CN116816526A - A detection method, device, electronic equipment and medium for atmospheric pressure signals - Google Patents
A detection method, device, electronic equipment and medium for atmospheric pressure signals Download PDFInfo
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- CN116816526A CN116816526A CN202310952984.2A CN202310952984A CN116816526A CN 116816526 A CN116816526 A CN 116816526A CN 202310952984 A CN202310952984 A CN 202310952984A CN 116816526 A CN116816526 A CN 116816526A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
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Abstract
The invention discloses a method, a device, electronic equipment and a medium for detecting an atmospheric pressure signal, wherein the method comprises the following steps: determining the current communication state between two electronic control units in the double-engine electronic control system; determining a current signal determination mode adopted by the dual-engine electronic control system according to the current communication state; determining a current atmospheric pressure signal value of the dual-engine electronic control system according to the current signal determination mode; and determining the atmospheric pressure signal of the double-engine electric control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value. The method solves the problem of inaccurate determination of the atmospheric pressure signal by the single-engine electric control system and improves the accuracy of measurement of the atmospheric pressure signal by determining the communication state of the double-engine electric control system and selecting the current signal determination mode suitable for the current situation and introducing two current signal determination modes to determine the atmospheric pressure signal.
Description
Technical Field
The present invention relates to the field of automotive communications technologies, and in particular, to a method and an apparatus for detecting an atmospheric pressure signal, an electronic device, and a medium.
Background
An electronic control unit (Electronic Control Unit, ECU) in the engine electronic control system needs to collect an atmospheric pressure signal through an atmospheric pressure sensor at any time, the atmospheric pressure signal is used for generating an instruction for controlling the automobile and diagnosing data supports of a plurality of parts and systems in the engine electronic control system, besides, when the altitude is more than 2440 meters, an automobile fault diagnosis system of the automobile can be interrupted, and then the atmospheric pressure signal is needed to be collected through the atmospheric pressure sensor, so that a driving decision of the automobile can be made.
In the prior art, a single electronic control unit in a single-engine electric control system is generally adopted to acquire an atmospheric pressure signal, the scheme has limitation in practical application, when the single-engine electric control system confirms the atmospheric pressure signal, the problem that the atmospheric pressure signal cannot be accurately and reliably confirmed often exists, and the problem that faults existing in the engine electric control system cannot be timely diagnosed easily occurs, so that the control failure of the engine electric control system is caused easily.
Disclosure of Invention
The invention provides a detection method, a detection device, electronic equipment and a medium for an atmospheric pressure signal, which are used for solving the problems that a single-engine electronic control system cannot accurately and reliably confirm the atmospheric pressure signal and the failure existing in the engine electronic control system cannot be diagnosed in time, so that the control failure of the engine electronic control system is caused.
According to an aspect of the present invention, there is provided a method of detecting an atmospheric pressure signal, the method comprising:
determining the current communication state between two electronic control units in a double-engine electronic control system, wherein the communication state is a communication fault state or a communication normal state;
determining a current signal determination mode adopted by the dual-engine electric control system according to the current communication state, wherein the signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit or a mode of detecting the atmospheric pressure signal by two electronic control units together;
determining a current atmospheric pressure signal value of the dual-engine electronic control system according to the current signal determination mode;
and determining the atmospheric pressure signal of the double-engine electric control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value.
According to another aspect of the present invention, there is provided an apparatus for detecting an atmospheric pressure signal, the apparatus comprising:
the communication state determining module is used for determining the current communication state between two electronic control units in the double-engine electronic control system, wherein the communication state is a communication fault state or a communication normal state;
The signal mode selection module is used for determining a current signal determination mode adopted by the dual-engine electric control system according to the current communication state, wherein the signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit or a mode of detecting the atmospheric pressure signal by two electronic control units together;
the pressure signal value determining module is used for determining the current atmospheric pressure signal value of the dual-engine electric control system according to the current signal determining mode;
and the pressure signal determining module is used for determining the atmospheric pressure signal of the double-engine electric control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the method of detecting an atmospheric pressure signal according to any one of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute the method for detecting an atmospheric pressure signal according to any one of the embodiments of the present invention.
According to the technical scheme, the current communication state between the two electronic control units in the double-engine electric control system is determined, the current signal determination mode adopted by the double-engine electric control system is determined according to the current communication state, multiple signal value determination modes are provided for detecting the atmospheric pressure signal value, the atmospheric pressure signal value can be measured more stably, the current atmospheric pressure signal value of the double-engine electric control system is determined according to the current signal determination mode, the atmospheric pressure signal of the double-engine electric control system is determined according to the current atmospheric pressure signal value and the preset atmospheric pressure signal value, the method selects the current signal determination mode suitable for the current situation by determining the communication state of the double-engine electric control system, the atmospheric pressure signal is determined by introducing the two current signal determination modes, the accuracy and the stability of the atmospheric pressure signal are improved, faults existing in the engine electric control system can be diagnosed in time, and the risk of control failure of the engine electric control system is further reduced.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for detecting an atmospheric pressure signal according to a first embodiment of the present invention;
fig. 2 is a system configuration diagram of a method for detecting an atmospheric pressure signal according to a first embodiment of the present invention;
fig. 3 is a flowchart of a method for detecting an atmospheric pressure signal according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a detecting device for an atmospheric pressure signal according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device implementing a method for detecting an atmospheric pressure signal according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a method for detecting an atmospheric pressure signal according to an embodiment of the present invention, where the method may be performed by an atmospheric pressure signal detecting device, and the atmospheric pressure signal detecting device may be implemented in hardware and/or software, and the atmospheric pressure signal detecting device may be configured in any electronic device having a network communication function. As shown in fig. 1, the method may include:
s110, determining the current communication state between two electronic control units in the double-engine electronic control system, wherein the communication state is a communication fault state or a communication normal state.
Specifically, the two electronic control units included in the dual-engine electronic control system are in network communication through the bus, and due to the external or internal reasons, the communication state between the two electronic control units may be abnormal, so that the communication state of the two electronic control units in the dual-engine electronic control system includes a communication fault state and a communication normal state.
The working principle between the hardware of the dual-engine electric control system is that the dual-engine electric control system comprises a main engine and a secondary engine, wherein the main engine and the secondary engine both comprise an atmospheric pressure sensor, the main engine and the secondary engine are connected through a single connecting wire, the single connecting wire CAN be a private CAN bus, a main electronic control unit of the main engine CAN acquire an atmospheric pressure signal by calling the atmospheric pressure sensor, the main electronic control unit CAN transmit the atmospheric pressure signal to the secondary engine through the single connecting wire, and a secondary electronic control unit of the secondary engine CAN acquire the atmospheric pressure signal by calling the atmospheric pressure sensor, and the secondary electronic control unit CAN also transmit the atmospheric pressure signal to the main engine through the single connecting wire.
And S120, determining a current signal determination mode adopted by the dual-engine electric control system according to the current communication state, wherein the signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit or a mode of detecting the atmospheric pressure signal by two electronic control units together.
The current signal determination mode may be a signal determination mode for determining an atmospheric pressure signal value of an operating environment in which the engine is currently located.
Specifically, the communication state of the dual-engine electric control system is determined through S110, if the communication state inside the dual-engine electric control system is in a normal communication state, the current signal determining mode is a mode in which a single electronic control unit performs atmospheric pressure signal detection, and if the communication state inside the dual-engine electric control system is in a communication failure state, the current signal determining mode is a mode in which two electronic control units perform atmospheric pressure signal detection together.
S130, determining the current atmospheric pressure signal value of the dual-engine electric control system according to the current signal determination mode.
Specifically, if the current signal determining mode is a mode of detecting the atmospheric pressure signal by a single electronic control unit, the single electronic control unit calls an atmospheric pressure sensor to acquire the current atmospheric pressure signal value; if the current signal determining mode is a mode that the two electronic control units jointly detect the atmospheric pressure signal, the two electronic control units respectively acquire the current pressure signal value.
And S140, determining the atmospheric pressure signal of the double-engine electric control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value.
The preset atmospheric pressure signal value can be a preset value according to historical data or normalized data of the atmospheric pressure, and can standardize screening of the atmospheric pressure signal value so as to determine the final atmospheric pressure signal value of the double-engine electric control system.
Specifically, after the single electronic control unit calls the atmospheric pressure sensor to acquire the current atmospheric pressure signal value, determining an atmospheric pressure signal of the double-engine electronic control system according to the relation between the current atmospheric pressure signal value and the preset atmospheric pressure signal value; the two electronic control units perform atmospheric pressure signal detection according to the atmospheric pressure signal sensor to obtain two current atmospheric pressure signal values, and then determine the atmospheric pressure signal of the double-engine electric control system according to the relation between the absolute value of the difference between the two current atmospheric pressure signal values and the preset atmospheric pressure signal value.
The embodiment of the application provides a detection method of an atmospheric pressure signal, which is characterized in that a current communication state between two electronic control units in a double-engine electric control system is determined, a current signal determination mode adopted by the double-engine electric control system is determined according to the current communication state, a plurality of signal value determination modes are provided for detecting the atmospheric pressure signal value, the atmospheric pressure signal value can be measured more stably, the current atmospheric pressure signal value of the double-engine electric control system is determined according to the current signal determination mode, the atmospheric pressure signal of the double-engine electric control system is determined according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value, and the atmospheric pressure signal of the double-engine electric control system is determined according to the current atmospheric pressure signal value.
Example two
Fig. 3 is a flowchart of a method for detecting an atmospheric pressure signal according to a second embodiment of the present invention, where the detecting process of the atmospheric pressure signal and the fault self-checking function of the dual-engine electronic control system are described in detail on the basis of the foregoing embodiments. As shown in fig. 3, the method includes:
s210, determining the current communication state between two electronic control units in the double-engine electronic control system, wherein the communication state is a communication fault state or a communication normal state.
S220, determining a current signal determination mode adopted by the dual-engine electric control system according to the current communication state, wherein the signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit or a mode of detecting the atmospheric pressure signal by two electronic control units together.
As an optional but non-limiting implementation manner, determining the current signal determination mode adopted by the dual-engine electronic control system according to the current communication state includes S221-S222:
s221, if the communication state is a communication fault state, determining that the current signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit.
Specifically, when the main engine electronic control unit of the dual-engine electronic control system detects that the communication state with the auxiliary engine electronic control unit is in the communication fault state, the dual-engine electronic control system determines that the mode of the external atmospheric pressure signal value borne by the engine surface is the mode of the single electronic control unit for atmospheric pressure signal detection, and the process goes to S230.
And S222, if the communication state is a normal communication state, determining that the current signal determination mode is a mode in which the two electronic control units jointly detect the atmospheric pressure signal.
Specifically, when the main engine electronic control unit of the dual-engine electronic control system detects that the communication state between the main engine electronic control unit and the auxiliary engine electronic control unit is in the normal communication state, the dual-engine electronic control system senses the influence of the external atmospheric pressure on the surface of the engine, and the mode of determining the atmospheric pressure signal value of the dual-engine electronic control system is the mode that the two electronic control units jointly detect the atmospheric pressure signal, and the process goes to S240.
S230, when the current signal determining mode is a mode of detecting the atmospheric pressure signal by the single electronic control unit, the single electronic control unit calls the atmospheric pressure sensor to acquire the current atmospheric pressure signal value.
Specifically, if the current signal determining mode is a mode that the single electronic control unit detects an atmospheric pressure signal, the single electronic control unit of the main engine obtains an atmospheric pressure value borne by the surface of the engine by calling the atmospheric pressure sensor, converts the atmospheric pressure value into the current atmospheric pressure signal value, and returns the current atmospheric pressure signal value to the dual-engine electronic control system, and then the process goes to S250.
S240, when the current signal determining mode is a mode that the two electronic control units jointly detect the atmospheric pressure signals, the two electronic control units call the corresponding atmospheric pressure sensors respectively to acquire two current atmospheric pressure signal values.
Specifically, if the current signal determining mode is a mode that the two electronic control units jointly detect the atmospheric pressure signal, the single electronic control unit of the main engine obtains the atmospheric pressure value borne by the surface of the main engine by calling the atmospheric pressure sensor, converts the atmospheric pressure value into the current atmospheric pressure signal value and returns the current atmospheric pressure signal value to the dual-engine electric control system, and the single electronic control unit of the auxiliary engine obtains the atmospheric pressure value borne by the surface of the auxiliary engine by calling the atmospheric pressure sensor and returns the two current atmospheric pressure signal values to the dual-engine electric control system, and the process goes to S260.
S250, detecting whether the current atmospheric pressure signal value acquired by the single electronic control unit is within a preset atmospheric pressure signal value range.
The preset atmospheric pressure signal value range may be a numerical range for determining an atmospheric pressure signal value determined according to a history or an atmospheric pressure signal value in a general operating state.
As an alternative but non-limiting implementation, detecting whether the current barometric pressure signal value obtained by the single electronic control unit is within a preset barometric pressure signal value range, includes S251-S252:
s251, if the current atmospheric pressure signal value is within the preset atmospheric pressure signal value range, determining the current atmospheric pressure signal value acquired by the single electronic control unit as an atmospheric pressure signal.
Specifically, if the current atmospheric pressure signal value obtained by the single electronic control unit is within the preset atmospheric pressure signal value range, the current atmospheric pressure signal value is considered to be within a reasonable range, the current atmospheric pressure signal value is determined to be an atmospheric pressure signal, and the detection process of the atmospheric pressure signal is finished.
The range of the preset atmospheric pressure signal value is between 300hPa and 1200hPa, whether the current atmospheric pressure signal value acquired by the single electronic control unit is within the range of the preset atmospheric pressure signal value is judged, if so, the atmospheric pressure sensor of the main engine is considered to be abnormal, and the current atmospheric pressure signal value is determined to be an atmospheric pressure signal.
And S252, if the current atmospheric pressure signal value is not in the range of the preset atmospheric pressure signal value, reporting that a mode of the single electronic control unit for detecting the atmospheric pressure signal fails, and determining the preset default atmospheric pressure signal value as an atmospheric pressure signal.
The default barometric pressure signal value may be an barometric pressure signal value calculated according to an external pressure to which the engine is subjected in a conventional application scenario.
Specifically, if the current atmospheric pressure signal value obtained by the single electronic control unit is not in the preset atmospheric pressure signal value range, the current atmospheric pressure signal value is considered to be not in a reasonable range, the preset default atmospheric pressure signal value is assigned to the atmospheric pressure signal, and the information that the mode of the single electronic control unit for detecting the atmospheric pressure signal fails is uploaded to the double-engine electronic control system, so that the detection process of the atmospheric pressure signal is finished.
The method includes the steps that if the current atmospheric pressure signal value obtained by the single electronic control unit is judged to be not in the preset atmospheric pressure signal value range, the atmospheric pressure sensor of the main engine is considered to sense that the external pressure is faulty or the functions of the single electronic control unit are faulty, the preset default atmospheric pressure signal value is assigned to an atmospheric pressure signal, and information that the mode of the single electronic control unit for detecting the atmospheric pressure signal is faulty is uploaded to the double-engine electronic control system.
S260, detecting whether two current atmospheric pressure signal values acquired by the two electronic control units are in a preset atmospheric pressure signal value range.
As an alternative but non-limiting implementation, detecting whether the two current barometric pressure signal values obtained by the two electronic control units are both within the preset barometric pressure signal value range includes S261-S262:
and S261, if the two current atmospheric pressure signal values are in the preset atmospheric pressure signal value range, determining an atmospheric pressure signal according to an absolute value calculation formula and an atmospheric pressure signal threshold condition.
Specifically, if the two current atmospheric pressure signal values are within the preset atmospheric pressure signal value range, further calculating a difference value between the two current atmospheric pressure signal values, calculating an absolute value of the difference value according to an absolute value calculation formula, and determining an atmospheric pressure signal according to the absolute value of the difference value and an atmospheric pressure signal threshold condition.
Alternatively, the absolute value of the difference between the two current atmospheric pressure signal values is calculated according to an absolute value calculation formula.
Specifically, a difference value between two current atmospheric pressure signal values is calculated, and the absolute value of the difference value is obtained according to an absolute value calculation formula.
Optionally, if the absolute value is smaller than the first threshold value of the atmospheric pressure signal threshold condition, determining that the current atmospheric pressure signal value obtained by the main engine electronic control system units of the two electronic control units is an atmospheric pressure signal, wherein the atmospheric pressure signal threshold condition is threshold condition information including a preset number of thresholds, and determining the threshold condition information of the atmospheric pressure signal under the condition that the two electronic control units jointly detect the atmospheric pressure signal.
Specifically, when the absolute value is smaller than the first threshold value of the atmospheric pressure signal threshold condition, the current atmospheric pressure signal values acquired by the main engine electric control system units of the two electronic control units are assigned to the atmospheric pressure signals, and the detection process of the atmospheric pressure signals is finished.
Optionally, if the absolute value is greater than or equal to the first threshold value of the atmospheric pressure signal threshold condition and less than the second threshold value of the atmospheric pressure signal threshold condition, calculating an average value of the current atmospheric pressure signal value obtained by the main engine electric control system unit and the current atmospheric pressure signal value obtained by the auxiliary engine electric control system unit in the two electronic control units according to an average value calculation formula, and determining that the average value is an atmospheric pressure signal.
Specifically, when the absolute value is greater than or equal to a first threshold value of an atmospheric pressure signal threshold condition and less than a second threshold value of the atmospheric pressure signal threshold condition, summing and averaging two current atmospheric pressure signal values, obtaining an average value of the two current atmospheric pressure signal values, assigning the average value to an atmospheric pressure signal, and ending the detection process of the atmospheric pressure signal, wherein the two current atmospheric pressure signal values are respectively obtained by a main engine electronic control system unit and a sub-engine electronic control system unit.
Optionally, if the absolute value is greater than or equal to the second threshold value of the atmospheric pressure signal threshold condition and less than the third threshold value of the atmospheric pressure signal threshold condition, selecting a current atmospheric pressure signal value, which is closer to a preset default atmospheric pressure signal value, of the two current atmospheric pressure signal values acquired by the two electronic control units as the atmospheric pressure signal.
Specifically, when the absolute value is greater than or equal to the second threshold value of the atmospheric pressure signal threshold value condition and is smaller than the third threshold value of the atmospheric pressure signal threshold value condition, comparing the difference between the current atmospheric pressure signal value provided by the main engine electric control system unit and the default atmospheric pressure signal value, comparing the difference between the current atmospheric pressure signal value provided by the auxiliary engine electric control system unit and the default atmospheric pressure signal value, acquiring an atmospheric pressure signal value with smaller difference between the atmospheric pressure signal value and the default atmospheric pressure signal value, assigning the atmospheric pressure signal value to the atmospheric pressure signal, and ending the detection process of the atmospheric pressure signal.
Optionally, if the absolute value is greater than or equal to the third threshold of the atmospheric pressure signal threshold condition, reporting that a mode in which the two electronic control units jointly detect the atmospheric pressure signal is faulty, and determining a preset default atmospheric pressure signal value as the atmospheric pressure signal.
Specifically, when the absolute value is greater than or equal to the third threshold value of the atmospheric pressure signal threshold condition, the atmospheric pressure sensors corresponding to the two electronic control units are indicated to be faulty, the information that the mode that the two electronic control units jointly detect the atmospheric pressure signal is faulty is generated and reported, the default atmospheric pressure signal value is assigned to the atmospheric pressure signal, and the detection process of the atmospheric pressure signal is finished.
S262, if the two current atmospheric pressure signal values are within the preset atmospheric pressure signal value range and only if one current atmospheric pressure signal value is within the preset atmospheric pressure signal value range, determining the current atmospheric pressure signal value which is acquired by the two electronic control units as an atmospheric pressure signal.
Specifically, if and only if one current atmospheric pressure signal value exists between the current atmospheric pressure signal value acquired by the main engine electric control system unit and the current atmospheric pressure signal value acquired by the auxiliary engine electric control system unit within the preset atmospheric pressure signal value range, the current atmospheric pressure signal value within the preset atmospheric pressure signal value range is assigned to the atmospheric pressure signal, and the detection process of the atmospheric pressure signal is finished.
S270, judging which mode of the current signal determination modes of the two-engine electric control system has faults by identifying the information received by the two-engine electric control system.
As an alternative implementation, but not limited to, by identifying information received by the dual engine electric control system, determining which of the current signal determination modes of the dual engine electric control system is faulty includes S271-S272:
s271, if the information received by the dual-engine electronic control system is that the mode in which the single electronic control unit performs the atmospheric pressure signal detection fails, stopping the related operation in the mode in which the single electronic control unit performs the atmospheric pressure signal detection.
Specifically, the dual-engine electronic control system receives the information that the mode of the single electronic control unit for atmospheric pressure signal detection transmitted by the main engine electronic control system unit fails, and transmits back to the main engine electronic control system unit an instruction for stopping the mode of the single electronic control unit for atmospheric pressure signal detection, and the main engine electronic control system stops the related operation under the mode of the single electronic control unit for atmospheric pressure signal detection.
And S272, if the information received by the double-engine electronic control system is that the mode that the two electronic control units jointly detect the atmospheric pressure signals fails, stopping the related operation under the mode that the two electronic control units jointly detect the atmospheric pressure signals.
Specifically, the dual-engine electronic control system receives the information that the mode that the two electronic control units jointly detect the atmospheric pressure signals fails, and returns the instruction for stopping the mode that the two electronic control units jointly detect the atmospheric pressure signals to the main engine electronic control system unit and the auxiliary engine electronic control system unit, and the main engine electronic control system and the auxiliary engine electronic control system simultaneously stop the related operation under the mode that the two electronic control units jointly detect the atmospheric pressure signals.
The embodiment of the application provides a detection method of an atmospheric pressure signal, which is characterized in that a current communication state between two electronic control units in a double-engine electric control system is determined, a current signal determination mode adopted by the double-engine electric control system is determined according to the current communication state, a plurality of signal value determination modes are provided for detecting the atmospheric pressure signal value, the atmospheric pressure signal value can be measured more stably, the current atmospheric pressure signal value of the double-engine electric control system is determined according to the current signal determination mode, the atmospheric pressure signal of the double-engine electric control system is determined according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value, whether the current signal determination mode has a fault or not is judged, if the current signal determination mode has the fault, fault information is reported to the double-engine electric control system, and a command for stopping a response mode is started by the double-engine electric control system. According to the method, two current signal determination modes are introduced to determine the atmospheric pressure signal, so that the accuracy and stability of determining the atmospheric pressure signal are improved, faults existing in an engine electric control system can be diagnosed in time, and the risk of control failure of the engine electric control system is further reduced.
Example III
Fig. 4 is a schematic structural diagram of an apparatus for detecting an atmospheric pressure signal according to a third embodiment of the present application, where the apparatus may perform the method for detecting an atmospheric pressure signal according to any embodiment of the present application, and has functional modules and beneficial effects corresponding to the performing method. As shown in fig. 4, the apparatus may include:
a communication state determining module 310, configured to determine a current communication state between two electronic control units in the dual-engine electronic control system, where the communication state is a communication failure state or a communication normal state;
the signal mode selection module 320 is configured to determine, according to the current communication state, a current signal determination mode adopted by the dual-engine electronic control system, where the signal determination mode is a mode in which a single electronic control unit performs atmospheric pressure signal detection or a mode in which two electronic control units perform atmospheric pressure signal detection together;
a pressure signal value determining module 330, configured to determine a current atmospheric pressure signal value of the dual-engine electronic control system according to the current signal determining mode;
the pressure signal determining module 340 is configured to determine an atmospheric pressure signal of the dual-engine electronic control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value.
Further, the signal mode selection module includes:
a first mode determining unit, configured to determine that the current signal determining mode is a mode in which the single electronic control unit detects an atmospheric pressure signal if the communication state is a communication failure state;
and the second mode determining unit is used for determining that the current signal determining mode is a mode in which the two electronic control units jointly detect the atmospheric pressure signal if the communication state is a normal communication state.
Further, the pressure signal value determining module includes:
the single control unit application unit is used for calling the atmospheric pressure sensor through the single electronic control unit to acquire the current atmospheric pressure signal value when the current signal determination mode is a mode of atmospheric pressure signal detection by the single electronic control unit;
and the double-control unit application unit is used for respectively calling the corresponding atmospheric pressure sensors to acquire two current atmospheric pressure signal values through the two electronic control units when the current signal determination mode is a mode that the two electronic control units jointly detect the atmospheric pressure signals.
Further, the pressure signal determination module includes:
a signal value range judging unit for detecting whether the current atmospheric pressure signal value obtained by the single electronic control unit is within a preset atmospheric pressure signal value range;
The first pressure signal determining unit is used for determining the current atmospheric pressure signal value acquired by the single electronic control unit as an atmospheric pressure signal if the current atmospheric pressure signal value is within a preset atmospheric pressure signal value range;
and the second pressure signal determining unit is used for reporting that the mode of the single electronic control unit for detecting the atmospheric pressure signal fails and determining the preset default atmospheric pressure signal value as an atmospheric pressure signal if the current atmospheric pressure signal value is not in the preset atmospheric pressure signal value range.
Further, the pressure signal determining module further includes:
the two signal value range judging units are used for detecting whether the two current atmospheric pressure signal values acquired by the two electronic control units are in a preset atmospheric pressure signal value range or not;
a third pressure signal determining unit, configured to determine an atmospheric pressure signal according to an absolute value calculation formula and an atmospheric pressure signal threshold condition if the two current atmospheric pressure signal values are both within a preset atmospheric pressure signal value range;
and the fourth pressure signal determining unit is used for determining the current atmospheric pressure signal value which is acquired by the two electronic control units and is in the preset atmospheric pressure signal value range as an atmospheric pressure signal if and only if one current atmospheric pressure signal value is in the preset atmospheric pressure signal value range.
Further, the third pressure signal determining unit is specifically configured to:
calculating the absolute value of the phase difference of the two current atmospheric pressure signal values according to an absolute value calculation formula;
if the absolute value is smaller than a first threshold value of the atmospheric pressure signal threshold value condition, determining that the current atmospheric pressure signal value acquired by the main engine electric control system units of the two electronic control units is an atmospheric pressure signal, wherein the atmospheric pressure signal threshold value condition is threshold value condition information comprising a preset number of threshold values, and determining threshold value condition information of the atmospheric pressure signal under the condition that the two electronic control units jointly detect the atmospheric pressure signal;
if the absolute value is larger than or equal to the first threshold value of the atmospheric pressure signal threshold value condition and smaller than the second threshold value of the atmospheric pressure signal threshold value condition, calculating an average value of the current atmospheric pressure signal value acquired by the main engine electric control system unit and the current atmospheric pressure signal value acquired by the auxiliary engine electric control system unit in the two electronic control units according to an average value calculation formula, and determining the average value as an atmospheric pressure signal;
if the absolute value is larger than or equal to the second threshold value of the atmospheric pressure signal threshold value condition and smaller than the third threshold value of the atmospheric pressure signal threshold value condition, selecting the current atmospheric pressure signal value which is closer to a preset default atmospheric pressure signal value from the two current atmospheric pressure signal values acquired by the two electronic control units as an atmospheric pressure signal;
If the absolute value is larger than or equal to a third threshold value of the atmospheric pressure signal threshold value condition, reporting that a mode of the two electronic control units for detecting the atmospheric pressure signal together fails, and determining a preset default atmospheric pressure signal value as an atmospheric pressure signal.
Further, the device further comprises:
the first fault determining module is used for stopping related operation of the single electronic control unit in the mode of atmospheric pressure signal detection if the information received by the double-engine electronic control system is that the mode of atmospheric pressure signal detection of the single electronic control unit is faulty;
and the second fault determining module is used for stopping the related operation under the mode that the two electronic control units jointly detect the atmospheric pressure signals if the information received by the double-engine electronic control system is that the mode that the two electronic control units jointly detect the atmospheric pressure signals fails.
The device for detecting the atmospheric pressure signal provided in the embodiment of the present invention can execute the method for detecting the atmospheric pressure signal provided in any embodiment of the present invention, and has the corresponding functions and beneficial effects of executing the method for detecting the atmospheric pressure signal, and the detailed process refers to the related operations of the method for detecting the atmospheric pressure signal in the foregoing embodiment.
Example IV
Fig. 5 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 5, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as the method of detecting the atmospheric pressure signal.
In some embodiments, the method of detecting an atmospheric pressure signal may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the above-described method of detecting an atmospheric pressure signal may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the method of detection of the barometric pressure signal in any other suitable way (e.g. by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method of detecting an atmospheric pressure signal, the method comprising:
determining the current communication state between two electronic control units in a double-engine electronic control system, wherein the communication state is a communication fault state or a communication normal state;
determining a current signal determination mode adopted by the dual-engine electric control system according to the current communication state, wherein the signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit or a mode of detecting the atmospheric pressure signal by two electronic control units together;
Determining a current atmospheric pressure signal value of the dual-engine electronic control system according to the current signal determination mode;
and determining the atmospheric pressure signal of the double-engine electric control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value.
2. The method of claim 1, wherein determining a current signal determination mode employed by the dual engine electronic control system based on the current communication state comprises:
if the communication state is a communication fault state, determining that the current signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit;
and if the communication state is a normal communication state, determining that the current signal determination mode is a mode in which the two electronic control units jointly detect the atmospheric pressure signal.
3. The method of claim 1, wherein determining a current barometric pressure signal value for the dual engine electronic control system in accordance with the current signal determination mode comprises:
when the current signal determining mode is a mode of detecting the atmospheric pressure signal by a single electronic control unit, calling an atmospheric pressure sensor by the single electronic control unit to acquire a current atmospheric pressure signal value;
When the current signal determining mode is a mode that the two electronic control units jointly detect the atmospheric pressure signals, the two electronic control units call the corresponding atmospheric pressure sensors respectively to acquire two current atmospheric pressure signal values.
4. The method of claim 1, wherein determining the barometric pressure signal for the dual engine electronic control system based on the current barometric pressure signal value and a preset barometric pressure signal value comprises:
detecting whether the current atmospheric pressure signal value obtained by a single electronic control unit is within a preset atmospheric pressure signal value range;
if the current atmospheric pressure signal value is within the preset atmospheric pressure signal value range, determining the current atmospheric pressure signal value acquired by the single electronic control unit as an atmospheric pressure signal;
if the current atmospheric pressure signal value is not in the preset atmospheric pressure signal value range, reporting that the mode of the single electronic control unit for detecting the atmospheric pressure signal is failed, and determining the preset default atmospheric pressure signal value as an atmospheric pressure signal.
5. The method of claim 1, wherein determining the barometric pressure signal for the dual engine electronic control system based on the current barometric pressure signal value and a preset barometric pressure signal value comprises:
Detecting whether two current atmospheric pressure signal values obtained by two electronic control units are in a preset atmospheric pressure signal value range or not;
if the two current atmospheric pressure signal values are in the preset atmospheric pressure signal value range, determining an atmospheric pressure signal according to an absolute value calculation formula and an atmospheric pressure signal threshold condition;
and if and only if one current atmospheric pressure signal value within the preset atmospheric pressure signal value range exists, determining the current atmospheric pressure signal value which is acquired by the two electronic control units and is within the preset atmospheric pressure signal value range as an atmospheric pressure signal.
6. The method of claim 5, wherein determining the barometric pressure signal based on the absolute value calculation formula and the barometric pressure signal threshold condition comprises:
calculating the absolute value of the phase difference of the two current atmospheric pressure signal values according to an absolute value calculation formula;
if the absolute value is smaller than a first threshold value of the atmospheric pressure signal threshold value condition, determining that the current atmospheric pressure signal value acquired by the main engine electric control system units of the two electronic control units is an atmospheric pressure signal, wherein the atmospheric pressure signal threshold value condition is threshold value condition information comprising a preset number of threshold values, and determining threshold value condition information of the atmospheric pressure signal under the condition that the two electronic control units jointly detect the atmospheric pressure signal;
If the absolute value is larger than or equal to the first threshold value of the atmospheric pressure signal threshold value condition and smaller than the second threshold value of the atmospheric pressure signal threshold value condition, calculating an average value of the current atmospheric pressure signal value acquired by the main engine electric control system unit and the current atmospheric pressure signal value acquired by the auxiliary engine electric control system unit in the two electronic control units according to an average value calculation formula, and determining the average value as an atmospheric pressure signal;
if the absolute value is larger than or equal to the second threshold value of the atmospheric pressure signal threshold value condition and smaller than the third threshold value of the atmospheric pressure signal threshold value condition, selecting the current atmospheric pressure signal value which is closer to a preset default atmospheric pressure signal value from the two current atmospheric pressure signal values acquired by the two electronic control units as an atmospheric pressure signal;
if the absolute value is larger than or equal to a third threshold value of the atmospheric pressure signal threshold value condition, reporting that a mode of the two electronic control units for detecting the atmospheric pressure signal together fails, and determining a preset default atmospheric pressure signal value as an atmospheric pressure signal.
7. The method of claim 1, further comprising, after determining the barometric pressure signal for the dual engine electronic control system based on the current barometric pressure signal value and a preset barometric pressure signal value:
If the information received by the double-engine electronic control system is that the mode of the single electronic control unit for detecting the atmospheric pressure signal fails, stopping the single electronic control unit from performing related operation in the mode of detecting the atmospheric pressure signal;
if the information received by the double-engine electronic control system is that the mode that the two electronic control units jointly detect the atmospheric pressure signals fails, stopping the related operation under the mode that the two electronic control units jointly detect the atmospheric pressure signals.
8. An apparatus for detecting an atmospheric pressure signal, comprising:
the communication state determining module is used for determining the current communication state between two electronic control units in the double-engine electronic control system, wherein the communication state is a communication fault state or a communication normal state;
the signal mode selection module is used for determining a current signal determination mode adopted by the dual-engine electric control system according to the current communication state, wherein the signal determination mode is a mode of detecting an atmospheric pressure signal by a single electronic control unit or a mode of detecting the atmospheric pressure signal by two electronic control units together;
the pressure signal value determining module is used for determining the current atmospheric pressure signal value of the dual-engine electric control system according to the current signal determining mode;
And the pressure signal determining module is used for determining the atmospheric pressure signal of the double-engine electric control system according to the current atmospheric pressure signal value and a preset atmospheric pressure signal value.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the method of detecting an atmospheric pressure signal according to any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the method of detecting an atmospheric pressure signal according to any one of claims 1-7.
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