CN108167066A - A kind of turbocharging control method and control system and engine - Google Patents
A kind of turbocharging control method and control system and engine Download PDFInfo
- Publication number
- CN108167066A CN108167066A CN201710009755.1A CN201710009755A CN108167066A CN 108167066 A CN108167066 A CN 108167066A CN 201710009755 A CN201710009755 A CN 201710009755A CN 108167066 A CN108167066 A CN 108167066A
- Authority
- CN
- China
- Prior art keywords
- turbocharger
- control
- engine
- electronic actuators
- position signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008859 change Effects 0.000 claims abstract description 32
- 230000001052 transient effect Effects 0.000 claims abstract description 23
- 238000004364 calculation method Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000005457 optimization Methods 0.000 claims description 19
- 239000000446 fuel Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004643 material aging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
- F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
- F01D17/24—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical electrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
- F02B37/186—Arrangements of actuators or linkage for bypass valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a kind of turbocharging control method and control system and engine, which includes step：Engine speed and accelerator pedal position signal are read, passes through accelerator pedal position signal calculation of throttle pedal position signal change rate；If accelerator pedal position signal change rate is more than signal threshold value or engine speed change rate is more than rotary speed threshold value, turbocharger enters transient condition, otherwise into steady state condition；If turbocharger is in steady state condition, engine management unit reads desired signal, calculates boost pressure；It is determining boost pressure ratio, is changing turbocharger operation point by electronic actuators；If turbocharger is in transient condition, engine management unit reads desired signal, calculates boost pressure；It is determining boost pressure ratio, is carrying out closed-loop control by electronic actuators, enhance turbocharging efficiency.The present invention can improve control accuracy and response efficiency.
Description
Technical field
The present invention relates to a kind of turbine technology field, more particularly to a kind of turbocharging control method and control system,
And engine.
Background technology
In the prior art, turbocharging control system mainly includes mainstream by-passing valve turbo-charger control system and variable
Geometry turbocharger control system, the two main distinction are that bypass exhaust valve has been changed to the nozzle ring of variable-nozzle.
But it is both the gas pressure that valve and engine management unit adjusting pneumatic actuator are limited by boost pressure,
So that pneumatic actuator driving exhaust gas by-pass valve or variable nozzle ring change position, control into turbine exhaust gas flow and
Angle, it is final to control boost pressure as target boost pressure；
The process tedious of entire driving turbocharger so that control system response speed is slow, it is impossible to effectively control turbine
The hesitation of booster.Moreover, the control accuracy of pneumatic actuator is poor.
It should be noted that the introduction of technical background is intended merely to above it is convenient the technical solution of the application is carried out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Cannot merely because these schemes the application's
Background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Invention content
In view of the drawbacks described above of the prior art, the technical problems to be solved by the invention, which are to provide one kind, can improve control
Precision processed, the turbocharging control method and control system and engine of Lifting Control System response efficiency.
To achieve the above object, the present invention provides a kind of control method of turbocharging control system, including step：
Engine speed and accelerator pedal position signal are read, passes through accelerator pedal position signal calculation of throttle pedal position
Change rate signal；
If accelerator pedal position signal change rate is more than signal threshold value or engine speed change rate is more than rotating speed threshold
Value, turbocharger enters transient condition, otherwise into steady state condition；
If turbocharger is in steady state condition, engine management unit reads desired signal, calculates boost pressure；
In the case of determining boost pressure ratio, change turbocharger operation point by electronic actuators；
If turbocharger is in transient condition, engine management unit reads desired signal, calculates boost pressure；
In the case of determining boost pressure ratio, closed-loop control is carried out by electronic actuators, enhances turbocharging efficiency.
Further, the desired signal include at least gas pedal aperture, air themperature, charge flow rate, boost pressure,
Electronic throttle aperture；
The boost pressure is after distributive value is calculated according to chemically correct fuel, is calculated according to engine map
's.In the present solution, the desired signal is mainly what is collected by engine management unit, supercharging will be calculated based on this
Pressure, so as to which the subsequent control of system provides foundation in order to control；Engine map refers to exemplary turbocharger pressure in fact
Mechanism of qi MAP chart, the figure is by efficiency contour and rotating speeds line is waited to form, since turbocharger is necessarily to be in centainly at runtime
Range of flow and pressure ratio in the range of, the range by surge line, maximum (top) speed line and block line area defined form,
In the region, in the case of identical pressure ratio, there are efficiency maximum point (optimum point), after which will be used for
In continuous calculating, the data such as specific figure belong to the prior art, and it will not be described here.
Further, the accelerator pedal position signal change rate calculation formula is as follows：
Wherein AccPed_rate is gas pedal change rate, and Δ AccPed_position is gas pedal variable quantity with hundred
Divide than representing, Δ t is acquisition time.In the present solution, the calculation formula of accelerator pedal position signal change rate is given, the formula
The gas pedal change rate being calculated will be used to judge whether turbocharger enters transient state, be turbocharging control system
Important references parameter.
Further, when turbocharger is in steady state condition, pressure ratio is being determined；
Efficiency optimization point is found on turbocharger performance plot by the method for iterative search, by the stream of efficiency optimization point
Gauge calculates；
By the way that electronic actuators action is controlled to change the position of nozzle ring or exhaust gas by-pass valve, change turbocharger work
Make a little.In the present solution, by finding efficiency optimization point, and its flow is calculated, for subsequent nozzle ring or exhaust gas by-pass valve
Position control, so as to change turbocharger operation point, which is not used with boost pressure target in order to control
The position signal of electronic actuators, it is entire to control process compact, unnecessary action is avoided, improves present control system mistake
In tediously long the problem of.
Further, when turbocharger is in transient condition, pressure ratio is being determined；
Efficiency optimization point is found, while efficiency optimization point on turbocharger performance plot by iterative search method
Flow rate calculation comes out；
The target location of electronic actuators is calculated according to flowmeter, closed loop control is carried out by the position signal of electronic actuators
System, reaches turbocharging efficiency optimization point.In the present solution, by finding efficiency optimization point, and its flow is calculated, and pass through the stream
Gauge calculates the target location of electronic actuators, and closed-loop control, the control process are carried out by the position signal of electronic actuators
With nozzle ring or exhaust gas bypass valve position target in order to control, using the position signal of electronic actuators, turbocharging is improved
The transient response characteristic of device；Moreover, position feedback closed-loop control more accurately controls booster, and applicable and transient control, transient state control
Efficiency and precision processed are effectively promoted.
Further, the electronic actuators are to complete control according to the pwm signal that engine management unit generates；
The position signal of the electronic actuators is by controller local area network's (CAN bus), pwm signal and simulation letter
Any in number is sent to engine management unit.In the present solution, the electronic actuators and engine management unit it
Between communication and entire control system be mainly changed to electronic control, realize line traffic control, eliminate air pipe line and valve body,
Cause system more concision and compact, reduce cost.
The present invention also provides a kind of turbocharging control system using such as any disclosed control method of the present invention, packets
It includes：
Turbocharger, the turbine including compressor and with compressor cooperating；
The compressor is connected to engine aspirating system and engine management unit；The turbine, which is connected to, to be started
One end of machine exhaust system and electronic actuators；
The other end of the electronic actuators is coupled in engine management unit.In the present solution, the control system uses machine
Electric system directly controls, and reduces mechanism, the response efficiencies such as gas control and has also obtained corresponding promotion；Moreover, electric-mechanic control system system
System is not influenced, service life is promoted, and control accuracy is also greatly improved relative to pneumatic system by material agings such as rubber；In addition,
Partly device is not belonging to primary object of the invention to air feed equipment therein with gas equipment etc. is connect, and is only brief Jie herein
It continues, no longer repeats one by one.
Further, the control system further include for control the compressor air circulation air recycle valve,
And four-bar mechanism；
The electronic actuators include motor drive deceleration mechanism and deceleration mechanism driving output shaft；The turbine includes useless
Gas by-passing valve or nozzle ring；
The motor drive deceleration mechanism, deceleration mechanism driving output shaft, output shaft exhaust gas by-pass valve or nozzle ring are common
Form the four-bar mechanism.When throttle unclamps suddenly, electronic throttle is closed, and turbocharger can continue due to inertia at this time
Work, and air blocking can be formed between turbocharger and electronic throttle at this time, generator terminal of calming the anger flow drastically reduces, from
And cause turbo-charger surge, in the present solution, in order to avoid this phenomenon sounding, set before and after turbocharger air compressor empty
Gas circulating valve, when this happens, engine management unit open air recycle valve and front and rear formed of turbocharging are led to
Road effectively prevents surge；In addition, the four-bar linkage structure controls process without gas, adopts instead of original pneumatic actuator
It is directly driven with motor and speed reducer structure, improves control accuracy.
Further, the electronic actuators further include control circuit, and the control circuit is controlled for completing motor driving
It system and position signal acquisition and is communicated with engine management unit.Wherein, electronic actuators are according to engine management
The pwm signal or CAN signal of unit generation complete control；The position signal of electronic actuators is to pass through controller LAN
Any in network (CAN bus), pwm signal and analog signal is sent to engine management unit.
The invention also discloses a kind of engines, have used any disclosed control system of the invention.In the present solution, the hair
Motivation is applicable in the control with turbocharger engine, including marine engine, vehicular engine etc., can realize turbocharging
Device Accurate Position Control can make turbocharger operation in efficient region, so as to improve fuel economy；Since system responds
Speed is fast, can effectively improve the hesitation of turbocharger so as to improve dynamic property.
The beneficial effects of the invention are as follows：The present invention using electronic actuators substitute pneumatic actuator, pneumatic actuator due to
The position of oneself cannot be reacted so that the control accuracy of control system is not high, particularly in transient state, with prolonging for service life
Long, pneumatic actuator can also reduce control accuracy with aging and further, and electronic actuators can avoid these problems；And
And the pressure that electronic actuators are opened is without by setting initial tension of spring to realize, there is no need to by special calibration facility into
Rower is determined, and cost is reduced in production process and maintenance process, moreover, being realized by control algolithm, reduces turbocharger
Production stage can improve production efficiency；Exactly because the in addition, cooperation electricity based on electronic actuators and engine management unit
Son control work, realizes line traffic control, eliminates air pipe line and valve body so that while system concision and compact, avoid driving
Turbocharger process is excessively tediously long, control system response speed is slow, it is impossible to effectively control asking for turbocharger hesitation
Topic.
With reference to following explanation and attached drawing, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms of profit requirement, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in a other embodiment, with the feature in other embodiment it is combined or substitute other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
Included attached drawing is used for providing being further understood from the embodiment of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with word description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, other attached drawings are can also be obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is a kind of first pass figure of the control method of turbocharging control system of the present invention；
Fig. 2 is a kind of second flow chart of the control method of turbocharging control system of the present invention
Fig. 3 is a kind of schematic diagram of control system of the present invention；
Fig. 4 is a kind of schematic diagram of engine of the present invention.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical solution in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
All other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Fig. 1 is a kind of first pass figure of the control method of turbocharging control system of the present invention, and Fig. 2 is of the invention a kind of
The second flow chart of the control method of turbocharging control system, referring to Fig. 1 and embodiment shown in Fig. 2 it is found that the turbine increases
The control method of pressure control system, including step：
S1:Engine speed and accelerator pedal position signal are read, passes through accelerator pedal position signal calculation of throttle pedal
Position signal change rate；
S2:If accelerator pedal position signal change rate is more than signal threshold value or engine speed change rate is more than rotating speed
Threshold value, turbocharger enter transient condition, otherwise into steady state condition；
S3-1:If turbocharger is in steady state condition, engine management unit reads desired signal, calculates supercharging pressure
Power；It is determining boost pressure ratio, is changing turbocharger operation point by electronic actuators；
S3-2:If turbocharger is in transient condition, engine management unit reads desired signal, calculates supercharging pressure
Power；It is determining boost pressure ratio, is carrying out closed-loop control by electronic actuators, enhance turbocharging efficiency.
The beneficial effects of the invention are as follows：The present invention using electronic actuators substitute pneumatic actuator, pneumatic actuator due to
The position of oneself cannot be reacted so that the control accuracy of control system is not high, particularly in transient state, with prolonging for service life
Long, pneumatic actuator can also reduce control accuracy with aging and further, and electronic actuators can avoid these problems；And
And the pressure that electronic actuators are opened is without by setting initial tension of spring to realize, there is no need to by special calibration facility into
Rower is determined, and cost is reduced in production process and maintenance process, moreover, being realized by control algolithm, reduces turbocharger
Production stage can improve production efficiency；Exactly because the in addition, cooperation electricity based on electronic actuators and engine management unit
Son control work, realizes line traffic control, eliminates air pipe line and valve body so that while system concision and compact, avoid driving
Turbocharger process is excessively tediously long, control system response speed is slow, it is impossible to effectively control asking for turbocharger hesitation
Topic.
The present embodiment is preferred, and in step S3-1 and S3-2, which includes at least gas pedal aperture, Air Temperature
Degree, charge flow rate, boost pressure, electronic throttle aperture；
The boost pressure is after distributive value is calculated according to chemically correct fuel, is calculated according to engine map
's.
That is step S3-1-1 or step S3-2-1 includes process, and engine management unit reading is opened including at least gas pedal
Degree, air themperature, charge flow rate, boost pressure, the desired signal of electronic throttle aperture；Wherein, in step S3-2-1 also
The position signal of electronic actuators need to be read.
That is in step S3-1-2 or step S3-2-2, after calculating distributive value according to chemically correct fuel, according to distributive value and hair
Characteristics of motivation figure calculates boost pressure.In the present solution, the desired signal is mainly what is collected by engine management unit,
Boost pressure will be calculated based on this, so as to which the subsequent control of system provides foundation in order to control；Engine map refers in fact
Be exemplary turbocharger compressor MAP chart, the figure is by efficiency contour and rotating speeds line is waited to form, since turbocharger exists
It is necessarily to be in the range of certain range of flow and pressure ratio during operation, the range is by surge line, maximum (top) speed line and blocks up
It fills in line area defined to form, in the region, in the case of identical pressure ratio, there are efficiency maximum point (optimum point), the efficiency
Maximum point (optimum point) will be used in subsequent calculating, and the data such as specific figure belong to the prior art, and it will not be described here.
The present embodiment is preferred, and accelerator pedal position signal change rate calculation formula is as follows：
Wherein AccPed_rate is gas pedal change rate, and Δ AccPed_position is gas pedal variable quantity with hundred
Divide than representing, Δ t is acquisition time.In the present solution, the calculation formula of accelerator pedal position signal change rate is given, the formula
The gas pedal change rate being calculated will be used to judge whether turbocharger enters transient state, be turbocharging control system
Important references parameter.
The present embodiment is preferred, when turbocharger is in steady state condition, is determining pressure ratio；
That is step S3-1-3 includes process：Efficiency optimization is found on turbocharger performance plot by iterative search method
Point comes out the flow rate calculation of efficiency optimization point；
That is step S3-1-4 includes process：By the way that electronic actuators action is controlled to change nozzle ring or exhaust gas by-pass valve
Position changes turbocharger operation point.In the present solution, by finding efficiency optimization point, and its flow is calculated, for subsequent
The position of nozzle ring or exhaust gas by-pass valve controls, and so as to change turbocharger operation point, the control process is with boost pressure
Target in order to control does not use the position signal of electronic actuators, entire to control process compact, avoids unnecessary dynamic
Make, improve the problem of present control system is excessively tediously long.
The present embodiment is preferred, when turbocharger is in transient condition, is determining pressure ratio；
That is step S3-2-3 includes process：Efficiency optimization is found on turbocharger performance plot by iterative search method
Point, while the flow rate calculation of efficiency optimization point is come out；
That is step S3-2-4 includes process：The target location of electronic actuators is calculated according to flowmeter, is performed by electronics
The position signal of device carries out closed-loop control, reaches turbocharging efficiency optimization point.In the present solution, by finding efficiency optimization point,
And its flow is calculated, and pass through the target location that the flowmeter calculates electronic actuators, pass through the position signal of electronic actuators
Carry out closed-loop control, which utilizes electronic actuators with nozzle ring or exhaust gas bypass valve position target in order to control
Position signal improves the transient response characteristic of turbocharger；Moreover, position feedback closed-loop control more accurately controls supercharging
Device, is applicable in and transient control, transient control efficiency and precision are effectively promoted.
The present embodiment is preferred, and electronic actuators are to complete control according to the pwm signal that engine management unit generates；
The position signal of the electronic actuators is by controller local area network's (CAN bus), pwm signal and simulation letter
Any in number is sent to engine management unit.In the present solution, the electronic actuators and engine management unit it
Between communication and entire control system be mainly changed to electronic control, realize line traffic control, eliminate air pipe line and valve body,
Cause system more concision and compact, reduce cost.
Fig. 3 is the schematic diagram of turbocharging control system of the present invention, with reference to embodiment shown in Fig. 3 it is found that the present invention carries
For a kind of turbocharging control system using such as any disclosed control method of the present invention, including：
Turbocharger (does not indicate) in figure, the turbine 20 including compressor 10 and with 10 cooperating of compressor；
The compressor 10 is connected to engine aspirating system (not shown) and engine management unit 30；Institute
State one end that turbine 20 is connected to engine exhaust system (not shown) and electronic actuators 40；
The other end of the electronic actuators 40 is coupled in engine management unit 30.
The beneficial effects of the invention are as follows：The present invention using electronic actuators substitute pneumatic actuator, pneumatic actuator due to
The position of oneself cannot be reacted so that the control accuracy of control system is not high, particularly in transient state, with prolonging for service life
Long, pneumatic actuator can also reduce control accuracy with aging and further, and electronic actuators can avoid these problems；And
And the pressure that electronic actuators are opened is without by setting initial tension of spring to realize, there is no need to by special calibration facility into
Rower is determined, and cost is reduced in production process and maintenance process, moreover, being realized by control algolithm, reduces turbocharger
Production stage can improve production efficiency；Exactly because the in addition, cooperation electricity based on electronic actuators and engine management unit
Son control work, realizes line traffic control, eliminates air pipe line and valve body so that while system concision and compact, avoid driving
Turbocharger process is excessively tediously long, control system response speed is slow, it is impossible to effectively control asking for turbocharger hesitation
Topic.In the present solution, the control system is directly controlled using Mechatronic Systems, reduce the mechanism such as gas control, response efficiency also obtains
Corresponding promotion is arrived；Moreover, electric-mechanic control system system is not influenced, service life relative to pneumatic system by material agings such as rubber
It is promoted, control accuracy also greatly improves；In addition, air feed equipment therein is with gas equipment etc. is connect, partly device is not belonging to the present invention
Primary object, only do brief introduction herein, no longer repeat one by one.
The present embodiment is preferred, and the control system further includes that the air of the air circulation of the compressor is controlled to follow
Ring valve 50 and four-bar mechanism 60；
The electronic actuators 40 include motor drive deceleration mechanism (not indicated in figure) and deceleration mechanism driving output shaft
(not indicated in figure)；The turbine includes exhaust gas by-pass valve or nozzle ring (not indicated in figure)；
The motor drive deceleration mechanism, deceleration mechanism driving output shaft, output shaft exhaust gas by-pass valve or nozzle ring are common
Form the four-bar mechanism 60.When throttle unclamps suddenly, electronic throttle is closed, at this time turbocharger can due to inertia after
Continuous work, and air blocking can be formed between turbocharger and electronic throttle at this time, generator terminal of calming the anger flow drastically reduces,
So as to cause turbo-charger surge, in the present solution, in order to avoid this phenomenon sounding, set before and after turbocharger air compressor
Air recycle valve, when this happens, engine management unit open air recycle valve and cause turbocharging is front and rear to be formed
Access effectively prevents surge；In addition, the four-bar linkage structure controls process instead of original pneumatic actuator, without gas,
It is directly driven using motor and speed reducer structure, improves control accuracy.
The present embodiment is preferred, and electronic actuators further include control circuit, and the control circuit drives for completing motor
It control and position signal acquisition and is communicated with engine management unit.Wherein, electronic actuators are according to engine tube
The pwm signal or CAN signal for managing unit generation complete control；The position signal of electronic actuators is by controller local
Any in network (CAN bus), pwm signal and analog signal is sent to engine management unit.
Fig. 4 is a kind of schematic diagram of engine of the present invention, with reference to embodiment shown in Fig. 4 it is found that the invention also discloses
A kind of engine 100 has used any disclosed control system 200 of the invention.Increase in the present solution, the engine is applicable in turbine
The control of depressor engine including marine engine, vehicular engine etc., can realize turbocharger Accurate Position Control,
It can make turbocharger operation in efficient region, so as to improve fuel economy；It, can be effective since system response time is fast
Improvement turbocharger hesitation so as to improve dynamic property.
The beneficial effects of the invention are as follows：The present invention using electronic actuators substitute pneumatic actuator, pneumatic actuator due to
The position of oneself cannot be reacted so that the control accuracy of control system is not high, particularly in transient state, with prolonging for service life
Long, pneumatic actuator can also reduce control accuracy with aging and further, and electronic actuators can avoid these problems；And
And the pressure that electronic actuators are opened is without by setting initial tension of spring to realize, there is no need to by special calibration facility into
Rower is determined, and cost is reduced in production process and maintenance process, moreover, being realized by control algolithm, reduces turbocharger
Production stage can improve production efficiency；Exactly because the in addition, cooperation electricity based on electronic actuators and engine management unit
Son control work, realizes line traffic control, eliminates air pipe line and valve body so that while system concision and compact, avoid driving
Turbocharger process is excessively tediously long, control system response speed is slow, it is impossible to effectively control asking for turbocharger hesitation
Topic.
The preferred embodiment of the present invention described in detail above.It should be appreciated that those of ordinary skill in the art without
Creative work is needed according to the present invention can to conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of turbocharging control method, wherein, including step：
Engine speed and accelerator pedal position signal are read, passes through accelerator pedal position signal calculation of throttle pedal position signal
Change rate；
If accelerator pedal position signal change rate is more than signal threshold value or engine speed change rate is more than rotary speed threshold value, whirlpool
Wheel booster enters transient condition, otherwise into steady state condition；
If turbocharger is in steady state condition, engine management unit reads desired signal, calculates boost pressure；It is determining
In the case of boost pressure ratio, change turbocharger operation point by electronic actuators；
If turbocharger is in transient condition, engine management unit reads desired signal, calculates boost pressure；It is determining
In the case of boost pressure ratio, closed-loop control is carried out by electronic actuators, enhances turbocharging efficiency.
2. control method as described in claim 1, wherein：The desired signal includes at least gas pedal aperture, Air Temperature
Degree, charge flow rate, boost pressure, electronic throttle aperture；
The boost pressure is after distributive value is calculated according to chemically correct fuel, is calculated according to engine map.
3. control method as described in claim 1, wherein：The accelerator pedal position signal change rate calculation formula is as follows：
Wherein AccPed_rate is gas pedal change rate, and Δ AccPed_position is gas pedal variable quantity with percentage
It represents, Δ t is acquisition time.
4. control method as described in any one of claims 1-3, wherein：When turbocharger is in steady state condition, determining
In the case of pressure ratio；
Efficiency optimization point is found on turbocharger performance plot by the method for iterative search, by the flowmeter of efficiency optimization point
It calculates；
By the way that electronic actuators action is controlled to change the position of nozzle ring or exhaust gas by-pass valve, change turbocharger operation
Point.
5. control method as described in any one of claims 1-3, wherein：When turbocharger is in transient condition, determining
In the case of pressure ratio；
Efficiency optimization point is found, while the flow of efficiency optimization point on turbocharger performance plot by iterative search method
It calculates；
The target location of electronic actuators is calculated according to flowmeter, closed-loop control is carried out by the position signal of electronic actuators,
Reach turbocharging efficiency optimization point.
6. control method as claimed in claim 5, wherein：The electronic actuators are generated according to engine management unit
Pwm signal completes control；
The position signal of the electronic actuators is by controller local area network's (CAN bus), pwm signal and analog signal
Any engine management unit of being sent to.
7. a kind of turbocharging control system of control method using as described in claim 1-6 is any, wherein, including：
Turbocharger, the turbine including compressor and with compressor cooperating；
The compressor is connected to engine aspirating system and engine management unit；The turbine is connected to engine row
One end of gas system and electronic actuators；The other end of the electronic actuators is coupled in engine management unit.
8. control system as claimed in claim 7, wherein, the control system further includes the sky for controlling the compressor
The air recycle valve and four-bar mechanism of gas cycle；
The electronic actuators include motor drive deceleration mechanism and deceleration mechanism driving output shaft；The turbine is included by exhaust gas
Port valve or nozzle ring；
The motor drive deceleration mechanism, deceleration mechanism driving output shaft, output shaft exhaust gas by-pass valve or nozzle ring collectively constitute
The four-bar mechanism.
9. control system as claimed in claim 8, wherein, the electronic actuators further include control circuit, the control electricity
Road is used to complete drive and control of electric machine and position signal acquisition and be communicated with engine management unit.
10. a kind of engine has used the control system as described in claim 7-9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009755.1A CN108167066A (en) | 2017-01-06 | 2017-01-06 | A kind of turbocharging control method and control system and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009755.1A CN108167066A (en) | 2017-01-06 | 2017-01-06 | A kind of turbocharging control method and control system and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167066A true CN108167066A (en) | 2018-06-15 |
Family
ID=62527153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710009755.1A Pending CN108167066A (en) | 2017-01-06 | 2017-01-06 | A kind of turbocharging control method and control system and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167066A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167068A (en) * | 2017-01-06 | 2018-06-15 | 苏州意驱动汽车科技有限公司 | A kind of turbocharger electronic actuators scaling method and system |
| CN109630257A (en) * | 2018-12-12 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | Exhaust gas by-pass valve control method and structure |
| CN111287837A (en) * | 2018-12-07 | 2020-06-16 | 宝沃汽车（中国）有限公司 | Engine, air inlet system of engine, turbocharger control method and device and vehicle |
| CN111894745A (en) * | 2020-06-28 | 2020-11-06 | 东风汽车集团有限公司 | Air volume control method and device for exhaust gas turbocharging system |
| CN112664282A (en) * | 2019-10-15 | 2021-04-16 | 上汽通用汽车有限公司 | Control method for variable turbocharger |
| CN114183239A (en) * | 2021-11-24 | 2022-03-15 | 重庆长安汽车股份有限公司 | Method and system for controlling deceleration and air leakage process of automobile supercharging gasoline engine and vehicle |
| CN114263543A (en) * | 2022-03-03 | 2022-04-01 | 潍柴动力股份有限公司 | A method, device, electronic device and storage medium for determining the opening degree of a supercharger |
| CN116085106A (en) * | 2023-02-24 | 2023-05-09 | 潍柴动力股份有限公司 | A sequential supercharging engine and its transient loading method and device |
| CN120444125A (en) * | 2025-07-11 | 2025-08-08 | 潍柴动力股份有限公司 | Engine EGR system, control method and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626351A (en) * | 1992-07-08 | 1994-02-01 | Mazda Motor Corp | Control device for engine with supercharger |
| CN1374444A (en) * | 2002-04-19 | 2002-10-16 | 清华大学 | Variable nozzle turbocharging control method and system for vehicle engine |
| US20050131620A1 (en) * | 2002-01-31 | 2005-06-16 | Cambridge Consultants Limited | Control system |
| CN101328831A (en) * | 2008-08-04 | 2008-12-24 | 清华大学 | Diesel engine variable altitude self-adaptive supercharging control method and system |
| US20100011763A1 (en) * | 2006-09-11 | 2010-01-21 | Isuzu Motors Limited | Control device for multi-stage turbochargers |
| CN202417695U (en) * | 2012-01-11 | 2012-09-05 | 康跃科技股份有限公司 | Staged flow-adjustable turbine casing |
| CN103906908A (en) * | 2012-01-24 | 2014-07-02 | 三菱重工业株式会社 | Control devices for internal combustion engines |
| WO2016203733A1 (en) * | 2015-06-18 | 2016-12-22 | 株式会社デンソー | Electric actuator and manufacturing method for same |
| CN108167068A (en) * | 2017-01-06 | 2018-06-15 | 苏州意驱动汽车科技有限公司 | A kind of turbocharger electronic actuators scaling method and system |
-
2017
- 2017-01-06 CN CN201710009755.1A patent/CN108167066A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626351A (en) * | 1992-07-08 | 1994-02-01 | Mazda Motor Corp | Control device for engine with supercharger |
| US20050131620A1 (en) * | 2002-01-31 | 2005-06-16 | Cambridge Consultants Limited | Control system |
| CN1374444A (en) * | 2002-04-19 | 2002-10-16 | 清华大学 | Variable nozzle turbocharging control method and system for vehicle engine |
| CN1162611C (en) * | 2002-04-19 | 2004-08-18 | 清华大学 | Method and system for controlling variable nozzle turbocharging of vehicle engine |
| US20100011763A1 (en) * | 2006-09-11 | 2010-01-21 | Isuzu Motors Limited | Control device for multi-stage turbochargers |
| CN101328831A (en) * | 2008-08-04 | 2008-12-24 | 清华大学 | Diesel engine variable altitude self-adaptive supercharging control method and system |
| CN202417695U (en) * | 2012-01-11 | 2012-09-05 | 康跃科技股份有限公司 | Staged flow-adjustable turbine casing |
| CN103906908A (en) * | 2012-01-24 | 2014-07-02 | 三菱重工业株式会社 | Control devices for internal combustion engines |
| WO2016203733A1 (en) * | 2015-06-18 | 2016-12-22 | 株式会社デンソー | Electric actuator and manufacturing method for same |
| CN108167068A (en) * | 2017-01-06 | 2018-06-15 | 苏州意驱动汽车科技有限公司 | A kind of turbocharger electronic actuators scaling method and system |
Non-Patent Citations (1)
| Title |
|---|
| 赵锐等: "高原柴油机二级可调增压器控制系统设计", 《四川兵工学报》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167068A (en) * | 2017-01-06 | 2018-06-15 | 苏州意驱动汽车科技有限公司 | A kind of turbocharger electronic actuators scaling method and system |
| CN111287837A (en) * | 2018-12-07 | 2020-06-16 | 宝沃汽车（中国）有限公司 | Engine, air inlet system of engine, turbocharger control method and device and vehicle |
| CN111287837B (en) * | 2018-12-07 | 2021-05-14 | 宝沃汽车（中国）有限公司 | Engine, air inlet system of engine, turbocharger control method and device and vehicle |
| CN109630257A (en) * | 2018-12-12 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | Exhaust gas by-pass valve control method and structure |
| CN112664282B (en) * | 2019-10-15 | 2023-02-21 | 上汽通用汽车有限公司 | Control method for variable turbocharger |
| CN112664282A (en) * | 2019-10-15 | 2021-04-16 | 上汽通用汽车有限公司 | Control method for variable turbocharger |
| CN111894745A (en) * | 2020-06-28 | 2020-11-06 | 东风汽车集团有限公司 | Air volume control method and device for exhaust gas turbocharging system |
| CN111894745B (en) * | 2020-06-28 | 2021-11-02 | 东风汽车集团有限公司 | Air volume control method and device for exhaust gas turbocharging system |
| CN114183239A (en) * | 2021-11-24 | 2022-03-15 | 重庆长安汽车股份有限公司 | Method and system for controlling deceleration and air leakage process of automobile supercharging gasoline engine and vehicle |
| CN114183239B (en) * | 2021-11-24 | 2024-01-12 | 重庆长安汽车股份有限公司 | Control method and system for speed reduction and air leakage process of automobile supercharged gasoline engine and automobile |
| CN114263543A (en) * | 2022-03-03 | 2022-04-01 | 潍柴动力股份有限公司 | A method, device, electronic device and storage medium for determining the opening degree of a supercharger |
| CN116085106A (en) * | 2023-02-24 | 2023-05-09 | 潍柴动力股份有限公司 | A sequential supercharging engine and its transient loading method and device |
| CN120444125A (en) * | 2025-07-11 | 2025-08-08 | 潍柴动力股份有限公司 | Engine EGR system, control method and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108167066A (en) | A kind of turbocharging control method and control system and engine | |
| CN108167068A (en) | A kind of turbocharger electronic actuators scaling method and system | |
| CN101387236B (en) | Variable nozzle turbocharging control method and system | |
| US8286428B2 (en) | Inlet system for an engine | |
| CN109611193B (en) | Control method for small-sized aviation piston two-stroke turbocharged engine | |
| CN111608790B (en) | Gas circuit optimization control system of electric auxiliary turbocharged diesel engine | |
| CN1374444A (en) | Variable nozzle turbocharging control method and system for vehicle engine | |
| CN111350584A (en) | Control method and control system for supercharging system | |
| CN102297030A (en) | Electric supercharging system for automotive engines and electric supercharging method | |
| CN110543715A (en) | Matching method of two-stage booster system based on simulation calculation | |
| CN206360776U (en) | Turbo charging installation and automobile | |
| CN109687810B (en) | Rotating speed control method for preventing motor overspeed of pure electric vehicle | |
| CN109458255A (en) | Gasoline engine combined pressurizing system control method and gasoline engine combined pressurizing system | |
| JP4182880B2 (en) | Control device for internal combustion engine | |
| EP2271831B1 (en) | A method of and apparatus for operating a supercharger | |
| CN100504049C (en) | Exhaust system of a turbocharged internal combustion engine | |
| CN105114169A (en) | Electric turbocharging device | |
| CN203547909U (en) | Control device for exhaust gas bypass valve and vehicle | |
| CN204877664U (en) | Electronic turbocharged device | |
| CN103953478B (en) | Dual pathways super charge pipe | |
| CN202866984U (en) | Engine transient air inlet control system | |
| CN206016955U (en) | A kind of variable geometry turbocharger blade opening control device | |
| CN201982178U (en) | Digital electronic speed governor control circuit of diesel engine of sophisticated power station | |
| CN112086667A (en) | System and method for reducing air inflow of fuel cell during idling | |
| CN209458031U (en) | A kind of PTO control mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180615 |