CN102819243A - Central control system of automotive practical training platform - Google Patents
Central control system of automotive practical training platform Download PDFInfo
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- CN102819243A CN102819243A CN2011101511903A CN201110151190A CN102819243A CN 102819243 A CN102819243 A CN 102819243A CN 2011101511903 A CN2011101511903 A CN 2011101511903A CN 201110151190 A CN201110151190 A CN 201110151190A CN 102819243 A CN102819243 A CN 102819243A
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Abstract
The invention belongs to a central control system of an automotive practical training platform. The central control system of the automotive practical training platform comprises tested modules of automotive assemblies, a computer control module,electrical connectors,an acquisition device, an on-off control device and an upper computer. The computer control module to execute tasks is preinstalled in the upper computer. The computer control module using a practical training software integrated development environment as a basic platform is started. The upper computer is connected with the acquisition device, the on-off control device and the tested modules of automotive assemblies through the electrical connectors, and real-time interaction is available. After execution of communicating, control and measurement tasks, test data acquired by the acquisition device in real time are converted into a format of standard protocol and are uploaded to the computer control module for processing. Therefore, learning procedure, examination procedure and assembly parts of a real automotive are integrated into the same system, so that teaching flexibility is improved, and high teaching cost is saved while teaching quality is improved greatly.
Description
Technical field
The invention belongs to a kind of vehicle teaching system, particularly relate to the real standard of a kind of automobile platform central control system.
Background technology
Along with the development of automotive electronicsization, make the electronics integrated technology on automobile, obtain using widely, this just requires the auto repair personnel to possess comprehensive electronic maintenance technical ability and knowledge, and this has also had new requirement to the teaching and the training in auto repair field.Especially the develop rapidly of China's automobile industry now, for auto repair and training relevant require increasingly high.The automotive-type teaching experimental equipment will make further progress aspect intellectuality, robotization, the synthesization, the new test field of developing that uses of the new technology, and developing new experimental facilities will be following development trend in this field.
And traditional form of teaching has three kinds, and a kind of is simple software teaching, and another kind is the mode of simple practical traning platform teaching and simple software and hardware combining teaching.
The defective of simple computer software form of teaching is:
1, carries out through programming that the form of virtual demonstration carries out, can not let the student go to understand the duty and the structure of each parts intuitively;
2, more can't see the variation of each parts each other the working condition of each assembly parts of automobile when service requirement changes;
3, form of teaching is dumb, can only can not realize the systematization teaching at dismounting relation that observes traditional sense and simple operation mode;
4, can't intuitively see the situation of change of each assembly parts of automobile various concrete parameters when working condition changes.
The defective of simple software and hardware combining mode:
1, real standard function singleness can't be controlled comprehensively, more can't accumulate complicacy, more press close to the live various experiences of reality maintenance;
2, a cover software only carries out alternately to each assembly equipment under test of single automobile, if purchase each assembly a complete set of equipment of automobile, then needs many cover softwares to carry out and a plurality of real standard matched, has increased instruction cost;
3, overlap software more and cause taking in a large number of operating-system resources easily, reduced the speed of computing machine, and cause the faults such as conflict between the software easily.
Therefore, need a kind of new tutoring system really, substitute present teaching pattern.
Summary of the invention
The technical matters that the present invention will solve provides the integrative solution that a kind of software and the combination alternately of automobile physical components, auto repair combine with automobile education.When the student learns the auto repair knowwhy through the present invention, can carry out flexile practice, can also carry out synchronously examining, set up Trinitarian multidimensional teaching pattern with the line of each assembly tested module real-time, interactive of automobile; Can also let the student understand the operative relation between each parts of automobile in depth, make up the teaching environment of the collaborative work of an automobile actual situation fusion through vision, the sense of hearing, sense of touch.
The present invention has formed the system of a cover through the interaction running of software and each assembly parts of entity automobile through each assembly tested module (1) of automobile, computer control module (2), electric connector (3), harvester (14), break-make control device (17) and host computer (4) are matched, let the student sharpen understanding from vision, the sense of hearing, sense of touch and work and operative relation between each parts of automobile.Said host computer (4) is connected with said harvester (14), each assembly tested module (1) of said break-make control device (17) and said automobile through said electric connector (3), and real-time, interactive is carried out communication, control, measuring task.
The present invention selects according to the user, and different automobile equipments is tested.Each assembly tested module (1) of automobile described in the present invention is each assembly sensor of automobile; Each electronic control unit of automobile; Each appliance circuit of automobile; Each assembly practical traning platform of automobile; The automatic transmission practical traning platform; The air bag practical traning platform; The ABS practical traning platform; The automatic air condition practical traning platform; Automotive electronics igniting and fuel injection practical traning platform; Body of a motor car electrical equipment practical traning platform; Vehicle-mounted Can-Bus bus and multistation information transmission system practical traning platform; One or more of teaching car load and body of a motor car network practical traning platform.
Electric connector described in the present invention is one or more in round electric connector, rectangular electric connector, the communication cable; Said communication cable adopts the connecting line that is fit to the standard traffic port.The user instructs selecting test item (or on circuit diagram, select test item through test pencil) back to send institute's test event of wanting through communication cable to equipment under test on the computer control module.
Computer control module according to the invention (2) comprises Remote Device Control submodule (5), line examination submodule (6), line teaching submodule (7) and screen test submodule (8); Said Remote Device Control submodule (5) and each assembly tested module (1) real-time, interactive of said automobile communicate, control, measuring operation.
Screen test submodule according to the invention (8) comprises network classroom unit (16) and virtual measurement terminal unit (15); Said virtual measurement terminal unit (15) is one or more in Virtual Multimeter, virtual oscilloscope, the virtual diagnostic equipment.
Be connected to the user through virtual measurement terminal and each assembly parts of entity automobile real measured data is provided, the user carries out full test through the test point on Virtual Multimeter, virtual oscilloscope, the virtual diagnostic equipment combined circuit figure to the equipment such as each assembly electronic unit of automobile of current connection.Not only satisfy the actual measurement demand and the manipulative ability of students, tempered student's acuteness to the electronic maintenance data in maintenance process; Simultaneously can make students observe and recognize the actual waveform figure of the project of surveying accurately.
Break-make control device according to the invention (17) comprises control panel that the relay group is installed and the oscillography plate that the relay group is installed.Control panel carries out break-make control to automobile electrical signal.The oscillography plate not only carries out break-make control to automobile electrical signal, can also carry out the measurement of waveform and frequency through card oscillograph.
Host computer according to the invention (4) is the single-chip microcomputer of computing machine, transmitting-receiving instruction and feedback data or in other opertaing devices one or more; Said host computer (4) connects LAN or wide area network; Said host computer (4) is through installing said network classroom unit (16), with the computing machine of said host computer (4) networking on each assembly tested module (1) of said automobile is carried out interactive operations such as real-time Communication for Power, control, measurement.
Said host computer is through installing said network classroom unit, with the computing machine of host computer networking on real-time Communication for Power, control, measuring operation that each assembly tested module of automobile is carried out.The present invention supports multi-client simultaneously the electrical parameter of each assembly parts of entity automobile to be measured.System is divided into teacher's end and student's end, and the teacher holds and can distribute number of the account and test authority for the student hold, and also can connect student's end through network remote and carry out the remote testing guidance and realize following function:
(1) each client can be carried out voltage, resistance, testing current to the different electric sub-element of the testing apparatus of current selection through Virtual Multimeter;
(2) teacher's end can be authorized, and specifies a client that current testing apparatus is carried out the waveform testing operation.Other clients can show test item waveform, diagnostic test process and the result who is tested simultaneously;
(3) teacher's end can pass through network, and student's end is specified in long-range connection, carries out the remote guide operation.
Remote Device Control submodule according to the invention (5) comprises that starting stop element (9), acceleration-deceleration unit (10), failure diagnosis unit (11), Oscillographic Analysis unit (12) and fault is provided with unit (13); Said line examination submodule (6), said line teaching submodule (7), said screen test submodule (8) are connected mutually with said Remote Device Control submodule (5), and the said startup stop element of real-time calling (9), said acceleration-deceleration unit (10), said failure diagnosis unit (11), said Oscillographic Analysis unit (12) and said fault are provided with interactive operations such as unit (13) carries out real-time communicating by letter, control, measurement.
Remote Device Control submodule according to the invention (5) is connected mutually with said line examination submodule (6), said line teaching submodule (7), said screen test submodule (8), to each assembly tested module (1) of said automobile of outside start in real time, stop, in the acceleration, deceleration, fault diagnosis, oscillography, fault setting operation one or more.Wherein, start-up control (ignition switch): be the master switch that whole interface can be tested.After having only host computer to open ignition switch, the student just can carry out testing and diagnosing, the result otherwise testing and diagnosing does not come out.
Remote Device Control submodule according to the invention (5) is that startup stop element (9), said acceleration-deceleration unit (10), said failure diagnosis unit (11), said Oscillographic Analysis unit (12) and said fault are provided with one or more in the unit (13).Wherein, Virtual Multimeter is carried out one or more of voltage, resistance, make-break operation; Virtual oscilloscope carries out one or more of waveform, frequencies operations; Virtual diagnostic equipment carries out read failure, removes fault, the reading of data flow operation one or more.Simultaneously carry out real-time communicating by letter with each assembly tested module (1) of the said automobile in outside, interactive operations such as control, measurement.
The present invention also provides the method that is used with it except the real standard of automobile platform central control system is provided: the said computer control module (2) that will execute the task is pre-loaded into said host computer (4); Startup is the said computer control module (2) of basic platform with real standard software IDE; Judge that through testing advanced channel selecting program the relay group of this signal through control panel still is that the relay group of oscillography plate is carried out the break-make setting, just form path with each assembly tested module of automobile this moment.The test data that to be gathered in real time by said harvester (14) again converts the form of standard agreement into, is uploaded to said computer control module (2) to show or handle.
Acceleration-deceleration according to the invention unit (10) may further comprise the steps: through carrying out " acceleration program ", said break-make control device (17) calculates the break-make number of times that needs response according to the degree of selecting acceleration or slow down, is saved to counter; [0025] said break-make control device (17) carries out make-break operation according to the break-make number of times, and the make-break operation signal is passed to accelerator card, and after the chip of accelerator card was handled, the voltage that makes accelerator pedal position sensor send a small rising passed to ECU; With the signal of receiving through cable, and by drive motor according to the break-make number of times, increase or reduce to control the aperture of air throttle.
Be a teacher when regulating acceleration or deceleration control, corresponding variation can also take place in the data of student's test, can let the student under the condition of friction speed, can test out the result of different electricity data exactly.
Failure diagnosis unit according to the invention (11) may further comprise the steps: through preposition parameter signal handling procedure; Confirm the model of the automobile electronic control unit ECU of needs coupling according to the concrete equipment of selected each assembly tested module (1) of said automobile, and read the information of this ECU; Scan and read the failure code of this automobile electronic control unit ECU through automobile electronic control unit ECU control program; Through the fetch program, send the failure code of automobile electronic control unit ECU to said computer control module (2); Failure code is translated into the fault title of written form and be sent to said computer control module (2) through the failure code translation program of automobile electronic control unit ECU and show through said host computer (4) or send into LAN or wide area network through communication interface.
Oscillographic Analysis according to the invention unit (12) may further comprise the steps: through testing advanced channel selecting program, confirm to go up the relay that corresponding electric signal pin is connected with automobile electronic control unit ECU according to the waveform title that selected needs show; Through with the conducting control program to carrying out closed procedure on the said break-make control device (17); Make on each assembly sensor of automobile electronic control unit ECU and automobile corresponding electric signal be set to conducting, further make entire circuit form conducting state; Through acquisition driver, the various electrical signal conversion of automobile electronic control unit ECU are become digital signal, and send said computer control module (2) to and show through said host computer (4) or send into LAN or wide area network through communication interface.
The user selects to send institute's test event of wanting through communication cable to equipment under test behind the test item and instructs; Computer control module obtains the voltage data information of test item through data collecting card afterwards; Calculate effective voltage value, minimum voltage value and the maximum voltage value of test item, and the signal message that collects is depicted as waveform.And user's software when carrying out waveform testing provides " reference waveform " in order to compare reference with " measured waveform " according to user-selected test item for the user.The user passes through: channel selecting, triggering mode, coupling scheme, attenuation ratio, SF, the time information that provides in base, the passage amplitude list box coordinate system of data collecting device and drawing waveforms is carried out parameter adjustment is set.
Fault according to the invention is provided with unit (13) and may further comprise the steps: through preposition fault handling procedure is set, according to selected fault name-matches fault numbering; Through preposition fault determining program is set, the equipment that fault is set according to the fault numbering judgement needs that receive is automobile electronic control unit ECU or each assembly sensor of automobile; If automobile electronic control unit ECU then selects the model of automobile electronic control unit ECU,, confirm that according to the fault numbering relay that is connected with the last corresponding electric signal pin of automobile electronic control unit ECU carries out corresponding break-make setting through testing advanced channel selecting program; Then set fault generating; If each assembly sensor of automobile, then directly through testing advanced channel selecting program, the relay of confirming according to the fault numbering carries out corresponding break-make setting; Then set fault generating.By host computer fault is set, teacher sets fault at host computer through sending instruction, lets the student diagnose then.After diagnosis was correct, teacher removed the fault of setting again.
The invention has the beneficial effects as follows:
1, will learn link, examination link and each assembly parts of entity automobile comprehensively for same system, deeply understand the operative relation between each parts of automobile from vision, the sense of hearing, sense of touch.Like this, satisfy the actual measurement demand and the manipulative ability of students, tempered student's acuteness to the electronic maintenance data in maintenance process;
2, increased the dirigibility of teaching; See that intuitively automobile each assembly physical components is when service requirement changes; Also consequential various concrete reactions of the operating mode of physical components and the variation that the various electrical parameters of adjustment together take place with it combine, and are more conducive to the principle of work of each assembly parts of students understand automobile;
3, make full use of the existing network classroom of educational institution, also saved the instruction cost of great number when having improved quality of instruction so greatly.
Description of drawings
Fig. 1 is a connection organigram of the present invention.
Fig. 2 is a workflow synoptic diagram of the present invention.
Fig. 3 is the work synoptic diagram of virtual measurement terminal unit of the present invention.
Embodiment
Through accompanying drawing the present invention is done further introduction below:
Connection structure of the present invention is illustrated like figure one: formed the system of a cover through the interaction running of software and each assembly parts of entity automobile through each assembly tested module (1) of automobile, computer control module (2), electric connector (3), harvester (14), break-make control device (17) and host computer (4) are matched.Said host computer (4) is connected with said harvester (14), each assembly tested module (1) of said break-make control device (17) and said automobile through said electric connector (3), and real-time, interactive is carried out communication, control, measuring task.The present invention can test different automobile equipments according to user's selection.Each assembly tested module (1) of automobile described in the present invention is each assembly sensor of automobile; Each electronic control unit of automobile; Each appliance circuit of automobile; Each assembly practical traning platform of automobile; The automatic transmission practical traning platform; The air bag practical traning platform; The ABS practical traning platform; The automatic air condition practical traning platform; Automotive electronics igniting and fuel injection practical traning platform; Body of a motor car electrical equipment practical traning platform; Vehicle-mounted Can-Bus bus and multistation information transmission system practical traning platform; One or more of teaching car load and body of a motor car network practical traning platform.Said computer control module (2) comprises Remote Device Control submodule (5), line examination submodule (6), line teaching submodule (7) and screen test submodule (8); Said Remote Device Control submodule (5) and each assembly tested module (1) real-time, interactive of said automobile communicate, control, measuring operation.Remote Device Control submodule according to the invention (5) is to start stop element (9), said acceleration-deceleration unit (10), said failure diagnosis unit (11), said Oscillographic Analysis unit (12) and said fault in the unit (13) one or more are set, interactive operations such as while and each assembly tested module (1) of the said automobile in outside carry out real-time communicating by letter, control, measurement.
The present invention also provides the method that is used with it except the real standard of automobile platform central control system is provided; Concrete workflow such as figure two: the said computer control module (2) that will execute the task is pre-loaded into said host computer (4); Startup is the said computer control module (2) of basic platform with real standard software IDE; Judge that through testing advanced channel selecting program the relay group of this signal through control panel still is that the relay group of oscillography plate is carried out the break-make setting; The test data that to gather in real time by said harvester (14) again; Convert the form of standard agreement into, be uploaded to said computer control module (2) and show or handle.
The work of virtual measurement terminal unit of the present invention is illustrated like figure three: virtual measurement terminal unit according to the invention (15); Said virtual measurement terminal unit (15) is one or more in Virtual Multimeter, virtual oscilloscope, the virtual diagnostic equipment.Virtual Multimeter can be surveyed the operation of voltage, measuring resistance, break-make; Virtual oscilloscope can be surveyed the operation of waveform, measured frequency; The operation that virtual diagnostic equipment can carry out read failure, remove fault, reading data flow.
Through carrying out the instance that is set to of " a cylinder injector earth fault " is further specified at " popular 1.8T petrol engine practical traning platform ", concrete steps are following below:
The first step, " ON/OFF " button is clicked in the power supply power supply, and then automobile instrument panel is lighted;
In second step, starting engine is clicked " startup " starting engine;
The 3rd step, carry out the fault setting, we click error listing setting " a cylinder injector earth fault " now, and the engine on " popular 1.8T petrol engine practical traning platform " can phenomenons such as not steady occur moving because of lacking cylinder at this moment;
The 4th step, carry out fault diagnosis, click " failure diagnosis unit ", designated equipment is carried out the diagnosis of fault line.Get into the controller Diagnostics Interfaces, the equipment that selection needs to detect is " engine ".Diagnostic software can read out many information such as the Part No., assembly coding, control module coding, service station code, additional information of Engine ECU automatically: " read failure sign indicating number " system that the clicks sign indicating number " 17633 " that can autoscan be out of order;
The 5th step; Carry out the Virtual Multimeter test; Teacher can use true multimeter on stand when carrying out above-mentioned demonstration explanation, carry out the break-make of circuit and measure; The Virtual Multimeter function that the student can use online screen test macro in teacher explanation is measuring voltage on computers, and Online Transaction Processing then can collect real data.The student can select test item or on circuit diagram, select test point to test through the Virtual Multimeter pen through the tabulation of the test event in the computer control module, and two kinds of selected test events of metering system are consistent.Then in the corresponding measured position of project on circuit diagram of flicker identifying user, position of circuit diagram, simultaneously with the circuit flicker sign of test item on circuit diagram.The normal working voltage of one cylinder injector should be 12v, and when " a cylinder injector earth fault " state of setting, the Virtual Multimeter display voltage is 0v.Profile information in the simultaneity factor reading database, and detect examination information and be encapsulated as the standard agreement form and be sent to client's communication module, through this module module that uploads onto the server, notice bottom acquisition module is gathered.After receiving the image data of returning, earlier data are resolved, the voltage that obtains collecting, resistance, current values, and in the Virtual Multimeter display box, show;
The 6th step, carry out the oscillography operation, get into the waveform that fuel injector is checked in " wave form analysis unit "; Can use simultaneously the mouse of tele-control system to quicken (deceleration) function, the size of control throttle is observed the variation of engine fuel injector waveform when quickening and slow down.Engine is when quickening, and the recurrence interval shortens; Engine recurrence interval when slowing down increases.Teacher is when the explanation wave form analysis, and the student also can use the oscillogram of measuring current real-time fuel injector at the virtual oscilloscope of screen test module, thus the fuel injection pulsewidth of inspection engine under quickening, slowing down;
The 7th step, carry out fault clearance, when being provided with fault, the single clear DTC is removed.Should arrive first " failure diagnosis unit " click " removing fault ".After disposing the essence fault, the engine on " popular 1.8T petrol engine practical traning platform " recovers normal operating conditions.And then getting into " failure diagnosis unit " removing DTC, fault is then thoroughly removed;
The 8th step, carry out the reading of data flow operation, click " reading data flow " button earlier, can gather the data of Engine ECU in real time: like related datas such as engine speed, temperature, air-fuel ratio, air mass flow, ignition timing.
Claims (14)
1. an automobile is instructed the platform central control system in fact; Comprise each assembly tested module (1) of automobile, computer control module (2), electric connector (3), harvester (14), break-make control device (17) and host computer (4); It is characterized in that: said host computer (4) is connected with said harvester (14), each assembly tested module (1) of said break-make control device (17) and said automobile through said electric connector (3), and real-time, interactive is carried out communication, control, measuring task.
2. the real standard of automobile as claimed in claim 1 platform central control system is characterized in that: each assembly tested module (1) of said automobile is one or more of each assembly sensor of automobile, each electronic control unit of automobile, each appliance circuit of automobile, each assembly practical traning platform of automobile, automatic transmission practical traning platform, air bag practical traning platform, ABS practical traning platform, automatic air condition practical traning platform, automotive electronics igniting and fuel injection practical traning platform, body of a motor car electrical equipment practical traning platform, vehicle-mounted Can-Bus bus and multistation information transmission system practical traning platform, teaching car load and body of a motor car network practical traning platform.
3. the real standard of automobile as claimed in claim 1 platform central control system, it is characterized in that: said electric connector (3) is one or more in round electric connector, rectangular electric connector, the communication cable; Said communication cable adopts the connecting line that is fit to the standard traffic port.
4. the real standard of automobile as claimed in claim 1 platform central control system; It is characterized in that: said computer control module (2) comprises Remote Device Control submodule (5), line examination submodule (6), line teaching submodule (7) and screen test submodule (8); Said Remote Device Control submodule (5) and each assembly tested module (1) real-time, interactive of said automobile carry out real-time Communication for Power, control, measuring operation.
5. the real standard of automobile as claimed in claim 1 platform central control system, it is characterized in that: said screen test submodule (8) comprises network classroom unit and virtual measurement terminal unit; Said virtual measurement terminal unit is one or more in Virtual Multimeter, virtual oscilloscope, the virtual diagnostic equipment.
6. the real standard of automobile as claimed in claim 1 platform central control system is characterized in that: said host computer (4) is the single-chip microcomputer of computing machine, transmitting-receiving instruction and feedback data or in other opertaing devices one or more; Said host computer (4) connects LAN or wide area network; Said host computer (4) is through installing said network classroom unit (16), with the computing machine of said host computer (4) networking on each assembly tested module (1) of said automobile is carried out interactive operations such as real-time Communication for Power, control, measurement.
7. the real standard of automobile as claimed in claim 4 platform central control system; It is characterized in that: said Remote Device Control submodule (5) comprises that starting stop element (9), acceleration-deceleration unit (10), failure diagnosis unit (11), Oscillographic Analysis unit (12) and fault is provided with unit (13); Said line examination submodule (6), said line teaching submodule (7), said screen test submodule (8) are connected mutually with said Remote Device Control submodule (5), and the said startup stop element of real-time calling (9), said acceleration-deceleration unit (10), said failure diagnosis unit (11), said Oscillographic Analysis unit (12) and said fault are provided with interactive operations such as unit (13) carries out real-time communicating by letter, control, measurement.
8. the real standard of automobile as claimed in claim 4 platform central control system; It is characterized in that: said Remote Device Control submodule (5) is connected mutually with said line examination submodule (6), said line teaching submodule (7), said screen test submodule (8), to each assembly tested module (1) of said automobile of outside start in real time, stop, in the acceleration, deceleration, fault diagnosis, oscillography, fault setting operation one or more; Wherein, Virtual Multimeter is carried out one or more of voltage, resistance, make-break operation; Virtual oscilloscope carries out one or more of waveform, frequencies operations; Virtual diagnostic equipment carries out read failure, removes fault, the reading of data flow operation one or more.
9. the real standard of automobile as claimed in claim 7 platform central control system; It is characterized in that: said startup stop element (9), said acceleration-deceleration unit (10), said failure diagnosis unit (11), said Oscillographic Analysis unit (12) and said fault are provided with one or more in the unit (13), simultaneously carry out real-time communicating by letter with each assembly tested module (1) of the said automobile in outside, interactive operations such as control, measurement.
10. an automobile is instructed the method that platform central authorities control in fact; It is characterized in that: the said computer control module (2) that will execute the task is pre-loaded into said host computer (4); Startup is the said computer control module (2) of basic platform with real standard software IDE; Judge that through testing advanced channel selecting program the relay group of this signal through control panel still is that the relay group of oscillography plate is carried out the break-make setting; The test data that to be gathered in real time by said harvester (14) again converts the form of standard agreement into, is uploaded to said computer control module (2) to show or handle.
11. the method for the real standard of automobile as claimed in claim 7 platform central authorities control; It is characterized in that: said acceleration-deceleration unit (10) may further comprise the steps: through carrying out " acceleration program "; Said break-make control device (17) calculates the break-make number of times that needs response according to the degree of selecting acceleration or slow down, is saved to counter; Said break-make control device (17) carries out make-break operation according to the break-make number of times, and the make-break operation signal is passed to accelerator card, and after the chip of accelerator card was handled, the voltage that makes accelerator pedal position sensor send a small rising passed to ECU; With the signal of receiving through cable, and by drive motor according to the break-make number of times, increase or reduce to control the aperture of air throttle.
12. the method for the real standard of automobile as claimed in claim 7 platform central authorities control; It is characterized in that: said failure diagnosis unit (11) may further comprise the steps: through preposition parameter signal handling procedure; Confirm the model of the automobile electronic control unit ECU of needs coupling according to the concrete equipment of selected each assembly tested module (1) of said automobile, and read the information of this ECU; Scan and read the failure code of this automobile electronic control unit ECU through automobile electronic control unit ECU control program; Through the fetch program, send the failure code of automobile electronic control unit ECU to said computer control module (2); Failure code is translated into the fault title of written form and be sent to said computer control module (2) through the failure code translation program of automobile electronic control unit ECU and show through said host computer (4) or send into LAN or wide area network through communication interface.
13. the method for the real standard of automobile as claimed in claim 7 platform central authorities control; It is characterized in that: said Oscillographic Analysis unit (12) may further comprise the steps: through testing advanced channel selecting program, confirm to go up the relay that corresponding electric signal pin is connected with automobile electronic control unit ECU according to the waveform title that selected needs show; Through with the conducting control program to carrying out closed procedure on the said break-make control device (17); Make on each assembly sensor of automobile electronic control unit ECU and automobile corresponding electric signal be set to conducting, further make entire circuit form conducting state; Through acquisition driver, the various electrical signal conversion of automobile electronic control unit ECU are become digital signal, and send said computer control module (2) to and show through said host computer (4) or send into LAN or wide area network through communication interface.
14. the method for the real standard of automobile as claimed in claim 7 platform central authorities control, it is characterized in that: said fault is provided with unit (13) and may further comprise the steps: through preposition fault handling procedure is set, according to selected fault name-matches fault numbering; Through preposition fault determining program is set, the equipment that fault is set according to the fault numbering judgement needs that receive is automobile electronic control unit ECU or each assembly sensor of automobile; If automobile electronic control unit ECU then selects the model of automobile electronic control unit ECU; Through testing advanced channel selecting program; Confirm that according to the fault numbering relay that is connected with the last corresponding electric signal pin of automobile electronic control unit ECU carries out corresponding break-make setting, then set fault generating; If each assembly sensor of automobile, then directly through testing advanced channel selecting program, the relay of confirming according to the fault numbering carries out corresponding break-make setting, then set fault generating.
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| CN2011101511903A CN102819243A (en) | 2011-06-08 | 2011-06-08 | Central control system of automotive practical training platform |
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| CN2011101511903A CN102819243A (en) | 2011-06-08 | 2011-06-08 | Central control system of automotive practical training platform |
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| CN114545805A (en) * | 2020-11-24 | 2022-05-27 | 中国航发商用航空发动机有限责任公司 | Method, device and system for online adjustment of control parameters of aircraft engine |
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