CN1866141A - Simulative testing bench for electrical control unit of automatic transmission of automobile - Google Patents
Simulative testing bench for electrical control unit of automatic transmission of automobile Download PDFInfo
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- CN1866141A CN1866141A CN 200610027083 CN200610027083A CN1866141A CN 1866141 A CN1866141 A CN 1866141A CN 200610027083 CN200610027083 CN 200610027083 CN 200610027083 A CN200610027083 A CN 200610027083A CN 1866141 A CN1866141 A CN 1866141A
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- control unit
- electrical control
- automatic transmission
- simulation
- emulation
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Abstract
The disclosed electric control unit simulation test platform for a vehicle automatic transmission comprises: a conversion interface circuit connected to switch value in-out card of an industrial controller, an interface circuit connected to an analog conversion circuit and V/F circuit, and a industrial controller for simulation. This invention has well simulation precision and real-time, and fit to different vehicle.
Description
Technical field
The present invention relates to a kind of simulative testing bench for electrical control unit, particularly relate to a kind of simulation test stand of electrical control unit of automatic transmission of automobile.
Background technology
Suitable low of the ratio of the at present domestic automobile that automatic transmission is housed, the exploitation of electrical control unit of automatic transmission is in a starting stage.The emulation experiment platform of electrical control unit of automatic transmission has carried out hybrid simulation to the various peripheral signal of electrical control unit of automatic transmission of automobile and the various running environments of automobile, general, economic, an effective development platform is provided for the exploitation of electrical control unit of automatic transmission.The emulation experiment platform of having developed at present has the pure emulation of the computer software of a lot of employings, and the emulation experiment platform of software and hardware hybrid simulation is seldom arranged, and pure software emulation often has bigger deviation with realistic model on simulation accuracy and model.
Summary of the invention
For reaching above-mentioned purpose, the invention provides a kind of simulation test stand of electrical control unit of automatic transmission of automobile of software and hardware mixing.Electrical control unit of automatic transmission is connected with conversion interface circuit by its interface circuit, conversion interface circuit and industrial computer switching value input and output card connection, ECU (Electrical Control Unit) also is connected analog quantity change-over circuit and V/F voltage frequency conversioning circuit and industrial computer analog quantity input and output card connection by its interface circuit with the V/F voltage frequency conversioning circuit with the analog quantity change-over circuit.
Throttle signal, fuel injection pressure signal and oil temperature signal are connected with electrical control unit of automatic transmission by voltage signal Filtering Processing circuit, electrical control unit of automatic transmission control pwm pulse modulation signal is connected with output signal processing circuit, other has engine rotational speed signal, input shaft rotating speed signal to be connected with electrical control unit of automatic transmission by the frequency signal treatment circuit with the output shaft tach signal, and electrical control unit of automatic transmission gauge tap amount signal is connected with output signal processing circuit.
A kind of emulation mode of simulative testing bench for electrical control unit of automatic transmission of automobile, its simulation process is:
1) input simulation parameter;
2) beginning emulation;
3) start the simulation test stand master control program;
4) start the software and hardware interface routine;
5) start the auto model program;
6) start the software and hardware interface routine;
7) start the simulation result logging program;
8) emulation finishes;
9) not, then return the 3rd) step;
10) start simulation result display analysis program.
Described input simulation parameter comprises input whole-car parameters, engine parameter, initiation parameter, torque converter parameter and running environment parameter.
Described simulation test stand master control program, its job step is:
1) initialization of variable;
2) from integrated circuit board judgement gearshift position and in interface display;
3) whether default section valve opening-time and the speed of a motor vehicle-displacement course;
4) not, input dialogue frame;
5) judge whether simulation time and bar position be correct;
6) not, prompting numerical range;
7) control state on the interface is set in order to avoid maloperation;
8) stop peripherals scanning;
9) whether adopt default car load engine torque converter parameter;
10) not, parameter input;
11) define arrays and deposit state parameter and assignment in the simulation process;
12) emulation then or the people for stopping the emulation function;
13) turn back to the 2nd) step.
Described software and hardware interface routine, its job step is:
1) opens equipment for the first time and obtain the handle that digital quantity drives integrated circuit board;
2) obtain the gear of current ECU (Electrical Control Unit) according to the output of ECU (Electrical Control Unit);
3) state of demonstration solenoid valve on the interface;
4) obtain main oil gallery and locking oil pressure valve dutycycle and demonstration by the analog quantity input;
5) according to dutycycle decision output oil pressure;
6) signal of gathering from peripheral circuit shows (snowfield, motion, common, braking);
7) throttle opening and the oily temperature that calculates is converted into magnitude of voltage.
Described auto model program, its job step is:
1) vehicle parameter is set;
2) whether adopt default car load, engine and bending moment;
3) not, the artificial input;
4) whether adopt default initial parameter and running environment parameter and add the resistance brake hard;
5) not, the artificial input;
6) modelling.
Described simulation result logging program, its job step is:
1) defines arrays and deposit emulation parameter and initialization;
2) simulation process;
3) simulation status dynamic parameter record;
4) display graphics whether;
5), record does not show;
6) according to recording drawing.
Described simulation result display analysis program, its job step is:
1) demonstration of simulation result: gearshift position shows, the solenoid valve state shows, the locking on-position shows and the emulation dynamic process shows;
2) emulation whether then or the people for stopping;
3) not, turn back to the 1st) step;
4) show simulation figure and result.
Effect of the present invention is:
1) adopt software and hardware hybrid simulation more approaching with realistic model on simulation accuracy and model;
2) aspect software, auto model is adopted real-time simulation, simulation accuracy is than higher, and the actual conditions of while and automobile are also very approaching; Auto model parameter scalable in the software can be carried out emulation at the automatic transmission of any vehicle, and versatility is good; By but the limit and the critical operating mode that a lot of experiments of parameter emulation are not accomplished is set in Control Software, various operating modes that can very comprehensive reflection automobile, be a kind of development platform fast and efficiently, can reach the purpose that shortens the construction cycle, saves the exploitation funds.
3) adopt real time data acquisition, actual condition is carried out omnibearing emulation, show that after tested the simulation result that carries out is true and reliable on the emulation experiment platform, good consistance is arranged with actual condition.
Description of drawings
Fig. 1 is a hardware configuration block scheme of the present invention;
Fig. 2 is the block scheme of the input/output signal treatment circuit of electrical control unit of automatic transmission;
Fig. 3 is the workflow synoptic diagram of emulation mode of the present invention;
Fig. 4 is the workflow synoptic diagram of the simulation test stand master control program of Fig. 3;
Fig. 5 is the workflow synoptic diagram of the software and hardware interface routine of Fig. 3;
Fig. 6 is the workflow synoptic diagram of the auto model program of Fig. 3;
Fig. 7 is the workflow synoptic diagram of the simulation result logging program of Fig. 3;
Fig. 8 is the workflow synoptic diagram of the simulation result display analysis program of Fig. 3.
Embodiment
See also shown in the accompanying drawing 1,2 and further specify hardware system of the present invention, electrical control unit of automatic transmission 1 of the present invention is connected with conversion interface circuit 3 by its interface circuit 2, conversion interface circuit 3 is connected with industrial computer switching value input-output card 6, ECU (Electrical Control Unit) 1 also is connected with V/F voltage frequency conversioning circuit 5 with analog quantity change-over circuit 4 by its interface circuit 2, and analog quantity change-over circuit 4 is connected with industrial computer analog quantity input-output card 7 with V/F voltage frequency conversioning circuit 5; Throttle signal 10, fuel injection pressure signal 11 and oil temperature signal 12 are connected with electrical control unit of automatic transmission 1 by voltage signal Filtering Processing circuit 8, electrical control unit of automatic transmission 1 control pwm pulse modulation signal 16 is connected with output signal processing circuit 18, other has engine rotational speed signal 13, input shaft rotating speed signal 14 and output shaft tach signal 15 to be connected with electrical control unit of automatic transmission 1 by frequency signal treatment circuit 9, and electrical control unit of automatic transmission 1 gauge tap amount signal 17 is connected with output signal processing circuit 18.
See also shown in the accompanying drawing 3,4,5,6,7,8 and further specify software systems of the present invention, simulation process of the present invention is:
1) input simulation parameter 1;
2) beginning emulation 2;
3) start simulation test stand master control program 3;
4) start software and hardware interface routine 4;
5) start auto model program 5;
6) start software and hardware interface routine 3;
7) start simulation result logging program 6;
8) emulation finishes 7;
9) not, then return the 3rd) step 8;
10) start simulation result display analysis program 9.
Described input simulation parameter 1 comprises input whole-car parameters, engine parameter, initiation parameter, torque converter parameter and running environment parameter.
Described simulation test stand master control program 3, its job step is:
1) initialization of variable 311;
2) from integrated circuit board judgement gearshift position and in interface display 312;
3) whether default section valve opening-time and the speed of a motor vehicle-displacement course 313;
4) not, input dialogue frame 314;
5) judge simulation time and bar position whether correct 315;
6) not, prompting numerical range 316;
7) control state on the interface is set in order to avoid maloperation 317;
8) stop peripherals scanning 318;
9) whether adopt default car load engine torque converter parameter 319;
10) not, parameter input 320;
11) define arrays and deposit state parameter and assignment 321 in the simulation process;
12) emulation then or the people for stopping emulation function 322;
13) turn back to the 2nd) step 312.
Described software and hardware interface routine 4, its job step is:
1) opens equipment for the first time and obtain the handle 41 that digital quantity drives integrated circuit board;
2) obtain the gear 42 of current ECU (Electrical Control Unit) according to the output of ECU (Electrical Control Unit);
3) state 43 of demonstration solenoid valve on the interface;
4) obtain main oil gallery and locking oil pressure valve dutycycle and show 44 by the analog quantity input;
5) according to dutycycle decision output oil pressure 45;
6) signal of gathering from peripheral circuit shows (snowfield, motion, common, braking) 46;
7) throttle opening and the oily temperature that calculates is converted into magnitude of voltage 47.
Described auto model program 5, its job step is:
1) vehicle parameter 51 is set;
2) whether adopt default car load, engine and bending moment 52;
3) not, manually import 53;
4) whether adopt default initial parameter and running environment parameter and add the resistance brake hard 54;
5) not, manually import 55;
6) modelling 56.
Described simulation result logging program 6, its job step is:
1) defines arrays and deposit emulation parameter and initialization 61;
2) simulation process 62;
3) simulation status dynamic parameter record 63;
4) display graphics 64 whether;
5), record does not show 65;
6) according to recording drawing 66.
Described simulation result display analysis program 9, its job step is:
1) demonstration of simulation result: gearshift position demonstration 91, solenoid valve state demonstration 92, the demonstration 93 of locking on-position and emulation dynamic process show 94;
2) emulation whether then or the people for stopping 95;
3) not, turn back to the 1st) step 96;
4) show simulation figure and result 97.
Claims (8)
1, a kind of simulative testing bench for electrical control unit of automatic transmission of automobile, it is characterized in that: electrical control unit of automatic transmission is connected with conversion interface circuit by its interface circuit, conversion interface circuit and industrial computer switching value input and output card connection, ECU (Electrical Control Unit) also is connected analog quantity change-over circuit and V/F voltage frequency conversioning circuit and industrial computer analog quantity input and output card connection by its interface circuit with the V/F voltage frequency conversioning circuit with the analog quantity change-over circuit.
2, a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 1, it is characterized in that: throttle signal, fuel injection pressure signal is connected with electrical control unit of automatic transmission by voltage signal Filtering Processing circuit with oil temperature signal, electrical control unit of automatic transmission control pwm pulse modulation signal is connected with output signal processing circuit, other has engine rotational speed signal, input shaft rotating speed signal is connected with electrical control unit of automatic transmission by the frequency signal treatment circuit with the output shaft tach signal, and electrical control unit of automatic transmission gauge tap amount signal is connected with output signal processing circuit.
3, the emulation mode of a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 1 is characterized in that: this simulation process is:
1) input simulation parameter;
2) beginning emulation;
3) start the simulation test stand master control program;
4) start the software and hardware interface routine;
5) start the auto model program;
6) start the software and hardware interface routine;
7) start the simulation result logging program;
8) emulation finishes;
9) not, then return the 3rd) step;
10) start simulation result display analysis program.
4, the emulation mode of a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 3 is characterized in that: described simulation test stand master control program, and its job step is:
1) initialization of variable;
2) from integrated circuit board judgement gearshift position and in interface display;
3) whether default section valve opening-time and the speed of a motor vehicle-displacement course;
4) not, input dialogue frame;
5) judge whether simulation time and bar position be correct;
6) not, prompting numerical range;
7) control state on the interface is set in order to avoid maloperation;
8) stop peripherals scanning;
9) whether adopt default car load engine torque converter parameter;
10) not, parameter input;
11) define arrays and deposit state parameter and assignment in the simulation process;
12) emulation then or the people for stopping the emulation function;
13) turn back to the 2nd) step.
5, the emulation mode of a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 3 is characterized in that: described software and hardware interface routine, and its job step is:
1) opens equipment for the first time and obtain the handle that digital quantity drives integrated circuit board;
2) obtain the gear of current ECU (Electrical Control Unit) according to the output of ECU (Electrical Control Unit);
3) state of demonstration solenoid valve on the interface;
4) obtain main oil gallery and locking oil pressure valve dutycycle and demonstration by the analog quantity input;
5) according to dutycycle decision output oil pressure;
6) signal of gathering from peripheral circuit shows;
7) throttle opening and the oily temperature that calculates is converted into magnitude of voltage.
6, the emulation mode of a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 3 is characterized in that: described auto model program, and its job step is:
1) vehicle parameter is set;
2) whether adopt default car load, engine and bending moment;
3) not, the artificial input;
4) whether adopt default initial parameter and running environment parameter and add the resistance brake hard;
5) not, the artificial input;
6) modelling.
7, the emulation mode of a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 3 is characterized in that: described simulation result logging program, and its job step is:
1) defines arrays and deposit emulation parameter and initialization;
2) simulation process;
3) simulation status dynamic parameter record;
4) display graphics whether;
5), record does not show;
6) according to recording drawing.
8, the emulation mode of a kind of simulative testing bench for electrical control unit of automatic transmission of automobile according to claim 3 is characterized in that: described simulation result display analysis program, and its job step is:
1) demonstration of simulation result: gearshift position shows, the solenoid valve state shows, the locking on-position shows and the emulation dynamic process shows;
2) emulation whether then or the people for stopping;
3) not, turn back to the 1st) step;
4) show simulation figure and result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100270839A CN100465826C (en) | 2006-05-30 | 2006-05-30 | Simulative testing bench for electrical control unit of automatic transmission of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100270839A CN100465826C (en) | 2006-05-30 | 2006-05-30 | Simulative testing bench for electrical control unit of automatic transmission of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1866141A true CN1866141A (en) | 2006-11-22 |
| CN100465826C CN100465826C (en) | 2009-03-04 |
Family
ID=37425187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100270839A Expired - Fee Related CN100465826C (en) | 2006-05-30 | 2006-05-30 | Simulative testing bench for electrical control unit of automatic transmission of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100465826C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507179A (en) * | 2011-09-30 | 2012-06-20 | 长城汽车股份有限公司 | Gear change testing system of AMT (Automatic Mechanical Transmission) speed changer |
| CN101611357B (en) * | 2006-12-22 | 2013-04-17 | 里卡多英国有限公司 | Method of simulating engine operation |
| CN110426199A (en) * | 2019-08-07 | 2019-11-08 | 广东交通职业技术学院 | A kind of detection device of electric automobile gear device performance |
| CN114326439A (en) * | 2021-12-31 | 2022-04-12 | 中国第一汽车股份有限公司 | Automatic transmission virtual calibration model real-time and virtual calibration method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2340557C (en) * | 2000-03-14 | 2004-05-25 | Honda Giken Kogyo Kabushiki Kaisha | Simulator for automatic vehicle transmission controllers |
-
2006
- 2006-05-30 CN CNB2006100270839A patent/CN100465826C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101611357B (en) * | 2006-12-22 | 2013-04-17 | 里卡多英国有限公司 | Method of simulating engine operation |
| CN102507179A (en) * | 2011-09-30 | 2012-06-20 | 长城汽车股份有限公司 | Gear change testing system of AMT (Automatic Mechanical Transmission) speed changer |
| CN102507179B (en) * | 2011-09-30 | 2014-07-30 | 长城汽车股份有限公司 | Gear change testing system of AMT (Automatic Mechanical Transmission) speed changer |
| CN110426199A (en) * | 2019-08-07 | 2019-11-08 | 广东交通职业技术学院 | A kind of detection device of electric automobile gear device performance |
| CN114326439A (en) * | 2021-12-31 | 2022-04-12 | 中国第一汽车股份有限公司 | Automatic transmission virtual calibration model real-time and virtual calibration method |
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| Publication number | Publication date |
|---|---|
| CN100465826C (en) | 2009-03-04 |
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Granted publication date: 20090304 Termination date: 20110530 |