CN101968630B - Simulation test bed for automatic gearbox controller - Google Patents

Simulation test bed for automatic gearbox controller Download PDF

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Publication number
CN101968630B
CN101968630B CN201010283827XA CN201010283827A CN101968630B CN 101968630 B CN101968630 B CN 101968630B CN 201010283827X A CN201010283827X A CN 201010283827XA CN 201010283827 A CN201010283827 A CN 201010283827A CN 101968630 B CN101968630 B CN 101968630B
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real
target machine
box
signal
host
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CN201010283827XA
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CN101968630A (en
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李君�
谢先平
梅近仁
潘书澜
李淑英
陈思远
王振锁
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联合汽车电子有限公司
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Abstract

The invention discloses a simulation test bed for an automatic gearbox controller. The test bed comprises a host computer, a real-time object machine, a signal generating and measuring part, an engine electric controller and a plurality of electromagnetic valves, wherein the host computer, the real-time object machine, the engine electric controller and the electromagnetic valves are connected with the signal generating and measuring part respectively; the host computer downloads a simulation model of an automatic transmission vehicle dynamic assembly to the real-time object machine; an engine model, an automatic gearbox model and a whole vehicle dynamic model are integrated in the simulation model of the automatic transmission vehicle dynamic assembly; the simulation model of the automatic transmission vehicle dynamic assembly contains hardware-in-the-loop of the gearbox controller and hardware-in-the-loop of the engine electric controller to form a virtual vehicle gearbox controllerdevelop simulation platform close to a real vehicle, can greatly improve the developing test efficiency of the gearbox controller under a condition of ensuring the software quality of the gearbox controller. The invention also discloses a method for establishing the simulation model of the automatic transmission vehicle dynamic assembly.

Description

Automatic gear-box controller simulation testing table

Technical field

The present invention relates to the automotive development measuring technology, particularly a kind of automatic gear-box controller simulation testing table.

Background technology

Automatic gearbox of vehicles (AT) relates to multidisciplinary fields such as machinery, hydraulic pressure, electronics and control; Its work operating mode is very complicated, and high to security requirement, has brought gearbox control (TCU thus; Transmission Control Unit) complicacy of design: gearbox control designs from system architecture; The exploitation of individual feature, test to integrated, system testing of software and demarcation, need a long-term process.In the gearbox control software development flow; Usually--modeling and simulation--the way of code generation--software is integrated---test of taking conceptual design; For testing the functional module of passing through or need improved gearbox control software, need repeat above-mentioned performance history.Gearbox control software function module for more complicated; Owing to can't in actual environment, carry out emulation; Defective in conceptual design and the modeling can't in time be found; There is defective in the gearbox control software that causes generating, thereby causes the frequent upgrading of gearbox control software, has reduced gearbox control software development quality and efficient.This type of defective generally will be found by actual road test, wastes time and energy, and has strengthened cost of development, has extended the construction cycle.This external gearbox control exploitation is early stage, generally also will lean on a large amount of actual road tests to grope control law, needs the human and material resources of labor, and all these cause the automatic gear-box controller construction cycle very long.

But utilize the validity of emulation technology access control strategy and can find the defective that controller software exists in early days, improve software development quality, accelerate development progress.The off-line simulation mode is adopted in gearbox control system emulation more in the prior art; The only a few hardware-in-loop simulation also is the real-time simulation of simple variable-speed case controller hardware; Model is fairly simple, can not accurately simulate the wheel box duty, and can't constitute the completed power system with engine mockup; Gearbox control can't and engine electronic control unit (ECU; Engine Control Unit) carry out real-time communication, l-G simulation test environment imperfection can not satisfy product gearbox control development requires.

Summary of the invention

The technical matters that the present invention will solve provides a kind of automatic gear-box controller simulation testing table; Can be under the situation that guarantees the gearbox control software development quality; Improve the development& testing efficient of gearbox control greatly, shorten the construction cycle, reduce cost of development and risk.

For solving the problems of the technologies described above, automatic gear-box controller simulation testing table of the present invention comprises a host, a real-time target machine, a signal generation and measurement component, a Motronic control maps controller, a plurality of solenoid valve;

Said host is provided with fluid drive vehicle engine assembly realistic model, said host's function input simulated conditions; Said host takes place to link to each other with measurement component with said real-time target machine, signal through network; Said host is sent to said real-time target machine, signal generation and measurement component with the simulated conditions that is provided with, and said fluid drive vehicle engine assembly realistic model is downloaded to said real-time target machine;

Said host receives the simulation run object information of the said realistic model in the said real-time target machine, said signal the electric current with the detected said a plurality of solenoid valves of measurement component takes place, and shows or files;

Said signal takes place to link to each other with said host, real-time target machine, Motronic control maps controller, solenoid valve respectively with measurement component; Be used to detect the controlled quentity controlled variable of the electric current of said a plurality of solenoid valves, the output of said Motronic control maps controller; And receive the relevant tach signal of the said realistic model output in the said target machine; And send the electric current of said a plurality of solenoid valves, said Motronic control maps controller controlled quentity controlled variable in the said real-time target machine fluid drive vehicle engine assembly realistic model and said host, and convert said tach signal and said simulated conditions into corresponding actual physics signal corresponding gearbox control and the said Motronic control maps controller given;

Fluid drive vehicle engine assembly realistic model in the said real-time target machine is used for the electric current according to said simulated conditions, said a plurality of solenoid valves, said engine controller controls amount; Calculation engine, wheel box and vehicle operation state, the relevant tach signal of output is to said signal generation and measurement component and said host;

Said fluid drive vehicle engine assembly realistic model comprises engine mockup, fluid drive box model, Full Vehicle Dynamics model; Said engine mockup is according to said simulated conditions, said Motronic control maps controller controlled quentity controlled variable; The calculation engine moment of torsion also outputs it to said fluid drive box model; Said fluid drive box model calculates the said tach signal of output according to the duty of the electric current of said engine torque, said a plurality of solenoid valves, said simulated conditions and said Full Vehicle Dynamics model;

Said Motronic control maps controller receives said signal relevant actual physics signal that transmits with measurement component and the wheel box work state information that gearbox control sends takes place, and exports controlled quentity controlled variable, and to gearbox control transmission engine condition information;

Gearbox control is exported the solenoid control signal based on said actual physics signal and engine condition information, and output variable speed case work state information;

Said a plurality of solenoid valve is carried out corresponding action according to said solenoid control signal.

Said host takes place to link to each other with measurement component with said real-time target machine and said signal through Ethernet; Said Motronic control maps controller is communicated by letter with gearbox control through the CAN bus; Said host is provided with Labcar EE software; Said host and said real-time target machine and said signal take place to carry out exchanges data with measurement component through Ethernet and Labcar EE software; Host downloads to the vehicle engine assembly realistic model in the said real-time target machine through Labcar EE software and carries out the simulated conditions setting, and reads the simulation run object information of the vehicle engine assembly realistic model in the said real-time target machine through Labcar EE software.

The simulated conditions of said input comprises gear, throttle opening, braking, mode switch, TOT Transmission Oil Temperature, road grade;

Said fluid drive box model comprises automatic gear-box hydraulic system model, automatic gear-box machine driven system model; Said automatic gear-box machine driven system model comprises fluid torque-converter model, lock-up clutch model, planetary gear gear train model;

Said Full Vehicle Dynamics model comprises transmission shaft model, main reducing gear model, differential mechanism model, tire model;

Said signal takes place to comprise D/A integrated circuit board, A/D integrated circuit board, I/O integrated circuit board, pwm signal generator integrated circuit board, arbitrarily signal generating device integrated circuit board, current acquisition integrated circuit board with measurement component;

Said tach signal comprises engine speed, output shaft of gear-box rotating speed, secondary speed;

The controlled quentity controlled variable of said Motronic control maps controller output comprises injection time, ignition angle.

Automatic gear-box controller simulation testing table of the present invention can also comprise a calibrated and calculated machine, and said calibrated and calculated machine connects gearbox control through network, and said calibrated and calculated machine is used for gearbox control operation related data is write down and analyzes.

Said calibrated and calculated machine connects gearbox control through Ethernet, and said calibrated and calculated machine is provided with INCA software, and said calibrated and calculated machine writes down and analyzes gearbox control operation related data through INCA software.

Said calibrated and calculated machine and said host use a computing machine respectively or use same computing machine.

Automatic gear-box controller simulation testing table of the present invention; Can also comprise a Bypass principal computer, a Bypass target machine; Said Bypass principal computer is communicated by letter with the Bypass target machine through network; Said Bypass principal computer is used to develop new functional module, generating code and with its online downloading in the said Bypass target machine, and new functional module is moved with real-time mode in said Bypass target machine; The Bypass target machine is used for gearbox control communication; The gearbox control program is when running to the appointed function module; The redirect of gearbox control program removes to carry out the corresponding function module in the Bypass target machine; As current operation result, replace specifying in the gearbox control operation result of functional module with the corresponding function module result of calculation in the Bypass target machine.

With the communication of Bypass target machine, said Bypass principal computer can use a computing machine respectively with said host to said Bypass principal computer, also can use same computing machine through Ethernet.

Said Bypass principal computer is provided with ASCET software, and said Bypass principal computer is through ASCET software systematic function module.

For solving the problems of the technologies described above, the present invention also provides a kind of realistic model method for building up, may further comprise the steps:

One. utilize AMESIM software to set up automatic gear-box and Full Vehicle Dynamics off-line simulation model; Utilize Labcar gasoline engine model GEVM model to make up engine mockup;

Two. utilize real vehicle or bench test data that automatic gear-box and Full Vehicle Dynamics off-line simulation model are verified, checking through after be the fixed step size Real-Time Model with said automatic gear-box and Full Vehicle Dynamics off-line simulation model optimization;

Three. the real-time code systematic function that utilizes AMESIM software to provide converts said fixed step size Real-Time Model into real-time simulation code that real-time target machine can move;

Four. in the Simulink environment,, fluid drive box model, Full Vehicle Dynamics model and said engine mockup are integrated, constitute fluid drive vehicle engine assembly realistic model through the real-time simulation code file of the above-mentioned generation of S function call.

Automatic gear-box controller simulation testing table of the present invention; Integrated engine model, fluid drive box model, Full Vehicle Dynamics model in fluid drive vehicle engine assembly realistic model; Be that a perfect automatic gear-box controller hardware is at the ring real-time simulation platform; Not only comprised the gearbox control hardware-in-loop simulation, but also comprised the Motronic control maps controller hardware, really the simulated engine duty in ring emulation; For the fluid drive box model provides the engine torque that approaches real vehicles input; Motronic control maps controller and gearbox control can carry out real-time CAN communication simultaneously, and be identical with the course of work of gearbox control on real vehicle, constituted the virtual vehicle gearbox control exploitation emulation platform that approaches real vehicle.On this gearbox control simulation test stand, can under the situation that guarantees the gearbox control software development quality, improve the development& testing efficient of gearbox control greatly, shorten the construction cycle, reduce cost of development and risk.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.

Fig. 1 is automatic gear-box controller simulation testing table one an embodiment synoptic diagram of the present invention;

Fig. 2 is one 4 fast automatic gear-box structural representations;

Fig. 3 is a fluid drive box model synoptic diagram.

Embodiment

Automatic gear-box controller simulation testing table one embodiment of the present invention is as shown in Figure 1, comprises a host, a real-time target machine, a signal generation and measurement component, a Motronic control maps controller, a plurality of solenoid valve, a calibrated and calculated machine, a Bypass principal computer, a Bypass target machine;

Said host is provided with Labcar EE software, and (Labcar EE software is that a kind of simulated environment of the Labcar of being used for real-time simulation platform is provided with software; Through it be connected network host and target machine and can carry out data interaction; Can carry out that model is downloaded, simulated conditions setting and simulation result read and show), fluid drive vehicle engine assembly realistic model, said simulated conditions comprises gear, throttle opening, braking, gearbox oil temperature, mode switch, road grade etc.; Said host takes place to link to each other with measurement component with said real-time target machine, signal through Ethernet; Said host downloads to said real-time target machine through Labcar EE software and Ethernet with fluid drive vehicle engine assembly realistic model; And carry out the simulated conditions setting, receive the fluid drive vehicle engine assembly realistic model simulation result information in the said real-time target machine simultaneously; Said host sends the simulated conditions that is provided with to said signal generation and measurement component and receives said signal and takes place and the detected electromagnetic valve current of measurement component; Said host shows simulation run object informations such as the electric current of said solenoid valve, said tach signal or files with figure or numerical value form;

Said signal takes place to link to each other with said host, real-time target machine, Motronic control maps controller, solenoid valve respectively with measurement component; Be used for detecting the relevant tach signal of the said realistic model output of the electric current of said a plurality of solenoid valves, the controlled quentity controlled variable of said Motronic control maps controller output, said target machine; And send the electric current of said a plurality of solenoid valves, said Motronic control maps controller controlled quentity controlled variable in the said real-time target machine fluid drive vehicle engine assembly realistic model and said host, and convert said tach signal and said simulated conditions into corresponding actual physics signal defeated corresponding gearbox control and the said Motronic control maps controller given; Said signal takes place can adopt ES4100 with measurement component; ES4100 is that a signal of Labcar real-time simulation platform takes place and measurement component; It includes multiple integrated circuit boards such as D/A integrated circuit board, I/O integrated circuit board, pwm signal generator integrated circuit board, arbitrarily signal generating device integrated circuit board, A/D integrated circuit board, current acquisition integrated circuit board; Can simulation produce multiple signal, and can measure multiple signal;

Fluid drive vehicle engine assembly realistic model in the said real-time target machine is used for the electric current according to said simulated conditions, said a plurality of solenoid valves, said Motronic control maps controller controlled quentity controlled variable; Simulation calculation engine, automatic gear-box and vehicle operation state, relevant tach signals such as output engine speed, secondary speed and output shaft of gear-box rotating speed are to said signal generation and measurement component and said host; Said Motronic control maps controller controlled quentity controlled variable comprises each cylinder injection time of engine, ignition angle etc.;

Said fluid drive vehicle engine assembly realistic model comprises engine mockup, fluid drive box model, Full Vehicle Dynamics model; Said engine mockup is according to said simulated conditions, said Motronic control maps controller controlled quentity controlled variable; The calculation engine moment of torsion also outputs it to said fluid drive box model; Said fluid drive box model is according to the duty of the electric current of said engine torque, said a plurality of solenoid valves, said simulated conditions and said Full Vehicle Dynamics model; Calculate the pressure and the torque of relevant clutch/brake, calculate the said tach signal of output then in view of the above once more;

Said fluid drive box model comprises automatic gear-box hydraulic system model, automatic gear-box machine driven system model; Said automatic gear-box machine driven system model comprises fluid torque-converter model, lock-up clutch model, planetary gear gear train model etc.; Said Full Vehicle Dynamics model comprises transmission shaft model, main reducing gear model, differential mechanism model, tire model etc.;

Said Motronic control maps controller; Receive said signal the relevant actual physics signal that transmits with measurement component takes place; Receive the wheel box work state information that gearbox control sends; Export controlled quentity controlled variable and take place and measurement component to said signal, and export engine behavior information to gearbox control, said Motronic control maps controller passes through the CAN bus with gearbox control communication;

Gearbox control is based on said actual physics signal and engine condition information; Solenoid control signal according to the output of the control program inside it; Control said a plurality of solenoid valve and carry out corresponding operation, said a plurality of solenoid valves are carried out corresponding action according to the solenoid control signal of gearbox control output; Gearbox control sends the wheel box work state information to the Motronic control maps controller;

Said calibrated and calculated machine connects gearbox control through Ethernet; Said calibrated and calculated machine is provided with INCA software; Said calibrated and calculated machine writes down and analyzes gearbox control operation related data through INCA software, can demarcate the relevant controlled variable of controller simultaneously;

Said Bypass principal computer is communicated by letter with said Bypass target machine through Ethernet; Said Bypass target machine communicates through Ethernet and gearbox control; Said Bypass host computer constitutes Bypass system (the Bypass system is a bypass rapid prototype development system) with said Bypass target machine, is used for the rapid prototype development of gearbox control software.Said Bypass principal computer is used to develop new functional module, generating code and with its online downloading in the said Bypass target machine, and new functional module is moved with real-time mode in said Bypass target machine; The Bypass system can change wheel box director demon executive mode; The gearbox control program is when running to the appointed function module; The redirect of gearbox control program removes to carry out the corresponding function module in the Bypass target machine; As current operation result, needing in the gearbox control to replace the operation result of improved appointed function module with the corresponding function module result of calculation in the Bypass target machine, realize the bypass rapid prototype development.

Said Bypass principal computer is provided with ASCET software (ASCET is a kind of senior modeling and automatic code developing instrument), and said Bypass principal computer is through ASCET software-development function module; Said Bypass target machine can adopt ES1000 equipment.

Said calibrated and calculated machine, said Bypass principal computer can shared computing machines with said host.

Said fluid drive vehicle engine assembly realistic model is used for the duty of simulated engine, automatic gear-box and car load.Said engine mockup can adopt Labcar gasoline engine model GEVM model to make up; On its engine mockup basis; Dispose according to real engine; The model correlation parameter is configured and Motronic control maps controller formation virtual engine analogue system, for the fluid drive box model provides the engine torque input signal close with real vehicle.

Said fluid drive box model is an analytic target with shown in Figure 24 fast automatic gear-box structural representations, carries out modeling analysis.Wheel box has 3 gear shift sleeves (low-speed clutch UD, overrunning cluth OD, reverse clutch REV); 2 detent (low reverse gear brake LR; 2-4 shelves detent 2ND) and an one-way clutch OWC, through different clutch and detent combination, can form 4 forward gears (D1~D4) retreat shelves (R) with one; The gearbox gear-shift logic state table is as shown in table 1, and (o representes to engage o *Engage during expression low speed).Except that reverse clutch, the pressure of each clutch/brake is controlled by a PWM (pulse-length modulation) switch electromagnetic valve.Through the state switching of control electromagnetic valve and the dutycycle of solenoid valve, just can change the oil pressure on each clutch/brake, realize the gear-change operation of automatic gear-box.

Table 1

Fluid drive box model bag hydraulic system model and machine driven system model two parts; Its model is very complicated, adopt conventional method to be difficult to accurate modeling, and its Model Calculation amount is very big; Under the fixed step size emulation mode for making model convergence; Simulation step length needs less than 0.01ms usually, and this has exceeded the arithmetic capability of real-time target machine, therefore need carry out particular processing for the exploitation of fluid drive box model.

As a preferred embodiment, adopt system modelling software AMESIM to develop fluid drive box model and Full Vehicle Dynamics model.AMESIM provides the modeling pattern of module level, and modeling efficiency is high, has multiple common component module model, has good resolution ability for complication system modelings such as hydraulic pressure, machinery, electromagnetism.Automatic gear-box and Full Vehicle Dynamics model based on AMESIM are as shown in Figure 3; Automatic gear-box hydraulic system model, fluid torque-converter model, lock-up clutch model and planetary gear gear train model have been set up; Also have transmission shaft model, main reducing gear model, differential mechanism model, tire model etc.; Automatic gear-box hydraulic system model utilizes various hydraulic modules to build according to the actual formation of wheel box hydraulic system, and automatic gear-box machine driven system model is built through planetary gear gear train module.The input of fluid drive box model comprises engine torque, outside vehicle running environment (road grade; Damping force), the controlled pressure of each clutch/brake; Wherein engine torque is provided by engine mockup, and clutch pressure obtains after being calculated through automatic gear-box hydraulic system model conversion by electromagnetic valve current; Output mainly comprises the rotating speed and the torque of each drive disk assembly, like engine speed, secondary speed, output shaft of gear-box rotating speed etc.

Utilize real vehicle or bench test data that automatic gear-box and Full Vehicle Dynamics off-line simulation model are verified then; Checking through after be the fixed step size Real-Time Model with said automatic gear-box and Full Vehicle Dynamics off-line simulation model optimization; The real-time code systematic function that utilizes AMESIM software to provide again converts said fixed step size Real-Time Model into real-time simulation code that said real-time target parts can move; The last real-time simulation code file of in the Simulink environment, passing through the above-mentioned generation of S function call integrates fluid drive box model, Full Vehicle Dynamics model and said engine mockup, constitutes fluid drive vehicle engine assembly realistic model.

The above-mentioned automatic gear-box controller simulation testing table course of work is following: said fluid drive vehicle engine assembly realistic model is downloaded among the real-time target machine RTPC through Labcar EE software and Ethernet by host; Target machine RTPC also accepts the simulated conditions from the host setting through network in real time simultaneously; Like gear signal (PRND32L gear), brake, the gentle road of gear box oil ramp etc.; Also have in addition through signal and take place and detected each electromagnetic valve current of measurement component ES4100, Motronic control maps controller each cylinder injection time and ignition angle; Fluid drive vehicle engine assembly realistic model is carried out real-time operation, give signal generation and measurement component ES4100 fluid drive vehicle engine assembly realistic model operation result such as signals such as engine speed, output shaft of gear-box rotating speed.Signal generation and measurement component ES4100 are except that receiving above-mentioned signal; Also receive the simulated conditions of setting by host such as gear signal, throttle opening and brake; Utilize its D/A integrated circuit board that comprises, arbitrarily signal generating device and I/O integrated circuit board, convert them to corresponding actual physics signal and corresponding Motronic control maps controller and the gearbox control given.Engine mockup in Motronic control maps controller and the said fluid drive vehicle engine assembly realistic model constitutes the engine dummy emulation system; Produce engine torque; As the input of the fluid drive box model moment of torsion in the said fluid drive vehicle engine assembly realistic model, carry out communication through the CAN bus between Motronic control maps controller and the gearbox control simultaneously.The engine behavior information that actual physics signal that the gearbox control acknowledge(ment) signal takes place and measurement component ES4100 produces and Motronic control maps controller send; According to gearbox control software program wherein; Send the control corresponding instruction, control electromagnetic valve is carried out corresponding action.Electromagnetic valve current takes place and the detection of measurement component ES4100 current acquisition integrated circuit board through signal; Again be sent to said fluid drive vehicle engine assembly realistic model; Be used to calculate the pressure and the torque of relevant clutch/brake; The fluid drive box model is calculation engine rotating speed, secondary speed and output shaft of gear-box rotating speed etc. once more in view of the above, so just and gearbox control constituted the closed-loop simulation system.Fluid drive vehicle engine assembly realistic model operation result correlated variables can upload in the host through Ethernet among the target machine RTPC in real time; In Labcar EE environment, show in real time with figure or numerical value form; Very visual in image, be convenient to observe the model emulation result.

Gearbox control connects the calibrated and calculated machine through Ethernet simultaneously, and gearbox control operation related data can write down and analyze through the INCA software in the calibrated and calculated machine, also can carry out data scaling simultaneously.The calibrated and calculated machine can with the shared computing machine of host.

The software of gearbox control is through other rapid prototyping system-Bypass system development; The Bypass system comprises Bypass principal computer and the ASCET that develops software, Bypass target machine ES1000; ASCET software is contained on the Bypass principal computer, the Bypass principal computer can with the shared computing machine of host.At first utilize the Bypass system to realize the bypass rapid prototype development of the new functional module of wheel box Control Software; Through wheel box hardware-in-loop simulation testing table software function module newly developed is carried out on-line testing simultaneously; If test result does not meet expection; Can carry out online modification to functional module,, realize the quick exploitation of wheel box control function software until meeting the demands.

Automatic gear-box controller simulation testing table of the present invention; Integrated engine model, fluid drive box model, Full Vehicle Dynamics model in fluid drive vehicle engine assembly realistic model; Be that a perfect automatic gear-box controller hardware is at the ring real-time simulation platform; Not only comprised the gearbox control hardware-in-loop simulation, but also comprised the Motronic control maps controller hardware, really the simulated engine duty in ring emulation; For the fluid drive box model provides the engine torque that approaches real vehicles input; Motronic control maps controller and gearbox control can carry out real-time CAN communication simultaneously, and be identical with the course of work of gearbox control on real vehicle, constituted the virtual vehicle gearbox control exploitation emulation platform that approaches real vehicle.

On this gearbox control simulation test stand; In conjunction with the Bypass system, can carry out online development& testing to the software function module of gearbox control, in time pinpoint the problems and online improvement; Meet the demands up to function;------test---improved development approach that software is integrated can be improved the degree of ripeness at software development initial stage to traditional relatively modeling and simulation greatly, improves the gearbox control software development efficiency in the code generation.

On this gearbox control simulation test stand; Through simulated conditions is set; The wheel box special operation condition that on real vehicle, is difficult for testing also can simulate and test easily; Like the simulation and the test of fault operating mode, limiting condition and complicated road environment, test is free from risk, and can greatly improve test safety and efficient.

On this gearbox control simulation test stand, can carry out gearbox control software and demarcate in advance, reduce to mate cost, improve matching efficiency.

On this gearbox control simulation test stand; Application Labcar Automation testing software writes test script, and (Labcar Automation is a kind of automatic testing software; Be written as test script through testing operating mode, can realize the robotization of testing) gearbox control be can carry out and antenatal hardware, software automatic test and durable test etc. criticized, can greatly improve testing efficiency; Reduce testing cost, shorten the gearbox control construction cycle.

Claims (9)

1. an automatic gear-box controller simulation testing table is characterized in that, comprises a host, a real-time target machine, a signal generation and measurement component, a Motronic control maps controller, a plurality of solenoid valve;
Said host is provided with fluid drive vehicle engine assembly realistic model, said host's function input simulated conditions; Said host takes place to link to each other with measurement component with said real-time target machine, signal through network; Said host is sent to said real-time target machine, signal generation and measurement component with the simulated conditions that is provided with, and said fluid drive vehicle engine assembly realistic model is downloaded to said real-time target machine;
Said host receives the simulation run object information of the said realistic model in the said real-time target machine, said signal the electric current with the detected said a plurality of solenoid valves of measurement component takes place, and shows or files;
Said signal takes place to link to each other with said host, real-time target machine, Motronic control maps controller, solenoid valve respectively with measurement component; Be used to detect the controlled quentity controlled variable of the electric current of said a plurality of solenoid valves, the output of said Motronic control maps controller; And receive the relevant tach signal of the said realistic model output in the said target machine; And send the electric current of said a plurality of solenoid valves, said Motronic control maps controller controlled quentity controlled variable in the said real-time target machine fluid drive vehicle engine assembly realistic model and said host, and convert said tach signal and said simulated conditions into corresponding actual physics signal corresponding gearbox control and the said Motronic control maps controller given;
Fluid drive vehicle engine assembly realistic model in the said real-time target machine is used for the electric current according to said simulated conditions, said a plurality of solenoid valves, said engine controller controls amount; Calculation engine, wheel box and vehicle operation state, the relevant tach signal of output is to said signal generation and measurement component and said host;
Said fluid drive vehicle engine assembly realistic model comprises engine mockup, fluid drive box model, Full Vehicle Dynamics model; Said engine mockup is according to said simulated conditions, said Motronic control maps controller controlled quentity controlled variable; The calculation engine moment of torsion also outputs it to said fluid drive box model; Said fluid drive box model calculates the said tach signal of output according to the duty of the electric current of said engine torque, said a plurality of solenoid valves, said simulated conditions and said Full Vehicle Dynamics model;
Said Motronic control maps controller receives said signal relevant actual physics signal that transmits with measurement component and the wheel box work state information that gearbox control sends takes place, and exports controlled quentity controlled variable, and to gearbox control transmission engine condition information;
Gearbox control is exported the solenoid control signal based on said actual physics signal and engine condition information, and output variable speed case work state information;
Said a plurality of solenoid valve is carried out corresponding action according to said solenoid control signal.
2. automatic gear-box controller simulation testing table according to claim 1 is characterized in that, said host takes place to link to each other with measurement component with said real-time target machine and said signal through Ethernet; Said Motronic control maps controller is communicated by letter with gearbox control through the CAN bus; Said host is provided with Labcar EE software; Said host and said real-time target machine and said signal take place to carry out exchanges data with measurement component through Ethernet and Labcar EE software; Host downloads to the vehicle engine assembly realistic model in the said real-time target machine through LabcarEE software and carries out the simulated conditions setting, and reads the simulation run object information of the vehicle engine assembly realistic model in the said real-time target machine through Labcar EE software.
3. automatic gear-box controller simulation testing table according to claim 1 is characterized in that,
The simulated conditions of said input comprises gear, throttle opening, braking, mode switch, TOT Transmission Oil Temperature, road grade;
Said fluid drive box model comprises automatic gear-box hydraulic system model, automatic gear-box machine driven system model; Said automatic gear-box machine driven system model comprises fluid torque-converter model, lock-up clutch model, planetary gear gear train model;
Said Full Vehicle Dynamics model comprises transmission shaft model, main reducing gear model, differential mechanism model, tire model;
Said signal takes place to comprise D/A integrated circuit board, A/D integrated circuit board, I/O integrated circuit board, pwm signal generator integrated circuit board, arbitrarily signal generating device integrated circuit board, current acquisition integrated circuit board with measurement component;
Said tach signal comprises engine speed, output shaft of gear-box rotating speed, secondary speed;
The controlled quentity controlled variable of said Motronic control maps controller output comprises injection time, ignition angle.
4. automatic gear-box controller simulation testing table according to claim 1; It is characterized in that; Also comprise a calibrated and calculated machine, said calibrated and calculated machine connects gearbox control through network, and said calibrated and calculated machine is used for gearbox control operation related data is write down and analyzes.
5. automatic gear-box controller simulation testing table according to claim 4; It is characterized in that; Said calibrated and calculated machine connects gearbox control through Ethernet; Said calibrated and calculated machine is provided with INCA software, and said calibrated and calculated machine writes down and analyzes gearbox control operation related data through INCA software.
6. automatic gear-box controller simulation testing table according to claim 4 is characterized in that, said calibrated and calculated machine and said host use a computing machine respectively or use same computing machine.
7. automatic gear-box controller simulation testing table according to claim 1; It is characterized in that; Also comprise a Bypass principal computer, a Bypass target machine, said Bypass principal computer is communicated by letter with the Bypass target machine through network, and said Bypass principal computer is used to develop new functional module; Generating code and with its online downloading in the said Bypass target machine, new functional module is moved with real-time mode in said Bypass target machine; The Bypass target machine is used for gearbox control communication; The gearbox control program is when running to the appointed function module; The redirect of gearbox control program removes to carry out the corresponding function module in the Bypass target machine; As current operation result, replace specifying in the gearbox control operation result of functional module with the corresponding function module result of calculation in the Bypass target machine.
8. automatic gear-box controller simulation testing table according to claim 7; It is characterized in that; With the communication of Bypass target machine, said Bypass principal computer uses a computing machine respectively or uses same computing machine with said host said Bypass principal computer through Ethernet.
9. automatic gear-box controller simulation testing table according to claim 7 is characterized in that said Bypass principal computer is provided with ASCET software, and said Bypass principal computer is through ASCET software systematic function module.
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