CN103994894B - A kind of platform for electric vehicle experiments based on AMT and function realizing method thereof - Google Patents
A kind of platform for electric vehicle experiments based on AMT and function realizing method thereof Download PDFInfo
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- CN103994894B CN103994894B CN201410236262.8A CN201410236262A CN103994894B CN 103994894 B CN103994894 B CN 103994894B CN 201410236262 A CN201410236262 A CN 201410236262A CN 103994894 B CN103994894 B CN 103994894B
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Abstract
The present invention relates to a kind of platform for electric vehicle experiments based on AMT and function realizing method thereof, it is characterized in that: platform for electric vehicle experiments comprises the analogue system connected by CAN, power system, loading system, brake system and information acquisition system, analogue system is according to the duty parameter Dynamic simulation program of input, and the road conditions signal of generation and travel condition of vehicle signal are transferred to power system by CAN, loading system and brake system, power system provides power for vehicle, the operating mode that loading system and brake system simulating vehicle run, the running state information of information acquisition system collection vehicle also transfers to analogue system, judged whether to stop simulated program by analogue system.Experiment porch of the present invention truly can reflect the performance of electric automobile under actual condition being equipped with AMT, overcomes the shortcoming in the traditional research method based on software emulation.The present invention can be widely used in the R&D process of electric automobile.
Description
Technical field
The present invention relates to a kind of experiment porch and function realizing method thereof, particularly about one based on the platform for electric vehicle experiments of AMT (AutomatedMechanicalTransmission, machine automatization formula variator) and function realizing method thereof.
Background technology
Along with the progress of science and technology, the development of society, oil and environment become the focus that current people pay close attention to.Electric automobile consumes with its oil zero, the feature of driving process zero-emission can reasonable alleviation problem of environmental pollution, and electric automobile is subject to people's attention just gradually.The method of tradition research electric automobile is based on software simulation emulation, and arrange desirable simulated conditions and limited degree of confidence, the condition set by this research method and actual conditions may have bigger difference; If adopt the method for repacking traditional vehicle to study, need to drop into a large amount of man power and materials, and the R&D cycle is very long.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of with actual condition closer to and the high platform for electric vehicle experiments based on AMT of degree of confidence and function realizing method thereof.
For achieving the above object, the present invention takes following technical scheme: a kind of platform for electric vehicle experiments based on AMT, is characterized in that: it comprises analogue system, power system, loading system, brake system, information acquisition system and CAN, described analogue system, power system, loading system, all connected by described CAN between brake system and information acquisition system, described analogue system is according to the duty parameter Dynamic simulation program of input, and road conditions signal emulation produced and travel condition of vehicle signal transfer to described power system by described CAN, loading system and brake system, described power system according to the road conditions signal received and travel condition of vehicle signal for vehicle provides power, the operating mode that described loading system and brake system simulating vehicle run, the running state information of described information acquisition system collection vehicle also transfers to described analogue system by described CAN, judged whether to stop simulated program by described analogue system.
Described analogue system comprises host computer and industrial computer, the travel condition of vehicle information transmission that described information acquisition system gathers is to described industrial computer, described industrial computer will receive travel condition of vehicle information and emulation duty parameter carry out process integration after, Dynamic simulation program also exports road conditions signal and travel condition of vehicle signal, and road conditions signal and the travel condition of vehicle signal of output transfer to described power system, loading system and brake system respectively; Described power system comprises power battery management system, electrokinetic cell, drive motor, drive motor controller, AMT casing, semiaxis, flying wheel, AMT controller and AMT shift-selecting and changing actuating mechanism; Whether described power battery management system is too low for judging the SOC of described electrokinetic cell, and described electrokinetic cell is that described drive motor is powered, and described drive motor controller controls described drive motor and provides power to described power system; Described drive motor by described AMT casing and semiaxis by power transmission to described flying wheel, the inertia of described flying wheel simulation car load; Described AMT controller sends shifting instruction according to travel condition of vehicle and controls described AMT shift-selecting and changing actuating mechanism and change to best gear; Described loading system comprises charger controller and charger, according to the road conditions signal received and travel condition of vehicle signal, described charger controller controls described charger and apply pressure on described flying wheel, the running resistance in simulated automotive driving process; Described brake system comprises brake monitor and detent, and described brake monitor receives by described CAN the action electric signal that described power system exports, and controls described detent according to the action electric signal received and brake; Described information acquisition system comprises 100Nm torque sensor, 1000Nm torque sensor, AMT OSS, accelerator pedal and brake pedal; Described 100Nm torque sensor, 1000Nm torque sensor and AMT OSS gather output speed and torque, the output shaft rotating speed of AMT casing and the output shaft rotating speed of torque and AMT casing of described drive motor respectively, and collection result all being transferred to described AMT controller, the output shaft rotating speed of described AMT casing received and the output speed of described drive motor contrast by described AMT controller; Described accelerator pedal and brake pedal convert the action of driver to action electric signal respectively and transfer to described AMT controller.
All connected by described CAN between described industrial computer, power battery management system, drive motor controller, AMT controller, charger controller and brake monitor.
A described function realizing method based on the pure electric automobile experiment porch of AMT, it comprises the following steps: 1) by the human-computer interaction interface input traffic information of host computer; 2) driver is by controlling accelerator pedal and brake pedal, simulates actual driving cycles; 3) traffic information of input is transferred to industrial computer by host computer, industrial computer Dynamic simulation program, and send road conditions signal and travel condition of vehicle signal by CAN respectively to drive motor controller, AMT controller, charger controller and brake monitor; 4) power battery management system judges that whether the SOC value of electrokinetic cell is lower than the secure threshold preset, if the SOC value of electrokinetic cell 22 is lower than secure threshold, then experiment porch is out of service; Otherwise experiment porch continues to run; 5) according to the road conditions signal that receives and travel condition of vehicle signal and the control strategy formulated separately, AMT controller and brake monitor be control AMT shift-selecting and changing actuating mechanism and detent independently; According to the road conditions signal received and travel condition of vehicle signal, charger controller controls charger; According to driving or braking requirement, drive motor controller controls drive motor action; 6) the 100Nm torque sensor in information acquisition system, 1000Nm torque sensor and AMT output shaft sensor carry out signals collecting respectively, and the signal collected all is transferred to AMT controller, AMT controller by CAN by Signal transmissions to industrial computer; 7) by host computer monitoring driver experiment porch whether out of service, if monitor driver's experiment porch out of service, then experiment porch is out of service, otherwise returns step 2).
Described step 5) in, two parameter Shifting comprises: first, input speed of a motor vehicle u, the aperture α of accelerator pedal and the SOC value of battery, and judges that whether the SOC value of battery is higher than critical value SOC
0if, higher than the SOC value of battery higher than critical value SOC
0, then the rate of change d α/dt of accelerator pedal aperture is judged; Otherwise, according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out economy gearshift; Secondly, according to the threshold value of the accelerator pedal aperture rate of change preset, judge the rate of change d α/dt of accelerator pedal aperture, if accelerator pedal aperture rate of change d α/dt is greater than the threshold value of accelerator pedal aperture rate of change, then according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out dynamic property gearshift; Otherwise, according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out economy gearshift; Finally, according to the speed of a motor vehicle, electronic throttle aperture, electronic throttle aperture rate of change, brake pedal aperture and the gradient five parameter Shifting preset, judge whether shifting gears, if gearshift, the shifting commands then sent according to AMT controller is shifted gears, otherwise, terminate gearshift.
Described step 5) in, regenerative braking strategy comprises: first, the aperture β of input brake pedal and the SOC value of battery, and judges that whether the SOC value of battery is higher than critical value SOC
1if the SOC value of battery is higher than critical value SOC
1, then do not carry out regenerative braking, carry out mechanical braking by brake monitor control brake; Otherwise, judge the braking mode of electric automobile further; Secondly, according to the aperture β of brake pedal, the braking mode of electric automobile is judged; If carry out sliding brake function, then control drive motor by drive motor controller and brake, drive motor changes into braking mode and carries out Brake energy recovery, and the braking energy of recovery is stored in electrokinetic cell through drive motor controller; If carry out mild or moderate braking, then undertaken braking and recovering energy by drive motor in vehicle deceleration process, during parking, pass through brake; If carry out brake hard, carry out mechanical braking by brake monitor control brake.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, experiment porch of the present invention comprises the analogue system connected by CAN, power system, loading system, brake system and information acquisition system, analogue system is according to the duty parameter Dynamic simulation program of input, and road conditions signal emulation produced and travel condition of vehicle Signal transmissions are to power system, loading system and brake system, power system provides power for vehicle, the operating mode that loading system and brake system simulating vehicle run, the running state information of information acquisition system collection vehicle also transfers to analogue system, judged whether to stop simulated program by analogue system, therefore operating condition of the present invention and actual condition closer to, and the degree of confidence of test result is higher.2, the present invention owing to arranging host computer and industrial computer in analogue system, man-machine interaction is carried out by host computer, by industrial computer cooperation control power system, loading system, brake system and information acquisition system, adopt experiment porch of the present invention can carry out detailed test and study to the reliability of the strategies such as gearshift and regenerative braking and AMT system.3, experiment porch of the present invention is adopted can to obtain being equipped with the performance of electric automobile under actual condition of AMT in real time, thus the Recent Progresses In The Development of soft and hardware in quickening electric automobile, save R&D costs, therefore the using value of the present invention in electric automobile research and development is high.Based on above advantage, the present invention can be widely used in the research and development of electric automobile.
Accompanying drawing explanation
Fig. 1 is the structural representation of the platform for electric vehicle experiments based on AMT of the present invention
Fig. 2 is the function realizing method process flow diagram of the platform for electric vehicle experiments based on AMT of the present invention
Fig. 3 is gearshift control strategy process flow diagram
Fig. 4 is feedback control strategy process flow diagram
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the platform for electric vehicle experiments that the present invention is based on AMT comprises analogue system 1, power system 2, loading system 3, brake system 4, information acquisition system 5 and CAN 6.Analogue system 1, power system 2, loading system 3, all to be connected by CAN 6 between brake system 4 and information acquisition system 5.Analogue system 1 is according to the duty parameter Dynamic simulation program of input, and road conditions signal emulation produced and travel condition of vehicle signal transfer to power system 2, loading system 3 and brake system 4 by CAN 6, power system 2 according to the road conditions signal received and travel condition of vehicle signal for vehicle provides power, the operating mode that loading system 3 and brake system 4 simulating vehicle run, the running state information of information acquisition system 5 collection vehicle also transfers to analogue system 1 by CAN 6, is judged whether to stop simulated program by analogue system 1.
In above-described embodiment, as shown in Figure 1, analogue system 1 comprises host computer 11 and industrial computer 12.Emulation duty parameter is set by host computer 11 and transfers to industrial computer 12, the travel condition of vehicle information transmission that information acquisition system 5 gathers is to industrial computer 12, industrial computer 12 will receive travel condition of vehicle information and emulation duty parameter carry out process integration after, Dynamic simulation program also exports road conditions signal and travel condition of vehicle signal, and the road conditions signal of output and travel condition of vehicle signal transfer to power system 2, loading system 3 and brake system 4 respectively.
Power system 2 comprises power battery management system 21, electrokinetic cell 22, drive motor 23, drive motor controller 24, AMT casing 25, semiaxis 26, flying wheel 27, AMT controller 28 and AMT shift-selecting and changing actuating mechanism 29.Power battery management system 21 is for judging the SOC (StateofCharge of electrokinetic cell 22, battery charge state) whether too low, electrokinetic cell 22 is powered for drive motor 23, and drive motor controller 24 controls drive motor 23 and provides power to power system 2; Drive motor 23 by AMT casing 25 and semiaxis 26 by power transmission to flying wheel 27, flying wheel 27 simulates the inertia of car load; AMT controller 28 sends shifting instruction control AMT shift-selecting and changing actuating mechanism 29 according to travel condition of vehicle and changes to best gear, thus makes vehicle keep good dynamic property and economy.
Loading system 3 comprises charger controller 31 and charger 32.According to the road conditions signal exported by industrial computer 12 received and travel condition of vehicle signal, charger controller 31 controlled loading device 32 applies certain pressure thus produces friction force, with the running resistance in simulated automotive driving process on flying wheel 27.
Brake system 4 comprises brake monitor 41 and detent 42.Brake monitor 41 receives the action electric signal of power system 2 output by CAN 6, and brakes according to the action electric signal control brake 42 received.
Information acquisition system 5 comprises 100Nm torque sensor 51,1000Nm torque sensor 52, AMT OSS 53, accelerator pedal 54 and brake pedal 55.100Nm torque sensor 51,1000Nm torque sensor 52 and AMT OSS 53 gather output speed and torque, the output shaft rotating speed of AMT casing 25 and the output shaft rotating speed of torque and AMT casing 25 of drive motor 23 respectively, and collection result is all transferred to AMT controller 28, the output shaft rotating speed of the AMT casing 25 received and the output speed of drive motor 23 contrast, for testing the accuracy of AMT OSS 53 by AMT controller 28.Accelerator pedal 54 and brake pedal 55 convert the action of driver to electric signal respectively and transfer to AMT controller 28.
In above-described embodiment, as shown in Figure 1, industrial computer 12 in analogue system 1, power battery management system 21 in power system 2, drive motor controller 24 and AMT controller 28, all connected, for information transmission by CAN 6 between charger controller 31 in loading system 3 and the brake monitor 41 in brake system 4.
Setting vehicle operational mode is: electric automobile on straight, calm, good bituminous highway successively through starting, accelerate, at the uniform velocity, braking deceleration and parking five processes.The course of work that the present invention is based on the pure electric automobile experiment porch of AMT is:
After experiment porch of the present invention starts, by the human-computer interaction interface input traffic information of host computer 11, the traffic information of input is transferred to industrial computer 12 by host computer 11.Industrial computer 12 is according to receiving traffic information, and bring into operation simulated program.
Driver's drive simulating, bend the throttle 54, makes electric automobile start to walk.Power battery management system 21 judges that whether the SOC value of electrokinetic cell 22 is too low; If SOC is too low, then experiment porch of the present invention is out of service; Otherwise continue to run, electric automobile is in the starting stage.
Electrokinetic cell 22 powers to drive motor 23, and drive motor 23 drives flying wheel 27 to rotate by AMT casing 25 and semiaxis 26 under the control of drive motor controller 24; Meanwhile, according to traffic information and electric automobile running status, charger controller 31 calculates the power needing to load, and the friction force that controlled loading device 32 is certain on flying wheel 27.In starting-up process, the speed of a motor vehicle rises gradually, and electric automobile is in boost phase.
According to aperture and the speed of a motor vehicle of accelerator pedal 54, AMT controller 28 exports upshift command, and control AMT shift-selecting and changing actuating mechanism 29 carries out upshift action, makes AMT casing 25 remain on a suitable gear; When actual vehicle speed reaches speed of a motor vehicle predetermined value, keep the aperture of accelerator pedal 54 constant, electric motor car is remained a constant speed motion.
Release the gas pedal 54, gently step on brake pedal 55, now according to the aperture of brake pedal 55, brake monitor 41 judges that braking mode is mild or moderate braking, brake monitor 41 first sends brake signal to drive motor controller 24, and drive motor controller 24 controls drive motor 23 and carries out regenerative braking.When the speed of a motor vehicle is lower than certain value, brake monitor 41 sends brake signal to detent 43, and detent 9 is braked according to the brake signal received, and electric automobile is stopped.In moderating process, AMT controller 28 exports down shift demand, and control AMT shift-selecting and changing actuating mechanism 29 carries out downshift action, makes AMT casing 25 remain on a suitable gear.
Electric automobile cuts out experiment porch of the present invention after stopping.
In the above whole course of work, each signal required for sensor Real-time Collection is also transferred to corresponding controller, communication is kept by CAN 6 moment between each controller and industrial computer 12, industrial computer 12 gathers all information received, process sends corresponding steering order to each controller after integrating, pass to host computer 11, the human-computer interaction interface of host computer 11 shows vehicle operating information in real time simultaneously.
As shown in Figure 2, a kind of function realizing method of the pure electric automobile experiment porch based on AMT, it comprises the following steps:
1) by the human-computer interaction interface input traffic information of host computer 11.
2) driver is by controlling accelerator pedal 54 and brake pedal 55, simulates actual driving cycles.
3) traffic information of input is transferred to industrial computer 12 by host computer 11, industrial computer 12 Dynamic simulation program, and send road conditions signal and travel condition of vehicle signal by CAN 6 respectively to drive motor controller 24, AMT controller 28, charger controller 31 and brake monitor 41.
4) power battery management system 21 judges that whether the SOC value of electrokinetic cell 22 is lower than the secure threshold preset, if the SOC value of electrokinetic cell 22 is lower than secure threshold, then experiment porch of the present invention is out of service; Otherwise experiment porch of the present invention continues to run.
5) according to the control strategy of the road conditions signal that receives and travel condition of vehicle signal and AMT controller 28, AMT controller 28 control AMT shift-selecting and changing actuating mechanism 29, its control procedure is: whether AMT controller 28 judges shifting gears, if do not shifted gears, then performs step 6); If gearshift, then AMT controller 28 control AMT shift-selecting and changing actuating mechanism 29 carries out AMT gearshift.
According to the control strategy of the road conditions signal received and travel condition of vehicle signal and brake monitor 41, the action of brake monitor 41 control brake 43, its control procedure is: whether brake monitor 41 judges braking, if do not braked, then performs step 6); If braking, then brake monitor 41 control brake 43 action.
According to the road conditions signal received and travel condition of vehicle signal, charger controller 31 pairs of chargers 32 control, its control procedure is: charger controller 31 judges whether changing loading, if do not change loading, then performs step 6); Load if changed, then charger controller 31 controlled loading device 32 applies certain pressure thus produces friction force, with the running resistance in simulated automotive driving process.
According to driving or braking requirement, drive motor controller 24 controls drive motor 23 action, and its control procedure is: drive motor controller 24 judges it is that enough changes export, if do not change output, then performs step 6); Export if changed, then the tuning knob that drive motor controller 24 controls drive motor 23 carries out speed governing.
6) the 100Nm torque sensor 51 in information acquisition system 5,1000Nm torque sensor 52 and AMT output shaft sensor 53 carry out signals collecting respectively, and the signal collected all is transferred to AMT controller 28, AMT controller 28 by CAN 6 by Signal transmissions to industrial computer 12.
7) monitor driver's experiment porch whether out of service by host computer 11, if monitor driver's experiment porch out of service, then experiment porch is out of service, otherwise returns step 2).
Above-mentioned steps 5) in, control strategy comprises two parameter Shifting and regenerative braking strategy.
As shown in Figure 3, two parameter Shifting comprises:
First, input speed of a motor vehicle u, the aperture α of accelerator pedal and the SOC value of battery, and judge that whether the SOC value of battery is higher than critical value SOC
0if, higher than the SOC value of battery higher than critical value SOC
0, then the rate of change d α/dt of accelerator pedal aperture is judged; Otherwise, according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out economy gearshift.
Secondly, according to the threshold value of the accelerator pedal aperture rate of change preset, judge the rate of change d α/dt of accelerator pedal aperture, if accelerator pedal aperture rate of change d α/dt is greater than the threshold value of accelerator pedal aperture rate of change, then according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out dynamic property gearshift; Otherwise, according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out economy gearshift.
Finally, according to the speed of a motor vehicle, electronic throttle aperture, electronic throttle aperture rate of change, brake pedal aperture and the gradient five parameter Shifting preset, judge whether shifting gears, if gearshift, the shifting commands then sent according to AMT controller 28 is shifted gears, otherwise, terminate gearshift.
As shown in Figure 4, regenerative braking strategy comprises:
First, the aperture β of input brake pedal 55 and the SOC value of battery, and judge that whether the SOC value of battery is higher than critical value SOC
1if the SOC value of battery is higher than critical value SOC
1, then do not carry out regenerative braking, carry out mechanical braking by brake monitor 41 control brake 43; Otherwise, judge the braking mode of electric automobile further.
Secondly, according to the aperture β of brake pedal 55, the braking mode of electric automobile is judged; If carry out sliding brake function, then control drive motor 23 by drive motor controller 24 and brake, drive motor 23 changes into braking mode and carries out Brake energy recovery, and the braking energy of recovery is stored in electrokinetic cell 22 through drive motor controller 24; If carry out mild or moderate braking, then undertaken braking and recovering energy by drive motor 23 in vehicle deceleration process, braked by detent 43 during parking; If carry out brake hard, for ensureing safety, carry out mechanical braking by brake monitor 41 control brake 43.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and method step etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (5)
1. based on a platform for electric vehicle experiments of AMT, it is characterized in that: it comprises analogue system, power system, loading system, brake system, information acquisition system and CAN, described analogue system, power system, loading system, all connected by described CAN between brake system and information acquisition system, described analogue system is according to the duty parameter Dynamic simulation program of input, and road conditions signal emulation produced and travel condition of vehicle signal transfer to described power system by described CAN, loading system and brake system, described power system according to the road conditions signal received and travel condition of vehicle signal for vehicle provides power, the operating mode that described loading system and brake system simulating vehicle run, the running state information of described information acquisition system collection vehicle also transfers to described analogue system by described CAN, judged whether to stop simulated program by described analogue system,
Described analogue system comprises host computer and industrial computer, the travel condition of vehicle information transmission that described information acquisition system gathers is to described industrial computer, described industrial computer will receive travel condition of vehicle information and emulation duty parameter carry out process integration after, Dynamic simulation program also exports road conditions signal and travel condition of vehicle signal, and road conditions signal and the travel condition of vehicle signal of output transfer to described power system, loading system and brake system respectively;
Described power system comprises power battery management system, electrokinetic cell, drive motor, drive motor controller, AMT casing, semiaxis, flying wheel, AMT controller and AMT shift-selecting and changing actuating mechanism; Whether described power battery management system is too low for judging the SOC of described electrokinetic cell, and described electrokinetic cell is that described drive motor is powered, and described drive motor controller controls described drive motor and provides power to described power system; Described drive motor by described AMT casing and semiaxis by power transmission to described flying wheel, the inertia of described flying wheel simulation car load; Described AMT controller sends shifting instruction according to travel condition of vehicle and controls described AMT shift-selecting and changing actuating mechanism and change to best gear;
Described loading system comprises charger controller and charger, according to the road conditions signal received and travel condition of vehicle signal, described charger controller controls described charger and apply pressure on described flying wheel, the running resistance in simulated automotive driving process;
Described brake system comprises brake monitor and detent, and described brake monitor receives by described CAN the action electric signal that described power system exports, and controls described detent according to the action electric signal received and brake;
Described information acquisition system comprises 100Nm torque sensor, 1000Nm torque sensor, AMT OSS, accelerator pedal and brake pedal; Described 100Nm torque sensor, 1000Nm torque sensor and AMT OSS gather output speed and torque, the output shaft rotating speed of AMT casing and the output shaft rotating speed of torque and AMT casing of described drive motor respectively, and collection result all being transferred to described AMT controller, the output shaft rotating speed of described AMT casing received and the output speed of described drive motor contrast by described AMT controller; Described accelerator pedal and brake pedal convert the action of driver to action electric signal respectively and transfer to described AMT controller.
2. a kind of platform for electric vehicle experiments based on AMT as claimed in claim 1, be is characterized in that: all connected by described CAN between described industrial computer, power battery management system, drive motor controller, AMT controller, charger controller and brake monitor.
3. a function realizing method for the platform for electric vehicle experiments based on AMT as described in any one of claim 1 ~ 2, it comprises the following steps:
1) by the human-computer interaction interface input traffic information of host computer;
2) driver is by controlling accelerator pedal and brake pedal, simulates actual driving cycles;
3) traffic information of input is transferred to industrial computer by host computer, industrial computer Dynamic simulation program, and send road conditions signal and travel condition of vehicle signal by CAN respectively to drive motor controller, AMT controller, charger controller and brake monitor;
4) power battery management system judges that whether the SOC value of electrokinetic cell is lower than the secure threshold preset, if the SOC value of electrokinetic cell is lower than secure threshold, then experiment porch is out of service; Otherwise experiment porch continues to run;
5) according to the road conditions signal that receives and travel condition of vehicle signal and the control strategy formulated separately, AMT controller and brake monitor be control AMT shift-selecting and changing actuating mechanism and detent independently; According to the road conditions signal received and travel condition of vehicle signal, charger controller controls charger; According to driving or braking requirement, drive motor controller controls drive motor action; Described control strategy comprises two parameter Shifting and regenerative braking strategy;
6) the 100Nm torque sensor in information acquisition system, 1000Nm torque sensor and AMT output shaft sensor carry out signals collecting respectively, and the signal collected all is transferred to AMT controller, AMT controller by CAN by Signal transmissions to industrial computer;
7) by host computer monitoring driver experiment porch whether out of service, if monitor driver's experiment porch out of service, then experiment porch is out of service, otherwise returns step 2).
4. the function realizing method of a kind of platform for electric vehicle experiments based on AMT as claimed in claim 3, is characterized in that: described step 5) in, two parameter Shifting comprises:
First, input speed of a motor vehicle u, the aperture α of accelerator pedal and the SOC value of battery, and judge that whether the SOC value of battery is higher than critical value SOC
0if the SOC value of battery is higher than critical value SOC
0, then the rate of change d α/dt of accelerator pedal aperture is judged; Otherwise, according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out economy gearshift;
Secondly, according to the threshold value of the accelerator pedal aperture rate of change preset, judge the rate of change d α/dt of accelerator pedal aperture, if accelerator pedal aperture rate of change d α/dt is greater than the threshold value of accelerator pedal aperture rate of change, then according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out dynamic property gearshift; Otherwise, according to the aperture α of speed of a motor vehicle u and accelerator pedal, carry out economy gearshift;
Finally, according to the speed of a motor vehicle, electronic throttle aperture, electronic throttle aperture rate of change, brake pedal aperture and the gradient five parameter Shifting preset, judge whether shifting gears, if gearshift, the shifting commands then sent according to AMT controller is shifted gears, otherwise, terminate gearshift.
5. the function realizing method of a kind of platform for electric vehicle experiments based on AMT as described in claim 3 or 4, is characterized in that: described step 5) in, regenerative braking strategy comprises:
First, the aperture β of input brake pedal and the SOC value of battery, and judge that whether the SOC value of battery is higher than critical value SOC
1if the SOC value of battery is higher than critical value SOC
1, then do not carry out regenerative braking, carry out mechanical braking by brake monitor control brake; Otherwise, judge the braking mode of electric automobile further;
Secondly, according to the aperture β of brake pedal, the braking mode of electric automobile is judged; If carry out sliding brake function, then control drive motor by drive motor controller and brake, drive motor changes into braking mode and carries out Brake energy recovery, and the braking energy of recovery is stored in electrokinetic cell through drive motor controller; If carry out mild or moderate braking, then undertaken braking and recovering energy by drive motor in vehicle deceleration process, during parking, pass through brake; If carry out brake hard, carry out mechanical braking by brake monitor control brake.
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Families Citing this family (4)
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| US9989963B2 (en) * | 2016-02-25 | 2018-06-05 | Ford Global Technologies, Llc | Autonomous confidence control |
| CN106427838A (en) * | 2016-12-05 | 2017-02-22 | 深圳市凯斯诚电子科技有限公司 | System and method for intelligent control of multistage automatic speed changing of electric vehicle |
| CN109426691B (en) * | 2017-09-01 | 2023-07-04 | 长城汽车股份有限公司 | Vehicle moving part simulation method and simulation system |
| CN115129093B (en) * | 2022-06-20 | 2024-03-15 | 中国第一汽车股份有限公司 | Temperature control method, temperature control device and storage medium for power assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153829A (en) * | 2006-09-27 | 2008-04-02 | 谢新茂 | System for testing drive control of electric car |
| CN101701877A (en) * | 2009-12-02 | 2010-05-05 | 中国汽车技术研究中心 | ABS brake and motor feedback brake cooperative control strategy test stand for electric vehicle |
| CN103308325A (en) * | 2013-06-26 | 2013-09-18 | 东莞中山大学研究院 | Driving system semi-physical simulation platform of electric automobile |
-
2014
- 2014-05-30 CN CN201410236262.8A patent/CN103994894B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153829A (en) * | 2006-09-27 | 2008-04-02 | 谢新茂 | System for testing drive control of electric car |
| CN101701877A (en) * | 2009-12-02 | 2010-05-05 | 中国汽车技术研究中心 | ABS brake and motor feedback brake cooperative control strategy test stand for electric vehicle |
| CN103308325A (en) * | 2013-06-26 | 2013-09-18 | 东莞中山大学研究院 | Driving system semi-physical simulation platform of electric automobile |
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| CN103994894A (en) | 2014-08-20 |
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