CN108107876A - Commercial car electric brake system hardware-in-the-loop test platform and test method based on TTC580 controllers - Google Patents
Commercial car electric brake system hardware-in-the-loop test platform and test method based on TTC580 controllers Download PDFInfo
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- CN108107876A CN108107876A CN201810082175.XA CN201810082175A CN108107876A CN 108107876 A CN108107876 A CN 108107876A CN 201810082175 A CN201810082175 A CN 201810082175A CN 108107876 A CN108107876 A CN 108107876A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
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Abstract
The present invention provides commercial car electric brake system hardware-in-the-loop test platforms and test method based on TTC580 controllers, the testing stand is made of source of the gas component, pneumatic test stand component, controller and host, and the testing stand gathers four brake chamber pressure signals and gas pedal opening amount signal by the analog acquisition passage of TTC580 controllers；Pass through the PWM output channels of TTC580 controllers bridge single channel module, two ABS solenoid valves of preceding bridge and rear axle two-channel modules output drive signal forward；Brake pedal opening amount signal and steering wheel angle signal are gathered by the digital data acquisition passage of TTC580 controllers；It is connected between the host and TTC580 controllers by Ethernet, realizes data transmission.Present invention accomplishes the requirement that commercial car electric brake system is quickly developed, and reduce the cost of hardware-in―the-loop test.
Description
Technical field
The invention belongs to automotive electronics braking system hardware-in―the-loop test technical fields, and specifically, the present invention relates to bases
In the commercial car electric brake system hardware-in-the-loop test platform and test method of TTC580 controllers.
Background technology
With the development of economy with the needs of traffic, the occupation rate of market of commercial car is gradually increasing, but due to commercial car
Manned cargo-carrying amount is larger, and the travel safety of commercial car is particularly important.In order to improve the security of commercial car, external vehicle
Manufacturer such as WABCO companies, BOSCH companies, Knorr companies propose commercial car electric brake system (Electronically
Braking System) concept, commercial car electric brake system gradually develops into current include from the ABS of first generation control
The complex control system of the control functions such as ABS controls, ASR controls, ESP controls, it greatly improves the traffic safeties of commercial car
Property.Since China is still at an early stage for commercial car electric brake system, commercial car electric brake system core technology is still
It so rests in external whole-car firm's hand, the accurate quick research and development of commercial car electric brake system are particularly significant for China.
Hardware-in-the-loop test platform has in the research and development of commercial car electric brake system to play a very important role, and is testing
Vehicle road test need not be carried out in journey, and commercial car electric brake system control strategy can be carried out real-time
Verification and evaluation can greatly save R＆D costs and shorten product development cycle, meet commercial car electric brake system
The accurate needs quickly researched and developed.But the current country is directed to the hardware-in-the-loop test of the research and development of commercial car electric brake system and verification
Taiwan investment material is less, can not meet the needs of to the quick exploitation of commercial car electric brake system and hardware-in―the-loop test；And mainstream
On Dspace companies of hardware-in-the-loop test platform generally use foreign countries, the controller platform of the companies such as NI companies production, hardware
Cost is higher with software cost, increases scientific research cost.
The content of the invention
Defect present in for the above-mentioned prior art, the present invention provides the commercial car electronics based on TTC580 controllers
Braking system hardware-in-the-loop test platform and test method to meet the requirement that commercial car electric brake system is quickly developed, and drop
The cost of low hardware-in―the-loop test.With reference to Figure of description, technical scheme is as follows：
Commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers is tried by source of the gas component A, air pressure
It tests platform component B, controller and host 31 to form, the controller is TTC580 controllers 30；
The pneumatic test stand component B is by gas pedal 8, steering wheel 10, the preceding bridge controlled by preceding bridge single channel module 16
Control for brake gas circuit, the preceding bridge control for brake gas circuit controlled by rear axle two-channel modules 17 and respectively with preceding bridge single channel mould
Block 16 and the brake pedal unit 11 of 17 gas circuit of rear axle two-channel modules control connection form；
The TTC580 controllers 30 by PWM output channels respectively with preceding bridge single channel module 16, two ABS of preceding bridge
Solenoid valve and the connection of 17 signal of rear axle two-channel modules；
The TTC580 controllers 30 are four corresponding with four brake chambers respectively by analog acquisition access port
Pressure sensor and the connection of 7 signal of accelerator pedal displacement sensor；
The TTC580 controllers 30 by digital data acquisition access port respectively in brake pedal unit 11 integrate
Brake pedal aperture displacement sensor is connected with 9 signal of steering wheel angle sensor；
It is connected between the host 31 and TTC580 controllers 30 by Ethernet, realizes data transmission.
The source of the gas component A is made of air compressor 1 and drier 2, the gas outlet of the air compressor 1 and drying
The air inlet of device 2 is connected by pneumatic circuit, and the gas outlet of drier 2 is empty to the dry compression of pneumatic test stand component B outputs
Gas.
In the pneumatic test stand component B, the air inlet of four-loop protection valve 3 is connected with source of the gas component A, and four circuits are protected
One gas outlet of shield valve 3 is connected with the air inlet of the second gas receiver 4, another gas outlet and the air inlet of the first gas receiver 5
It is connected；
The gas outlet of first gas receiver 5 is stepped on by the first threeway 6 with preceding bridge single channel module air inlet 161 and braking respectively
The first air inlet of plate assembly 111 is connected, the first gas outlet of brake pedal unit 113 and preceding 163 phase of bridge single channel module control mouth
Even, two gas outlets of preceding bridge single channel module connect Qian Qiao both sides brake chamber, Qian Qiao both sides systems by ABS solenoid valves respectively
Take offence room air inlet at pressure sensor is installed respectively；
The gas outlet of second gas receiver 4 by the second threeway 12 respectively with the second air inlet of brake pedal unit 112 and
Three threeways 13 connect, and the other both ends of the 3rd threeway 13 are connected respectively with two air inlets of rear axle two-channel modules, and braking is stepped on
The second gas outlet of plate assembly 114 is connected with rear axle two-channel modules control mouth 174, two gas outlets point of rear axle two-channel modules
Not Lian Jie rear axle both sides brake chamber, pressure sensor is installed respectively at the air inlet of rear axle both sides brake chamber.
It is equipped with to establish commercial car whole vehicle model and commercial car electric brake system control plan inside the host 31
Software slightly.
The commercial car electric brake system control strategy is ABS control strategies, ESC control strategies or ASR control strategies.
The test method of commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers, the experiment
Method is specific as follows：
First, the commercial car whole vehicle model established in host 31 and commercial car electric brake system to be tested are controlled into plan
It slightly downloads in TTC580 controllers 30；
Then, then testing crew manipulation direction disk 10, gas pedal 8 and the progress driver of brake pedal unit 11 are defeated
Enter；TTC580 controllers 30 gather steering wheel angle sensor 9 with analog acquisition passage by digital data acquisition passage and gather
To steering wheel angle signal, accelerator pedal displacement sensor 7 accelerator opening amount signal, the brake pedal unit 11 that collect gather
The brake pedal aperture number and brake pedal switch signal arrived, and it is transmitted to the vehicle of 30 internal operation of TTC580 controllers
Model, it is ensured that the normal operation of whole vehicle model；Commercial car deceleration of electrons control strategy in TTC580 controllers 30 is with vehicle mould
It the parameter of identification needed for the control strategy that type transmission comes and is collected by digital data acquisition passage and analog acquisition passage
The real-time pressure signal that four corresponding pressure sensors of wheel of driver's input signal and automobile collect is base
Plinth, calculating front and back wheel at this time by commercial car deceleration of electrons control-Strategy analysis needs to control the target pressure value reached,
And this target pressure value is converted into PWM drive signal by the PWM output channels of TTC580 controllers 30, it exports to preceding bridge list
The ABS solenoid valves of channel module 16, rear axle two-channel modules 17 and automobile front axle both sides, rationally press automobile front and back wheel
Power is adjusted, to reach closed-loop control purpose；
Finally, testing crew can check the real-time parameter curve of testing stand by host 31, so as to control strategy into
Row evaluation.
Compared with prior art, the beneficial effects of the present invention are：
1st, the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers uses
TTControl companies production TTC580 controllers to commercial car electric brake system control strategy carry out hardware-in―the-loop test with
Research and development, hardware-in-the-loop test platform is simple in structure, and cost is relatively low, and simulation accuracy is higher, and real-time is preferable.
2. the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers can be used
In the exploitation and verification of the control strategies such as ABS controls, ASR controls and the ESP controls in commercial car electric brake system, it is applicable in
Scope is wider.
3. the commercial car electric brake system hardware-in-the-loop test platform operation side of the present invention based on TTC580 controllers
Just, personnel needed for being tested are less, can greatly shorten the construction cycle of commercial car electric brake system, save research and development into
This.
4. air pressure in the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers
Testing stand front-rear axle valve group is based on the newest third generation electric brake system of existing market, can realize to third generation deceleration of electrons
The exploitation of control strategy hardware in loop and test of system, compensate for the domestic sky for being directed to third generation electric brake system testing stand
In vain.
5. data in the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers
Acquisition and valve group driving are using itself port of TTC580 controllers, and rat tail is less, simple in structure, and integrated level is high, can
To greatly reduce testing stand own cost.
Description of the drawings
Fig. 1 is the group of the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers
Into structure diagram；
Fig. 2 is the letter of the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers
Number conveying flow figure；
Fig. 3 is commercial car electric brake system hardware-in-the-loop test platform and examination of the present invention based on TTC580 controllers
The design principle logic chart of proved recipe method；
Fig. 4 be the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers in,
The air-path interface schematic diagram of preceding bridge single channel module；
Fig. 5 be the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers in,
The air-path interface schematic diagram of rear axle two-channel modules；
Fig. 6 be the commercial car electric brake system hardware-in-the-loop test platform of the present invention based on TTC580 controllers in,
The air-path interface schematic diagram of brake pedal unit；
In figure：
A. source of the gas component, B. pneumatic test stand components；
1. air compressor, 2. driers, 3. four-loop protection valves, 4. second gas receivers,
5. the first gas receiver, 6. first threeways, 7. accelerator pedal displacement sensors, 8. gas pedals,
9. steering wheel angle sensor, 10. steering wheels, 11. brake pedal units, 12. second threeways,
13. the 3rd threeway, 14. the oneth ABS solenoid valves, 15. the 2nd ABS solenoid valves, bridge single channel module before 16.,
17. rear axle two-channel modules, 18. off-front wheel brakes, brake chamber before 19. right sides, 20. first pressure sensors,
21. near front wheel brake, 22. left front brake chambers, 23. second pressure sensors, 24. off hind wheel brakes,
25. brake chamber behind the right side, 26. the 3rd pressure sensors, 27. left rear wheel brakes, 28. left back brake chambers,
29. the 4th pressure sensor, 30.TTC580 controllers, 31. hosts；
111. the first air inlet of brake pedal unit, 112. the second air inlets of brake pedal unit,
113. the first gas outlet of brake pedal unit, 114. the second gas outlets of brake pedal unit,
Bridge single channel module air inlet before 161., before 162. the first gas outlet of bridge single channel module,
Bridge single channel module control mouth before 163., before 164. the second gas outlet of bridge single channel module,
171. the first gas outlets of rear axle two-channel modules, 172. the first air inlets of rear axle two-channel modules,
173. the second gas outlets of rear axle two-channel modules, 174. rear axle two-channel modules control mouths,
The 3rd gas outlet of 175. rear axle two-channel modules, 176. the second air inlets of rear axle two-channel modules,
The 4th gas outlet of 177. rear axle two-channel modules.
Specific embodiment
For the technical solution that the present invention is further explained and its caused advantageous effect, with reference to Figure of description, this hair
Bright specific embodiment is as follows：
As shown in Figure 1, the present invention provides the commercial car electric brake system hardware in loop examinations based on TTC580 controllers
Platform is tested, the testing stand is made of source of the gas component A, pneumatic test stand component B, TTC580 controller 30 and host 31.
The source of the gas component A is made of air compressor 1 and drier 2.Wherein, the air compressor 1 selects piston
Formula air compressor can stablize externally output 1Mpa compressed airs；The gas outlet of the air compressor 1 and drier 2
Air inlet be connected by pneumatic circuit, the gas outlet of drier 2 outwards exports dry compressed air.
The pneumatic test stand component B includes four-loop protection valve 3, the second gas receiver 4, the first gas receiver 5, the first threeway
6th, accelerator pedal displacement sensor 7, gas pedal 8, steering wheel angle sensor 9, steering wheel 10, brake pedal unit 11,
Two threeways 12, the 3rd threeway 13, the first ABS solenoid valves 14, the 2nd ABS solenoid valves 15, preceding bridge single channel module 16, rear axle bilateral
Brake chamber 19, first pressure sensor 20, near front wheel brake 21, left front system before road module 17, off-front wheel brake 18, the right side
Take offence room 22, second pressure sensor 23, off hind wheel brake 24, it is right after brake chamber 25, the 3rd pressure sensor 26, left back
Take turns brake 27,28 and the 4th pressure sensor 29 of left back brake chamber.
Equipped with accelerator pedal displacement sensor 7, the effect of accelerator pedal displacement sensor 7 is for 8 inside of gas pedal
The pedal displacement of monitoring gas pedal 8 in real time, and externally export accelerator open degree displacement signal；Pedal displacement sensor 7 is externally defeated
The accelerator open degree displacement signal gone out is analog signal.
The lower part of the steering wheel 10 is equipped with steering wheel angle sensor 9, and the effect of steering wheel angle sensor 9 is real-time
The corner of monitoring direction disk 10, and externally outbound course disk angular signal；The steering wheel that steering wheel angle sensor 9 externally exports
Angular signal is digital PWM signal.
First threeway 6 is equipped with left end, right end and the interface of lower end three；Second threeway 12 is equipped with left end, right end
With the interface of upper end three；3rd threeway 13 is equipped with three upper end, lower end and left end interfaces.
The brake pedal unit 11 selects the brake pedal unit in the third generation EBS systems of WABCO companies production, institute
That states brake pedal unit 11 has been internally integrated brake pedal switch and brake pedal aperture displacement sensor, can be right respectively
Outer output brake pedal switch signal and brake pedal aperture pwm signal.As shown in fig. 6, the brake pedal unit 11 has
Two air inlets are the first air inlet of brake pedal unit 111 and the second air inlet of brake pedal unit 112 respectively, brake pedal
The tool of assembly 11 is the second gas outlet of the first gas outlet of brake pedal unit 113 and brake pedal unit respectively there are two gas outlet
114。
The preceding bridge single channel module 16 selects 4801067000 models in the third generation EBS systems that WABCO companies produce
Preceding bridge single channel module.As shown in figure 4, the preceding tool of bridge single channel module 16 is preceding bridge single channel module there are one air inlet
Air inlet 161；The preceding tool of bridge single channel module 16 is there are two gas outlet, 162 He of the first gas outlet of bridge single channel module before being respectively
Preceding the second gas outlet of bridge single channel module 164；It is preceding bridge list that preceding bridge single channel module 16, which also has there are one ambient pressure control mouth,
Channel module control mouth 163.
The rear axle two-channel modules 17 select 4801062000 models in the third generation EBS systems that WABCO companies produce
Rear axle two-channel modules.As shown in figure 5, the tool of rear axle two-channel modules 17 is there are two air inlet, it is respectively rear axle bilateral
The first air inlet of road module 172 and the second air inlet of rear axle two-channel modules 176；There are four outlets for the tool of rear axle two-channel modules 17
Mouthful, it is respectively the first gas outlet of rear axle two-channel modules 171, the second gas outlet of rear axle two-channel modules 173, rear axle binary channels mould
The 3rd gas outlet 175 of block and the 4th gas outlet 177 of rear axle two-channel modules；Rear axle two-channel modules 17 also have presses there are one extraneous
Power control mouth is rear axle two-channel modules control mouth 174；Wherein, the second gas outlet of rear axle two-channel modules 173 and rear axle bilateral
Module the 3rd gas outlet 175 in road is blocked by plug, not external output pressure.
Gas circuit connection relation in the pneumatic test stand component B is as follows：
The air inlet of the four-loop protection valve 3 is connected with the gas outlet of drier 2 by pneumatic circuit；Four loop protections
Valve 3 has there are four gas outlet, and two of which gas outlet blocks, in other two gas outlet, a gas outlet and the second gas receiver 4
Air inlet be connected by pneumatic circuit, another gas outlet is connected with the air inlet of the first gas receiver 5 by pneumatic circuit.
The gas outlet of first gas receiver 5 is connected with the right end of the first threeway 6 by pneumatic circuit, the second gas receiver 4
Gas outlet be connected with the upper end of the second threeway 12 with by pneumatic circuit.
The first air inlet of brake pedal unit 111 is connected with the lower end of the first threeway 6 by pneumatic circuit, and brake pedal is total
Be connected into the second air inlet 112 with the left end of the second threeway 12 by pneumatic circuit, the first gas outlet of brake pedal unit 113 with
The preceding bridge single channel module control mouth 163 of preceding bridge single channel module 16 is connected by pneumatic circuit, and brake pedal unit second goes out
Gas port 114 is connected with the rear axle two-channel modules control mouth 174 of rear axle two-channel modules 17 by pneumatic circuit.
The preceding bridge single channel module air inlet 161 is connected with the left end of the first threeway 6 by pneumatic circuit, preceding bridge single-pass
The first gas outlet of road module 162 is connected with the air inlet of the first ABS solenoid valves 14 by pneumatic circuit, preceding bridge single channel module
Two gas outlets 164 are connected with the air inlet of the 2nd ABS solenoid valves 15 by pneumatic circuit.
The gas outlet of the first ABS solenoid valves 14 is connected with the air inlet of brake chamber 19 before the right side by pneumatic circuit,
It is described it is right before brake chamber 19 be connected with off-front wheel brake 18 by bolt, enable the compressed air in brake chamber 19 before the right side
It is enough that off-front wheel brake 18 is carried out to build pressure；The off-front wheel brake 18 is commercial car disk brake, is braked in off-front wheel
Steel plate is accompanied between caliper in device 18, the effect of the steel plate is to ensure that off-front wheel brake 18 overcomes and steel plate after pressure is built
Between gap after can realize and build pressure；The first pressure sensor 20, can at the air inlet of brake chamber 19 before the right side
To monitor the gas pressure before the right side in brake chamber 19 in real time.
The gas outlet of the 2nd ABS solenoid valves 15 is connected with the air inlet of left front brake chamber 22 by pneumatic circuit,
The left front brake chamber 22 is connected near front wheel brake 21 by bolt, enables the compressed air in left front brake chamber 22
It is enough that near front wheel brake 21 is carried out to build pressure；Near front wheel brake 21 is commercial car disk brake, near front wheel brake 21
Steel plate is accompanied between interior caliper, the effect of the steel plate is to ensure that near front wheel brake 21 is overcome after pressure is built between steel plate
It can be realized behind gap and build pressure；The second pressure sensor 23 is located at the air inlet of left front brake chamber 22, can be real
When monitor gas pressure in left front brake chamber 22.
The left end of 3rd threeway 13 is connected with the right end of the second threeway 12 by pneumatic circuit；3rd threeway 13 it is upper
End is connected with first air inlet of rear axle two-channel modules 172 by pneumatic circuit, the lower end of the 3rd threeway 13 and Rear Double
The second air inlet of channel module 176 is connected by pneumatic circuit；
First gas outlet of rear axle two-channel modules 171 and the air inlet of brake chamber 25 behind the right side pass through pneumatic circuit phase
Even, it is described it is right after brake chamber 25 be connected with off hind wheel brake 24 by bolt, make the compression sky in brake chamber 25 behind the right side
Gas can carry out off hind wheel brake 24 to build pressure；Off hind wheel brake 24 is commercial car disk brake, is braked in off hind wheel
Steel plate is accompanied between caliper in device 24, the effect of the steel plate is to ensure that off hind wheel brake 24 overcomes and steel plate after pressure is built
Between gap after can realize and build pressure；3rd pressure sensor 26, can at the air inlet of brake chamber 25 behind the right side
To monitor the gas pressure behind the right side in brake chamber 25 in real time.
The 4th gas outlet 177 of rear axle two-channel modules is connected with the air inlet of left back brake chamber 28 by pneumatic circuit,
The left back brake chamber 28 is connected with left rear wheel brake 27 by bolt, enables the compressed air in left back brake chamber 28
It is enough that left rear wheel brake 27 is carried out to build pressure；Left rear wheel brake 27 is commercial car disk brake, in left rear wheel brake 27
Steel plate is accompanied between interior caliper, the effect of the steel plate is to ensure that left rear wheel brake 27 is overcome after pressure is built between steel plate
It can be realized behind gap and build pressure；4th pressure sensor 29 is located at the air inlet of left back brake chamber 28, can be real
When monitor gas pressure in left back brake chamber 28.
The TTC580 controllers 30 select the TTC580 model controllers of TTControl companies production, which is
A 32 8-digit microcontrollers based on the modern times, have 36 road PWM output channels, output frequency 0.1Hz-10kHx；And have
The Ethernet interface for having the I/O channel of 96 tunnel flexibly configurables and being downloaded for Fast Software.The TTC580 controls
Preceding 5 passages of the wherein I/O channel of 96 tunnel flexibly configurables are configured to five analog acquisitions by device 30 by software
Passage；TTC580 controllers 30 are by software by the 6th passage in the I/O channel of 96 tunnel flexibly configurables and the 7th
Passage is configured to two digital quantity acquisition channels.
First via PWM output channels in the TTC580 controllers 30 and the second road PWM output channels respectively with preceding bridge
Pressure charging valve driving end inside single channel module 16 is connected with pressure reducing valve driving end by electric wire；In TC580 controllers 30
Three road PWM output channels drive end with the 4th road PWM output channels and are subtracted with the pressure charging valve inside the first ABS solenoid valves 14 respectively
Pressure valve driving end is connected by electric wire；The 5th road PWM output channels and the 6th road PWM output channels in TC580 controllers 30
It is connected respectively with the pressure charging valve driving end inside the 2nd ABS solenoid valves 15 and pressure reducing valve driving end by electric wire；TC580 controllers
The 7th road PWM output channels in 30 and eight-path PWM output channel respectively with the increasing inside 17 left side of rear axle single channel module
Pressure valve drives end to be connected with pressure reducing valve driving end by electric wire；The 9th road PWM output channels and the tenth in TC580 controllers 30
Road PWM output channels pass through electricity with the pressure charging valve driving end inside 17 right side of rear axle single channel module and pressure reducing valve driving end respectively
Line is connected.Electric wire connects as shown in phantom in Figure 1.
The signal of first analog acquisition access port and the first baroceptor 20 in the TTC580 controllers 30
Output terminal is connected by electric wire；Second analog acquisition access port and the second baroceptor 23 in TTC580 controllers 30
Signal output part connected by electric wire；3rd analog acquisition access port and the 3rd air pressure transmission in TTC580 controllers 30
The signal output part of sensor 26 is connected by electric wire；4th analog acquisition access port and the 4th in TTC580 controllers 30
The signal output part of baroceptor 29 is connected by electric wire；5th analog acquisition access port in TTC580 controllers 30
It is connected with the signal output part of accelerator pedal displacement sensor 7 by electric wire.First digit in the TTC580 controllers 30
Amount acquisition channel port is connected with the pwm signal output terminal of brake pedal unit 11 by electric wire；In TTC580 controllers 30
Two-digit amount acquisition channel port is connected with the pwm signal output terminal of steering wheel angle sensor 9 by electric wire.Electric wire connects
As shown in phantom in Figure 1.
The host 31 be general personal computer, inside CodeSys softwares, the work of CodeSys softwares are installed
With being that commercial car 7DOF whole vehicle models and commercial car electric brake system control strategy are established in the software, facilitate 7DOF is whole
Vehicle model is downloaded into TTC580 controllers 30 with commercial car electric brake system control strategy code；
The commercial car electric brake system control strategy is ABS control strategies, ESC control strategies or ASR control strategies
Etc. commercial car electric brake system control strategy.
It is connected between the host 31 and TTC580 controllers 30 by ethernet netting twine, is realized under data transmission and code
It carries.
According to the composition structure of the above-mentioned commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers,
The present invention also provides the commercial car electric brake system hardware-in-the-loop test method based on TTC580 controllers, as shown in Fig. 2,
Experiment process is specific as follows：
First, according to the specific of the foregoing commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers
Structure is formed, pneumatic circuit connection, electric wire connection in testing stand are connected into completion with Ethernet connection structure；By in host 31
CodeSys softwares commercial car electric brake system control strategy to be tested and commercial car 7DOF whole vehicle models code are downloaded
Into TTC580 controllers 30；
Then, then testing crew manipulation direction disk 10, gas pedal 8 and the progress driver of brake pedal unit 11 are defeated
Enter；Steering wheel angle sensor 9 collects the corner of steering wheel 10, and externally outbound course disk corner pwm signal；Gas pedal
Displacement sensor 7 collects the displacement of gas pedal 8, and externally exports accelerator opening amount signal；In 11 inside of brake pedal unit
The brake pedal aperture displacement sensor and brake pedal switch put can externally export brake pedal aperture pwm signal and braking
Pedal switch signal；TTC580 controllers 30 pass through the good digital data acquisition passage of itself software configuration and analog acquisition passage
Collect above-mentioned steering wheel angle pwm signal, accelerator opening amount signal, brake pedal aperture pwm signal and brake pedal switch
After signal, above-mentioned signal is supplied to the 7DOF whole vehicle models of 30 internal operation of TTC580 controllers, it is ensured that whole vehicle model is just
Often operation；The control strategy that commercial car deceleration of electrons control strategy in TTC580 controllers 30 is come with the transmission of 7DOF whole vehicle models
The driving that the parameter of required identification and the good digital data acquisition passage of itself software configuration are collected with analog acquisition passage
Based on the real-time pressure signal that member's four corresponding pressure sensors of wheel of input signal and automobile collect, point
Analysis, which calculates front and back wheel at this time, to be needed to control the target pressure value reached, and this target pressure value is passed through TTC580 controllers
The 30 PWM output channels of itself are converted into the PWM drive signal of certain duty cycle, export to preceding bridge single channel module 16, rear axle
Two-channel modules 17 and the corresponding two ABS solenoid valves of two wheel of automobile front axle, bridge single channel module 16, rear axle bilateral before making
Road module 17 and solenoid valve generation action, carry out reasonable pressure adjusting, to reach closed-loop control purpose to automobile front and back wheel；
Finally, testing crew can be by the real-time parameter curve of 31 real time inspection testing stand of host, so as to controlling plan
It is slightly evaluated in time, is finally completed electric brake system hardware-in-the-loop test.
As shown in figure 3, the commercial car electric brake system hardware-in-the-loop test of the present invention based on TTC580 controllers
The design principle of platform and test method is as follows：
It is opened by 11 input direction disk corner of experimenter's manipulation direction disk 10, gas pedal 8 and brake pedal unit, throttle
Drivers' input signals such as degree, brake pedal aperture, while road pavement information is inputted, and passes through 30 software of TTC580 controllers
The digital data acquisition passage configured is acquired driver's input signal with analog acquisition passage, TTC580 controllers 30
Commercial car 7DOF whole vehicle models are loaded under inside, which completes the simulation to vehicle, so as to obtain commercial car EBS electronic brake system
The vehicle parameter of identification needed for the control strategies such as wheel speed w, the speed v to unite needed for control strategy, control strategy obtain after calculating
The goal pressure Pdf applied required for commercial car front-wheel, and pass through the PWM output channels of TTC580 controllers 30 itself by its
Drive signal is converted into, preceding bridge single channel module 16 and two ABS solenoid valves before driving in bridge make vehicle front generate braking
Torque Mbf is fed back to 7DOF whole vehicle models, realizes the control to vehicle front-wheel；Control strategy obtains business after calculating
The goal pressure Pdr applied required for back wheels of vehicle, and the PWM output channels for passing through TTC580 controllers 30 itself are converted
For drive signal, the rear axle two-channel modules 17 in rear axle are driven, automobile back wheel is made to generate braking moment Mbr, is fed back to
Whole vehicle model realizes the control to vehicle trailing wheel.Hardware-in-the-loop test mistake to commercial car electric brake system is completed with this
Journey.
Claims (6)
1. the commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers is tried by source of the gas component (A), air pressure
Test platform component (B), controller and host (31) composition, it is characterised in that：
The controller is TTC580 controllers (30)；
The pneumatic test stand component (B) by gas pedal (8), steering wheel (10), by preceding bridge single channel module (16) control
Preceding bridge control for brake gas circuit, by rear axle two-channel modules (17) control preceding bridge control for brake gas circuit and respectively with preceding bridge list
Channel module (16) and brake pedal unit (11) composition of rear axle two-channel modules (17) gas circuit control connection；
The TTC580 controllers (30) by PWM output channels respectively with preceding bridge single channel module (16), two ABS of preceding bridge
Solenoid valve and the connection of rear axle two-channel modules (17) signal；
The TTC580 controllers (30) are pressed for four corresponding with four brake chambers respectively by analog acquisition access port
Force snesor and the connection of accelerator pedal displacement sensor (7) signal；
The TTC580 controllers (30) by digital data acquisition access port respectively in brake pedal unit (11) integrate
Brake pedal aperture displacement sensor is connected with steering wheel angle sensor (9) signal；
It is connected between the host (31) and TTC (580) controller (30) by Ethernet, realizes data transmission.
2. the commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers as described in claim 1, special
Sign is：
The source of the gas component (A) is made of air compressor (1) and drier (2), the gas outlet of the air compressor (1) with
The air inlet of drier (2) is connected by pneumatic circuit, and the gas outlet of drier (2) is exported to pneumatic test stand component (B) does
Dry compressed air.
3. the commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers as described in claim 1, special
Sign is：
In the pneumatic test stand component (B), air inlet and the source of the gas component of four-loop protection valve (3)
(A) connect, a gas outlet of four-loop protection valve (3) is connected with the air inlet of the second gas receiver (4), another outlet
Mouth is connected with the air inlet of the first gas receiver (5)；
The gas outlet of first gas receiver (5) by the first threeway (6) respectively with preceding bridge single channel module air inlet (161) and braking
The first air inlet of pedal assembly (111) is connected, the first gas outlet of brake pedal unit (113) and preceding bridge single channel module control mouth
(163) it is connected, two gas outlets of preceding bridge single channel module connect Qian Qiao both sides brake chamber by ABS solenoid valves respectively, preceding
Pressure sensor is installed respectively at the air inlet of bridge both sides brake chamber；
The gas outlet of second gas receiver (4) by the second threeway (12) respectively with the second air inlet of brake pedal unit (112) and
3rd threeway (13) connects, and the other both ends of the 3rd threeway (13) are connected respectively with two air inlets of rear axle two-channel modules,
The second gas outlet of brake pedal unit (114) is connected with rear axle two-channel modules control mouth (174), and the two of rear axle two-channel modules
A gas outlet connects rear axle both sides brake chamber respectively, and pressure sensing is installed respectively at the air inlet of rear axle both sides brake chamber
Device.
4. the commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers as described in claim 1, special
Sign is：
It is equipped with to establish commercial car whole vehicle model and commercial car electric brake system control strategy inside the host (31)
Software.
5. the commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers as claimed in claim 4, special
Sign is：
The commercial car electric brake system control strategy is ABS control strategies, ESC control strategies or ASR control strategies.
6. the experiment of the commercial car electric brake system hardware-in-the-loop test platform based on TTC580 controllers as described in claim 1
Method, it is characterised in that：
The test method is specific as follows：
First, by the commercial car whole vehicle model established in host (31) and commercial car electric brake system control strategy to be tested
It downloads in TTC580 controllers (30)；
Then, then testing crew manipulation direction disk (10), gas pedal (8) and brake pedal unit (11) carry out driver
Input；TTC580 controllers (30) gather steering wheel angle sensor by digital data acquisition passage and analog acquisition passage
(9) accelerator opening amount signal, the brake pedal that steering wheel angle signal, the accelerator pedal displacement sensor (7) collected collects
The brake pedal aperture number and brake pedal switch signal that assembly (11) collects, and it is transmitted to TTC580 controllers (30)
The whole vehicle model of internal operation, it is ensured that the normal operation of whole vehicle model；Commercial car deceleration of electrons in TTC580 controllers (30)
The parameter that identifies needed for the control strategy that control strategy is come with whole vehicle model transmission and by digital data acquisition passage and analog quantity
What four corresponding pressure sensors of wheel of driver's input signal and automobile that acquisition channel collects collected
Based on real-time pressure signal, calculating front and back wheel at this time by commercial car deceleration of electrons control-Strategy analysis needs control to reach
The target pressure value arrived, and this target pressure value is converted into PWM drivings by the PWM output channels of TTC580 controllers (30)
Signal is exported to the ABS solenoid valves of preceding bridge single channel module (16), rear axle two-channel modules (17) and automobile front axle both sides,
Reasonable pressure adjusting is carried out to automobile front and back wheel, to reach closed-loop control purpose；
Finally, testing crew can check the real-time parameter curve of testing stand by host (31), so as to be carried out to control strategy
Evaluation.
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| CN201810082175.XA CN108107876B (en) | 2018-01-29 | 2018-01-29 | Commercial vehicle electric brake system hardware-in-the-loop test platform and test method based on TTC580 controller |
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| CN201810082175.XA CN108107876B (en) | 2018-01-29 | 2018-01-29 | Commercial vehicle electric brake system hardware-in-the-loop test platform and test method based on TTC580 controller |
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| CN109084991A (en) * | 2018-07-06 | 2018-12-25 | 武汉理工大学 | A kind of commercial vehicle air-pressure brake performance hardware is in ring test system and test method |
| CN109882472A (en) * | 2019-02-28 | 2019-06-14 | 重庆大学 | Commercial vehicle air pressure rear axle module assembly characteristic test system and method |
| CN110884478A (en) * | 2019-12-04 | 2020-03-17 | 苏州智加科技有限公司 | Method and system for determining rise time of brake chamber pressure signal of vehicle |
| CN111142505A (en) * | 2019-12-30 | 2020-05-12 | 威伯科汽车控制系统（中国）有限公司 | Brake signal transmitter function test device |
| CN113588283A (en) * | 2021-07-05 | 2021-11-02 | 杭州沃镭智能科技股份有限公司 | Eboost assembly test equipment calibration method and equipment |
| CN113671927A (en) * | 2020-05-15 | 2021-11-19 | 武汉辅安科技有限公司 | Hardware-in-loop testing device and method for electronic parking system controller of commercial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084991A (en) * | 2018-07-06 | 2018-12-25 | 武汉理工大学 | A kind of commercial vehicle air-pressure brake performance hardware is in ring test system and test method |
| CN109882472A (en) * | 2019-02-28 | 2019-06-14 | 重庆大学 | Commercial vehicle air pressure rear axle module assembly characteristic test system and method |
| CN110884478A (en) * | 2019-12-04 | 2020-03-17 | 苏州智加科技有限公司 | Method and system for determining rise time of brake chamber pressure signal of vehicle |
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| CN111142505A (en) * | 2019-12-30 | 2020-05-12 | 威伯科汽车控制系统（中国）有限公司 | Brake signal transmitter function test device |
| CN113671927A (en) * | 2020-05-15 | 2021-11-19 | 武汉辅安科技有限公司 | Hardware-in-loop testing device and method for electronic parking system controller of commercial vehicle |
| CN113588283A (en) * | 2021-07-05 | 2021-11-02 | 杭州沃镭智能科技股份有限公司 | Eboost assembly test equipment calibration method and equipment |
| CN113588283B (en) * | 2021-07-05 | 2024-04-02 | 杭州沃镭智能科技股份有限公司 | Eboost assembly test equipment calibration method and equipment |
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