CN206450422U - Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system - Google Patents
Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system Download PDFInfo
- Publication number
- CN206450422U CN206450422U CN201720031822.5U CN201720031822U CN206450422U CN 206450422 U CN206450422 U CN 206450422U CN 201720031822 U CN201720031822 U CN 201720031822U CN 206450422 U CN206450422 U CN 206450422U
- Authority
- CN
- China
- Prior art keywords
- brake
- wheel
- valve
- circuit
- braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Regulating Braking Force (AREA)
Abstract
The utility model discloses the electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system, the test platform is made up of pneumatic module processed, electric controlled brake system, traditional braking component, wheel speed simulated assembly, singlechip controller, host computer and target machine.The hardware-in―the-loop test platform is based on the third generation electric controlled brake system of WABCO companies, the accurate adjustment of antero posterior axis and four wheel brake pressures is realized with reference to related software and hardware, the control problem of electric motor coach conventional brake and brake hard is solved by Control Strategy for Regenerative Braking and ABS control strategies, test platform described in the utility model realizes the joint test of electric motor coach electric controlled brake system and regeneration brake system.
Description
Technical field
The utility model belongs to electric vehicle braking system testing technical field, is related to electric motor coach composite braking hardware and exists
Ring test platform, more specifically, the utility model are related to the electric motor coach composite braking hardware based on electric controlled brake system and existed
Ring test platform, the utility model is applicable not only to exploitation commercial car regenerative braking and ABS/EBS control strategies, applies also for reality
Car ECU error diagnosis.
Background technology
Recently as exhausted and problem of environmental pollution the increasingly exacerbation of world energy sources, national governments start to promote section one after another
Energy and new-energy automobile, sustainable development is realized with energy-saving and emission-reduction.In various types of new-energy automobiles, pure electric automobile
The concern of people is more and more received with many advantages of its own, particularly pure e-bus has become various countries
The important selection of urban development public transport.
The energy consumed for urban bus, long run in frequent low speed damped condition, its braking procedure
The 30%~60% of driving energy is constituted about, if this partial brake energy can effectively be reclaimed by Regenerative Braking Technology,
The fuel economy of vehicle can be significantly improved.Nowadays becoming increasingly popular with electric controlled brake system, increasing commercial car
Also begin to use electric controlled brake system, because electric controlled brake system directly controls to be arranged on the execution machine on wheel side by electronic signal
Structure is to set up the brake force needed for each wheel, so as to eliminate conventional gas brake system response time slow application comfortableness
Poor the shortcomings of, by improving the response time, shorten braking distance to improve the security and comfortableness of vehicle.
Disclose a variety of testing stands tested on brakes, but predominantly conventional gas braking system both at home and abroad at present
System testing stand, commercial semitrailer electric controlled brake system experimental bench or electric control hydraulic braking system test platform, also without a kind of base
In the test platform of the electric motor coach composite braking system of electric controlled brake system.
Chinese patent grant number is CN205507532, and authorized announcement date is 2016.08.24, entitled " commercial half
Trailer electric controlled brake system experimental bench ", Application No. 201620222013.8, patentee is Jilin University.The patent utilization
First generation electric controlled brake system (EBS), driving simulator, singlechip controller, are carried out by Labview RT real-time systems and surveyed
Examination research, is mainly used in the performance detection and model emulation of first generation electric controlled brake system, but the testing stand is only used for business
With the test of semitrailer brake system, and the testing stand does not account for the process of regenerative braking of commercial car, it is impossible to be used in electronic
The test of car composite braking system.
The content of the invention
For above-mentioned prior art joint test can not be carried out to electric motor coach electric controlled brake system and regeneration brake system
The problem of, the utility model provides the electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system.Knot
Figure of description is closed, the technical solution of the utility model is as follows：
Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system, by pneumatic module processed, electric control
Dynamic system, traditional braking component, wheel speed simulated assembly, singlechip controller 25, host computer 27 and target machine 26 are constituted；
The pneumatic module delivery air processed is defeated through front axle gas receiver 5, rear axle gas receiver 6 and parking braking gas receiver 7 respectively
Go out, form front axle brake loop, rear axle brake circuit and parking brake loop
The electric controlled brake system is by main brake valve 8, propons pressure control module 35, back axle pressure control module 18, a left side
Front-wheel ABS magnetic valves 38 and the connection composition of off-front wheel ABS magnetic valves 34；
The traditional braking component is by braking valve for vehicle 9, relay valve 10 and is located at respectively before left rear wheel, off hind wheel, the right side
Four groups of structure identical brake apparatus of wheel and the near front wheel are constituted, and the brake apparatus is by brake, brake chamber and braking gas
Chamber pressure force snesor is sequentially connected composition；
The wheel speed simulated assembly is identical with four groups of structures of the near front wheel by being located at left rear wheel, off hind wheel, off-front wheel respectively
Wheel speed analogue means composition, the wheel speed analogue means is sequentially connected group by wheel speed simulated machine, gear ring, wheel speed sensors
Into；
Be provided with the target machine 26 be connected with the brake chamber pressure sensor data collecting plate card, for
Wheel speed simulated machine sends the control signal board of control signal, and be connected with the CAN module in singlechip controller 25
CAN cards；
The hardware system of the singlechip controller 25 from minimum system circuit, to external output signal peripheral driver electricity
Road, the signal processing circuit for receiving and handling external signal, and the CAN communication circuit communicated to connect with target machine 26 are constituted；
The target machine 26 and the two-way communication link of host computer 27, host computer 27 is to the download model of target machine 26, target machine
26 feed back vehicle real time to host computer 27.
The lower air inlet and propons pressure control module 35 of the gas outlet of the front axle gas receiver 5 respectively with main brake valve 8
High pressure admission mouthful be connected, the lower gas outlet of main brake valve 8 is connected with the low voltage control port of propons pressure control module 35, preceding
The gas outlet of bridge pressure control module 35 is connected with the air inlet of front axle triple valve 36, two gas outlets point of front axle triple valve 36
Air inlet not with the near front wheel ABS magnetic valves 38 and off-front wheel ABS magnetic valves 34 is connected, the outlet of the near front wheel ABS magnetic valves 38
Mouth is connected with the near front wheel brake chamber 42, and the gas outlet of off-front wheel ABS magnetic valves 34 is connected with off-front wheel brake chamber 32, is formed
Front axle brake loop；
The enterprising gas port and back axle pressure control module 18 of the gas outlet of the rear axle gas receiver 6 respectively with main brake valve 8
High pressure admission mouthful be connected, the upper gas outlet of main brake valve 8 is connected with the low voltage control port of back axle pressure control module 18, after
The left and right side gas outlet of bridge pressure control module 18 is connected with corresponding left rear wheel, off hind wheel brake chamber respectively, forms rear axle
Brake circuit；
The air inlet and the high pressure of relay valve 10 of the gas outlet of the parking braking gas receiver 7 respectively with braking valve for vehicle 9
Air inlet is connected, and the gas outlet of braking valve for vehicle 9 is connected with the low voltage control port of relay valve 10, the gas outlet warp of relay valve 10
Rear axle triple valve valve 17 is connected with left rear wheel brake chamber 15 and off hind wheel brake chamber 20 respectively, forms parking brake loop.
The display screen is connected by VGA data wires with main frame, the output port of the main frame and the SIT moulds of target machine 26
Block is connected, and realizes that whole vehicle model and motor/battery model are downloaded to real time execution in target machine 26, and target machine by host computer 27
The real time information of vehicle-state is fed back to host computer 27 by 26, and is shown by the display screen of host computer 27.
The minimum system circuit is respectively by power circuit, clock circuit, reset circuit, filter circuit and BDM interfaces electricity
Road is constituted；
The peripheral drive circuit includes：Respectively with the control of the near front wheel ABS magnetic valves 38 and off-front wheel ABS magnetic valves 34
The ABS driving circuit for electromagnetic valve of signal input part connection composition, the control signal input company with propons pressure control module 35
The propons module drive circuit of composition is connect, and is connected with the control signal input of back axle pressure control module 18 after composition
Bridge module drive circuit；
The signal processing circuit includes：At the pedal signal that composition is connected with the brake signal output end of main brake valve 8
Manage circuit, export respectively with pressure sensor signal built-in in propons pressure control module 35 and back axle pressure control module 18
The antero posterior axis pressure signal processing circuit of end connection composition, and the signal output part with four Wheel speed signal sensors connects respectively
Connect the wheel speed signal process circuit of composition.
Compared with prior art, the beneficial effects of the utility model are：
1st, the electric motor coach composite braking hardware-in―the-loop test platform profit described in the utility model based on electric controlled brake system
Realized and electric motor coach electric controlled brake system and regeneration are made with third generation electric controlled brake system (EBS) and the related software and hardware of combination
The joint test of dynamic system.
2nd, the electric motor coach composite braking hardware-in―the-loop test platform profit described in the utility model based on electric controlled brake system
With the ripe auto model in LabView real-time systems and combination TruckSim softwares so that testing stand auto model and real vehicle
More closely, taking full advantage of advantage of the LabView systems in terms of data acquisition and processing (DAP) simultaneously.
3rd, the electric motor coach composite braking hardware-in―the-loop test platform described in the utility model based on electric controlled brake system is not
Exploitation electric motor coach regenerative braking and ABS/EBS control strategies are can be only used for, real vehicle ECU error diagnosis is can be also used for.
4th, the electric motor coach composite braking hardware-in―the-loop test platform described in the utility model based on electric controlled brake system can
The time of electric motor coach composite braking experimental study is greatlyd save, experiment funds are saved, required testing crew is few, can be realized anti-
Retrial is tested, and is that necessary outdoor real train test lays the first stone so as to greatly reduce outdoor real train test number of times.
5th, the electric motor coach composite braking hardware-in―the-loop test platform described in the utility model based on electric controlled brake system is not
The test of electric motor coach composite braking system is only applicable to, the composite braking system for applying also for other electric commercial vehicle vehicles is ground
Study carefully.
Brief description of the drawings
Fig. 1 is the electric motor coach composite braking hardware-in―the-loop test platform described in the utility model based on electric controlled brake system
Composition structural representation；
Fig. 2 is the electric motor coach composite braking hardware-in―the-loop test platform described in the utility model based on electric controlled brake system
Principle logic diagram；
Fig. 3 is the electric motor coach composite braking hardware-in―the-loop test platform described in the utility model based on electric controlled brake system
In singlechip controller structural schematic block diagram.
In figure：
1. air compressor, 2. wet gas receivers, 3. driers,
4. four-loop protection valve, 5. front axle gas receivers, 6. rear axle gas receivers,
7. parking braking gas receiver, 8. main brake valves, 9. braking valve for vehicle,
10. relay valve, 11. left rear wheel wheel speed simulated machines, 12. left rear wheel gear rings,
13. left rear wheel wheel speed sensors, 14. left rear wheel brakes, 15. left rear wheel brake chambers,
16. left rear wheel brake chamber pressure sensor, 17. rear axle triple valves, 18. back axle pressure control modules,
19. off hind wheel brake chamber pressure sensor, 20. off hind wheel brake chambers, 21. off hind wheel brakes,
22. off hind wheel wheel speed sensors, 23. off hind wheel gear rings, 24. off hind wheel wheel speed simulated machines,
25. singlechip controller, 26. target machines, 27. host computers,
28. off-front wheel wheel speed simulated machine, 29. off-front wheel gear rings, 30. off-front wheel wheel speed sensors,
31. off-front wheel brake, 32. off-front wheel brake chambers, 33. off-front wheel brake chamber pressure sensors,
34. off-front wheel ABS magnetic valves, 35. propons pressure control modules, 36. front axle triple valves,
37. the near front wheel wheel speed simulated machine, 38. the near front wheel ABS magnetic valves, 39. the near front wheel gear rings,
40. the near front wheel wheel speed sensors, 41. the near front wheel brake chamber pressure sensors, 42. the near front wheel brake chambers,
43. near front wheel brake.
Embodiment
In order to further illustrate the technical solution of the utility model, with reference to Figure of description, specific reality of the present utility model
Apply mode as follows：
Refering to Fig. 1, the utility model discloses the survey of the electric motor coach composite braking hardware in loop based on electric controlled brake system
Platform is tried to be controlled by pneumatic module processed, third generation electric controlled brake system (EBS), traditional braking component, wheel speed simulated assembly, single-chip microcomputer
Device 25, host computer 27 and target machine 26 are constituted.
The pneumatic module processed includes air compressor 1, wet gas receiver 2, air dryer 3, four-loop protection valve 4, front axle
Gas receiver 5, rear axle gas receiver 6 and parking braking gas receiver 7.
The third generation electric controlled brake system (EBS) includes main brake valve 8, model WABCO 4800021030；Propons
Pressure control module 35, model WABCO 4801067010；Back axle pressure control module 18, model WABCO
4801067010；The near front wheel ABS magnetic valves 38 and off-front wheel ABS magnetic valves 34, model WABCO 4721950180.
The traditional braking component includes braking valve for vehicle 9, relay valve 10, left rear wheel brake chamber 15, left rear wheel braking
Device 14, left rear wheel brake chamber pressure sensor 16, off hind wheel brake chamber 20, off hind wheel brake 21, off hind wheel braking gas
Chamber pressure force snesor 19, off-front wheel brake chamber 32, off-front wheel brake 31, off-front wheel brake chamber pressure sensor 33, a left side
Front wheel brake air chamber 42, near front wheel brake 43, the near front wheel brake chamber pressure sensor 41, front axle triple valve 36, rear axle three
Port valve 17 and the brake piping and joint for connecting said modules.
The wheel speed simulated assembly includes the near front wheel wheel speed simulated machine 37, the near front wheel gear ring 39, the near front wheel wheel speed sensing
Device 40, off-front wheel wheel speed simulated machine 28, off-front wheel gear ring 29, off-front wheel wheel speed sensors 30, off hind wheel wheel speed simulated machine
24th, off hind wheel gear ring 23, off hind wheel wheel speed sensors 22, left rear wheel wheel speed simulated machine 11, left rear wheel gear ring 12, left rear wheel wheel
Fast sensor 13.The near front wheel wheel speed simulated machine 37 is servomotor, and it is arranged on electric machine support, and the near front wheel gear ring 39 is consolidated
On the output shaft for being scheduled on the near front wheel wheel speed simulated machine 37, the near front wheel wheel speed sensors 40 be fixed on electric machine support and with it is left front
Wheel gear ring 39 is mounted opposite；Off-front wheel wheel speed simulated machine 28 is servomotor, and it is arranged on electric machine support, off-front wheel gear ring
29 are fixed on the output shaft of off-front wheel wheel speed simulated machine 28, off-front wheel speed sensor 30 be fixed on electric machine support and with the right side
Front-wheel gear ring 29 is mounted opposite；Off hind wheel wheel speed simulated machine 24 is servomotor, and it is arranged on electric machine support, off hind wheel tooth
Circle 23 is fixed on the output shaft of off hind wheel wheel speed simulated machine 24, and off hind wheel wheel speed sensors 22 are fixed on electric machine support simultaneously
It is mounted opposite with off hind wheel gear ring 23；Left rear wheel wheel speed simulated machine 11 is servomotor, and it is arranged on electric machine support, left back
Wheel gear ring 12 is fixed on the output shaft of left rear wheel wheel speed simulated machine 11, and left rear wheel wheel speed sensors 13 are fixed on motor branch
It is mounted opposite on frame and with left rear wheel gear ring 12.In described wheel speed analogue means, servomotor driven gear ring is rotated, according to being
The rotating speed of servomotor can be controlled the need for system in real time, the wheel speed sensors being mounted opposite with the gear ring can sense phase
The wheel speed signal answered, is then passed to singlechip controller 25.
In addition, whole test platform is bench type structure, a stand is welded into aluminium alloy extrusions and is placed on laboratory
On ground, a workbench is placed on the right side of stand.Air compressor 1 is directly placed on ground to be provided for whole test platform
Compressed air；Air dryer 3 and four-loop protection valve 4 are arranged on the front end of stand；Wet gas receiver 2, front axle gas receiver 5, after
Axle gas receiver 6 and parking braking gas receiver 7 are placed on the ground on the inside of stand, and are protected close to the loop of air dryer 3 and four
Protect valve 4；Four groups of wheel speed simulated assemblies are placed side by side on the right side of stand close to workbench before left front, right, behind the left back and right side
Position；Main brake valve 8 is located at below workbench, and host computer 27 is placed on the table, and target machine 26 is placed on the one of workbench
Side, singlechip controller 25 is placed in the cabinet of target machine；Other parts are all arranged on stand, installation site and figure
Each parts position relationship represented by 1 is essentially identical, and the annexation of each parts is specific as follows, and heavy line is gas circuit in figure
Connection signal, the fine line with arrow is circuit connection signal：
Gas circuit is connected：
Refering to Fig. 1, the gas outlet of the air compressor 1 is connected with the air inlet of wet gas receiver 2, and wet gas receiver 2 goes out
Gas port is connected with the air inlet of air dryer 3, and the gas outlet of air dryer 3 is connected with the air inlet of four-loop protection valve 4,
The air inlet of three gas outlets of four-loop protection valve 4 respectively with front axle gas receiver 5, rear axle gas receiver 6 and parking braking gas receiver 7
Mouth connection.
The lower air inlet and propons pressure control module 35 of the gas outlet of the front axle gas receiver 5 respectively with main brake valve 8
High pressure admission mouthful be connected, the lower gas outlet of main brake valve 8 is connected with the low voltage control port of propons pressure control module 35, preceding
The gas outlet of bridge pressure control module 35 is connected with the air inlet of front axle triple valve 36, two gas outlets point of front axle triple valve 36
Air inlet not with the near front wheel ABS magnetic valves 38 and off-front wheel ABS magnetic valves 34 is connected, the outlet of the near front wheel ABS magnetic valves 38
Mouth is connected with the near front wheel brake chamber 42, and the near front wheel brake chamber 42 is connected near front wheel brake 43, off-front wheel ABS electromagnetism
The gas outlet of valve 34 is connected with off-front wheel brake chamber 32, and off-front wheel brake chamber 32 is connected with off-front wheel brake 31, and this is
Front axle brake loop.
The enterprising gas port and back axle pressure control module 18 of the gas outlet of the rear axle gas receiver 6 respectively with main brake valve 8
High pressure admission mouthful be connected, the upper gas outlet of main brake valve 8 is connected with the low voltage control port of back axle pressure control module 18, after
The left side gas outlet of bridge pressure control module 18 is connected with left rear wheel brake chamber 15, left rear wheel brake chamber 15 and left rear wheel system
Dynamic device 14 is connected, and the right side gas outlet of back axle pressure control module 18 is connected with off hind wheel brake chamber 20, off hind wheel braking gas
Room 20 is connected with off hind wheel brake 21, and this is rear axle brake circuit.
The air inlet and the high pressure of relay valve 10 of the gas outlet of the parking braking gas receiver 7 respectively with braking valve for vehicle 9
Air inlet be connected, the gas outlet of braking valve for vehicle 9 is connected with the low voltage control port of relay valve 10, the gas outlet of relay valve 10 and
The air inlet of rear axle triple valve 17 is connected, two gas outlets of rear axle triple valve valve 17 respectively with left rear wheel brake chamber 15 and the right side
Rear service brake air chamber 20 is connected, and left rear wheel brake chamber 15 is connected with left rear wheel brake 14, off hind wheel brake chamber 20 and the right side
Rear wheel brake 21 is connected, and this is parking brake loop.
Circuit is connected：
Refering to Fig. 2, the host computer 27 is ordinary PC, including a display screen and a main frame, and the display screen is
User interface, it is connected by VGA data wires with the main frame, is connected between host computer 27 and target machine 26 for two-way signaling,
The output port of the main frame of the host computer 27 is connected with the SIT modules of target machine 26, and LabView is provided with the main frame 27
Software, TruckSim softwares and MATLAB/Simulink softwares.
In test process, host computer 27 is by the whole vehicle model in TruckSim softwares and MATLAB/Simulink softwares
Motor/battery model download to real time execution in target machine 26, while target machine 26 feeds back the real time information of vehicle-state
Shown to host computer 27, and by the display screen of host computer.
Grinding in magnificent industrial computer, the target machine 26 for the model IPC-610 of the target machine 26 is provided with data acquisition
Board, control signal board and CAN cards, the analog port and the near front wheel brake chamber pressure sensor 41 of data collecting plate card,
The signal of off-front wheel brake chamber pressure sensor 33, off hind wheel brake chamber pressure sensor 19 and left back pressure sensor 16
Output end is connected, for gathering the pressure signal that aforementioned four pressure sensor is detected and exported, then by the signal collected
The actual value of this tittle is obtained after being changed by mathematics and is input in whole vehicle model；The signal output part of control signal board
With the near front wheel wheel speed simulated machine 37, off-front wheel wheel speed simulated machine 28, off hind wheel wheel speed simulated machine 24 and left rear wheel wheel speed
The control signal input connection of simulated machine 11, for sending control signal to aforementioned four wheel speed simulated machine；The control
Signal board processed is a multi-functional RIO boards for being integrated with programmable fpga chip, and its signal generation turnover rate is fast, using rate
Height, the generation for controlling wheel speed simulated machine signal；CAN card ports are connected with the CAN module of singlechip controller 25, are used for
Communication between target machine 26 and singlechip controller 25.
Refering to Fig. 3, the singlechip controller 25 uses the serial micro-controls of the MC9S12XS128 of Freescale Semiconductor
Device processed, the hardware system of singlechip controller 25 mainly include minimum system circuit, peripheral drive circuit, signal processing circuit and
CAN communication circuit.
The minimum system circuit includes：Power circuit, clock circuit, reset circuit, filter circuit and BDM interfaces electricity
Road.
The peripheral drive circuit includes：ABS driving circuit for electromagnetic valve, with the near front wheel ABS magnetic valves 38 and off-front wheel ABS
The control signal input connection of magnetic valve 34, the opening and closing for driving ABS magnetic valves；Propons module drive circuit, with propons
The control signal input connection of pressure control module 35, the output for driving bridge module before preceding bridge module aperture and then control
Pressure；Rear axle module drive circuit, is connected with the control signal input of back axle pressure control module 18, for driving back axle mould
The aperture of block and then the output pressure for controlling rear axle module.
The signal processing circuit includes：Pedal signal process circuit, connects with the brake signal output end of main brake valve 8
Connect, be input to after the brake signal processing that main brake valve 8 is exported among singlechip controller 25；The processing of antero posterior axis pressure signal
Built-in pressure sensor signal output end connects in circuit, with propons pressure control module 35 and back axle pressure control module 18
Connect, be input to after the pressure signal processing that antero posterior axis pressure sensor is exported among singlechip controller 25；At wheel speed signal
Circuit is managed, with the near front wheel wheel speed sensors 40, off-front wheel Wheel speed signal sensor 30, off hind wheel Wheel speed signal sensor 22 and a left side
The signal output part connection of trailing wheel Wheel speed signal sensor 13, list is input to after the wheel speed signal processing that wheel speed sensors are exported
Among piece machine controller 25.
The CAN communication circuit is connected with the CAN cards in target machine, between singlechip controller 25 and target machine 26
Communication.
Refering to Fig. 2, the specific work process of the test platform is as follows：
When electric motor coach is not braked, the high-pressure brake gas provided by air compressor 1 through wet gas receiver 3,
Drier 3, four-loop protection valve 4, front axle gas receiver 5 and rear axle gas receiver 6 reach propons pressure control module and back axle pressure
The high pressure admission mouthful of control module, is at the same time operated to host computer 27, and TruckSim in the main frame of host computer 27 is soft
Whole vehicle model in part and motor and battery model in MATLAB/Simulink softwares are downloaded to and transported in real time in target machine 26
OK, main brake valve 8 is then stepped on, at this moment the data collecting system in target machine 26 is started working.
Step on after main brake valve 8, the pedal displacement sensor built in main brake valve becomes the aperture of brake pedal and aperture
Rate signal is transported in the pedal signal process circuit of singlechip controller 25, and singlechip controller 25 is according to the letter after processing
Number braking intention is recognized, demand brake force is recognized by the aperture of brake pedal, is recognized by pedal aperture rate of change
The on-position of vehicle, is in " brake hard operating mode " in " conventional brake operating mode ".
When singlechip controller 25, which picks out vehicle, is in " conventional brake operating mode ", then by demand brake force according to routine
Composite braking control strategy determines front axle target air pressure brake force, rear axle target air pressure brake force and target motor brake force.
Then according to front axle target air pressure brake force and rear axle target air pressure brake force, propons module drive circuit and rear axle module are passed through
The aperture of the high pressure admission mouthful of drive circuit control propons pressure control module 35 and back axle pressure control module 18, is at this moment supplied to
The gas of the high pressure admission mouthful of propons pressure control module 35 passes through propons pressure control module 35, front axle triple valve 36, the near front wheel
ABS magnetic valves 38 (normally open valve), off-front wheel ABS magnetic valves 34 (normally open valve) reach the near front wheel brake chamber 42 and off-front wheel braking
Air chamber 32, corresponding front axle air-pressure brake power is produced by near front wheel brake 43 and off-front wheel brake 31；It is supplied to back axle pressure
After the gas of the high pressure admission mouthful of power control module 18 reaches left rear wheel brake chamber 15 and is right by back axle pressure control module 18
Brake chamber 20 is taken turns, corresponding rear axle air-pressure brake power is produced by left rear wheel brake 14 and off hind wheel brake 21；At this moment
The near front wheel brake chamber pressure sensor 41, off-front wheel brake chamber pressure sensor 33, off hind wheel brake chamber pressure sensing
The pressure of four brake chambers corresponding with the collection of left rear wheel brake chamber pressure sensor 16 of device 19, then by the pressure collected
Signal is transferred to the data collecting plate card in target machine 26, and the pressure signal collected is passed through mathematics by the data collecting plate card
The actual value that this tittle is obtained after conversion is input in TruckSim whole vehicle models；
In addition, singlechip controller 25 by target motor braking force signal by CAN transmit into target machine 26
CAN cards, the signal collected is input to motor model in target machine 26 and produces corresponding motor braking by the CAN cards
Power simultaneously acts on TruckSim whole vehicle models, meanwhile, the speed of whole vehicle model, motor and battery status information are logical in target machine 25
Cross CAN cards and CAN is fed back in singlechip controller 25, singlechip controller 25 is according to real-time speed, motor and electricity
The real time pressure information of pond information and front and rear axle module built in pressure sensor feedback is to antero posterior axis air-pressure brake power and motor
Brake force is corrected in real time, then again by revised Braking in whole vehicle model, so as to realize whole brake pressure
Closed-loop control.
When singlechip controller 25, which picks out vehicle, is in " brake hard operating mode ", at this moment motor braking power is exited, and
Corresponding ABS controls are triggered, front axle target air pressure brake force and rear axle mesh are determined according to ABS control strategies by demand brake force
Gas suppresses power, is then controlled by propons module drive circuit, rear axle module drive circuit and ABS driving circuit for electromagnetic valve
The aperture and front axle of the high pressure admission mouthful of propons pressure control module 35 and back axle pressure control module 18 or so ABS magnetic valves
Porting aperture, the gas for being at this moment supplied to propons pressure control module high pressure admission mouthful passes through propons pressure control module
35th, front axle triple valve 36, the near front wheel ABS magnetic valves 38, off-front wheel ABS magnetic valves 34 are reached before the near front wheel brake chamber 42 and the right side
Brake chamber 32 is taken turns, corresponding front axle air-pressure brake power is produced by near front wheel brake 43 and off-front wheel brake 31；It is supplied to
The gas of back axle pressure control module high pressure admission mouthful reaches the He of left rear wheel brake chamber 15 by back axle pressure control module 18
Off hind wheel brake chamber 20, corresponding rear axle air-pressure brake power is produced by left rear wheel brake 14 and off hind wheel brake 21；
At this moment the near front wheel brake chamber pressure sensor 41, off-front wheel brake chamber pressure sensor 33, off hind wheel brake chamber pressure
The pressure of four brake chambers corresponding with the collection of left rear wheel brake chamber pressure sensor 16 of sensor 19, then will be collected
Pressure signal is transferred to the data collecting plate card in target machine 26, and the data collecting plate card passes through the pressure signal collected
The actual value that this tittle is obtained after mathematics conversion is input in TruckSim whole vehicle models, the state of vehicle is occurred corresponding become
Change, at this moment the wheel speed information of four wheels of whole vehicle model is output to four wheel speeds by the control signal board of target machine 26 and simulated
The control end of motor, control wheel speed simulated machine simulates real-time wheel speed, then the near front wheel wheel speed sensors 40, off-front wheel wheel
The wheel speed information collected is input to monolithic by fast sensor 30, off hind wheel wheel speed sensors 22 and left rear wheel wheel speed sensors 13
In the wheel speed signal process circuit of machine controller 25, singlechip controller 25 goes out vehicle according to the wheel speed data-evaluation after processing
The slip rate of real-time speed and each wheel, is then carried out real according to the sliding situation of wheel to the brake force of corresponding wheel
Shi Xiuzheng, it is ensured that the slip rate of each wheel is in optimal slip ratio scope, and revised brake force then is fed back into whole again
Vehicle model, so as to realize the closed-loop control of whole brake pressure.
In above-mentioned braking procedure, the information of car status information and its associated components feeds back to host computer by target machine 26
, can be by the change of the display screen real time inspection car status information of host computer 27 while the fortune of monitoring objective machine 26 in 27
OK.
Claims (4)
1. the electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system, it is characterised in that：
By pneumatic module processed, electric controlled brake system, traditional braking component, wheel speed simulated assembly, singlechip controller (25), host computer
(27) constituted with target machine (26)；
The pneumatic module delivery air processed is respectively through front axle gas receiver (5), rear axle gas receiver (6) and parking braking gas receiver (7)
Output, forms front axle brake loop, rear axle brake circuit and parking brake loop
The electric controlled brake system by main brake valve (8), propons pressure control module (35), back axle pressure control module (18),
The near front wheel ABS magnetic valves (38) and off-front wheel ABS magnetic valves (34) connection composition；
The traditional braking component is by braking valve for vehicle (9), relay valve (10) and is located at respectively before left rear wheel, off hind wheel, the right side
Four groups of structure identical brake apparatus of wheel and the near front wheel are constituted, and the brake apparatus is by brake, brake chamber and braking gas
Chamber pressure force snesor is sequentially connected composition；
The wheel speed simulated assembly is by respectively positioned at four groups of structure identical wheels of left rear wheel, off hind wheel, off-front wheel and the near front wheel
Fast analogue means composition, the wheel speed analogue means is sequentially connected by wheel speed simulated machine, gear ring, wheel speed sensors to be constituted；
Be provided with the target machine (26) be connected with the brake chamber pressure sensor data collecting plate card, for wheel
Fast simulated machine sends the control signal board of control signal, and be connected with the CAN module in singlechip controller (25)
CAN cards；
The hardware system of the singlechip controller (25) from minimum system circuit, to external output signal peripheral driver electricity
Road, the signal processing circuit for receiving and handling external signal, and the CAN communication circuit group communicated to connect with target machine (26)
Into；
The target machine (26) and host computer (27) two-way communication link, host computer (27) is to target machine (26) download model, mesh
Mark machine (26) feeds back vehicle real time to host computer (27).
2. the electric motor coach composite braking hardware-in―the-loop test platform as claimed in claim 1 based on electric controlled brake system, it is special
Levy and be：
The lower air inlet and propons pressure control module of the gas outlet of the front axle gas receiver (5) respectively with main brake valve (8)
(35) high pressure admission mouthful is connected, the lower gas outlet of main brake valve (8) and the low voltage control end of propons pressure control module (35)
Mouth is connected, and the gas outlet of propons pressure control module (35) is connected with the air inlet of front axle triple valve (36), front axle triple valve
(36) air inlet of two gas outlets respectively with the near front wheel ABS magnetic valves (38) and off-front wheel ABS magnetic valves (34) is connected, left
The gas outlet of front-wheel ABS magnetic valves (38) is connected with the near front wheel brake chamber (42), the gas outlet of off-front wheel ABS magnetic valves (34)
It is connected with off-front wheel brake chamber (32), forms front axle brake loop；
The enterprising gas port and back axle pressure control module of the gas outlet of the rear axle gas receiver (6) respectively with main brake valve (8)
(18) high pressure admission mouthful is connected, the upper gas outlet of main brake valve (8) and the low voltage control end of back axle pressure control module (18)
Mouthful be connected, the left and right side gas outlet of back axle pressure control module (18) respectively with corresponding left rear wheel, off hind wheel brake chamber phase
Even, rear axle brake circuit is formed；
The air inlet and the height of relay valve (10) of the gas outlet of the parking braking gas receiver (7) respectively with braking valve for vehicle (9)
It is pressed into gas port to be connected, the gas outlet of braking valve for vehicle (9) is connected with the low voltage control port of relay valve (10), relay valve (10)
Gas outlet is connected with left rear wheel brake chamber (15) and off hind wheel brake chamber (20) respectively through rear axle triple valve valve (17), shape
Into parking brake loop.
3. the electric motor coach composite braking hardware-in―the-loop test platform as claimed in claim 1 based on electric controlled brake system, it is special
Levy and be：
The host computer (27) is made up of display screen and main frame, and the display screen is connected by VGA data wires with main frame, the master
The output port of machine is connected with the SIT modules of target machine (26), realizes host computer (27) by whole vehicle model and motor/battery model
Real time execution in target machine (26) is downloaded to, and the real time information of vehicle-state is fed back to host computer (27) by target machine (26),
And shown by the display screen of host computer (27).
4. the electric motor coach composite braking hardware-in―the-loop test platform as claimed in claim 1 based on electric controlled brake system, it is special
Levy and be：
The minimum system circuit is respectively by power circuit, clock circuit, reset circuit, filter circuit and BDM interface circuit groups
Into；
The peripheral drive circuit includes：Respectively with the control of the near front wheel ABS magnetic valves (38) and off-front wheel ABS magnetic valves (34)
The ABS driving circuit for electromagnetic valve of signal input part connection composition, the control signal input with propons pressure control module (35)
The propons module drive circuit of composition is connected, and composition is connected with the control signal input of back axle pressure control module (18)
Rear axle module drive circuit；
The signal processing circuit includes：The pedal signal processing of composition is connected with the brake signal output end of main brake valve (8)
It is circuit, defeated with pressure sensor signal built-in in propons pressure control module (35) and back axle pressure control module (18) respectively
Go out the antero posterior axis pressure signal processing circuit of end connection composition, and the signal output part with four Wheel speed signal sensors respectively
Connect the wheel speed signal process circuit of composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031822.5U CN206450422U (en) | 2017-01-11 | 2017-01-11 | Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031822.5U CN206450422U (en) | 2017-01-11 | 2017-01-11 | Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206450422U true CN206450422U (en) | 2017-08-29 |
Family
ID=59672080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720031822.5U Withdrawn - After Issue CN206450422U (en) | 2017-01-11 | 2017-01-11 | Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206450422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840694A (en) * | 2017-01-11 | 2017-06-13 | 吉林大学 | Electric motor coach composite braking hardware-in―the-loop test platform and method of testing based on electric controlled brake system |
| CN108490920A (en) * | 2018-04-20 | 2018-09-04 | 天津清智科技有限公司 | A kind of automatic detecting tool structure of AEBS and its control method |
| CN111487055A (en) * | 2020-04-29 | 2020-08-04 | 北京金万安汽车电子技术研发有限公司 | Test device for testing characteristics of foot brake valve |
-
2017
- 2017-01-11 CN CN201720031822.5U patent/CN206450422U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840694A (en) * | 2017-01-11 | 2017-06-13 | 吉林大学 | Electric motor coach composite braking hardware-in―the-loop test platform and method of testing based on electric controlled brake system |
| CN108490920A (en) * | 2018-04-20 | 2018-09-04 | 天津清智科技有限公司 | A kind of automatic detecting tool structure of AEBS and its control method |
| CN111487055A (en) * | 2020-04-29 | 2020-08-04 | 北京金万安汽车电子技术研发有限公司 | Test device for testing characteristics of foot brake valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106840694B (en) | Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system and test method | |
| CN106802650B (en) | Electric motor coach integration control hardware is in ring test platform and test method | |
| CN101532914B (en) | Hardware-in-loop test bed of hybrid car brake coordination control system | |
| CN102745183B (en) | Energy-feedback active control type air braking system | |
| CN108120606B (en) | Commercial vehicle electric brake system hardware-in-the-loop test platform and test method based on PXI and cRIO controller | |
| CN105843209B (en) | Commercial semitrailer electric controlled brake system experimental bench | |
| CN106004463B (en) | Pure e-bus braking control system and its control method | |
| CN206450422U (en) | Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system | |
| CN104044571B (en) | A kind of truck combination associated braking system and method | |
| CN206627825U (en) | Electric motor coach integration control hardware is in ring test platform | |
| CN204302015U (en) | 30 tons of axle heavy-duty machine car motor vehicle braking system all-around test stand testing arrangements | |
| CN108107876B (en) | Commercial vehicle electric brake system hardware-in-the-loop test platform and test method based on TTC580 controller | |
| CN101603880A (en) | Automotive anti-lock braking and braking energy feedback integration control hardware are the-loop test bed | |
| CN100422015C (en) | Pneumatically braking anti-lock brake system for mixed powered automobile | |
| CN107054332A (en) | A kind of air-pressure electric-control brakes and braking method with fail safe function | |
| CN104949842A (en) | Vehicle hybrid brake system test development testbed | |
| CN102490710A (en) | Air braking system and tire type engineering machinery | |
| CN201559645U (en) | Control device for modular brake systems | |
| CN209570352U (en) | A kind of line traffic control air-pressure brake hardware-in―the-loop test platform | |
| CN209505724U (en) | Unmanned and manned line traffic control gas braking system can be switched in one kind | |
| CN109827783A (en) | A kind of line traffic control air-pressure brake hardware-in―the-loop test platform and test method | |
| CN206781738U (en) | A kind of air-pressure electric-control brakes with fail safe function | |
| CN109383473A (en) | A kind of automobile-used Electro-mechanical brake system of multiaxis | |
| CN205507532U (en) | Automatically controlled braking system laboratory bench of commercial semitrailer | |
| CN204527183U (en) | A kind of Pneumatic braking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170829 Effective date of abandoning: 20180516 |