Nothing Special   »   [go: up one dir, main page]

CN109062174A - A kind of extended-range hybrid power system performance test stand system - Google Patents

A kind of extended-range hybrid power system performance test stand system Download PDF

Info

Publication number
CN109062174A
CN109062174A CN201810568139.4A CN201810568139A CN109062174A CN 109062174 A CN109062174 A CN 109062174A CN 201810568139 A CN201810568139 A CN 201810568139A CN 109062174 A CN109062174 A CN 109062174A
Authority
CN
China
Prior art keywords
control unit
rotary speed
extended
speed sensor
hybrid power
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.)
Granted
Application number
CN201810568139.4A
Other languages
Chinese (zh)
Other versions
CN109062174B (en
Inventor
赵治国
陈家毅
雷丹
倪润宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongji University
Original Assignee
Tongji University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongji University filed Critical Tongji University
Priority to CN201810568139.4A priority Critical patent/CN109062174B/en
Publication of CN109062174A publication Critical patent/CN109062174A/en
Application granted granted Critical
Publication of CN109062174B publication Critical patent/CN109062174B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24065Real time diagnostics

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The present invention relates to a kind of extended-range hybrid power system performance test stand systems, for extended-range hybrid power system performance test, the platform system includes road load simulated machine control unit, road load simulated machine, battery simulator/electronic load, rack measurement and control unit;The rack measurement and control unit includes the first torque rotary speed sensor, the second torque rotary speed sensor, third torque rotary speed sensor, rack control unit, rack rapid prototyping controller and its host computer calibration system.Compared with prior art, the present invention has many advantages, such as to be capable of the performance of preferably test and evaluation hybrid power system, to realize the better energy economy of extended-range hybrid vehicle and longitudinal drive performance.

Description

A kind of extended-range hybrid power system performance test stand system
Technical field
The present invention relates to new-energy automobile fields, more particularly, to a kind of extended-range hybrid power system performance test stand System.
Background technique
Extended-range hybrid power system is by its structure is simple, rate of economizing gasoline is high, space layout pressure is small, cost is relatively low, energy The clear superiorities such as metric density is high, continual mileage is long, it has also become the exploitation hot spot of new-energy automobile at this stage.Extended-range hybrid power Automobile must be controlled by efficient energy management strategies and reliable pattern switching, could further promote the energy warp of vehicle Ji property and longitudinal drive performance.
At this stage, hybrid vehicle energy management strategies and pattern switching strategy generally use off-line simulation and real vehicle examination The mode tested is subject to test evaluation, and off-line simulation needs to establish vehicle and each model of parts, and there are one the case where with real vehicle Fixed difference, cannot preferably access control strategy validity;Real train test can accurate access control strategy, but its Development cycle is longer and testing cost is higher, influences the progress of vehicle research and development.Therefore need to design a extended-range hybrid power System performance testboard frame scheme is used for the early development of vehicle.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of mixing of extended-range is dynamic Force system performance test stand system.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of extended-range hybrid power system performance test stand system is surveyed for extended-range hybrid power system performance Examination, the extended-range hybrid power system include range extender system, electric drive transmission device, power accumulator and its battery management System BMS, wherein range extender system includes Auxiliary Power Unit APU, engine, control unit of engine, generator, generator Control unit, clutch and clutch actuating mechanism, the electric drive transmission device include driving motor, driving motor control list Member, synchronizer, synchronizer executing agency and deceleration device, the platform system include that the control of road load simulated machine is single Member, road load simulated machine, battery simulator/electronic load, rack measurement and control unit;The rack measurement and control Unit processed includes the first torque rotary speed sensor, the second torque rotary speed sensor, third torque rotary speed sensor, rack control list Member, rack rapid prototyping controller and its host computer calibration system;
The road load simulated machine is connect with deceleration device, the road load simulated machine control unit point It is not connect with road load simulated machine, battery simulator/electronic load, first torque rotary speed sensor, which connects, to generate electricity Between machine and synchronizer, second torque rotary speed sensor is connect between synchronizer executing agency and deceleration device, described Third torque rotary speed sensor connect between deceleration device and driving motor, the host computer calibration system respectively with rack Control unit, rack rapid prototyping controller connection, the rack rapid prototyping controller respectively with battery management system BMS, Auxiliary Power Unit APU, the first torque rotary speed sensor, the second torque rotary speed sensor, third torque rotary speed sensor, Synchronizer executing agency, driving motor control unit, road load simulated machine control unit, the connection of rack control unit.
Preferably, the Auxiliary Power Unit APU is connect with control unit of engine, generator control unit respectively.
Preferably, the engine, clutch, clutch actuating mechanism, generator, the first torque rotary speed sensor, Synchronizer, synchronizer executing agency, the second torque rotary speed sensor, deceleration device and road load simulated machine are sequentially connected; Driving motor, third torque rotary speed sensor, deceleration device and the road load simulated machine is sequentially connected.
Preferably, the road load simulated machine control unit controls road load simulated machine, is used for Simulating vehicle travel load, and load is loaded on the output shaft of deceleration device.
Preferably, the battery simulator/electronic load is used to recycle the Brake Energy of road load simulation motor generation.
Preferably, first torque rotary speed sensor, the second torque rotary speed sensor, third torque rotary speed sensor Torque rotary speed for real-time measurement transmission shaft.
Preferably, the energy management strategies of rack rapid prototyping controller operation host computer foundation, pattern switching Strategy, pilot model and longitudinal vehicle dynamic model, for developing the energy of debugging module extended-range hybrid power system Management strategy and pattern switching control strategy are measured, the performance of the extended-range hybrid power system is tested and evaluate.
Compared with prior art, one aspect of the present invention can accurately calculate hybrid power system mode handover procedure In the key parameters such as true unit friction work, shock extent, on the other hand can carry out hybrid power system energy management strategies and mode The research work of switching control strategy is capable of the performance of preferably test and evaluation hybrid power system, to realize novel increasing journey The better energy economy of formula hybrid vehicle and longitudinal drive performance.
Detailed description of the invention
Fig. 1 is extended-range hybrid power system performance test stand scheme overall structure diagram;
Fig. 2 is extended-range hybrid power system performance test stand scheme control system schematic diagram;
Fig. 3 is one overall structure diagram of extended-range hybrid power system performance test stand derivative schemes;
Fig. 4 is one control system schematic diagram of extended-range hybrid power system performance test stand derivative schemes;
Fig. 5 is two overall structure diagram of extended-range hybrid power system performance test stand derivative schemes;
Fig. 6 is two control system schematic diagram of extended-range hybrid power system performance test stand derivative schemes;
Figure label explanation:
1, power accumulator;2, engine;3, clutch;4, clutch actuating mechanism;5, generator;6, the first torque turns Fast sensor;7, synchronizer;8, synchronizer executing agency;9, the second torque rotary speed sensor;10, deceleration device;11, battery mould Quasi- device/electronic load;12, road load simulated machine;13, third torque rotary speed sensor;14, road load simulated machine control Unit processed;15, driving motor;16, host computer calibration system;17, rack control unit;18, driving motor control unit;19, Rack rapid prototyping controller;20, Auxiliary Power Unit;21, battery management system;22, generator control unit;23, start Machine control unit;24, deceleration device control unit.
" a " indicates CAN bus, and " b " indicates that mechanical connection, " c " indicate common electrical connection, and " d " indicates that high-voltage electrical apparatus connects It connects.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work Example is applied, all should belong to the scope of protection of the invention.
As shown in Figure 1, the extended-range hybrid power system performance test stand scheme includes test object (extended-range mixing Dynamical system), road load simulated machine 12, battery simulator/electronic load 11, rack measurement and control unit three parts. The extended-range hybrid power system is by range extender system, electric drive transmission device, power accumulator 1 and its battery management system (BMS) 21 equal composition, wherein range extender system is by Auxiliary Power Unit (APU) 20, engine 2, control unit of engine 23, hair The composition such as motor 5, generator control unit 22, clutch 3, clutch actuating mechanism 4, and APU has the function of clutch control; Wherein electric drive transmission device is by driving motor 15, driving motor control unit 18, synchronizer 7, synchronizer executing agency 8, deceleration The composition such as device 10;Rack measurement and control unit includes the first torque rotary speed sensor 6, the second torque rotary speed sensor 9, the Three torque rotary speed sensors 13, rack control unit 17, rack rapid prototyping controller 19 and its host computer calibration system 16.
Auxiliary Power Unit 20 is connected with control unit of engine 23, generator control unit 22 respectively;The rack Rapid prototyping controller 19 and battery management system 21, Auxiliary Power Unit 20, the first torque rotary speed sensor 6, the second torque Speed probe 9, third torque rotary speed sensor 13, synchronizer executing agency 8, driving motor control unit 18, road load Simulated machine control unit 14, rack control unit 17 and host computer calibration system 16 are connected;The host computer calibration system 16 are connected with rack rapid prototyping controller 19, rack control unit 17 respectively;Battery simulator/the electronic load 11 with Road load simulated machine control unit 14.
The extended-range hybrid power system performance test stand scheme control system using host computer as shown in Fig. 2, demarcated Matlab/Simulink software in system establishes Simulink model, including pilot model, auto model and control plan Slightly.
Wherein pilot model, auto model and control strategy generate C code by RTW, and it is quickly former to download to rack In type controller, auto model calculates running resistance of the vehicle under different operating conditions, obtains the load of drive system, and pass through CAN bus is communicated with road load simulated machine control unit, and then passes through the control unit control of road load simulated machine The load is loaded on the output shaft of deceleration device by road load simulated machine processed.Control strategy is according to the accelerator pedal of vehicle The states such as aperture, brake pedal aperture, speed, battery charge state, determine the operational mode of current vehicle, calculate each power The speed/torque in source, and distribute engine speed/torque, generator speed/torque and driving motor by CAN bus and turn Speed/torque, meanwhile, Control of Auxiliary Power Unit synchronizer executing agency, rack rapid prototyping controller controls clutch and executes Mechanism, the switching between implementation pattern.
Establish graphical monitoring interface using the calibration software in host computer calibration system, can to engine speed/torque, The signals such as generator speed/torque, driving motor speed/torque, clutch state, synchronizer state, battery charge state into Row monitoring can also be based on graphical calibration interface, demarcate to the parameter in control strategy.
The control of clutch actuating mechanism and synchronizer executing agency is the research emphasis of hybrid power system pattern switching One of, therefore, test-bed uses true clutch and synchronizer on real vehicle, and run with load can be achieved, can be compared with For the operation conditions for really reflecting real vehicle.By reasonably arranging torque rotary speed sensor, which can be more true The key parameters such as real calculating unit friction work, shock extent.To sum up, which, which can preferably develop, increases journey with debugging moduleization The energy management strategies and pattern switching control strategy of formula hybrid power system are tested and evaluate the extended-range hybrid power system Performance.
It is illustrated in figure 3 one overall structure diagram of extended-range hybrid power system performance test stand derivative schemes, is schemed Middle control unit of engine 23, generator control unit 22 and clutch actuating mechanism 4 directly with rack rapid prototyping controller 19 are connected, and Fig. 4 is corresponding one control system schematic diagram of extended-range hybrid power system performance test stand derivative schemes.
It is illustrated in figure 5 two overall structure diagram of extended-range hybrid power system performance test stand derivative schemes, is schemed Middle clutch actuating mechanism 4 and synchronizer executing agency 8 are connected with deceleration device control unit 24, deceleration device control unit 24 It is connected with rack rapid prototyping controller 19, Fig. 6 is corresponding extended-range hybrid power system performance test stand derivative schemes Two control system schematic diagrames.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right It is required that protection scope subject to.

Claims (7)

1. a kind of extended-range hybrid power system performance test stand system is used for the performance test of extended-range hybrid power system, The extended-range hybrid power system includes range extender system, electric drive transmission device, power accumulator (1) and its battery management System BMS (21), wherein range extender system includes Auxiliary Power Unit APU (20), engine (2), control unit of engine (23), generator (5), generator control unit (22), clutch (3) and clutch actuating mechanism (4), the electricity drive transmission Device includes driving motor (15), driving motor control unit (18), synchronizer (7), synchronizer executing agency (8) and the dress that slows down Set (10), which is characterized in that the platform system includes road load simulated machine control unit (14), road load simulation Motor (12), battery simulator/electronic load (11), rack measurement and control unit;The rack measurement and control unit Including the first torque rotary speed sensor (6), the second torque rotary speed sensor (9), third torque rotary speed sensor (13), rack control Unit (17), rack rapid prototyping controller (19) and its host computer calibration system (16) processed;
The road load simulated machine (12) is connect with deceleration device (10), and the road load simulated machine controls single First (14) are connect with road load simulated machine (12), battery simulator/electronic load (11) respectively, and first torque turns Fast sensor (6) connects between generator (5) and synchronizer (7), and second torque rotary speed sensor (9) connects in synchronizer Between executing agency (8) and deceleration device (10), the third torque rotary speed sensor (13) connect in deceleration device (10) and Between driving motor (15), the host computer calibration system (16) respectively with rack control unit (17), rack rapid prototyping Controller (19) connection, the rack rapid prototyping controller (19) respectively with battery management system BMS (21), auxiliary power Unit AP U (20), the first torque rotary speed sensor (6), the second torque rotary speed sensor (9), third torque rotary speed sensor (13), synchronizer executing agency (8), driving motor control unit (18), road load simulated machine control unit (14), rack Control unit (17) connection.
2. a kind of extended-range hybrid power system performance test stand system according to claim 1, which is characterized in that institute The Auxiliary Power Unit APU (20) stated is connect with control unit of engine (23), generator control unit (22) respectively.
3. a kind of extended-range hybrid power system performance test stand system according to claim 1, which is characterized in that institute It is the engine (2) stated, clutch (3), clutch actuating mechanism (4), generator (5), the first torque rotary speed sensor (6), same Walk device (7), synchronizer executing agency (8), the second torque rotary speed sensor (9), deceleration device (10) and road load simulation electricity Machine (12) is sequentially connected;Driving motor (15), third torque rotary speed sensor (13), deceleration device (10) and the road is negative Simulated machine (12) are carried to be sequentially connected.
4. a kind of extended-range hybrid power system performance test stand system according to claim 1, which is characterized in that institute The road load simulated machine control unit (14) stated controls road load simulated machine (12), is used for simulating vehicle row Load is sailed, and load is loaded on the output shaft of deceleration device.
5. a kind of extended-range hybrid power system performance test stand system according to claim 1, which is characterized in that institute Battery simulator/the electronic load (11) stated is used to recycle the Brake Energy of road load simulation motor generation.
6. a kind of extended-range hybrid power system performance test stand system according to claim 1, which is characterized in that institute The first torque rotary speed sensor (6), the second torque rotary speed sensor (9), the third torque rotary speed sensor (13) stated are used for real When measure transmission shaft torque rotary speed.
7. a kind of extended-range hybrid power system performance test stand system according to claim 1, which is characterized in that institute Energy management strategies, the pattern switching strategy, driver's mould that rack rapid prototyping controller (19) the operation host computer stated is established Type and longitudinal vehicle dynamic model, for developing the energy management strategies and mould of debugging module extended-range hybrid power system The performance of the extended-range hybrid power system is tested and evaluated to formula switching control strategy.
CN201810568139.4A 2018-06-05 2018-06-05 Range-extending type hybrid power system performance test bench system Active CN109062174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810568139.4A CN109062174B (en) 2018-06-05 2018-06-05 Range-extending type hybrid power system performance test bench system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810568139.4A CN109062174B (en) 2018-06-05 2018-06-05 Range-extending type hybrid power system performance test bench system

Publications (2)

Publication Number Publication Date
CN109062174A true CN109062174A (en) 2018-12-21
CN109062174B CN109062174B (en) 2021-02-02

Family

ID=64820315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810568139.4A Active CN109062174B (en) 2018-06-05 2018-06-05 Range-extending type hybrid power system performance test bench system

Country Status (1)

Country Link
CN (1) CN109062174B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110155057A (en) * 2019-05-24 2019-08-23 同济大学 Vehicle energy management system and management method
CN111489630A (en) * 2020-04-26 2020-08-04 河南科技大学 Increase form hybrid test bench system suitable for teaching
CN113124950A (en) * 2021-03-17 2021-07-16 同济大学 Hybrid power vehicle oil consumption testing system with range extender in ring
CN114577488A (en) * 2020-12-01 2022-06-03 大连理工大学 Hybrid power assembly test bench based on model driving

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000051940A (en) * 1999-01-28 2000-08-16 김형벽 Control system simulator device of parallel driving in a generator
CN1800804A (en) * 2006-01-13 2006-07-12 长安汽车(集团)有限责任公司 Test bench for power transmission system reliability of hybrid electric vehicle
CN101660972A (en) * 2009-06-26 2010-03-03 重庆长安汽车股份有限公司 Hybrid power assembly performance matching test bench
CN201540201U (en) * 2009-07-23 2010-08-04 浙江吉利汽车研究院有限公司 Hybrid power system bench test device
CN103175693A (en) * 2013-03-14 2013-06-26 河南科技大学 Test bench for hybrid four-wheel drive tractors
CN203149092U (en) * 2013-02-06 2013-08-21 北京汽车新能源汽车有限公司 Extended range type testing stand
CN103713624A (en) * 2013-12-18 2014-04-09 同济大学 Power split hybrid system mode switching hardware-in-the-loop simulation test bench
JP2015184684A (en) * 2014-03-20 2015-10-22 三菱電機エンジニアリング株式会社 Power generator test facility managing system
CN205384148U (en) * 2016-03-09 2016-07-13 福建工程学院 Series -parallel connection formula driving system operating mode analogue test platform

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000051940A (en) * 1999-01-28 2000-08-16 김형벽 Control system simulator device of parallel driving in a generator
CN1800804A (en) * 2006-01-13 2006-07-12 长安汽车(集团)有限责任公司 Test bench for power transmission system reliability of hybrid electric vehicle
CN101660972A (en) * 2009-06-26 2010-03-03 重庆长安汽车股份有限公司 Hybrid power assembly performance matching test bench
CN201540201U (en) * 2009-07-23 2010-08-04 浙江吉利汽车研究院有限公司 Hybrid power system bench test device
CN203149092U (en) * 2013-02-06 2013-08-21 北京汽车新能源汽车有限公司 Extended range type testing stand
CN103175693A (en) * 2013-03-14 2013-06-26 河南科技大学 Test bench for hybrid four-wheel drive tractors
CN103713624A (en) * 2013-12-18 2014-04-09 同济大学 Power split hybrid system mode switching hardware-in-the-loop simulation test bench
JP2015184684A (en) * 2014-03-20 2015-10-22 三菱電機エンジニアリング株式会社 Power generator test facility managing system
CN205384148U (en) * 2016-03-09 2016-07-13 福建工程学院 Series -parallel connection formula driving system operating mode analogue test platform

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
赵治国等: "《干式DCT 变速HEV 换档过程鲁棒优化控制》", 《机械工程学报》 *
赵治国等: "《干式DCT控制系统硬件在环仿真试验台开发》", 《汽车工程》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110155057A (en) * 2019-05-24 2019-08-23 同济大学 Vehicle energy management system and management method
CN110155057B (en) * 2019-05-24 2021-04-02 同济大学 Vehicle energy management system and management method
CN111489630A (en) * 2020-04-26 2020-08-04 河南科技大学 Increase form hybrid test bench system suitable for teaching
CN114577488A (en) * 2020-12-01 2022-06-03 大连理工大学 Hybrid power assembly test bench based on model driving
CN113124950A (en) * 2021-03-17 2021-07-16 同济大学 Hybrid power vehicle oil consumption testing system with range extender in ring

Also Published As

Publication number Publication date
CN109062174B (en) 2021-02-02

Similar Documents

Publication Publication Date Title
CN104677645A (en) Test stand for power systems of automobiles, and automatic test method of working conditions
CN109062174A (en) A kind of extended-range hybrid power system performance test stand system
CN203310975U (en) A purely-electric vehicle driving system test board
CN209342383U (en) A kind of synthesis rack test macro of pure electric automobile power assembly
CN204556266U (en) A kind of automobile dynamic system testing table
CN102692326B (en) Simulation test device for simulating performance of hybrid electric vehicle
CN106970279A (en) The pure electric automobile pilot system and its test method of a variety of driving cycles can be achieved
CN104298123A (en) In-loop simulation test system and test method for vehicle management system
CN204480040U (en) The test macro of fuel-cell vehicle entire car controller
CN203732689U (en) System for testing power system electrical components of mild hybrid electric vehicle
CN103344442A (en) Hybrid power system test bed and operating method thereof
CN101738320A (en) Hybrid vehicle powertrain test system capable of simulating working condition and inertia
CN105446316A (en) Pure electric vehicle control unit model in-loop test device and test method thereof
CN105372076A (en) Multifunctional hybrid power general test stand and test method
CN105115737A (en) Electric automobile complete vehicle simulation on-load test system
CN101303272A (en) Hybrid power automobile performance test simulation operation apparatus
CN205719580U (en) A kind of new-energy automobile power assembly tests system
CN109084988A (en) A kind of PHEV platform system
CN105738123A (en) Simulation experiment bench and method for detecting operation performance of pure electric automobile
CN109470958A (en) A kind of AMT power transmission system of automatic gearbox assembly testing experiment platform
CN108692948A (en) Vehicle oil consumption tests system and control method
CN109187046A (en) A kind of hybrid vehicle system test platform architecture based on battery simulator
CN205015162U (en) Electric automobile carries testing system in whole car simulation area
CN108844751A (en) A kind of PHEV power platform system based on actual engine
CN109900399A (en) A kind of wheel side/hub drive system test platform

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant