CN201535718U - Performance-matching test bed for hybrid power assembly - Google Patents

Performance-matching test bed for hybrid power assembly Download PDF

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Publication number
CN201535718U
CN201535718U CN2009201277891U CN200920127789U CN201535718U CN 201535718 U CN201535718 U CN 201535718U CN 2009201277891 U CN2009201277891 U CN 2009201277891U CN 200920127789 U CN200920127789 U CN 200920127789U CN 201535718 U CN201535718 U CN 201535718U
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China
Prior art keywords
engine
battery pack
direct current
power battery
generating
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Expired - Lifetime
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CN2009201277891U
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Chinese (zh)
Inventor
金国庆
曹刚
余涛
刘刚
冯刚
蒲江
杜斌斌
苏岭
王西乡
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Abstract

The utility model discloses a performance-matching test bed for a hybrid power assembly. The test bed comprises an engine, a clutch, a speed changer, an ECU (engine control unit), an ISG (integrated starter generator), an IPU (motor controller), a power battery pack, a BCU (battery control unit), an HCU (headcount control unit), a DC/DC (direct current converter), a shift mechanism, a clutch pedal, a brake pedal, an accelerator pedal, two dynamometers, a rack control system and a fast control prototype dSPACE. The test bed has the advantages as follows: the headcount status is simulated on an engine test bed, and main components of a hybrid power system, the power battery pack, the BCU, the HCU, the IPU and the DC/DC are arranged according to the headcount simulating status; moreover, with compact structure and simple testing program, the test bed with can easily achieve the performance matching of the hybrid power assembly on the test bed, and can simulate the test of NEDC and other working conditions of the headcount.

Description

Hybrid power assembly performance matching test bench
Technical field
The utility model belongs to hybrid power assembly bench test technical field, is specifically related to a kind of performance matching test bench of hybrid drive train.
Background technology
Mixed power electric car has gasoline engine and two kinds of power sources of motor, and hybrid power system has been concentrated the advantage of two kinds of power sources, is a kind of novel vehicle energy saving and green technology, has worldwide obtained paying close attention to widely and studying.With generating/electromotion integrated ISG motor, variator, HEV system is the hybrid drive train of important component parts, as a kind of novel power assembly technology, the Performance Match stand that also lacks at present corresponding simulation whole vehicle state carries out online coupling and evaluation to power assembly system, needs based on the hybrid power system exploitation have designed hybrid power assembly performance matching test bench.
Summary of the invention
The purpose of this utility model is for satisfying the needs of hybrid vehicle exploitation, designs a kind of compact conformation, effective hybrid drive train performance matching test bench, to realize that hybrid drive train is carried out online coupling and optimization.
The technical solution of the utility model is as follows:
A kind of hybrid power assembly performance matching test bench, this hybrid drive train comprise engine, clutch coupling, variator, engine controller ECU, generating/electromotion integrated motor I SG, electric machine controller IPU, power battery pack, battery management system BCU, entire car controller HCU, direct current transducer DC/DC, shifter, clutch pedal, brake pedal, two dynamometer machines, pedestal control system and rapid control prototyping dSPACE;
Wherein engine and generating/electromotion integrated motor I SG, clutch coupling, variator are integrated, form power assembly, link to each other with two dynamometer machines respectively by the automobile-used semiaxis output that is connected the variator two ends;
Described clutch pedal, brake pedal, accelerator pedal, shifter, electric machine controller IPU, power battery pack, battery management system BCU, direct current transducer DC/DC all according to the real vehicle state arrangement in driving simulator;
All be connected by lead respectively between described engine controller ECU and engine, electric machine controller IPU and generating/electromotion integrated motor I SG, power battery pack and generating/electromotion integrated motor I SG, battery management system BCU and power battery pack, entire car controller HCU and rapid control prototyping dSPACE, rapid control prototyping dSPACE and stand controller system, dynamometer machine and the pedestal control system;
The high-pressure side both positive and negative polarity of described direct current transducer DC/DC and the both positive and negative polarity of power battery pack link to each other respectively, the low pressure end both positive and negative polarity of direct current transducer DC/DC links to each other respectively with the both positive and negative polarity of accumulator again, and the high voltage direct current of power battery pack becomes low-voltage DC through direct current transducer DC/DC accumulator is charged;
Entire car controller HCU, rapid control prototyping dSPACE and pedestal control system are by CAN communications exchange information.
The generating of described power assembly/electromotion integrated motor I SG comprises stator and rotor two parts, and stator is installed in the engine rear end face with bolt, and rotor is installed in the engine crankshaft rear end face with bolt, and rotates with bent axle; Clutch friction plate be fixed on epitrochanterian flywheel surface tightly card close; Variator is connected with clutch coupling by splined shaft.
Described power battery pack is connected by the high voltage direct current line with electric machine controller IPU, and electric machine controller IPU is connected by high pressure three-phase alternating current power line with generating/electromotion integrated motor I SG.
This test-bed is with the critical piece power battery pack of hybrid power system and BCU, HCU, IPU, DC/DC, and the clutch pedal of automobile-used state, accelerator pedal, shifter and brake pedal simulation whole vehicle state are arranged, are integrated in the driving simulator.Dynamometer machine is controlled by pedestal control system.Engine is controlled by engine controller ECU; Generating/electromotion integrated motor I SG is controlled by electric machine controller IPU.To generating/electromotion integrated motor I SG power supply, generating/electromotion integrated motor I SG also can be used as generator and charges to power battery pack power battery pack by lead.The charging and the discharge of battery management system BCU control power battery pack.Direct current transducer DC/DC is to charge in batteries, and accumulator provides 12 volts of direct currents for all controllers of system.Engine controller ECU, electric machine controller IPU, battery management system BCU control by entire car controller HCU.
Gear switch realizes that by operated clutch pedal and shifter rapid control prototyping dSPACE gathers gear signal from shifter and sends to pedestal control system to realize the control to the dynamometer machine rotating speed, reaches the purpose of dynamometer machine simulation wheel; Braking realizes that by the operation brake pedal rapid control prototyping dSPACE gathers brake signal from brake pedal and sends to pedestal control system again to realize the car brakeing simulation; Signals such as all right simulated crash of rapid control prototyping dSPACE, securing band, car door.
The utility model can simulate the starting of motor vehicle driven by mixed power when road driving, acceleration, at the uniform velocity, slide, slow down, operating mode such as braking and Parking, carry out pure electronic, idling start-stop, quicken power-assisted and braking capacity recovery test, finish the research of hybrid vehicle control strategy, exploitation and demonstration test, can simulate car load and carry out working condition tests such as NEDC.
Description of drawings
Fig. 1 hybrid power assembly performance matching test bench principle schematic;
Wherein, 1-dynamometer machine, 2-pedestal control system, the 3-dynamometer machine, 4-engine semiaxis, 5-variator, the 6-clutch coupling, 7-engine semiaxis, 8-generating/electromotion integrated motor I SG, the 9-engine, 10-CAN bus, 11-engine controller ECU, 12-high pressure three-phase alternating current power line, 13-accumulator, 14-electric machine controller IPU, the 15-CAN bus, 16-entire car controller HCU, 17-CAN bus, 18-rapid control prototyping dSPACE, 19-low-voltage direct line, 20-high voltage direct current electric wire, the 21-CAN bus, 22-brake signal line, 23-batteries management system BCU, the 24-power battery pack, 25-gear signal line, 26-high voltage direct current electric wire, 27-direct current transducer DC/DC, 28-brake pedal, 29-accelerator pedal, the 30-clutch pedal, 31-shifter, 32-driving simulator, the 33-gear shift pulling cable, 34-clutch coupling oil pipe, 35-throttle signal line, 36-CAN bus, the 37-control computer, the 38-data line.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, hybrid power assembly is connected to form by following form by engine 9, generating/electromotion integrated motor I SG 8, clutch coupling 6 and variator 5: generating/electromotion integrated motor I SG 8 comprises stator and rotor two parts, stator is installed in engine 9 rear end faces with bolt, rotor is installed in engine 9 crankshaft rear end faces with bolt, and rotates with bent axle; The friction disc of clutch coupling 6 be fixed on epitrochanterian flywheel surface tightly card close; Variator 5 is connected with clutch coupling 6 by splined shaft.Hybrid power assembly links to each other with two first and second dynamometer machines 1,3 respectively by the first and second automobile-used semiaxis 4,7 that are connected variator 5 two ends, driving mixed power real vehicle before whole bench simulation is preposition, first and second dynamometer machines, 1,3 simulation real vehicle wheels.
Pedestal control system 2 is not only controlled the operation of first and second dynamometer machines 1,3, also is written into the real vehicle model in Control Software: comprise that the gear ratio of quality, radius of wheel, each gear, differential compare, exercise parameters such as resistance curve, braking torque.First and second dynamometer machines 1,3 rotating speed and the gear signal of real vehicle model by collecting, and obtain the real vehicle speed of a motor vehicle, actual travel distance, real vehicle inertia, real vehicle running resistance etc. in conjunction with above calculation of parameter.
Driving simulator 32 internal clutch pedals 30, brake pedal 28, accelerator pedal 29, shifter 31, electric machine controller IPU 14, power battery pack 24, parts such as battery management system BCU 23, direct current transducer DC/DC 27 are all according to the real vehicle state arrangement.Connect by first to the 5th CAN bus 10,15,17,21,36 between engine controller ECU 11, entire car controller HCU 16, electric machine controller IPU 14, battery management system BCU 23, pedestal control system 2 and the rapid control prototyping dSPACE 18, information transmission between each controller and order send, accept also to finish by the CAN bus.
Power battery pack 24 is connected by high voltage direct current line 20 with electric machine controller IPU 14, and electric machine controller IPU 14 is connected by high pressure three-phase alternating current power line 12 with generating/electromotion integrated motor I SG 8.During generating, the alternating current that generating/electromotion integrated motor I SG 8 produces is transferred to electric machine controller IPU 14 through high pressure three-phase alternating current power line 12, and internal conversion is that direct current passes through 24 chargings of 20 pairs of power battery pack of high voltage direct current line again; When electronic, power battery pack 24 discharge, direct current by high voltage direct current line 20 be transferred to electric machine controller IPU 14 and within it portion be converted to alternating current, by high pressure three-phase alternating current power line 12 transmission generating/electromotion integrated motor I SG 8.The high-pressure side both positive and negative polarity of direct current transducer DC/DC 27 links to each other respectively with the both positive and negative polarity of power battery pack 24, the low pressure end both positive and negative polarity of direct current transducer DC/DC 27 links to each other respectively with the both positive and negative polarity of accumulator 13 again, and the high voltage direct current of power battery pack 24 becomes low-voltage DC through direct current transducer DC/DC 27 accumulator 13 is charged.
Operating personnel's let slip the clutch 30, pressure by the liquid transfer in the totally-enclosed clutch coupling oil pipe 34 to clutch coupling 6, cause clutch coupling 6 friction discs and tourbillon emaciated face from, to reach the purpose of smooth gear shift; Operating personnel's release the clutch pedal 30, pressure disappears, and clutch coupling 6 friction discs are tightly fitted with the flywheel surface again.Step in brake pedal 28 processes operating personnel, the angular displacement sensor that is installed on the brake pedal 28 obtains corresponding AD value by the displacement size of gathering brake pedal 28, rapid control prototyping dSPACE 18 carries out internal calculation after receiving the AD value, draw braking number percent signal and send to pedestal control system 2 by CAN bus 10, the real vehicle model goes out corresponding with it electrical inertia signal according to braking number percent calculated signals and sends to 1,3 execution of first and second dynamometer machines, reaches the purpose of simulating brake.Operating personnel's bend the throttle 29, according to accelerator pedal 29 strokes-voltage curve characteristic, it can produce and accelerator pedal 29 displacement corresponding voltage value, engine controller ECU 11 collects voltage signal to carry out internal calculation and obtains engine 9 throttle opening number percent signals, engine 9 throttle bodies are realized quickening according to aperture number percent signal execution command.Shifter 31 is connected with variator 5 by gear shift pulling cable 33, and operating personnel carry out gear shift by operation shifter 31.Be installed in the angular displacement sensor on shifter 31 levers, obtain two groups of AD values by lever in the gearshift procedure at the displacement of X and Y direction, rapid control prototyping dSPACE 18 receives the AD value and carries out internal calculation and obtains the actual-gear signal, sends to pedestal control system 2 by CAN bus 10.
Being written in the Control Software of pedestal control system 2 and preestablishing the operating mode file, is example with urban road operating mode NEDC, and it is to be X-axis with time, and the speed of a motor vehicle and gear are the curve map of Y-axis.Pedestal control system 2 sends to rapid control prototyping dSPACE 18 by CAN bus 10 with performance curve figure, the computer 37 that ControlDesk software is housed is connected by data line 38 with rapid control prototyping dSPACE 18, and reads performance curve figure from rapid control prototyping dSPACE 18.The operator passes through to observe shown performance curve figure on the ControlDesk software, and carries out gear shift, acceleration and brake operation according to the suggested speed of a motor vehicle, gear, reaches the purpose of simulated condition test.

Claims (3)

1. hybrid power assembly performance matching test bench, it is characterized in that: this hybrid drive train comprises engine, clutch coupling, variator, engine controller ECU, generating/electromotion integrated motor I SG, electric machine controller IPU, power battery pack, battery management system BCU, entire car controller HCU, direct current transducer DC/DC, shifter, clutch pedal, brake pedal, two dynamometer machines, pedestal control system and rapid control prototyping dSPACE;
Wherein engine and generating/electromotion integrated motor I SG, clutch coupling, variator are integrated, form power assembly, link to each other with two dynamometer machines respectively by the automobile-used semiaxis output that is connected the variator two ends;
Described clutch pedal, brake pedal, accelerator pedal, shifter, electric machine controller IPU, power battery pack, battery management system BCU, direct current transducer DC/DC all according to the real vehicle state arrangement in driving simulator;
All be connected by lead respectively between described engine controller ECU and engine, electric machine controller IPU and generating/electromotion integrated motor I SG, power battery pack and generating/electromotion integrated motor I SG, battery management system BCU and power battery pack, entire car controller HCU and rapid control prototyping dSPACE, rapid control prototyping dSPACE and stand controller system, dynamometer machine and the pedestal control system;
The high-pressure side both positive and negative polarity of described direct current transducer DC/DC and the both positive and negative polarity of power battery pack link to each other respectively, the low pressure end both positive and negative polarity of direct current transducer DC/DC links to each other respectively with the both positive and negative polarity of accumulator again, and the high voltage direct current of power battery pack becomes low-voltage DC through direct current transducer DC/DC accumulator is charged;
Entire car controller HCU, rapid control prototyping dSPACE and pedestal control system are by CAN communications exchange information.
2. hybrid power assembly performance matching test bench according to claim 1, it is characterized in that: the generating of described power assembly/electromotion integrated motor I SG comprises stator and rotor two parts, stator is installed in the engine rear end face with bolt, rotor is installed in the engine crankshaft rear end face with bolt, and rotates with bent axle; Clutch friction plate be fixed on epitrochanterian flywheel surface tightly card close; Variator is connected with clutch coupling by splined shaft.
3. according to claim 1 or 2 described hybrid power assembly performance matching test bench, it is characterized in that: described power battery pack is connected by the high voltage direct current line with electric machine controller IPU, and electric machine controller IPU is connected by high pressure three-phase alternating current power line with generating/electromotion integrated motor I SG.
CN2009201277891U 2009-06-26 2009-06-26 Performance-matching test bed for hybrid power assembly Expired - Lifetime CN201535718U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660972B (en) * 2009-06-26 2011-04-20 重庆长安汽车股份有限公司 Hybrid power assembly performance matching test bench
CN102645898A (en) * 2011-02-22 2012-08-22 北汽福田汽车股份有限公司 Controller simulating driver and automobile simulation system
CN105758650A (en) * 2016-02-29 2016-07-13 重庆长安汽车股份有限公司 Test apparatus for power coupling system of hybrid electric vehicle
CN109100156A (en) * 2018-07-12 2018-12-28 哈尔滨东安汽车发动机制造有限公司 A kind of driving of P2 framework hybrid power assembly is endurance test method
CN110608895A (en) * 2019-09-12 2019-12-24 吉林省瑞普测控技术有限公司 Simulation dynamic performance test system for whole vehicle brake system
CN113777420A (en) * 2021-08-10 2021-12-10 东风柳州汽车有限公司 System and method for determining electrical characteristic curve of accelerator pedal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660972B (en) * 2009-06-26 2011-04-20 重庆长安汽车股份有限公司 Hybrid power assembly performance matching test bench
CN102645898A (en) * 2011-02-22 2012-08-22 北汽福田汽车股份有限公司 Controller simulating driver and automobile simulation system
CN102645898B (en) * 2011-02-22 2014-05-28 北汽福田汽车股份有限公司 Controller simulating driver and automobile simulation system
CN105758650A (en) * 2016-02-29 2016-07-13 重庆长安汽车股份有限公司 Test apparatus for power coupling system of hybrid electric vehicle
CN105758650B (en) * 2016-02-29 2018-10-19 重庆长安汽车股份有限公司 A kind of experimental rig of the dynamic coupling system of hybrid vehicle
CN109100156A (en) * 2018-07-12 2018-12-28 哈尔滨东安汽车发动机制造有限公司 A kind of driving of P2 framework hybrid power assembly is endurance test method
CN110608895A (en) * 2019-09-12 2019-12-24 吉林省瑞普测控技术有限公司 Simulation dynamic performance test system for whole vehicle brake system
CN110608895B (en) * 2019-09-12 2022-05-31 吉林省瑞普测控技术有限公司 Simulation dynamic performance test system for finished automobile brake system
CN113777420A (en) * 2021-08-10 2021-12-10 东风柳州汽车有限公司 System and method for determining electrical characteristic curve of accelerator pedal

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Granted publication date: 20100728

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