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

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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
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control unit
speed sensor
range
torque speed
extended
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CN109062174B (en
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赵治国
陈家毅
雷丹
倪润宇
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Tongji University
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213—Modular 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24065—Real time diagnostics

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

Abstract

本发明涉及一种增程式混合动力系统性能测试台架系统，用于增程式混合动力系统性能测试，所述的台架系统包括道路负载模拟电机控制单元、道路负载模拟电机、电池模拟器/电子负载、台架测量与控制单元；所述的台架测量与控制单元包括第一转矩转速传感器、第二转矩转速传感器、第三转矩转速传感器、台架控制单元、台架快速原型控制器及其上位机标定系统。与现有技术相比，本发明具有能够较好地测试与评价混合动力系统的性能，以实现增程式混合动力车辆更好的能量经济性和纵向驾驶性能等优点。

The invention relates to a performance test bench system of an extended-range hybrid power system, which is used for the performance test of the extended-range hybrid power system. The bench system includes a road load simulation motor control unit, a road load simulation motor, a battery simulator/electronic Load, bench measurement and control unit; the bench measurement and control unit includes a first torque speed sensor, a second torque speed sensor, a third torque speed sensor, a bench control unit, a bench rapid prototype control device and its host computer calibration system. Compared with the prior art, the present invention has the advantages of being able to better test and evaluate the performance of the hybrid power system, so as to realize better energy economy and longitudinal driving performance of the extended-range hybrid power vehicle.

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)

1.一种增程式混合动力系统性能测试台架系统，用于增程式混合动力系统性能测试，所述的增程式混合动力系统包括增程器系统、电驱传动装置、动力蓄电池(1)及其电池管理系统BMS(21)，其中增程器系统包括辅助功率单元APU(20)、发动机(2)、发动机控制单元(23)、发电机(5)、发电机控制单元(22)、离合器(3)和离合器执行机构(4)，所述的电驱传动装置包括驱动电机(15)、驱动电机控制单元(18)、同步器(7)、同步器执行机构(8)和减速装置(10)，其特征在于，所述的台架系统包括道路负载模拟电机控制单元(14)、道路负载模拟电机(12)、电池模拟器/电子负载(11)、台架测量与控制单元；所述的台架测量与控制单元包括第一转矩转速传感器(6)、第二转矩转速传感器(9)、第三转矩转速传感器(13)、台架控制单元(17)、台架快速原型控制器(19)及其上位机标定系统(16)；1. A performance test bench system for a range-extended hybrid power system, which is used for performance testing of a range-extended hybrid power system. The range-extended hybrid power system includes a range extender system, an electric drive transmission, a power storage battery (1) and Its battery management system BMS (21), wherein the range extender system includes auxiliary power unit APU (20), engine (2), engine control unit (23), generator (5), generator control unit (22), clutch (3) and clutch actuator (4), described electric drive transmission device comprises drive motor (15), drive motor control unit (18), synchronizer (7), synchronizer actuator (8) and reduction gear ( 10), it is characterized in that, described bench system comprises road load simulation motor control unit (14), road load simulation motor (12), battery simulator/electronic load (11), bench measurement and control unit; The above-mentioned bench measurement and control unit includes a first torque speed sensor (6), a second torque speed sensor (9), a third torque speed sensor (13), a bench control unit (17), a fast bench Prototype controller (19) and its host computer calibration system (16); 所述的道路负载模拟电机(12)与减速装置(10)连接，所述的道路负载模拟电机控制单元(14)分别与道路负载模拟电机(12)、电池模拟器/电子负载(11)连接，所述的第一转矩转速传感器(6)接在发电机(5)和同步器(7)之间，所述的第二转矩转速传感器(9)接在同步器执行机构(8)和减速装置(10)之间，所述的第三转矩转速传感器(13)接在减速装置(10)和驱动电机(15)之间，所述的上位机标定系统(16)分别与台架控制单元(17)、台架快速原型控制器(19)连接，所述的台架快速原型控制器(19)分别与电池管理系统BMS(21)、辅助功率单元APU(20)、第一转矩转速传感器(6)、第二转矩转速传感器(9)、第三转矩转速传感器(13)、同步器执行机构(8)、驱动电机控制单元(18)、道路负载模拟电机控制单元(14)、台架控制单元(17)连接。The road load simulation motor (12) is connected with the deceleration device (10), and the road load simulation motor control unit (14) is respectively connected with the road load simulation motor (12) and the battery simulator/electronic load (11) , the first torque speed sensor (6) is connected between the generator (5) and the synchronizer (7), and the second torque speed sensor (9) is connected to the synchronizer actuator (8) and the deceleration device (10), the third torque speed sensor (13) is connected between the deceleration device (10) and the drive motor (15), and the described upper computer calibration system (16) is connected with the platform respectively The rack control unit (17) and the rack rapid prototype controller (19) are connected, and the rack rapid prototype controller (19) is respectively connected with the battery management system BMS (21), the auxiliary power unit APU (20), the first Torque speed sensor (6), second torque speed sensor (9), third torque speed sensor (13), synchronizer actuator (8), drive motor control unit (18), road load simulation motor control unit (14), platform control unit (17) is connected. 2.根据权利要求1所述的一种增程式混合动力系统性能测试台架系统，其特征在于，所述的辅助功率单元APU(20)分别与发动机控制单元(23)、发电机控制单元(22)连接。2. A kind of range-extended hybrid power system performance test bench system according to claim 1, is characterized in that, described auxiliary power unit APU (20) is respectively connected with engine control unit (23), generator control unit ( 22) Connect. 3.根据权利要求1所述的一种增程式混合动力系统性能测试台架系统，其特征在于，所述的发动机(2)、离合器(3)、离合器执行机构(4)、发电机(5)、第一转矩转速传感器(6)、同步器(7)、同步器执行机构(8)、第二转矩转速传感器(9)、减速装置(10)和道路负载模拟电机(12)依次连接；所述的驱动电机(15)、第三转矩转速传感器(13)、减速装置(10)和道路负载模拟电机(12)依次连接。3. A performance test bench system for a range-extended hybrid power system according to claim 1, characterized in that, said engine (2), clutch (3), clutch actuator (4), generator (5 ), the first torque speed sensor (6), the synchronizer (7), the synchronizer actuator (8), the second torque speed sensor (9), the reduction device (10) and the road load simulation motor (12) in sequence Connection; the drive motor (15), the third torque speed sensor (13), the deceleration device (10) and the road load simulation motor (12) are connected in sequence. 4.根据权利要求1所述的一种增程式混合动力系统性能测试台架系统，其特征在于，所述的道路负载模拟电机控制单元(14)对道路负载模拟电机(12)进行控制，用于模拟车辆行驶负载，并将负载加载至减速装置的输出轴上。4. A kind of range-extended hybrid system performance test bench system according to claim 1, is characterized in that, described road load simulation motor control unit (14) controls road load simulation motor (12), uses It is used to simulate the driving load of the vehicle and load the load on the output shaft of the reduction gear. 5.根据权利要求1所述的一种增程式混合动力系统性能测试台架系统，其特征在于，所述的电池模拟器/电子负载(11)用于回收道路负载模拟电机产生的制动能。5. A performance test bench system for a range-extended hybrid power system according to claim 1, wherein the battery simulator/electronic load (11) is used to reclaim the braking energy generated by the road load simulation motor . 6.根据权利要求1所述的一种增程式混合动力系统性能测试台架系统，其特征在于，所述的第一转矩转速传感器(6)、第二转矩转速传感器(9)、第三转矩转速传感器(13)用于实时测量传动轴的转矩转速。6. A performance test bench system for an extended-range hybrid system according to claim 1, characterized in that, the first torque speed sensor (6), the second torque speed sensor (9), the first The three torque speed sensors (13) are used for real-time measurement of the torque speed of the transmission shaft. 7.根据权利要求1所述的一种增程式混合动力系统性能测试台架系统，其特征在于，所述的台架快速原型控制器(19)运行上位机建立的能量管理策略、模式切换策略、驾驶员模型和车辆纵向动力学模型，用于开发调试模块化增程式混合动力系统的能量管理策略及模式切换控制策略，测试并评价该增程式混合动力系统的性能。7. A kind of range-extended hybrid power system performance test bench system according to claim 1, is characterized in that, described bench rapid prototyping controller (19) runs the energy management strategy that host computer establishes, mode switching strategy , driver model and vehicle longitudinal dynamics model are used to develop and debug the energy management strategy and mode switching control strategy of the modular extended-range hybrid system, and test and evaluate the performance of the extended-range hybrid system.
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