CN115657504A - Extended range type electric automobile semi-physical simulation control test bed - Google Patents
Extended range type electric automobile semi-physical simulation control test bed Download PDFInfo
- Publication number
- CN115657504A CN115657504A CN202211694521.2A CN202211694521A CN115657504A CN 115657504 A CN115657504 A CN 115657504A CN 202211694521 A CN202211694521 A CN 202211694521A CN 115657504 A CN115657504 A CN 115657504A
- Authority
- CN
- China
- Prior art keywords
- battery
- power
- power supply
- mcu
- digital controllable
- 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
Links
Images
Abstract
The invention provides a range-extended electric vehicle semi-physical simulation control test bed, belonging to the technical field of electric vehicle simulation tests; the problem that the working condition of the existing range extender test bed is single in simulation is solved; the bus energy management system comprises an energy management layer, an action layer and a heat management layer, wherein the energy management layer comprises a digital controllable power supply and a battery, and the energy management layer enables the bus power to be stable by controlling the power of the digital controllable power supply and the charging and discharging of the battery; the action layer comprises two variable frequency loading units, wherein energy output by one variable frequency loading unit sequentially passes through a driving motor, a first torque sensor, a main gearbox, an auxiliary gearbox, a second torque sensor and a load motor and then enters the other variable frequency loading unit, and the conditions of the vehicle under different working conditions are simulated and tested by controlling the rotating speed and torque of the driving motor and the gear change of the gearbox; the heat management layer adopts a water cooling mode to cool the action layer; the invention is applied to the range-extended electric automobile.
Description
Technical Field
The invention provides a range-extended electric vehicle semi-physical simulation control test bed, and belongs to the technical field of electric vehicle simulation tests.
Background
In the whole industrial chain technical system of the electric automobile, the range-extended electric automobile well overcomes the defect that the driving range of the automobile is limited by a power battery, and the range extender needs to be subjected to a simulation test through a range extender test bed before the electric automobile leaves a factory for sale so as to ensure the reliability of the electric automobile; the existing test bed focuses on the working condition simulation of the range extender by adopting a fuel supply and cooling system of a traditional fuel vehicle, and the construction cost of the bed is high; the experiment is performed in a single mode of power generation of the range extender, and various motor power supply modes and working conditions of kinetic energy recovery are not designed; the simulation of the running state of the extended range electric automobile in different modes and different working conditions in the running process is lacked.
Disclosure of Invention
The invention provides a range-extending type electric vehicle semi-physical simulation control test bed, aiming at solving the problem that the working condition of the existing range-extending device test bed is single in simulation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a semi-physical simulation control test bed for a range-extended electric automobile comprises an energy management layer, an action layer and a thermal management layer, wherein the energy management layer comprises a digital controllable power supply and a battery, the digital controllable power supply is connected with an alternating current input and is connected with the battery through a bus, and the energy management layer enables the power of the bus to be stable by controlling the power of the digital controllable power supply and charging and discharging of the battery;
the action layer comprises two variable frequency loading units, wherein the two variable frequency loading units are connected with a digital controllable power supply and a battery through a bus, energy output by one variable frequency loading unit sequentially passes through a driving motor, a first torque sensor, a main gearbox, an auxiliary gearbox, a second torque sensor and a load motor and then enters the other variable frequency loading unit, and the action layer simulates and tests the conditions of the vehicle under different working conditions by controlling the rotating speed and the torque of the driving motor and the gear change of the gearbox;
the heat management layer adopts a water cooling mode to cool the action layer.
The system comprises a digital controllable power supply, a battery management system BMS, a first MCU and a second MCU, and is characterized by further comprising an upper computer, a battery management system BMS, a first MCU and a second MCU, wherein the upper computer is respectively connected with the digital controllable power supply, the battery management system BMS, the first MCU and the second MCU through a VTCU bus controller, CLTC working condition data are arranged in the upper computer, and CLTC working condition data are provided by the upper computer to simulate the running condition of the range-extended electric automobile and monitor sensor data in real time.
The digital controllable power supply is used for simulating the range extender to generate power and can simulate the power generation state of the range extending system in multiple energy management modes, and the multiple energy management modes comprise: in the constant power mode, the fuel economy type highest rotating speed torque is adopted for extended-range power generation to supply power for a driving motor or charge a battery; the power following mode is used for monitoring the power required by the driving motor to carry out following power generation; and in the intelligent control mode, the required power of the driving motor and the residual battery capacity are monitored simultaneously, the power generation power is selected by integrating all factors by combining an engine power curve, and different working conditions are intelligently responded.
The digital controllable power supply can also output power regularly according to experimental requirements, and when the battery is low in electric quantity, the power output by the digital controllable power supply is improved to meet the requirements of battery charging and motor consumption; when the battery electric quantity is high, the power output by the digital controllable power supply is reduced, and the power overload of the bus is prevented.
The first MCU controls the driving motor, the first torque sensor and the second torque sensor, and the second MCU controls the main gearbox and the auxiliary gearbox.
The upper computer is connected with the VTCU bus controller through a CAN bus, and the VTCU bus controller is connected with the battery management system BMS, the first MCU and the second MCU through the CAN bus respectively.
Compared with the prior art, the invention has the beneficial effects that: the semi-physical simulation control test bed for the extended range electric automobile provided by the invention is used for verifying the core components of the extended range electric automobile, so that safe and reliable running experience is provided; the energy utilization efficiency can be increased through the energy recovery of the load motor, so that the economy of the test bench is improved; the digital controllable power supply is adopted to simulate the range extender to generate power, the power generation power of various types of range extenders in different range extending modes can be simulated, a fuel supply pipeline and a cooling system matched with the range extender are not required to be built, and pollution and noise caused by a fuel engine are avoided.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a simulation control test bed according to the present invention;
FIG. 2 is a schematic diagram of communication and control of the simulation control test bed according to the present invention.
Detailed Description
As shown in fig. 1 to fig. 2, the range-extended electric vehicle semi-physical simulation control test bed provided by the invention adopts a digital controllable power supply to simulate the power generation of a range extender, and can accurately simulate the power generation state of the range-extended system under various energy management modes: (1) in the constant power mode, the fuel economy type highest rotating speed torque is adopted for extended-range power generation to supply power to the motor or charge the battery; (2) the power following mode is used for monitoring the power required by the driving motor to carry out following power generation, so that the performance of the motor is fully exerted; (3) and in the intelligent control mode, the required power of the driving motor and the residual electric quantity of the battery are monitored simultaneously, the power generation power is selected by integrating all factors according to the power curve of the engine, and different working conditions are intelligently responded. Regular output power can be output according to experimental requirements, and when the electric quantity of the battery is low, the power can be improved, and meanwhile, the requirements of battery charging and motor consumption are met; when the battery power is high, the power can be reduced to prevent the power of the bus from overloading, the experimental difficulty of the extended range electric automobile is simplified, and the experimental safety is improved. Meanwhile, the digital controllable power supply does not need to build a complex fuel supply pipeline and a complex cooling system, is convenient to adapt to various range extenders with different models, and reduces the building cost of the test bench.
The invention provides a semi-physical simulation control test bed for a range-extended electric vehicle, in particular to a range-extended vehicle simulation control test bed adopting a double-motor double-gearbox, which has a structural schematic diagram as shown in figure 1, and comprises an energy management layer, an action layer and a thermal management layer, wherein the energy management layer ensures that the power of a bus is stable by controlling the power of a digital controllable power supply and charging and discharging of a battery; the action layer simulates and tests the conditions of the vehicle under different working conditions by controlling the rotating speed and the torque of the driving motor and the gear change of the gearbox; the heat management layer adopts a water cooling mode to cool the action layer, so that the test can be safely and stably operated.
The system adopts CAN bus communication to connect an upper computer, a VTCU bus controller, a digital controllable power supply, a first MCU, a second MCU and a battery management system BMS, provides CLTC working condition data to simulate the running condition of the extended range electric vehicle and monitors sensor data in real time to ensure safe and stable running of the test, and the structure of the system is shown in figure 2.
The electronic devices adopted by the invention are simple, the equipment and the parts are convenient to replace, and the practicability is realized.
The double-gearbox counter-dragging structure is adopted, and the gear of the gearbox is controlled, so that the simulation range of the rotating speed and the torque of the test bed is expanded, and various special working conditions can be conveniently simulated.
The test bench is built in a semi-physical mode, and key components of the range-extended electric vehicle, such as a drive motor, a battery, a range extender simulated by a digital controllable power supply, a gearbox and the like, are used for building the test bench, so that the running states of the range-extended electric vehicle under different working conditions can be simulated, the development efficiency of the range-extended electric vehicle is effectively improved, and the development cost is reduced.
The test bed is built by adopting double motors (a driving motor and a load motor), the load motor can adopt a power generation mode, kinetic energy is converted into electric energy to be output while providing a load, the energy utilization efficiency is improved, and meanwhile, the working condition of inertia sliding of a vehicle can be simulated by driving the load motor, so that the test of an energy recovery strategy is realized.
It should be noted that, regarding the specific structure of the present invention, the connection relationship between the modules adopted in the present invention is determined and can be realized, except for the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problem proposed by the present invention is solved on the premise of not depending on the execution of the corresponding software program.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides an increase form electric automobile semi-physical simulation control test bench which characterized in that: the system comprises an energy management layer, an action layer and a heat management layer, wherein the energy management layer comprises a digital controllable power supply and a battery, the digital controllable power supply is connected with an alternating current input and is connected with the battery through a bus, and the energy management layer enables the power of the bus to be stable by controlling the power of the digital controllable power supply and the charging and discharging of the battery;
the action layer comprises two variable frequency loading units, wherein the two variable frequency loading units are connected with a digital controllable power supply and a battery through a bus, energy output by one variable frequency loading unit sequentially passes through a driving motor, a first torque sensor, a main gearbox, an auxiliary gearbox, a second torque sensor and a load motor and then enters the other variable frequency loading unit, and the action layer simulates and tests the conditions of the vehicle under different working conditions by controlling the rotating speed and the torque of the driving motor and the gear change of the gearbox;
and the heat management layer adopts a water cooling mode to cool the action layer.
2. The extended range electric vehicle semi-physical simulation control test bed of claim 1, characterized in that: the system comprises a digital controllable power supply, a battery management system BMS, a first MCU and a second MCU, and is characterized by further comprising an upper computer, a battery management system BMS, a first MCU and a second MCU, wherein the upper computer is respectively connected with the digital controllable power supply, the battery management system BMS, the first MCU and the second MCU through a VTCU bus controller, CLTC working condition data are arranged in the upper computer, and CLTC working condition data are provided by the upper computer to simulate the running condition of the range-extended electric automobile and monitor sensor data in real time.
3. The extended range electric vehicle semi-physical simulation control test bed of claim 2, wherein: the digital controllable power supply is used for simulating the range extender to generate power and can simulate the power generation state of the range extending system in multiple energy management modes, and the multiple energy management modes comprise: in the constant power mode, the fuel economy type highest rotating speed torque is adopted for extended-range power generation to supply power for a driving motor or charge a battery; the power following mode is used for monitoring the power required by the driving motor to carry out following power generation; and in the intelligent control mode, the required power of the driving motor and the residual electric quantity of the battery are monitored simultaneously, the power generation power is selected by integrating all factors by combining an engine power curve, and different working conditions are intelligently responded.
4. The extended range electric vehicle semi-physical simulation control test bed of claim 3, wherein: the digital controllable power supply can also output power regularly according to experiment requirements, and when the battery is low in electric quantity, the output power of the digital controllable power supply is improved; and when the battery electric quantity is high, reducing the power output by the digital controllable power supply.
5. The extended range electric vehicle semi-physical simulation control test bed of claim 2, wherein: the first MCU controls the driving motor, the first torque sensor and the second torque sensor, and the second MCU controls the main gearbox and the auxiliary gearbox.
6. The extended range electric vehicle semi-physical simulation control test bed of claim 2, wherein: the upper computer is connected with the VTCU bus controller through a CAN bus, and the VTCU bus controller is connected with the battery management system BMS, the first MCU and the second MCU through the CAN bus respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211694521.2A CN115657504B (en) | 2022-12-28 | 2022-12-28 | Extended range type electric automobile semi-physical simulation control test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211694521.2A CN115657504B (en) | 2022-12-28 | 2022-12-28 | Extended range type electric automobile semi-physical simulation control test bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115657504A true CN115657504A (en) | 2023-01-31 |
| CN115657504B CN115657504B (en) | 2023-04-11 |
Family
ID=85022751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211694521.2A Active CN115657504B (en) | 2022-12-28 | 2022-12-28 | Extended range type electric automobile semi-physical simulation control test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115657504B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358285A (en) * | 2011-08-19 | 2012-02-22 | 北京汽车新能源汽车有限公司 | Range-extending electric vehicle control system and method |
| CN102951037A (en) * | 2012-11-16 | 2013-03-06 | 同济大学 | Multimode automatic switching method for energy control strategies of extended-range electric vehicle |
| CN103631149A (en) * | 2013-09-26 | 2014-03-12 | 奇瑞汽车股份有限公司 | Extended-range electric vehicle mileage simulation system and simulation method thereof |
| CN203719914U (en) * | 2014-01-21 | 2014-07-16 | 北京汽车新能源汽车有限公司 | Power assembly test bench for extended range electric vehicle |
| US20140309823A1 (en) * | 2013-04-11 | 2014-10-16 | GM Global Technology Operations LLC | Method and apparatus for controlling a multi-mode powertrain system |
| CN204945331U (en) * | 2015-06-30 | 2016-01-06 | 蓝科华骋河北新能源动力科技有限公司 | A kind of distance increasing unit test environment build system |
| CN106427527A (en) * | 2016-11-03 | 2017-02-22 | 河南科技大学 | Tractor extended range control method, control device and hydraulic power system thereof |
| WO2019192420A1 (en) * | 2018-04-04 | 2019-10-10 | 南京晓庄学院 | Extended-range-type fuel cell electric car power device and control method therefor |
| CN110341504A (en) * | 2019-07-04 | 2019-10-18 | 山西成功汽车制造有限公司 | A kind of extended-range electric vehicle dynamical system and its control method |
| CN111114530A (en) * | 2019-12-03 | 2020-05-08 | 一汽解放汽车有限公司 | Energy management method and device for extended range vehicle, controller and storage medium |
| CN111141532A (en) * | 2020-01-16 | 2020-05-12 | 常熟理工学院 | Multi-mode comprehensive test system for electric automobile |
| CN111489630A (en) * | 2020-04-26 | 2020-08-04 | 河南科技大学 | Increase form hybrid test bench system suitable for teaching |
| CN112406564A (en) * | 2020-11-16 | 2021-02-26 | 北京车和家信息技术有限公司 | Range extender control method and device, driving system and range extender hybrid vehicle |
| CN113059990A (en) * | 2021-04-13 | 2021-07-02 | 河南科技大学 | Hybrid power driving device for teaching test |
| CN114199604A (en) * | 2021-12-14 | 2022-03-18 | 杭州电子科技大学 | Experimental test device and test method for multi-source power system |
| CN217514959U (en) * | 2022-03-31 | 2022-09-30 | 山西成功汽车制造有限公司 | Two keep off variable speed driving system suitable for increase journey car |
-
2022
- 2022-12-28 CN CN202211694521.2A patent/CN115657504B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358285A (en) * | 2011-08-19 | 2012-02-22 | 北京汽车新能源汽车有限公司 | Range-extending electric vehicle control system and method |
| CN102951037A (en) * | 2012-11-16 | 2013-03-06 | 同济大学 | Multimode automatic switching method for energy control strategies of extended-range electric vehicle |
| US20140309823A1 (en) * | 2013-04-11 | 2014-10-16 | GM Global Technology Operations LLC | Method and apparatus for controlling a multi-mode powertrain system |
| CN103631149A (en) * | 2013-09-26 | 2014-03-12 | 奇瑞汽车股份有限公司 | Extended-range electric vehicle mileage simulation system and simulation method thereof |
| CN203719914U (en) * | 2014-01-21 | 2014-07-16 | 北京汽车新能源汽车有限公司 | Power assembly test bench for extended range electric vehicle |
| CN204945331U (en) * | 2015-06-30 | 2016-01-06 | 蓝科华骋河北新能源动力科技有限公司 | A kind of distance increasing unit test environment build system |
| CN106427527A (en) * | 2016-11-03 | 2017-02-22 | 河南科技大学 | Tractor extended range control method, control device and hydraulic power system thereof |
| US20200282844A1 (en) * | 2018-04-04 | 2020-09-10 | Nanjing Xiaozhuang University | Extended-range fuel cell electric vehicle power device and control method therefor |
| WO2019192420A1 (en) * | 2018-04-04 | 2019-10-10 | 南京晓庄学院 | Extended-range-type fuel cell electric car power device and control method therefor |
| CN110341504A (en) * | 2019-07-04 | 2019-10-18 | 山西成功汽车制造有限公司 | A kind of extended-range electric vehicle dynamical system and its control method |
| CN111114530A (en) * | 2019-12-03 | 2020-05-08 | 一汽解放汽车有限公司 | Energy management method and device for extended range vehicle, controller and storage medium |
| CN111141532A (en) * | 2020-01-16 | 2020-05-12 | 常熟理工学院 | Multi-mode comprehensive test system for electric automobile |
| CN111489630A (en) * | 2020-04-26 | 2020-08-04 | 河南科技大学 | Increase form hybrid test bench system suitable for teaching |
| CN112406564A (en) * | 2020-11-16 | 2021-02-26 | 北京车和家信息技术有限公司 | Range extender control method and device, driving system and range extender hybrid vehicle |
| CN113059990A (en) * | 2021-04-13 | 2021-07-02 | 河南科技大学 | Hybrid power driving device for teaching test |
| CN114199604A (en) * | 2021-12-14 | 2022-03-18 | 杭州电子科技大学 | Experimental test device and test method for multi-source power system |
| CN217514959U (en) * | 2022-03-31 | 2022-09-30 | 山西成功汽车制造有限公司 | Two keep off variable speed driving system suitable for increase journey car |
Non-Patent Citations (8)
| Title |
|---|
| ZHANG CHENG等: "Research on powertrain matching and control strategy of extended-range hybrid electric vehicle" * |
| 刘汉武: "基于出行特征的增程式电动汽车智能能量管理策略研究" * |
| 刘钊;解少博;: "基于效率优化的增程式电动环卫车控制策略" * |
| 吴俊: "增程式电动汽车参数匹配及控制系统研发" * |
| 周云山等: "插电式混合动力轿车的能量管理策略与仿真" * |
| 朱辰宇;余卓平;熊璐;张培志;曾德全;: "军用增程式电动汽车增程器工作点选取策略设计" * |
| 汤赛金: "增程式电动汽车能量管理控制策略研究" * |
| 王煜华;申立中;黄粉莲;: "燃油增程式车辆的控制策略研究" * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115657504B (en) | 2023-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103809120B (en) | A kind of test system and method for Weak mixed power automobile power system electric component | |
| CN201576208U (en) | Simulation testing system of electric vehicle controller | |
| CN203732689U (en) | System for testing power system electrical components of mild hybrid electric vehicle | |
| CN105372076A (en) | Multifunctional hybrid power general test stand and test method | |
| CN108284752B (en) | Extended range type fuel cell electric automobile power device and control method thereof | |
| CN113552485B (en) | New energy automobile thermal management function test system and method | |
| CN109977468B (en) | Verification system, method, equipment and control system of energy management strategy | |
| CN206162185U (en) | Vehicle control unit is at ring emulation test system | |
| CN105256855A (en) | Multi-input and mult-load modular platform system for hybrid-power engineering machines | |
| CN112362359A (en) | Test bench system and method for hybrid power assembly of commercial vehicle | |
| CN107957720A (en) | Automobile-used hybrid energy-storing control system based on dSPACE and motor experimental bench | |
| CN115656659A (en) | Hybrid power unmanned electric power and electric drive test system and test method under multiple working conditions | |
| CN102999043A (en) | Simulation testing system for vehicle control unit of hybrid power vehicle | |
| CN108169691B (en) | Multifunctional electric tractor test bed based on CAN communication and test method thereof | |
| CN115657504B (en) | Extended range type electric automobile semi-physical simulation control test bed | |
| CN203465590U (en) | Experiment loading device for electrical driving system of new energy automobile | |
| CN112611580A (en) | New energy automobile BMS hardware is at ring test platform | |
| CN202225818U (en) | Miniature motor control device for automobile | |
| CN204882071U (en) | Automatic derailleur performance test bench | |
| CN103063944A (en) | Vehicle electric transmission device test platform | |
| CN104236901B (en) | A kind of wheel hub motor assembly durability test method based on EMT | |
| CN114577488B (en) | Hybrid power assembly test bench based on model driving | |
| CN108287078B (en) | Double-motor electric tractor test bed and test control method thereof | |
| CN113551917A (en) | Semi-physical simulation test bed and test method for multi-machine parallel operation device of gas turbine | |
| CN114199604A (en) | Experimental test device and test method for multi-source power system |
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 |