CN103204081A - Motor control system and method for electric cars - Google Patents

Motor control system and method for electric cars Download PDF

Info

Publication number
CN103204081A
CN103204081A CN2013101194508A CN201310119450A CN103204081A CN 103204081 A CN103204081 A CN 103204081A CN 2013101194508 A CN2013101194508 A CN 2013101194508A CN 201310119450 A CN201310119450 A CN 201310119450A CN 103204081 A CN103204081 A CN 103204081A
Authority
CN
China
Prior art keywords
motor
control system
signal
vehicle speed
controller unit
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
CN2013101194508A
Other languages
Chinese (zh)
Other versions
CN103204081B (en
Inventor
胡鹏
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.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
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 Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN201310119450.8A priority Critical patent/CN103204081B/en
Publication of CN103204081A publication Critical patent/CN103204081A/en
Application granted granted Critical
Publication of CN103204081B publication Critical patent/CN103204081B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

The invention provides a motor control system for electric cars. The motor control system comprises a controller unit, a first drive unit, a second drive unit, a first motor and a second motor. The controller unit receives speed signals and accelerator signals. When the accelerator signals are valid, the controller unit controls operating states of the first drive unit and the second drive unit to allow the first motor or second motor to operate or not according to whether the magnitude of the speed signals is larger than the preset speed value or not. The motor control system allows for alternative operation of the two motors so that time division operation is achieved, the functions of the motors are protected, and electricity is saved to the maximum extent.

Description

A kind of electric machine control system of electronlmobil and method
Technical field
The present invention relates to electric automobiles, relate in particular to a kind of electric machine control system and method for electronlmobil.
Background technology
Become at low-carbon economy under the background of the mainstream of the times, electronlmobil becomes the main direction of current development of automobile.Along with constantly advancing of electronlmobil, high-performance motor and controller are come out one after another, but the power consumption of heavy-duty motor is very serious, particularly under the operating mode of vehicle frequent starting, under the traffic environment that worsens day by day, using low-power machine during startup is a kind of wise move, can save electric energy to greatest extent, prolongs the continual mileage of car load.
Summary of the invention
The invention provides a kind of electronlmobil Double Motor Control System, realize the time-sharing work of two motors, not only can protect motor but also can save electric energy to greatest extent.
For achieving the above object, the invention provides a kind of electronlmobil Double Motor Control System, its technical scheme is:
Comprise: controller unit, first driver element, second driver element, first motor and second motor;
Described controller unit receives vehicle speed signal and throttle signal, and when throttle signal was effective, according to the size of vehicle speed signal, controller unit was controlled the mode of operation of first driver element and second driver element to realize first motor or second machine operation.
Preferably, described first driver element and second driver element are respectively first relay and second relay, are connected with first relay and second relay respectively between the input end of described first motor, second motor and the three-phase output end of three-phase voltage type rectifier.
Preferably, described three-phase voltage type rectifier is the half bridge rectifier of six road IGBT modules, and described controller unit is controlled the conducting state of six road IGBT modules.
Preferably, described first motor is permagnetic synchronous motor, and described second motor is dc brushless motor.
Preferably, described control system comprises velocity checking circuits, and described controller unit receives vehicle speed signal by the motor signal processing circuit.
Preferably, described control system connects entire car controller by the CAN communicating circuit, thereby obtains throttle signal.
Preferably, also comprise the temperature sensing circuit that is connected with controller unit, for detection of the temperature signal of six road IGBT modules.
Preferably, also comprise one of the bus voltage testing circuit that is connected with controller unit, power module, current detection circuit or their combination.
In addition, the present invention also provides a kind of motor control method of electronlmobil, comprising:
Obtain vehicle speed signal, and obtain throttle signal;
When throttle signal is effective, if vehicle speed signal greater than the preset vehicle speed value, then drives first machine operation, otherwise, drive second machine operation.
The present invention compared to the beneficial effect of present technology is:
The present invention adopts two motors at electronlmobil; like this; two motors can be selected different rating horsepowers for use; adopt the speed of a motor vehicle and throttle signal as judging signal simultaneously; judge according to the program set in the controller unit to allow which machine operation, realized that the work of double-motor is switched, realize time-sharing work; both play the function of protection motor, saved electric energy again to greatest extent.
Description of drawings
Fig. 1 is the structural representation according to the electric machine control system of the electronlmobil of the embodiment of the invention;
Fig. 2 is the structural representation according to the driver element of the electric machine control system of the electronlmobil of the embodiment of the invention;
Fig. 3 is the control method schematic flow sheet according to the electronlmobil of the embodiment of the invention.
The specific embodiment
For above-mentioned purpose, the feature and advantage that make invention can become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public specific embodiment.
With reference to shown in Figure 1, in this embodiment, controller unit is Central Processing Unit (CPU) 100, it for example is dsp system, it is connected with communication module 310, motor signal processing module 320, current detection module 330, bus voltage detection module 350 and power-switching circuit module 360, and output has multi-path signal 1U, 2U, 1V, 2V, 1W, 2W, X1, X2, these signals are respectively applied to control the mode of operation of first driver element and second driver element and the mode of operation of the driver module of the three-phase voltage type rectifier that is connected with second motor with first motor, to realize the work of first motor or second motor respectively.
In the present embodiment, Central Processing Unit (CPU) 100 receives vehicle speed signal by motor signal processing circuit 320, and be connected to entire car controller by the CAN communicating circuit, obtain throttle signal from entire car controller, certainly, can also obtain vehicle speed signal and throttle signal by different modes according to concrete design and needs.
With reference to shown in Figure 2, in this embodiment, three-phase voltage type rectifier 260 is the half bridge rectifier of six road IGBT modules, its input end P, N and battery unit join, first driver element 210 is first relay, second driver element 220 is second relay, first motor 230 is permagnetic synchronous motor, second motor 240 is dc brushless motor, permagnetic synchronous motor has higher rating horsepower than dc brushless motor usually, in one embodiment, the rating horsepower of permagnetic synchronous motor is preferably 25KW, the rating horsepower of dc brushless motor 4 is 5KW, the three-phase output end U of three-phase voltage type rectifier 260, V, W is connected with the three-phase input end of permagnetic synchronous motor 230 through first relay R 1 respectively, be connected with the input end of dc brushless motor through second relay R 2, the input end that wherein flows brushless motor is the port before the AC-DC conversion.Be understandable that first motor and second motor can be selected dissimilar motors as required, first driver element and second driver element also can be other automatically controlled on-off element, as pliotron etc.
Controller unit 100 receives throttle signal and vehicle speed signal, when throttle signal is effective, be throttle when output is arranged, the vehicle speed value of vehicle speed signal is greater than the preset vehicle speed value, as greater than 15 kilometers/hour, at this moment, controller unit 100 is controlled six road IGBT module conductings by control signal 1U, 2U, 1V, 2V, 1W, 2W, and controls 1 conducting of first relay R by control signal X1, and the 2 not conductings of the second relay relay R, like this, permagnetic synchronous motor 230 is in running order; Otherwise, when the vehicle speed value of vehicle speed signal less than the preset vehicle speed value, as less than 15 kilometers/hour, at this moment, controller unit 100 control signal 1U, 2U, 1V, 2V, 1W, 2W control six road IGBT module conductings, and control 2 conductings of second relay R by control signal X2, and the 1 not conducting of first relay R, like this, dc brushless motor is in running order.Thereby; by vehicle speed signal and throttle signal; control the mode of operation of first and second relays by controller unit, select suitable machine operation, realize time-sharing work; can protect permagnetic synchronous motor to greatest extent; avoid under the low speed situation, big electric current is for the frequent impact of permagnetic synchronous motor, simultaneously; also use low power dc brushless motor under the low speed situation, can start more fast and can farthest save electric energy.
As can be seen from Figure 1, more function that the control module of present embodiment is integrated in control first motor and the second motor time-sharing work, can also have overvoltage, under-voltage, overcurrent, short circuit and overheat protector function.
Wherein, communication module 310 has been realized the communication of Central Processing Unit (CPU) 100 by the CAN communicating circuit, can transmit outside signal and enter Central Processing Unit (CPU), and the data message of this Central Processing Unit (CPU) 100 is sent to the entire car controller unit.
Motor signal processing module 320 is used for gathering and the processing motor signal, as magslip pumping signal EX1, EX2, and magslip feedback signal S1, S2, S3, S4, and motor temperature sensor signal NTC1, NTC2.
Current detection circuit 330 is used for gathering and the dc bus current signal IP for the treatment of of battery and motor triple line current signal IU, IV, IW.
Temperature sensing circuit 340 is used for importing into to central process unit the temperature signal of each IGBT module, and the temperature signal of each IGBT module can be obtained by temperature collection circuit.
DC bus-bar voltage testing circuit 350 is used for importing DC bus-bar voltage signal UDC into to central process unit, and this DC bus-bar voltage signal UDC can be obtained by DC bus-bar voltage collection circuit.
Power-switching circuit 360 is used for providing suitable power supply to other system.
Each signal of motor signal processing module, current detection circuit, temperature sensing circuit, the output of DC bus-bar voltage testing circuit is spread out of by communication module by central process unit; as spread out of to upper computer; the situation of learning circuit that can be real-time; make system have overvoltage, under-voltage, overcurrent, short circuit and overheat protector function, have better safety and integration.
In addition, the present invention also provides the motor control method of above-mentioned electronlmobil, comprising: obtain vehicle speed signal, and obtain throttle signal; When throttle signal is effective, if vehicle speed signal greater than the preset vehicle speed value, then drives first machine operation, otherwise, drive second machine operation.With reference to shown in Figure 3, control method for the embodiment of the electric machine control system of above-mentioned electronlmobil, Central Processing Unit (CPU) is after receiving vehicle speed signal and receiving throttle signal by the electrode signal processing module, judge according to the preset vehicle speed value, and send corresponding driving signal, when the vehicle speed signal value surpassed the preset vehicle speed value, Central Processing Unit (CPU) was to the first driver element output drive signal, thus the work of driving permagnetic synchronous motor; Otherwise Central Processing Unit (CPU) drives dc brushless motor work to the second driver element output drive signal, thereby realizes the time-sharing work of the motor of different capacity.
The above is preferred embodiment of the present invention only, and the present invention is not limited to this.
Though the present invention is described in conjunction with above embodiment, but the present invention is not defined to above-described embodiment, and only being subjected to the restriction of claims, those of ordinary skills can easily make amendment to it and change, but do not leave essence design of the present invention and scope.

Claims (9)

1. the electric machine control system of an electronlmobil is characterized in that, comprising:
Controller unit, first driver element, second driver element, first motor and second motor;
Described controller unit receives vehicle speed signal and throttle signal, when throttle signal is effective, whether greater than the preset vehicle speed value, controller unit is controlled the mode of operation of first driver element and second driver element to realize first motor or second machine operation according to the size of vehicle speed signal.
2. control system according to claim 1, it is characterized in that, described first driver element and second driver element are respectively first relay and second relay, are connected with first relay and second relay respectively between the input end of described first motor, second motor and the three-phase output end of three-phase voltage type rectifier.
3. control system according to claim 2 is characterized in that, described three-phase voltage type rectifier is the half bridge rectifier of six road IGBT modules, and described controller unit is controlled the conducting state of six road IGBT modules.
4. control system according to claim 2 is characterized in that, described first motor is permagnetic synchronous motor, and described second motor is dc brushless motor.
5. control system according to claim 1 is characterized in that, described control system comprises velocity checking circuits, and described controller unit receives vehicle speed signal by the motor signal processing circuit.
6. control system according to claim 1 is characterized in that, described control system connects entire car controller by the CAN communicating circuit, thereby obtains throttle signal.
7. control system according to claim 3 is characterized in that, also comprises the temperature sensing circuit that is connected with controller unit, for detection of the temperature signal of six road IGBT modules.
8. control system according to claim 1 is characterized in that, also comprises one of the bus voltage testing circuit that is connected with controller unit, power module, current detection circuit or their combination.
9. the motor control method of an electronlmobil is characterized in that, comprising:
Obtain vehicle speed signal, and obtain throttle signal;
When throttle signal is effective, if vehicle speed signal greater than the preset vehicle speed value, then drives first machine operation, otherwise, drive second machine operation.
CN201310119450.8A 2013-04-08 2013-04-08 Motor control system and method for electric cars Active CN103204081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310119450.8A CN103204081B (en) 2013-04-08 2013-04-08 Motor control system and method for electric cars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310119450.8A CN103204081B (en) 2013-04-08 2013-04-08 Motor control system and method for electric cars

Publications (2)

Publication Number Publication Date
CN103204081A true CN103204081A (en) 2013-07-17
CN103204081B CN103204081B (en) 2015-02-04

Family

ID=48751559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310119450.8A Active CN103204081B (en) 2013-04-08 2013-04-08 Motor control system and method for electric cars

Country Status (1)

Country Link
CN (1) CN103204081B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104637929A (en) * 2015-02-03 2015-05-20 柳州市同进汽车零部件制造有限公司 IGBT (Insulated Gate Bipolar Transistor) module
CN111245302A (en) * 2018-11-28 2020-06-05 湖南中车时代电动汽车股份有限公司 Functional safety motor control system and motor system for new energy automobile
CN113200095A (en) * 2021-07-05 2021-08-03 北京理工大学 Solar automobile body and solar automobile
WO2022016812A1 (en) * 2020-07-24 2022-01-27 一巨自动化装备（上海）有限公司 High-low voltage signal sampling and transmission system based on high-voltage mcu

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3249127A1 (en) * 1982-02-24 1983-09-15 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Road vehicle powered by electric motor
JPS5932384A (en) * 1982-08-17 1984-02-21 Secoh Giken Inc Automatic variable speed gear
EP0472951A1 (en) * 1990-08-28 1992-03-04 Josef Jäger Driving device for a self-propelled vehicle
CN2806217Y (en) * 2005-06-22 2006-08-16 高岩 Small-sized car driven by dual-power
CN102055389A (en) * 2010-12-31 2011-05-11 东莞洲亮通讯科技有限公司 Stepless speed regulating method of double-speed brushless direct current motor for electric automobile
CN102923014A (en) * 2012-11-07 2013-02-13 安徽江淮汽车股份有限公司 Charging and motor controlling module of electric car

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3249127A1 (en) * 1982-02-24 1983-09-15 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Road vehicle powered by electric motor
JPS5932384A (en) * 1982-08-17 1984-02-21 Secoh Giken Inc Automatic variable speed gear
EP0472951A1 (en) * 1990-08-28 1992-03-04 Josef Jäger Driving device for a self-propelled vehicle
CN2806217Y (en) * 2005-06-22 2006-08-16 高岩 Small-sized car driven by dual-power
CN102055389A (en) * 2010-12-31 2011-05-11 东莞洲亮通讯科技有限公司 Stepless speed regulating method of double-speed brushless direct current motor for electric automobile
CN102923014A (en) * 2012-11-07 2013-02-13 安徽江淮汽车股份有限公司 Charging and motor controlling module of electric car

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104637929A (en) * 2015-02-03 2015-05-20 柳州市同进汽车零部件制造有限公司 IGBT (Insulated Gate Bipolar Transistor) module
CN111245302A (en) * 2018-11-28 2020-06-05 湖南中车时代电动汽车股份有限公司 Functional safety motor control system and motor system for new energy automobile
WO2022016812A1 (en) * 2020-07-24 2022-01-27 一巨自动化装备（上海）有限公司 High-low voltage signal sampling and transmission system based on high-voltage mcu
US11959948B2 (en) 2020-07-24 2024-04-16 Jee Automation Equipment (shanghai) Co., Ltd. High voltage signal and low voltage signal sampling and transmission system based on high voltage MCU
CN113200095A (en) * 2021-07-05 2021-08-03 北京理工大学 Solar automobile body and solar automobile
CN113200095B (en) * 2021-07-05 2022-01-11 北京理工大学 Solar automobile body and solar automobile

Also Published As

Publication number Publication date
CN103204081B (en) 2015-02-04

Similar Documents

Publication Publication Date Title
CN101161499B (en) A method for controlling mixing dynamic electrical machine working mode
CN102390285B (en) Electrically-driven system locked-rotor protecting and torque-limiting method
JP5200991B2 (en) Motor control method and apparatus for electric vehicle
US8818674B2 (en) Vehicle behavior controller
CN203445821U (en) Dual motor controller
JP2009232652A (en) Rotating electrical machine control system and vehicle driving system including the rotating electrical machine control system
CN103434415A (en) Motor vehicle driving system
CN103204081B (en) Motor control system and method for electric cars
JP2015107045A (en) Charge and discharge circuit and motor control device including the same
JP2015196447A (en) Power supply system for vehicle
CN105074156A (en) Cooling fan motor/inverter system for vehicles and control method and program therefor
CN104999922A (en) Electric vehicle
CN104802645A (en) Parallel type electric vehicle regeneration brake system and control method thereof
CN105539153B (en) The dual power supply electric power steering assembly and its control method of pure electric automobile
CN102336141B (en) System and method for monitoring torque of electric automobile
CN202193076U (en) Steering control system for hybrid vehicles
CN203472574U (en) Multi-phase motor system capable of operating in phase conversion mode
CN102991374A (en) Passive rectification protection system of electric vehicle motor controller
CN102765332A (en) Practical all-electric motor coach control system and control method thereof
CN104494462B (en) Electric automobile driving electric motor control
CN206264816U (en) A kind of electric vehicle motor controller
CN201994899U (en) Control system for permanent magnet synchronous motor
CN204915298U (en) Actuating system and electric motor car of bi -motor electric motor car
CN103042943A (en) Power down flow processing method and system of Plug-in automobile
CN104890848B (en) A kind of all electric propulsion naval vessel electric power energy power system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Hefei City, Anhui Province, 230022 East Road No. 176

Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd

Address before: Hefei City, Anhui Province, 230022 East Road No. 176

Patentee before: Anhui Jianghuai Automobile Co., Ltd.

CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province

Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd

Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province

Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd