CN104494462A - Control method of electric car driving motor - Google Patents
Control method of electric car driving motor Download PDFInfo
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- CN104494462A CN104494462A CN201410758543.XA CN201410758543A CN104494462A CN 104494462 A CN104494462 A CN 104494462A CN 201410758543 A CN201410758543 A CN 201410758543A CN 104494462 A CN104494462 A CN 104494462A
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- 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
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Abstract
The invention provides a control method of an electric car driving motor, and belongs to the technical field of the control of an electric car. The motor is controlled to work by a drive circuit and a drive power generation conversion circuit under the coordinative control of a main control circuit, the work state of the motor is classified into a drive state and a brake energy recycling and power generation state, the drive control and the brake energy recycling and power generation control are integrated by adopting the electric car motor control method, so that simplicity, stability, safety and reliability in control can be realized, not only can the drive efficiency of the motor be optimized, but also the recycling and power generation of the brake energy when the electric car brakes can be effectively realized, and a purpose of reducing energy consumption and improving the driving range of the electric car can be realized.
Description
Technical field
The invention provides a kind of electric automobile driving electric motor control, belong to Control of Electric Vehicles technical field.
Background technology
Electronlmobil has the advantages such as high efficiency, low noise, zero-emission, incomparable advantage is had in environmental protection and energy-saving square mask, its application and the universal inexorable trend having become auto-industry sustainable development, but insufficient driving range remains the bottleneck problem of restriction pure electric automobile industrialization, electronlmobil has a large amount of kinetic energy to be lost by frictional heating in braking procedure, and energy dissipation is serious.Patent of invention as Granted publication on the 11st July in 2012: a kind of electric machine controller of electronlmobil and control method thereof, Authorization Notice No.: CN101565003B, this control method is according to the technical requirements of magneto-electric machine used for electric vehicle, determine structure and the method for control system, considering cost and efficiency, control chip adopts the micro controller system of company of Infineon, complete and comprise vector controlled, space vector pulse width modulation (SVPWM), the electric machine control functions such as analogue to digital conversion (A/D) and trouble diagnosing, entire car controller comprises motor running mode by car load high-speed CAN bus to electric machine controller request, the signals such as torque command, after micro controller system treatment and analysis, control power device and export corresponding electric current, motor is made to export corresponding moment of torsion, respond current running state to entire car controller simultaneously, thus complete an electric machine control process.Do not have the control of Brake energy recovery generating state in the control method of this motor in electric automobile, control method is single, and braking energy of electric automobiles does not obtain effective recycling, and its in-use performance needs further improvement.
Summary of the invention
The object of this invention is to provide one and can overcome above-mentioned defect, have braking energy of electric automobiles and reclaim electricity generate function, motor control method is stablized, safe and reliable electric automobile driving electric motor control, and its technology contents is:
Electric automobile driving electric motor control, governor circuit cooperation control driving circuit and driving generating change-over circuit, make drive motor work, it is characterized in that: the mode of operation of drive motor is divided into driving condition and Brake energy recovery generating state;
Driving condition, governor circuit receives the drive singal sent from chaufeur, close and drive generating change-over circuit, mu balanced circuit is protected, confirm the voltage driving storage battery needed for electronlmobil, if when the voltage getting storage battery is lower than setting value, governor circuit stops sending pulse drive signal to driving circuit, send alarm signal to chaufeur simultaneously, prompting battery tension is too low, drive motor can not work, if when the voltage getting storage battery is higher than setting value, governor circuit detects drive motor rotor-position signal according to signal transducer, driving circuit is sent to after calculating the impulse singla needed for drive motor, drive pulse signal is carried out power gain and is input to inverter circuit by driving circuit, inverter circuit controls current switching and the direct current (DC) of storage battery is converted to three plase alternating current to flow to drive motor, thus make drive motor work, electronlmobil runs,
Brake energy recovery generating state, when governor circuit receives speed-slackening signal, close driving circuit, driving circuit and inverter circuit are protected, send impulse singla to driving generating change-over circuit simultaneously, generating change-over circuit is driven to send control signal to mu balanced circuit again, drive motor is made to be converted to the drag energy of electrical generator recovery electronlmobil, mu balanced circuit controls the distribution that electrical generator exports electric energy, if during storage battery underfill electricity, the power delivery accumulators that electrical generator exports by mu balanced circuit and load, if when storage battery is full of electricity, the electric energy that electrical generator exports only is flowed to load by mu balanced circuit.
The present invention compared with prior art, this electric automobile driving electric motor control can drive electronlmobil to run, can effectively reclaim drag energy again, reach energy-saving and cost-reducing object, ensure dynamic property, economy during electric automobile during traveling, increase electronlmobil continual mileage.
Accompanying drawing explanation
Fig. 1 is the control method block diagram of the embodiment of the present invention.
In figure: 1, governor circuit 2, driving circuit 3, inverter circuit 4, drive motor 5, storage battery 6, mu balanced circuit 7, signal transducer 8, load 9, driving generating change-over circuit 10, electronlmobil.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Electric automobile driving electric motor control, governor circuit 1 cooperation control driving circuit 2 and driving generating change-over circuit 9, make drive motor 4 work, it is characterized in that: the mode of operation of drive motor 4 is divided into driving condition and Brake energy recovery generating state;
Driving condition, governor circuit 1 receives the drive singal sent from chaufeur, close and drive generating change-over circuit 9, mu balanced circuit 6 is protected, confirm the voltage driving storage battery 5 needed for electronlmobil, if when the voltage getting storage battery 5 is lower than setting value, governor circuit 1 stops sending pulse drive signal to driving circuit 2, send alarm signal to chaufeur simultaneously, prompting storage battery 5 voltage below level, drive motor 4 can not work, if when the voltage getting storage battery 5 is higher than setting value, governor circuit 1 detects drive motor 4 rotor-position signal according to signal transducer 7, driving circuit 2 is sent to after calculating the impulse singla needed for drive motor 4, drive pulse signal is carried out power gain and is input to inverter circuit 3 by driving circuit 2, inverter circuit 3 controls current switching and the direct current (DC) of storage battery 5 is converted to three plase alternating current to flow to drive motor 4, thus drive motor 4 is worked, electronlmobil 10 runs,
Brake energy recovery generating state, when governor circuit 1 receives speed-slackening signal, close driving circuit 2, driving circuit 2 and inverter circuit 3 are protected, send impulse singla to driving generating change-over circuit 9 simultaneously, generating change-over circuit 9 is driven to send control signal to mu balanced circuit 6 again, drive motor 4 is made to be converted to the drag energy of electrical generator recovery electronlmobil 10, mu balanced circuit 6 controls the distribution that electrical generator exports electric energy, if during storage battery 5 underfill electricity, the power delivery accumulators 5 that electrical generator exports by mu balanced circuit 6 and load 8, if when storage battery 5 is full of electricity, the electric energy that electrical generator exports only is flowed to load 8 by mu balanced circuit 6.
Claims (1)
1. an electric automobile driving electric motor control, governor circuit (1) cooperation control driving circuit (2) and driving generating change-over circuit (9), drive motor (4) is worked, it is characterized in that: the mode of operation of drive motor (4) is divided into driving condition and Brake energy recovery generating state;
Driving condition, governor circuit (1) receives the drive singal sent from chaufeur, close and drive generating change-over circuit (9), mu balanced circuit (6) is protected, confirm the voltage driving storage battery (5) needed for electronlmobil, if when the voltage getting storage battery (5) is lower than setting value, governor circuit (1) stops sending pulse drive signal to driving circuit (2), send alarm signal to chaufeur simultaneously, prompting storage battery (5) voltage below level, drive motor (4) can not work, if when the voltage getting storage battery (5) is higher than setting value, governor circuit (1) detects drive motor (4) rotor-position signal according to signal transducer (7), driving circuit (2) is sent to after calculating the impulse singla needed for drive motor (4), drive pulse signal is carried out power gain and is input to inverter circuit (3) by driving circuit (2), inverter circuit (3) controls current switching and the direct current (DC) of storage battery (5) is converted to three plase alternating current to flow to drive motor (4), thus drive motor (4) is worked, electronlmobil (10) runs,
Brake energy recovery generating state, when governor circuit (1) receives speed-slackening signal, close driving circuit (2), driving circuit (2) and inverter circuit (3) are protected, send impulse singla to driving generating change-over circuit (9) simultaneously, generating change-over circuit (9) is driven to send control signal to mu balanced circuit (6) again, drive motor (4) is made to be converted to the drag energy of electrical generator recovery electronlmobil (10), mu balanced circuit (6) controls the distribution that electrical generator exports electric energy, if during storage battery (5) underfill electricity, the power delivery accumulators (5) that electrical generator exports by mu balanced circuit (6) and load (8), if when storage battery (5) is full of electricity, the electric energy that electrical generator exports only is flowed to load (8) by mu balanced circuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410758543.XA CN104494462B (en) | 2014-12-12 | 2014-12-12 | Electric automobile driving electric motor control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410758543.XA CN104494462B (en) | 2014-12-12 | 2014-12-12 | Electric automobile driving electric motor control |
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| CN104494462A true CN104494462A (en) | 2015-04-08 |
| CN104494462B CN104494462B (en) | 2016-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017148076A1 (en) * | 2016-02-29 | 2017-09-08 | 华为技术有限公司 | Electric motor drive apparatus and electric automobile |
| CN107848423A (en) * | 2015-07-29 | 2018-03-27 | 日产自动车株式会社 | The control device of electric vehicle and the control method of electric vehicle |
| CN109515209A (en) * | 2018-10-18 | 2019-03-26 | 南京世界村汽车动力有限公司 | A kind of new-energy automobile electric-control system |
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| CN1827419A (en) * | 2006-03-27 | 2006-09-06 | 西安交通大学 | Method for reclaiming braking energy from automobile retarder and system thereof |
| CN202243053U (en) * | 2011-10-28 | 2012-05-30 | 三门峡速达交通节能科技有限公司 | Pure electric automobile composite power energy management forecast control system |
| CN103241126A (en) * | 2013-05-13 | 2013-08-14 | 江苏大学 | Electric car brake energy recovery system |
| JP2014091504A (en) * | 2012-11-07 | 2014-05-19 | Hitachi Ltd | Railway vehicle drive system |
| CN203623392U (en) * | 2013-11-28 | 2014-06-04 | 广东玛西尔电动科技有限公司 | Electric bicycle driving control system |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2749164Y (en) * | 2004-10-19 | 2005-12-28 | 项青松 | Regenerated energy controller for motor vehicle |
| CN1827419A (en) * | 2006-03-27 | 2006-09-06 | 西安交通大学 | Method for reclaiming braking energy from automobile retarder and system thereof |
| CN202243053U (en) * | 2011-10-28 | 2012-05-30 | 三门峡速达交通节能科技有限公司 | Pure electric automobile composite power energy management forecast control system |
| JP2014091504A (en) * | 2012-11-07 | 2014-05-19 | Hitachi Ltd | Railway vehicle drive system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848423A (en) * | 2015-07-29 | 2018-03-27 | 日产自动车株式会社 | The control device of electric vehicle and the control method of electric vehicle |
| WO2017148076A1 (en) * | 2016-02-29 | 2017-09-08 | 华为技术有限公司 | Electric motor drive apparatus and electric automobile |
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| CN109515209A (en) * | 2018-10-18 | 2019-03-26 | 南京世界村汽车动力有限公司 | A kind of new-energy automobile electric-control system |
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| CN104494462B (en) | 2016-11-30 |
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Application publication date: 20150408 Assignee: Wang Xuquan Assignor: Shandong University of Technology Contract record no.: 2017370000019 Denomination of invention: Electric automobile driving electric motor control method and control system thereof Granted publication date: 20161130 License type: Exclusive License Record date: 20170331 |
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| CI03 | Correction of invention patent | ||
| CI03 | Correction of invention patent |
Correction item: A transferee of the entry into force of the contract Correct: Jun Tang Ling Ou, Shandong Automobile Manufacturing Co., Ltd. False: Wang Xuquan Number: 11 Volume: 33 |