CN104029606B - A kind of automobile permanent magnet synchronous motor distance increasing unit control method - Google Patents
A kind of automobile permanent magnet synchronous motor distance increasing unit control method Download PDFInfo
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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
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
A kind of automobile permanent magnet synchronous motor distance increasing unit control method, belongs to distance increasing unit and controls technical field。The present invention adopts permagnetic synchronous motor simultaneously as starter and electromotor, compact conformation, and power density is high, and generating efficiency is high, it is not necessary to extra starting motor, has saved space and cost；Electromotor always works at high fuel efficiency rotating speed district。Utilize voltage, current sensor detected value to judge battery capacity, driver are intended to and driving demand simultaneously, need not transform former vehicle to obtain the travel information of throttle or brake pedal, it is judged that process is accurate rapidly。Power demand according to car load, distance increasing unit can be operated under various modes, it is possible to effectively extends VMT Vehicle-Miles of Travel, does not affect the power performance of vehicle simultaneously, and can avoid battery over-discharge, thus extending battery life。
Description
Technical field
The present invention relates to a kind of automobile-used distance increasing unit, especially the control method of permagnetic synchronous motor distance increasing unit。
Background technology
Along with the pay attention to day by day for environmental protection day by day in short supply and national of petroleum resources in the world, electric automobile is subject to increasing attention。But electric automobile many employings accumulator in the market is as power source, it is limited to the development of battery technology, the distance travelled number of electric automobile can not reach the expection of people always, and the life of storage battery of electric automobile also greatly reduces because of regular deep discharge。
Automobile-used distance increasing unit can be directly accessed the dynamical system of vehicle, as auxiliary power source, by driven by engine electrical power generators, provides electric energy when Vehicular battery electricity deficiency for car load, it is possible to extends the distance travelled of electric automobile。Currently, automobile-used distance increasing unit has a multiple solution, but the problem of yet suffering from, as: some distance increasing unit product is only with constant generated output output, it is impossible to maximally utilise electromotor and generator capacity；Other distance increasing unit control method needs detection battery dump energy, and the stroke needing detection vehicle accelerator pedal or brake pedal realizes being intended to judge to driver, thus determining the mode of operation of distance increasing unit, distance increasing unit as described in patent No. CN102616148A controls to need the stroke of accurately detection battery dump energy and auto pedal。But battery dump energy is difficult to accurate judgement, and gas pedal or brake pedal stroke detection need special pedal, or the existing pedal of vehicle is reequiped, thus adding hardware cost and technical complexity。
Summary of the invention
It is an object of the invention to provide a kind of automobile permanent magnet synchronous motor distance increasing unit control method, can interpolate that battery status and driver are intended to by detecting busbar voltage and electric current, thus determining the mode of operation of permagnetic synchronous motor distance increasing unit, fuel utilization ratio can be improved under the premise guaranteeing power performance, extend VMT Vehicle-Miles of Travel, and accumulator super-charge and overdischarge can be prevented。
To achieve these goals, the present invention adopts distance increasing unit 8 as shown in Figure 1, including: increasing range controller 1, engine block 2, rotor-position detection 3, permagnetic synchronous motor 4, current detecting 1～451～54, electric machine controller 6, voltage detecting 7 form。Electromotor 22 and the permagnetic synchronous motor 4 of engine block 2 are mechanically connected；The three-phase alternating current side of permagnetic synchronous motor 4 and the three-phase alternating current side electrical connection of electric machine controller 6；The DC side of electric machine controller 6 is connected electrically to the bus of automotive power。
Permagnetic synchronous motor 4 is starting/power generation integrated motor, when needs distance increasing unit works, first as starting motor, is used for starting electromotor 22；When engine speed reaches generating setting speed, permagnetic synchronous motor 4 keeps constant rotational speed n as the rotating speed of generated output power, electromotor and permagnetic synchronous motor。
Distance increasing unit control method provided by the invention, is by detecting busbar voltage Udc, current value IloadAnd variable quantity, control distance increasing unit and work in starting pattern, boost mode, field weakening mode, feedback pattern, shutdown mode respectively。Wherein:
As busbar voltage UdcLess than Udcmin, load current IloadHigher than Iloadmax, and the lasting T of this state1Time, then battery electric quantity is not enough, and distance increasing unit enters starting pattern。
When distance increasing unit is in running order, as load current IloadMore than Iloadmin, less than Iloadmax, and IloadIncrement rate in time is less than Δ IloadTime, then car load is in the more stable state of speed, and distance increasing unit is operated in boost mode。
When distance increasing unit is in running order, as load current IloadMore than Iloadmax, and IloadIncrement rate in time is more than Δ IloadTime, then car load is in acceleration or climbing state, and distance increasing unit is operated in field weakening mode。
When distance increasing unit is in running order, as load current IloadDuring less than 0, then car load is in feedback pattern, and distance increasing unit enters feedback pattern。
When distance increasing unit is in boost mode, as busbar voltage UdcHigher than Udcmax, battery current IbLess than Ibmin, and the lasting T of this state2During the time, then the dump energy of battery is more, enters shutdown mode and closes distance increasing unit。
Distance increasing unit control method under different working modes is as follows:
When distance increasing unit is in starting pattern: increase range controller 1 and utilize rotational speed setup n*, the given I of d shaft currentd *=0 as specified rate and permagnetic synchronous motor 4 actual speed n, actual d shaft current Id, actual q shaft current IqSpeed and current double closed loop control strategy as feedback quantity, output vector control signal, control permagnetic synchronous motor 4 by electric machine controller 6 and arrive engine idle n as starting driven by motor engine speed, now increase range controller 1 and start signal to engine block 2, electromotor 22 is started working, and then drives permagnetic synchronous motor 4 to generate electricity。
When distance increasing unit is in boost mode: increase range controller 1 and utilize busbar voltage to give Udc *, the given I of d shaft currentd *=0 as specified rate and actual bus voltage Udc, actual d shaft current Id, actual q shaft current IqAs the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, controlling permagnetic synchronous motor 4 by electric machine controller 6 provides driving power as electromotor to car load, charges the battery simultaneously。
When distance increasing unit is in field weakening mode: increase range controller 1 by reversely increasing d shaft current IdRealize the magnetic to motor, reduce busbar voltage Udc, until battery current I being detectedb< 0, namely battery operated in discharge condition, now increase range controller 1 and utilize current busbar voltage as the given U of busbar voltagedc *, according to send permagnetic synchronous motor 4 maximum work Generation Rate need generating torque TeWith actual d shaft current IdDetermine that q shaft current gives Iq *As specified rate and actual bus voltage Udc, actual d shaft current Id, actual q shaft current IqAs the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, control permagnetic synchronous motor 4 as electromotor by electric machine controller 6, provide to car load together with battery and drive power。
When distance increasing unit is in feedback pattern: increase range controller 1 and utilize d shaft current to give Id *=0, the given I of q shaft currentq *=0 as specified rate and actual d shaft current Id, actual q shaft current IqAs the closed-loop current control strategy of feedback quantity, output vector control signal, control permagnetic synchronous motor 4 not output by electric machine controller 6。
Compared with prior art, the invention have the advantages that
1. adopting permagnetic synchronous motor simultaneously as starter and electromotor, compact conformation, power density is high, and generating efficiency is high, it is not necessary to extra starting motor, has saved space and cost；Electromotor always works at high fuel efficiency rotating speed district。
2. battery capacity, driver are intended to and driving demand to utilize voltage, current sensor detected value to judge, need not transform former vehicle to obtain the travel information of throttle or brake pedal, it is judged that process is accurate rapidly。
3. the power demand according to car load, distance increasing unit can be operated under various modes, it is possible to effectively extends VMT Vehicle-Miles of Travel, does not affect the power performance of vehicle simultaneously, and can avoid battery over-discharge, thus extending battery life。
Accompanying drawing explanation
Fig. 1 is the structured flowchart of distance increasing unit used for electric vehicle
Fig. 2 is the control method block diagram of distance increasing unit
In figure: 1, increase range controller, 2, engine block, 3, rotor-position detection, 4, permagnetic synchronous motor, 51～54, current detecting I～IV, 6, electric machine controller, 7, voltage detecting, 8, distance increasing unit。
Detailed description of the invention
Fig. 1 is the structured flowchart of automobile permanent magnet synchronous motor distance increasing unit, and distance increasing unit 8 is made up of increasing range controller 1, engine block 2, rotor-position detection 3, permagnetic synchronous motor 4, current detecting 1～451～54, electric machine controller 6, voltage detecting 7。Wherein:
Increasing range controller 1 primary responsibility and receive the signals such as various voltages, power supply, send instruction to after treatment electric machine controller 6 and engine block 3, its hardware carrier can be one or several combinations in DSP, FPGA, ARM, PLC。
Engine block 2 is made up of engine controller 21 and electromotor 22, and engine controller 21 can be mechanical manipulator can also be electronic controller。Electromotor 22 can be petrol engine can also be Diesel engine。
Rotor-position detection 3 is used for detecting the rotor position information that permagnetic synchronous motor 4 is current, outputs signal to increasing range controller 1。Hardware realization can be the sensor of Hall-type position sensor, rotary transformer or other measurement rotor-positions。
Permagnetic synchronous motor 4 is that starting/power generation integrated formula permagnetic synchronous motor, its rotating shaft and electromotor 22 are mechanically connected；Its three-phase alternating current side is connected with electric machine controller 6 through current detecting 151。It act as: when distance increasing unit 8 starts as starting electric motor starting electromotor 22, provide power as electromotor to car load when distance increasing unit 8 is in mode of operation。
Current detecting 151 is to utilize the current detecting modes such as current sensor to detect permagnetic synchronous motor 4 three-phase voltage Ia、Ib、IcIn any two, then output signal to increasing range controller 1。
Current detecting 252, current detecting 353, current detecting 454 these three are to utilize the current detecting modes such as current sensor to detect motor output electric current I respectivelydc, load current IloadWith battery current Ib, then output signal to increasing range controller 1 again。Current detecting 252, current detecting 353, current detecting 454 these three can only use any two or three all use。
Electric machine controller 6 is a kind of three phase full bridge being made up of six full-controlled switching elements, and electric machine controller 6 AC and the electrical connection of permagnetic synchronous motor 4 AC, DC side and automotive power bus are electrically connected。When distance increasing unit 8 starts, electric machine controller 6 controls permagnetic synchronous motor 4 and starts；When distance increasing unit 8 is in mode of operation, the electricity that permagnetic synchronous motor 4 sends flows to bus by electric machine controller 6, provides car load electric energy。
Voltage detecting 7 utilizes other voltage detecting modes such as voltage sensor to detect busbar voltage Udc, then output signals to increase range controller 1。
Fig. 2 is the control method block diagram of distance increasing unit。Increase range controller 1 according to any two in voltage detecting 7 and current detecting 252, current detecting 353, current detecting 454 these three, namely can obtain busbar voltage Udc, motor output electric current Idc, load current Iload, battery current IbThese 4 amounts, utilize current detecting 1 to detect the three-phase current I of permagnetic synchronous motora、Ib、Ic, become permagnetic synchronous motor 4d shaft current I again through vector 15d, q shaft current Iq。According to these signals, increase range controller 1 and judge the driving intention of present battery status and driver, thus judging whether distance increasing unit starts and determine the mode of operation of distance increasing unit。Concrete determination methods is as follows:
As busbar voltage UdcLess than Udcmin, load current IloadHigher than Iloadmax, and the lasting T of this state1Time, then battery electric quantity is not enough, and distance increasing unit enters starting pattern。
When distance increasing unit is in running order, as load current IloadMore than Iloadmin, less than Iloadmax, and IloadIncrement rate in time is less than Δ IloadTime, then car load is in the more stable state of speed, and distance increasing unit is operated in boost mode。
When distance increasing unit is in running order, as load current IloadMore than Iloadmax, and IloadIncrement rate in time is more than Δ IloadTime, then car load is in acceleration or climbing state, and distance increasing unit is operated in field weakening mode。
When distance increasing unit is in running order, as load current IloadDuring less than 0, then car load is in feedback pattern, and distance increasing unit enters feedback pattern。
When distance increasing unit is in controlled rectification pattern, as busbar voltage UdcHigher than Udcmax, battery current IbLess than Ibmin, and the lasting T of this state2During the time, then battery dump energy is more, enters shutdown mode and closes distance increasing unit。
Mode of operation according to distance increasing unit, controls permagnetic synchronous motor 4 running status again through electric machine controller 6。Implement process as follows:
Distance increasing unit starts pattern and implements process such as shown in speed and current double closed loop 11: utilize d shaft current to give Id *=0 as specified rate, the actual d shaft current I of permagnetic synchronous motor 4dAs feedback quantity, export d shaft voltage U by current closed-loopd；Utilize rotational speed setup n simultaneously*As specified rate, the actual speed n of permagnetic synchronous motor 4, actual q shaft current IqAs feedback quantity, export q shaft voltage U by speed and current double closed loopq。Output pwm signal G is modulated again through control signal vector1～G6To electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G1～G6Signal controls permagnetic synchronous motor 4 and arrives engine idle n as starting driven by motor electromotor 22 rotating speed。
Distance increasing unit boost mode implements process such as shown in two close cycles 12: utilize a current busbar voltage U of ratiodcThe busbar voltage of high Δ U gives Udc *As specified rate, current busbar voltage Udc, the actual q shaft current I of permagnetic synchronous motor 4qAs feedback quantity, export q shaft voltage U by voltage and current double closed-loopq；Utilize d shaft current to give I simultaneouslyd *=0 as specified rate, the actual d shaft current I of permagnetic synchronous motor 4dAs feedback quantity, export d shaft voltage U by current closed-loopd。Output pwm signal G is modulated again through control signal vector1～G6To electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G1～G6Signal controls permagnetic synchronous motor 4 and generates electricity。As actual bus voltage UdcEqual to the given U of busbar voltagedc *Time, continue at current busbar voltage UdcBasis on increase Δ U and obtain the given U of new busbar voltagedc *As specified rate, repeat above-mentioned double-closed-loop control process。Until according to the actual bus voltage U detecteddcElectric current I is exported with real electrical machinerydc, obtain the generated output P=U of permagnetic synchronous motor 4dcIdcEqual to the rated generation power of electromotor, or battery current IbMore than battery maximum charging current IbmaxTime, then with current actual bus voltage UdcAs busbar voltage set-point Udc *, maintain permagnetic synchronous motor 4 and the state driving power simultaneously to charge the battery be provided to car load as electromotor。
Distance increasing unit field weakening mode utilizes d shaft current idMotor is carried out weak magnetic, reduces busbar voltage Udc, thus allowing permagnetic synchronous motor 4 provide power to car load together with battery。Implement process such as shown in two close cycles 13: with a ratio actual bus voltage UdcThe busbar voltage of low Δ U gives Udc *As specified rate, current busbar voltage Udc, the actual d shaft current I of permagnetic synchronous motor 4dAs feedback quantity, export d shaft voltage U by voltage and current double closed-loopd；Simultaneously according to permagnetic synchronous motor 4 maximum generation power Pmax, according to Temax=9.55Pmax/ n obtains maximum generation torque Temax, utilize torque TemaxWith actual d shaft current IdObtain the given I of q shaft currentq *As specified rate, actual q shaft current IqAs feedback quantity, export q shaft voltage U by current closed-loopq。Output pwm signal G is modulated again through control signal vector1～G6To electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G1～G6Signal controls permagnetic synchronous motor 4 and generates electricity。As actual bus voltage UdcEqual to the given U of busbar voltagedc *Time, continue at actual bus voltage UdcBasis on subtract Δ U and obtain the given U of new busbar voltagedc *As specified rate, repeat above-mentioned double-closed-loop control process。Until battery current I being detectedb< 0, namely battery operated in discharge condition, then with current actual bus voltage UdcAs busbar voltage set-point Udc *, maintain permagnetic synchronous motor 4 and the state of power be provided to car load together with battery。
Distance increasing unit feedback pattern implements process such as shown in two close cycles 13: utilize d shaft current to give Id *=0 as specified rate, the actual d shaft current I of permagnetic synchronous motor 4dAs feedback quantity, export d shaft voltage U by current closed-loopd；Utilize q shaft current to give I simultaneouslyq *=0 as specified rate, the actual q shaft current I of permagnetic synchronous motor 4qAs feedback quantity, export q shaft voltage U by current closed-loopq。Output pwm signal G is modulated again through control signal vector1～G6To electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G1～G6Signal controls permagnetic synchronous motor 4 not output。
Claims (6)
1. an automobile permanent magnet synchronous motor distance increasing unit control method, it is characterised in that: permagnetic synchronous motor distance increasing unit includes increasing range controller (1), engine block (2), rotor-position detecting element (3), permagnetic synchronous motor (4), current measuring element I～IV (51～54), electric machine controller (6), voltage detector component (7)；The electromotor (22) of engine block (2) and permagnetic synchronous motor (4) are mechanically connected；The three-phase alternating current side of permagnetic synchronous motor (4) and the three-phase alternating current side electrical connection of electric machine controller (6)；The DC side of electric machine controller (6) is connected electrically to the bus of automotive power；Described permagnetic synchronous motor (4) is starting/power generation integrated motor；
Increase range controller (1) and detect automotive power busbar voltage U by voltage detector component (7) and current measuring element III (53)dc, current value IloadAnd the variable quantity of voltage x current, control distance increasing unit and work in starting pattern, boost mode, field weakening mode, feedback pattern, shutdown mode respectively；
Current measuring element I (51) detects the three-phase current of permagnetic synchronous motor, and current measuring element II (52) detects automotive power bus current, and current measuring element IV (54) detects battery current；
The outfan of current measuring element I～IV (51～54) and voltage detector component (7) is all connected to increase in range controller (1), and the control end increasing range controller (1) is connected with electric machine controller (6) with engine controller (21) respectively。
2. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 1, it is characterised in that:
Increase range controller (1) and measure automotive power busbar voltage U by voltage detector component (7)dc；Automotive power load current value I is measured by current measuring element III (53)load；As busbar voltage UdcLess than Udcmin, load current IloadHigher than Iloadmax, and this state duration is T1, then battery electric quantity is not enough, and distance increasing unit enters starting pattern；Now Udcmin=55V, Iloadmax=100A, T1=5s；
When distance increasing unit is in running order, as load current IloadMore than IloadminAnd less than Iloadmax, and IloadIncrement rate in time is less than Δ IloadTime, then car load is in the more stable state of speed, and distance increasing unit is operated in boost mode；Now Iloadmin=0A, Iloadmax=80A, Δ Iload=20A/s；
When distance increasing unit is in running order, as load current IloadMore than IloadmaxTime, and IloadIncrement rate in time is more than Δ IloadTime, then car load is in acceleration or climbing state, and distance increasing unit is operated in field weakening mode；Now Iloadmax=80A, Δ Iload=20A/s；
When distance increasing unit is in running order, as load current IloadDuring less than 0, then car load is in feedback pattern, and distance increasing unit enters feedback pattern；
When distance increasing unit is in boost mode, as busbar voltage UdcHigher than Udcmax, battery current IbLess than Ibmin, and be T during this state duration2, then the dump energy of battery is more, enters shutdown mode and closes distance increasing unit；Udcmax=60V, Ibmin=10A, T2=5s；
Described UDcmin,UdcmaxThe respectively minima of busbar voltage and maximum, IloadminAnd IloadmaxThe respectively minima of load current and maximum, Δ IloadFor the increment rate of load current, IbminMinima for battery current。
3. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, it is characterised in that: when distance increasing unit is in starting pattern: increase range controller (1) and utilize the rotational speed setup n of permagnetic synchronous motor (4)*, the given I of d shaft currentd *=0 as specified rate and permagnetic synchronous motor (4) actual speed n, actual d shaft current Id, actual q shaft current IqSpeed and current double closed loop control strategy as feedback quantity, output vector control signal, control permagnetic synchronous motor by electric machine controller (6) and arrive engine idle n as starting driven by motor engine speed, now increase range controller (1) and start signal to engine block (2), electromotor is started working, and then drives permagnetic synchronous motor generating；Wherein the d axle of permagnetic synchronous motor (4) and q shaft current are obtained through vector by permagnetic synchronous motor (4) three-phase current。
4. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, it is characterised in that: when increasing range controller (1) is in boost mode: increase range controller (1) and utilize busbar voltage to give Udc *, the given I of d shaft currentd *=0 as specified rate and actual bus voltage Udc, actual d shaft current Id, actual q shaft current IqAs the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, controlling permagnetic synchronous motor by electric machine controller (6) provides driving power as electromotor to car load, charges the battery simultaneously。
5. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, it is characterised in that: when distance increasing unit is in field weakening mode: increase range controller (1) by reversely increasing d shaft current IdRealize the weak magnetic of motor, reduce busbar voltage Udc, until battery current I being detectedb< 0, namely battery operated in discharge condition, now increase range controller (1) and utilize current busbar voltage as the given U of busbar voltagedc *, according to send permagnetic synchronous motor (4) maximum work Generation Rate need generating torque TeWith actual d shaft current IdDetermine that q shaft current gives Iq *As specified rate and actual bus voltage Udc, actual d shaft current Id, actual q shaft current IqAs the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, control permagnetic synchronous motor as electromotor by electric machine controller (6), provide to car load together with battery and drive power。
6. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, it is characterised in that: when distance increasing unit is in feedback pattern: increase range controller (1) and utilize d shaft current to give Id *=0, the given I of q shaft currentq *=0 as specified rate and actual d shaft current Id, actual q shaft current IqAs the closed-loop current control strategy of feedback quantity, output vector control signal, control permagnetic synchronous motor by electric machine controller (6) and be in Light Condition, do not provide electrical power to car load。
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| CN104601078B (en) * | 2014-12-25 | 2017-10-17 | 国网浙江省电力公司嵊泗县供电公司 | A kind of control method of power system multi-function motor |
| CN104579087B (en) * | 2014-12-25 | 2017-08-15 | 贵州标准电机有限公司 | A kind of motor control method of low-cost environmental-protecting |
| CN105790642B (en) * | 2016-05-05 | 2018-06-29 | 江苏华源防爆电机有限公司 | System is protected in motor clean boot |
| CN105904990B (en) * | 2016-05-30 | 2019-03-26 | 江阴凹帆电子科技有限公司 | It is applicable in energy management method, the apparatus and system of drive system of electric motor vehicle |
| CN106671797B (en) * | 2016-12-31 | 2019-06-21 | 潍坊经纬动力科技有限公司 | A kind of distance increasing unit control method |
| CN107134958B (en) * | 2017-07-10 | 2019-03-08 | 绵阳美菱软件技术有限公司 | A kind of controlling method for DC motor and control device |
| CN107554314A (en) * | 2017-07-31 | 2018-01-09 | 北京航空航天大学 | A kind of novel efficient distance increasing unit for vehicle |
| CN109955845B (en) * | 2017-12-22 | 2021-06-18 | 比亚迪股份有限公司 | Hybrid electric vehicle and control method and device of motor of hybrid electric vehicle |
| CN109050347B (en) * | 2018-08-02 | 2020-06-23 | 浙江大学 | Control method of multifunctional permanent magnet synchronous range extender |
| CN109228895A (en) * | 2018-10-25 | 2019-01-18 | 李洪广 | A kind of range extender of electric vehicle and control method |
| CN110562057A (en) * | 2019-09-18 | 2019-12-13 | 重庆坚峰汽车科技有限公司 | Driving system and new energy automobile |
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