CN104029606A - Control method of vehicle permanent magnet synchronous motor range extender - Google Patents
Control method of vehicle permanent magnet synchronous motor range extender Download PDFInfo
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- CN104029606A CN104029606A CN201410127712.XA CN201410127712A CN104029606A CN 104029606 A CN104029606 A CN 104029606A CN 201410127712 A CN201410127712 A CN 201410127712A CN 104029606 A CN104029606 A CN 104029606A
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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
Abstract
The invention provides a control method of a vehicle permanent magnet synchronous motor range extender and belongs to the technical field of the range extender control. A permanent magnet synchronous motor is used as either a starter or a generator, and is compact in structure, high in power density and high in power generation efficiency; no extra starting motor is needed so that the space and the cost can be saved; an engine always works in a high fuel efficiency rotating speed region. Meanwhile, the battery capacity, the driving intention of a driver and the drive demand are determined by use of the detection values of voltage and current sensors; the travel information of an accelerator or a brake pedal can be obtained without modifying the existing vehicle, and the determination process is quick and accurate. According to the power requirements of the whole vehicle, the range extender is capable of working in a plurality of modes, capable of effectively extending the vehicle miles of travel without affecting the power performance of the vehicle, and also capable of avoiding over-discharge of the battery and thus increasing the service life of the battery.
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 day by day in short supply and national pay attention to day by day for environmental protection of oil resources in the world, electronlmobil is subject to increasing attention.But electronlmobil in the market adopts storage battery as propulsion source more, be limited to the development of battery technology, the travelled distance number of electronlmobil can not reach people's expection always, and the battery age of electronlmobil also greatly reduces because of regular deep discharge.
Automobile-used distance increasing unit can directly access the power system of vehicle, as auxiliary power source, by driven by engine electrical generator, generates electricity, and when Vehicular battery electric weight is not enough, for car load provides electric energy, can extend the travelled distance of electronlmobil.Current, automobile-used distance increasing unit has multiple solution, but still has problems, as: some distance increasing unit product only adopts constant generated output output, can not maximally utilise driving engine and generator capacity; Other distance increasing unit control method need to detect battery dump energy, and the stroke that need to detect vehicle Das Gaspedal or brake pedal is realized chaufeur driving intention is judged, determine thus the mode of operation of distance increasing unit, as described in patent No. CN102616148A, distance increasing unit is controlled the stroke that needs accurately to detect battery dump energy and auto pedal.But battery dump energy is difficult to accurate judgement, and Das Gaspedal or the special-purpose pedal of brake pedal stroke detection needs, or the existing pedal of vehicle is reequiped, thereby hardware cost and technical complexity increased.
Summary of the invention
The object of this invention is to provide a kind of automobile permanent magnet synchronous motor distance increasing unit control method, by detecting bus voltage and electric current, can judge battery status and chaufeur driving intention, thereby determine the mode of operation of permagnetic synchronous motor distance increasing unit, can guarantee to improve fuel utilization ratio under the prerequisite of vehicle power, extend Vehicle-Miles of Travel, and can prevent accumulator super-charge and overdischarge.
To achieve these goals, the present invention adopts distance increasing unit 8 as shown in Figure 1, comprising: increase 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 compositions.The driving engine 22 of engine block 2 and permagnetic synchronous motor 4 mechanical connections; The three-phase alternating current side of permagnetic synchronous motor 4 and the electrical connection of the three-phase alternating current side 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 motors, when needs distance increasing unit is worked, first as actuating motor, for fire an engine 22; When engine speed reaches generating setting rotating speed, permagnetic synchronous motor 4 is as generated output power, and the rotating speed of driving engine and permagnetic synchronous motor keeps constant rotational speed n.
Distance increasing unit control method provided by the invention is by detecting bus voltage U
dc, current value I
loadand variable quantity, control distance increasing unit and work in respectively originate mode, boost mode, weak magnetic pattern, feedback pattern, shutdown mode.Wherein:
As bus voltage U
dcbe less than U
dcmin, load current I
loadhigher than I
loadmax, and this state continuance T
1time, battery electric quantity is not enough, and distance increasing unit enters originate mode.
When distance increasing unit is in running order, as load current I
loadbe greater than I
loadmin, be less than I
loadmax, and I
loadincrement rate is in time less than Δ I
loadtime, car load compares pulsation-free state in the speed of a motor vehicle, and distance increasing unit is operated in boost mode.
When distance increasing unit is in running order, as load current I
loadbe greater than I
loadmax, and I
loadincrement rate is in time greater than Δ I
loadtime, car load is in accelerating or climbing state, and distance increasing unit is operated in weak magnetic pattern.
When distance increasing unit is in running order, as load current I
loadbe less than at 0 o'clock, car load is in feedback pattern, and distance increasing unit enters feedback pattern.
Distance increasing unit is when boost mode, as bus voltage U
dchigher than U
dcmax, battery current I
bbe less than I
bmin, and this state continuance T
2during the time, the dump energy of battery is more, enters shutdown mode and closes distance increasing unit.
The control method of distance increasing unit under different working modes is as follows:
Distance increasing unit is when originate mode: increase range controller 1 and utilize rotational speed setup n
*, the given I of d shaft current
d *=0 as specified rate and permagnetic synchronous motor 4 actual speed n, actual d shaft current I
d, actual q shaft current I
qspeed and current double closed loop control policy as feedback quantity, output vector control signal, by electric machine controller 6, controlling permagnetic synchronous motor 4 drives engine speed to arrive engine idle n as actuating motor, now increase range controller 1 to engine block 2 cranking signals, driving engine 22 is started working, and then drives permagnetic synchronous motor 4 generatings.
Distance increasing unit is when boost mode: increase range controller 1 and utilize the given U of bus voltage
dc *, the given I of d shaft current
d *=0 as specified rate and actual bus voltage U
dc, actual d shaft current I
d, actual q shaft current I
qas the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, controls permagnetic synchronous motor 4 by electric machine controller 6 and to car load, provides driving power as electrical generator, charges the battery simultaneously.
Distance increasing unit is when weak magnetic pattern: increase range controller 1 by oppositely increasing d shaft current I
dthe magnetic of realization to motor, reduces bus voltage U
dc, until battery current I detected
b<0, battery operated at discharge regime, now increase range controller 1 and utilize current bus voltage as the given U of bus voltage
dc *, according to the generating torque T that sends permagnetic synchronous motor 4 maximum work Generation Rates and need
ewith actual d shaft current I
ddecide
qthe given I of shaft current
q *as specified rate and actual bus voltage U
dc, actual d shaft current I
d, actual q shaft current I
qas the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, controls permagnetic synchronous motor 4 as electrical generator by electric machine controller 6, provides driving power together with battery to car load.
Distance increasing unit is when feedback pattern: increase range controller 1 and utilize the given I of d shaft current
d *=0, the given I of q shaft current
q *=0 as specified rate and actual d shaft current I
d, actual q shaft current I
qas the current closed-loop control policy of feedback quantity, output vector control signal, controls not horsepower output of permagnetic synchronous motor 4 by electric machine controller 6.
Compared with prior art, the present invention has the following advantages:
1. adopt permagnetic synchronous motor simultaneously as starter and electrical generator, compact conformation, power density is high, and generating efficiency is high, does not need extra actuating motor, has saved space and cost; Driving engine is operated in high fuel efficiency rotating speed district always.
2. utilize voltage, the judgement of current sensor detected value capacity of cell, chaufeur driving intention and driving demand, need not transform former vehicle to obtain the travel information of throttle or brake pedal, deterministic process is accurate rapidly.
3. according to the power demand of car load, distance increasing unit can be operated under various modes, can effectively extend Vehicle-Miles of Travel, and do not affect the tractive performance of vehicle, and can avoid battery over discharge simultaneously, thus extending battery life.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of used for electric vehicle distance increasing unit
Fig. 2 is the control method block diagram of distance increasing unit
In figure: 1, increase that range controller 1,2, engine block 2,3, rotor-position detect 3,4, permagnetic synchronous motor 4,51～54, current detecting I～IV, 6, electric machine controller, 7, voltage detecting, 8, distance increasing unit.
The specific embodiment
Fig. 1 is the structured flowchart of automobile permanent magnet synchronous motor distance increasing unit, and distance increasing unit 8 is comprised 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:
Increase the main signals such as the various voltage of reception, power supply of being responsible for of range controller 1, 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 comprised of engine controller 21 and driving engine 22, and engine controller 21 can be that mechanical manipulator can be also electronic controller.Driving engine 22 can be that engine petrol can be also diesel motor.
Rotor-position detects 3 and is used for detecting the current rotor position information of permagnetic synchronous motor 4, outputs signal to and increases range controller 1.It can be the sensor of Hall-type position transduser, magslip or other measurement rotor-positions that hardware is realized.
Permagnetic synchronous motor 4 is starting/power generation integrated formula permagnetic synchronous motors, its rotating shaft and driving engine 22 mechanical connections; 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 starting, as actuating motor fire an engine 22, at distance increasing unit 8, provide power during in mode of operation as electrical generator to car load.
Current detecting 151 is to utilize the current detecting modes such as current sensor to detect permagnetic synchronous motor 4 three phasevoltage I
a, I
b, I
cin any two, then output signal to and increase range controller 1.
Current detecting 252, current detecting 353, current detecting 454 these three be to utilize the current detecting modes such as current sensor to detect respectively motor outgoing current I
dc, load current I
loadwith battery current I
b, then output signal to again increasing range controller 1.Current detecting 252, current detecting 353, current detecting 454 these three can only use any two or three all to use.
Electric machine controller 6 is a kind of three phase full bridges that are comprised of six full-controlled switching elements, electric machine controller 6 ACs and permagnetic synchronous motor 4 AC electrical connections, DC side and the electrical connection of automotive power bus.When distance increasing unit 8 starting, electric machine controller 6 is controlled permagnetic synchronous motor 4 startings; When distance increasing unit 8 is during in mode of operation, the electricity that permagnetic synchronous motor 4 sends flows to bus by electric machine controller 6, and car load electric energy is provided.
Voltage detecting 7 utilizes other voltage detecting modes such as voltage sensor to detect bus voltage U
dc, then output signal is to increasing range controller 1.
Fig. 2 is the control method block diagram of distance increasing unit.Increase range controller 1 according to voltage detecting 7 and current detecting 252, current detecting 353, current detecting 454 any two in these three, can obtain bus voltage U
dc, motor outgoing current I
dc, load current I
load, battery current I
bthese 4 amounts, utilize current detecting 1 to detect the three phase current I of permagnetic synchronous motor
a, I
b, I
c, then become permagnetic synchronous motor 4d shaft current I by vector 15
d, q shaft current I
q.According to these signals, increase the driving intention of the range controller 1 current battery status of judgement and chaufeur, thereby judge the mode of operation whether distance increasing unit starts and determine distance increasing unit.Concrete determination methods is as follows:
As bus voltage U
dcbe less than U
dcmin, load current I
loadhigher than I
loadmax, and this state continuance T
1time, battery electric quantity is not enough, and distance increasing unit enters originate mode.
When distance increasing unit is in running order, as load current I
loadbe greater than I
loadmin, be less than I
loadmax, and I
loadincrement rate is in time less than Δ I
loadtime, car load compares pulsation-free state in the speed of a motor vehicle, and distance increasing unit is operated in boost mode.
When distance increasing unit is in running order, as load current I
loadbe greater than I
loadmax, and I
loadincrement rate is in time greater than Δ I
loadtime, car load is in accelerating or climbing state, and distance increasing unit is operated in weak magnetic pattern.
When distance increasing unit is in running order, as load current I
loadbe less than at 0 o'clock, car load is in feedback pattern, and distance increasing unit enters feedback pattern.
Distance increasing unit is when controlled rectification pattern, as bus voltage U
dchigher than U
dcmax, battery current I
bbe less than I
bmin, and this state continuance T
2during the time, battery dump energy is more, enters shutdown mode and closes distance increasing unit.
According to the mode of operation of distance increasing unit, then control permagnetic synchronous motor 4 running statees by electric machine controller 6.Specific implementation process is as follows:
Distance increasing unit originate mode specific implementation process is as shown in speed and current double closed loop 11: utilize the given I of d shaft current
d *=0 as specified rate, the actual d shaft current I of permagnetic synchronous motor 4
das feedback quantity, by current closed-loop, export d shaft voltage U
d; Utilize rotational speed setup n simultaneously
*as specified rate, the actual speed n of permagnetic synchronous motor 4, actual q shaft current I
qas feedback quantity, by speed and current double closed loop, export q shaft voltage U
q.By control signal vector, modulate output pwm signal G again
1～G
6to electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G
1～G
6signal control permagnetic synchronous motor 4 drives driving engine 22 rotating speeds to arrive engine idle n as actuating motor.
Distance increasing unit boost mode specific implementation process is as shown in two closed loops 12: utilize one than current bus voltage U
dcthe given U of bus voltage of high Δ U
dc *as specified rate, current bus voltage U
dc, the actual q shaft current of permagnetic synchronous motor 4 I
qas feedback quantity, by voltage and current double closed-loop, export
qshaft voltage U
q; Utilize the given I of d shaft current simultaneously
d *=0 as specified rate, the actual d shaft current I of permagnetic synchronous motor 4
das feedback quantity, by current closed-loop, export d shaft voltage U
d.By control signal vector, modulate output pwm signal G again
1～G
6to electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G
1～G
64 generatings of signal control permagnetic synchronous motor.As actual bus voltage U
dcequal the given U of bus voltage
dc *time, continue at current bus voltage U
dcbasis on increase Δ U and obtain the given U of new bus voltage
dc *as specified rate, then repeat above-mentioned pair of closed loop control process.Until according to the actual bus voltage U detecting
dcwith real electrical machinery outgoing current I
dc, obtain the generated output P=U of permagnetic synchronous motor 4
dci
dcequal the specified generated output of electrical generator, or battery current I
bbe greater than battery maximum charging current I
bmaxtime, with current actual bus voltage U
dcas bus voltage given value U
dc *, maintain the state that permagnetic synchronous motor 4 provides driving power to charge the battery as electrical generator to car load simultaneously.
The weak magnetic pattern of distance increasing unit is utilized d shaft current i
dmotor is carried out to weak magnetic, reduce bus voltage U
dcthereby, allow permagnetic synchronous motor 4 to car load, provide power together with battery.Specific implementation process is as shown in two closed loops 13: with one than actual bus voltage U
dcthe given U of bus voltage of low Δ U
dc *as specified rate, current bus voltage U
dc, the actual d shaft current of permagnetic synchronous motor 4 I
das feedback quantity, by voltage and current double closed-loop, export d shaft voltage U
d; Simultaneously according to permagnetic synchronous motor 4 maximum generation power P
max, according to T
emax=9.55P
max/ n obtains maximum generation torque T
emax, utilize torque T
emaxwith actual d shaft current I
dobtain the given I of q shaft current
q *as specified rate, actual q shaft current I
qas feedback quantity, by current closed-loop, export q shaft voltage U
q.By control signal vector, modulate output pwm signal G again
1～G
6to electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G
1～G
64 generatings of signal control permagnetic synchronous motor.As actual bus voltage U
dcequal the given U of bus voltage
dc *time, continue at actual bus voltage U
dcbasis on subtract Δ U and obtain the given U of new bus voltage
dc *as specified rate, then repeat above-mentioned pair of closed loop control process.Until battery current I detected
b<0, battery operated at discharge regime, with current actual bus voltage U
dcas bus voltage given value U
dc *, maintain permagnetic synchronous motor 4 state of power be provided to car load together with battery.
Distance increasing unit feedback pattern specific implementation process is as shown in two closed loops 13: utilize the given I of d shaft current
d *=0 as specified rate, the actual d shaft current of permagnetic synchronous motor 4 I
das feedback quantity, by current closed-loop, export d shaft voltage U
d; Utilize the given I of q shaft current simultaneously
q *=0 as specified rate, the actual q shaft current of permagnetic synchronous motor 4 I
qas feedback quantity, by current closed-loop, export q shaft voltage U
q.By control signal vector, modulate output pwm signal G again
1～G
6to electric machine controller 6, six way switch elements 61～66 of electric machine controller 6 are according to G
1～G
6signal control permagnetic synchronous motor 4 is horsepower output not.
Claims (6)
1. an automobile permanent magnet synchronous motor distance increasing unit control method, is characterized in that: permagnetic synchronous motor distance increasing unit comprises 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 driving engine (22) of engine block (2) and permagnetic synchronous motor (4) mechanical connection; The three-phase alternating current side electrical connection of the three-phase alternating current side of permagnetic synchronous motor (4) and 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) by voltage detector component (7) and current measuring element III(53) detection automotive power bus voltage U
dc, current value I
loadand the variable quantity of electric current and voltage, control distance increasing unit and work in respectively originate mode, boost mode, weak magnetic pattern, feedback pattern, shutdown mode;
Current measuring element I(51) detect the three phase current of permagnetic synchronous motor, current measuring element II(52) detect automotive power bus current, current measuring element IV (54) detects battery current;
The mouth of current measuring element I～IV (51～54) and voltage detector component (7) is all connected to and increases in range controller (1), and the control end that increases range controller (1) is connected with electric machine controller (6) with engine controller (2) respectively.
2. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 1, is characterized in that:
Distance increasing unit controller (1) is by voltage detector component (7) measuring vehicle power system bus voltage U
dc; By current measuring element III(53) measuring vehicle power system load current value I
load; As bus voltage U
dcbe less than U
dcmin, load current I
loadhigher than I
loadmax, and this state duration is T
1, battery electric quantity is not enough, and distance increasing unit enters originate mode; U now
dcmin=55V, I
loadmax=100A, T
1=5s;
When distance increasing unit is in running order, as load current I
loadbe greater than I
loadminand be less than I
loadmax, and I
loadincrement rate is in time less than Δ I
loadtime, car load compares pulsation-free state in the speed of a motor vehicle, and distance increasing unit is operated in boost mode; I now
loadmin=0A, I
loadmax=80A, Δ I
load=20A;
When distance increasing unit is in running order, as load current I
loadbe greater than I
loadmaxtime, and I
loadincrement rate is in time greater than Δ I
loadtime, car load is in accelerating or climbing state, and distance increasing unit is operated in weak magnetic pattern; I now
loadmax=80A, Δ I
load=20A;
When distance increasing unit is in running order, as load current I
loadbe less than at 0 o'clock, car load is in feedback pattern, and distance increasing unit enters feedback pattern;
Distance increasing unit is when boost mode, as bus voltage U
dchigher than U
dcmax, battery current I
bbe less than I
bmin, and be T during this state duration
2, the dump energy of battery is more, enters shutdown mode and closes distance increasing unit; U
dcmax=60V, I
bmin=10A, T
2=5s;
Described U
dcmin, U
dcmaxbe respectively minimum value and the maxim of bus voltage, I
loadminand I
loadmaxbe respectively maxim and the minimum value of load current, Δ I
loadfor the increment rate of load current, I
bminminimum value for battery current.
3. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, is characterized in that: distance increasing unit is when originate mode: increase the rotational speed setup n that range controller (1) utilizes permagnetic synchronous motor (4)
*, the given I of d shaft current
d *=0 as specified rate and permagnetic synchronous motor (4) actual speed n, actual d shaft current I
d, actual q shaft current I
qspeed and current double closed loop control policy as feedback quantity, output vector control signal, by electric machine controller (6), controlling permagnetic synchronous motor drives engine speed to arrive engine idle n as actuating motor, now increase range controller (1) to engine block (2) cranking signal, driving engine 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, is characterized in that: increase range controller (1) when boost mode: increase range controller (1) and utilize the given U of bus voltage
dc *, the given I of d shaft current
d *=0 as specified rate and actual bus voltage U
dc, actual d shaft current I
d, actual q shaft current I
qas the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, controls permagnetic synchronous motor by electric machine controller (6) and to car load, provides driving power as electrical generator, charges the battery simultaneously.
5. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, is characterized in that: distance increasing unit is when weak magnetic pattern: increase range controller (1) by oppositely increasing d shaft current I
drealization to motor a little less than magnetic, reduce bus voltage U
dc, until battery current I detected
b<0, battery operated at discharge regime, now increase range controller (1) and utilize current bus voltage as the given U of bus voltage
dc *, according to the generating torque T that sends permagnetic synchronous motor (4) maximum work Generation Rate and need
ewith actual d shaft current I
ddecide the given I of q shaft current
q *as specified rate and actual bus voltage U
dc, actual d shaft current I
d, actual q shaft current I
qas the Double closed-loop of voltage and current strategy of feedback quantity, output vector control signal, controls permagnetic synchronous motor as electrical generator by electric machine controller (6), provides driving power together with battery to car load.
6. automobile permanent magnet synchronous motor distance increasing unit control method according to claim 2, is characterized in that: distance increasing unit is when feedback pattern: increase range controller (1) and utilize the given I of d shaft current
d *=0, the given I of q shaft current
q *=0 as specified rate and actual d shaft current I
d, actual q shaft current I
qas the current closed-loop control policy of feedback quantity, output vector control signal, controls permagnetic synchronous motor in light condition by electric machine controller (6), to car load, does not provide electric power.
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|---|---|---|---|
| CN201410127712.XA CN104029606B (en) | 2014-03-31 | 2014-03-31 | A kind of automobile permanent magnet synchronous motor distance increasing unit control method |
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|---|---|---|---|
| CN201410127712.XA CN104029606B (en) | 2014-03-31 | 2014-03-31 | A kind of automobile permanent magnet synchronous motor distance increasing unit control method |
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| CN104029606B CN104029606B (en) | 2016-06-22 |
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