CN103078570A - Torque pulsation restraining system and method of permanent magnet brushless direct current motor - Google Patents
Torque pulsation restraining system and method of permanent magnet brushless direct current motor Download PDFInfo
- Publication number
- CN103078570A CN103078570A CN2013100411536A CN201310041153A CN103078570A CN 103078570 A CN103078570 A CN 103078570A CN 2013100411536 A CN2013100411536 A CN 2013100411536A CN 201310041153 A CN201310041153 A CN 201310041153A CN 103078570 A CN103078570 A CN 103078570A
- Authority
- CN
- China
- Prior art keywords
- commutation
- magnet brushless
- permanent
- electric machine
- quasi
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a torque pulsation restraining system and method of a permanent magnet brushless direct current motor. During no phase change, a direct current power supply is directly connected with a three-phase inverter bridge through a selector switch, and is used as a motor input voltage; when detecting the phase change, a phase change detection module immediately sends a control signal to enable the selector switch to switch, the output of the direct current power supply is connected with the three-phase inverter bridge after the voltage of a Quasi-Z source network is regulated, the direct current bus voltage of the motor inverter bridge during phase change is regulated through the Quasi-Z source network to ensure that the turn-off phase current drop rate is equal to the turn-on phase current raising rate, therefore phase change torque pulsation of different forms of the permanent magnet brushless direct current motor can be effectively inhibited, and the reduced phase change torque can be compensated when at high speed, and the increased phase change torque can be eliminated when at low speed.
Description
Technical field
The present invention relates to a kind of electric machines control technology, particularly a kind of permanent-magnet brushless DC electric machine Torque Ripple Reduction system and method.
Background technology
Along with the fast development of rare earth permanent-magnetic material and power electronic technology, brshless DC motor and control technology thereof have obtained rapidly development.The advantages such as the output torque of permanent-magnet brushless DC electric machine is large, power density is high, speed-regulating range width, dynamic response is fast, inertia is little, reliability is high, control is simple are outstanding, so its application in fields such as Aero-Space, robot, household electrical appliance and office automations is more and more extensive.
Permanent-magnet brushless DC electric machine adopts in twos conducting operational mode, in the running per 60 ° to change once the commutation torque pulsation that occurs mutually be one of Main Problems in the permanent-magnet brushless DC electric machine, the commutation torque pulsation can reach 50% of nominal torque, and it is limiting the application of permanent-magnet brushless DC electric machine in the governing system that requires low ripple speed and high-precision control system always.For high-precision control system, torque pulsation is an important indicator weighing the brshless DC motor performance.Therefore the practical approach tool of research inhibition or elimination torque pulsation is of great significance.
Summary of the invention
The larger problem of torque pulsation when the present invention be directed to the permanent-magnet brushless DC electric machine commutation, a kind of permanent-magnet brushless DC electric machine Torque Ripple Reduction system and method has been proposed, by increasing the Quasi-Z source network at permanent-magnet brushless DC electric machine conventional buck inverter bridge front end, in commutation process, adjust the permanent-magnet brushless DC electric machine input voltage, solve the torque pulsation problem.
Technical scheme of the present invention is: a kind of permanent-magnet brushless DC electric machine Torque Ripple Reduction system, comprise input power module, Quasi-Z source network, selector switch, three phase inverter bridge, permanent-magnet brushless DC electric machine body, control module, commutation time detecting module, hall signal detection module, switch is selected in dc power output end one tunnel direct selecting, switch was selected in selecting after the Quasi-Z source network of leading up to carried out the voltage adjustment, and selector switch connects three phase inverter bridge; Three phase inverter bridge is converted to alternating voltage with direct current and drives permanent-magnet brushless DC electric machine, commutation time detecting module detects the commutation time started point of permanent-magnet brushless DC electric machine, the frequency of the hall signal that the hall signal detection module sends when detecting permanent-magnet brushless DC electric machine work, commutation time detecting module and hall signal detection module detection signal send control module, and control module outputs a control signal to selector switch.
Described Quasi-Z source network is made of diode, electric capacity, inductance and switching tube, and control module output signal control switch pipe duty ratio during commutation, DC power supply are exported after adjusting voltage by the Quasi-Z source network, arrive three phase inverter bridge by selector switch.
A kind of permanent-magnet brushless DC electric machine method for suppressing torque ripple comprises permanent-magnet brushless DC electric machine Torque Ripple Reduction system, and the Three-phase full-bridge permanent-magnet brushless DC electric machine that in twos conducting commutation mode is moved specifically comprises the steps:
1) during non-commutation, DC power supply directly connects three phase inverter bridge by selector switch and powers to permanent-magnet brushless DC electric machine;
2) per 60 ° of permanent-magnet brushless DC electric machine changes once phase, and commutation time detecting module detects each variation of hall signal, detects the rising edge of hall signal or trailing edge as the zero hour of commutation process
t 1
3) commutation begins, and the frequency meter of the road hall signal that detects successively by the hall signal detection module is calculated motor speed
nCounter electromotive force of motor
In direct ratio with rotating speed
kRelation is determined by off-line measurement
kValue, calculate back electromotive force
4) commutation begins, and control module is sent control signal immediately allows selector switch switch, and DC power supply is by output voltage after the adjustment of Quasi-Z source network voltage
V o As DC bus-bar voltage
U Dc
5) output voltage of Quasi-Z source network when the motor commutation
V o Duty ratio with switching tube Q in the voltage-regulating circuit
DThe pass be
,
V i Be DC power supply voltage in the Quasi-Z source network, control module output is by the PWM duty ratio of control switch pipe Q
DConstantly adjust the output voltage of Quasi-Z source network
V o Thereby, so that DC bus-bar voltage
U Dc =4E m
6) back electromotive force that draws of parameter and the step 3) by motor itself
Calculate and close the finish time of broken phase current when being reduced to zero
t 2 , control module is sent control signal again allows selector switch select DC power supply in the Quasi-Z source network
V i Directly connect three phase inverter bridge, DC power supply
V i As the motor input voltage;
7) repeated execution of steps 2)～6), adjust commutation motor three phase inverter bridge DC bus-bar voltage constantly by the Quasi-Z source network, make it close broken phase current fall off rate and open the phase current climbing speed and equate.
Beneficial effect of the present invention is: permanent-magnet brushless DC electric machine Torque Ripple Reduction system and method for the present invention, adjust commutation motor inverter bridge DC bus-bar voltage constantly by the Quasi-Z source network, make it close broken phase current fall off rate and open the phase current climbing speed and equate, thereby can effectively suppress the multi-form commutation torque pulsation of permanent-magnet brushless DC electric machine, when high speed, can compensate reducing of commutation torque, when low speed, can eliminate the increase of commutation torque.
Description of drawings
Fig. 1 is permanent-magnet brushless DC electric machine Torque Ripple Reduction system configuration schematic diagram of the present invention;
Fig. 2 is Quasi-Z source network topological structure schematic diagram in the permanent-magnet brushless DC electric machine Torque Ripple Reduction of the present invention system;
Fig. 3 is monophase current off-phases equivalent circuit diagram in the permanent-magnet brushless DC electric machine Torque Ripple Reduction system embodiment of the present invention.
Embodiment
Permanent-magnet brushless DC electric machine Torque Ripple Reduction system configuration schematic diagram comprises: input power module 1, Quasi-Z source network 2, selector switch 3, three phase inverter bridge 4, permanent-magnet brushless DC electric machine body 5, control module 6, commutation time detecting module 7, hall signal detection module 8 as shown in Figure 1.
Quasi-Z source network 2 plays the effect of voltage-regulation as the commutation accessory power supply as shown in Figure 2, is comprised of the connecting circuit of two diodes, a switching tube Q, three electric capacity and two inductance.DC power supply
ViThe input voltage that provides for the Quasi-Z source network, thus control module output control signal by-pass cock pipe duty ratio is adjusted the size of this network output voltage values, final in order to adjust the size of the required magnitude of voltage of permanent-magnet brushless DC electric machine 5 commutation periods.Three phase inverter bridge 4 drives permanent-magnet brushless DC electric machine 5 steady operation under its required voltage value thereby direct voltage is converted to alternating voltage.Selector switch 3 is selected the input voltage of three phase inverter bridges 4 according to the different running statuses of permanent-magnet brushless DC electric machine 5.Commutation time detecting module 7 detects the commutation time started point of permanent-magnet brushless DC electric machine 5.The frequency of the hall signal that hall signal detection module 8 sends when detecting permanent-magnet brushless DC electric machine 5 work.Control module 6 is comprised of calculating section and control section, calculating section is according to the parameter of the frequency of hall signal and permanent-magnet brushless DC electric machine 5 self, calculates respectively the permanent-magnet brushless DC electric machine corresponding with the frequency of hall signal 5 back electromotive force and commutation finish time; Control section is according to the commutation zero hour and commutation judging that permanent-magnet brushless DC electric machine 5 is converted to the moment of commutation and is constantly controlled selector switch 3 so that the output voltage of Quasi-Z source network 2 is transferred to three phase inverter bridge 4 at this by non-commutation the finish time.
Monophase current off-phases equivalent circuit diagram as shown in Figure 3, being conducted take A/C is conducted commutation process as example to B/C, the zero hour of this detection method take the rising edge of hall signal or trailing edge as commutation process
t 1 , with corresponding pass broken phase current i
aBe reduced to for zero finish time as commutation process
t 2 , comprise the following steps:
(1) during non-commutation, selector switch K connects 1, accurate Z source network dc power converter does not access major loop, and the power supply of Quasi-Z source network 2 dc power converters is to three phase inverter bridge 4 power supplies.
(2) permanent-magnet brushless DC electric machine 5 per 60 ° change once phase, commutation time detecting module detects each variation of hall signal, detects the rising edge of hall signal or trailing edge as the zero hour of commutation process
t 1
(3) commutation begins, and the frequency meter of the road hall signal that detects successively by hall signal detection module 8 is calculated motor speed
nCounter electromotive force of motor
In direct ratio with rotating speed
kRelation is determined by off-line measurement
kValue, calculate back electromotive force
(4) commutation begins, and control module 6 is sent immediately control signal and allowed the output voltage of busbar voltage selector switch with Quasi-Z source network 2
V o As DC bus-bar voltage
U Dc
(5) output voltage of Quasi-Z source network 2 when the motor commutation
V o Duty ratio with switching tube Q
DThe pass be
,
V i Input supply voltage, by the PWM duty ratio of control switch pipe Q
DConstantly adjust the output voltage of Quasi-Z source network
V o Thereby, so that DC bus-bar voltage
U Dc =4
E m
(6) back electromotive force that draws of parameter and the step (3) by motor itself
Calculate and close the finish time of broken phase current when being reduced to zero
t 2 , control module 6 is sent control signal again allows selector switch 3 select supply voltage
V i As the motor input voltage.
t 2 Computational methods are as follows:
Be conducted 60 ° of corresponding state angle of state of B/C, the commutating period time that state angle is corresponding
, in the formula,
nBe motor speed (r/min),
pBe number of pole-pairs.The electromagnetic time constant of phase winding
, use
The ratio that represents time state angle commutation cycle and winding electromagnetic time constant.
A phase current off-phases time interval from the switch V1 shutoff of A phase, is down to till zero to the A phase current.The equivalent electric circuit of this process is with reference to accompanying drawing 3.
According to equivalent electric circuit shown in Figure 3, the voltage balance equation that can list this stage is
Analytical calculation can get initial condition:
Wherein
I r Current value when ignoring inductance for only counting resistance, abbreviation gets,
Solve, the A phase current dropped to for zero required time
t 2 Be expressed as
Thereby obtain closing broken phase current
i a Be reduced to the finish time of zero commutation process
t 2
(7) repeat (2)～control method of (6), adjust commutation motor inverter bridge DC bus-bar voltage constantly by Quasi-Z source network 2, make it close broken phase current fall off rate and open the phase current climbing speed and equate, thereby effectively suppress the commutation torque pulsation of permanent-magnet brushless DC electric machine 5.
When permanent-magnet brushless DC electric machine 5 adopts based on the commutation method for suppressing torque ripple operation of Quasi-Z source network, can effectively suppress the commutation torque pulsation, improve the runnability of motor, expand the application of permanent-magnet brushless DC electric machine.
Permanent-magnet brushless DC electric machine Torque Ripple Reduction system and method provided by the invention is adjusted commutation motor inverter bridge DC bus-bar voltage constantly by the Quasi-Z source network, make it close broken phase current fall off rate and open the phase current climbing speed and equate, thereby can effectively suppress the multi-form commutation torque pulsation of permanent-magnet brushless DC electric machine, when high speed, can compensate reducing of commutation torque, when low speed, can eliminate the increase of commutation torque.High speed and low cruise at permanent-magnet brushless DC electric machine are interval, and torque pulsation can reduce to below 8% of average torque, and can suitably improve motor and on average export torque, and simple, effect is remarkable.
Claims (3)
1. permanent-magnet brushless DC electric machine Torque Ripple Reduction system, it is characterized in that, comprise input power module, Quasi-Z source network, selector switch, three phase inverter bridge, permanent-magnet brushless DC electric machine body, control module, commutation time detecting module, hall signal detection module, switch is selected in dc power output end one tunnel direct selecting, switch was selected in selecting after the Quasi-Z source network of leading up to carried out the voltage adjustment, and selector switch connects three phase inverter bridge; Three phase inverter bridge is converted to alternating voltage with direct current and drives permanent-magnet brushless DC electric machine, commutation time detecting module detects the commutation time started point of permanent-magnet brushless DC electric machine, the frequency of the hall signal that the hall signal detection module sends when detecting permanent-magnet brushless DC electric machine work, commutation time detecting module and hall signal detection module detection signal send control module, and control module outputs a control signal to selector switch.
2. described permanent-magnet brushless DC electric machine Torque Ripple Reduction system according to claim 1, it is characterized in that, described Quasi-Z source network is made of diode, electric capacity, inductance and switching tube, control module output signal control switch pipe duty ratio during commutation, DC power supply is exported after adjusting voltage by the Quasi-Z source network, arrives three phase inverter bridge by selector switch.
3. a permanent-magnet brushless DC electric machine method for suppressing torque ripple comprises permanent-magnet brushless DC electric machine Torque Ripple Reduction system, it is characterized in that, the Three-phase full-bridge permanent-magnet brushless DC electric machine that in twos conducting commutation mode is moved specifically comprises the steps:
1) during non-commutation, DC power supply directly connects three phase inverter bridge by selector switch and powers to permanent-magnet brushless DC electric machine;
2) per 60 ° of permanent-magnet brushless DC electric machine changes once phase, and commutation time detecting module detects each variation of hall signal, detects the rising edge of hall signal or trailing edge as the zero hour of commutation process
t 1
3) commutation begins, and the frequency meter of the road hall signal that detects successively by the hall signal detection module is calculated motor speed
nCounter electromotive force of motor
In direct ratio with rotating speed
kRelation is determined by off-line measurement
kValue, calculate back electromotive force
4) commutation begins, and control module is sent control signal immediately allows selector switch switch, and DC power supply is by output voltage after the adjustment of Quasi-Z source network voltage
V o As DC bus-bar voltage
U Dc
5) output voltage of Quasi-Z source network when the motor commutation
V o Duty ratio with switching tube Q in the voltage-regulating circuit
DThe pass be
,
V i Be DC power supply voltage in the Quasi-Z source network, control module output is by the PWM duty ratio of control switch pipe Q
DConstantly adjust the output voltage of Quasi-Z source network
V o Thereby, so that DC bus-bar voltage
U Dc =4E m
6) back electromotive force that draws of parameter and the step 3) by motor itself
Calculate and close the finish time of broken phase current when being reduced to zero
t 2 , control module is sent control signal again allows selector switch select DC power supply in the Quasi-Z source network
V i Directly connect three phase inverter bridge, DC power supply
V i As the motor input voltage;
7) repeated execution of steps 2)～6), adjust commutation motor three phase inverter bridge DC bus-bar voltage constantly by the Quasi-Z source network, make it close broken phase current fall off rate and open the phase current climbing speed and equate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100411536A CN103078570A (en) | 2013-02-04 | 2013-02-04 | Torque pulsation restraining system and method of permanent magnet brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100411536A CN103078570A (en) | 2013-02-04 | 2013-02-04 | Torque pulsation restraining system and method of permanent magnet brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103078570A true CN103078570A (en) | 2013-05-01 |
Family
ID=48154996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100411536A Pending CN103078570A (en) | 2013-02-04 | 2013-02-04 | Torque pulsation restraining system and method of permanent magnet brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103078570A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701342A (en) * | 2013-12-18 | 2014-04-02 | 东南大学 | Quasi-Z source inverter |
| CN104410338A (en) * | 2014-11-27 | 2015-03-11 | 江苏科技大学 | Control device and control method for suppressing high-speed torque pulse of brushless direct current motor |
| WO2016029777A1 (en) * | 2014-08-27 | 2016-03-03 | 中国矿业大学 | Three-phase switched reluctance motor torque ripple three-level suppression method |
| CN106549610A (en) * | 2017-01-13 | 2017-03-29 | 哈尔滨理工大学 | It is a kind of to suppress torque pulsation of brushless DC motor control system and its method for suppressing torque ripple |
| CN106655911A (en) * | 2016-09-30 | 2017-05-10 | 天津大学 | PWM (Pulse Width Modulation) method for suppressing commutation torque ripples of brushless DC motor |
| CN106655914A (en) * | 2017-01-13 | 2017-05-10 | 哈尔滨理工大学 | Control system for suppressing torque ripples of brushless direct current motor and torque ripple suppression method for control system |
| CN107528506A (en) * | 2017-08-15 | 2017-12-29 | 西安电子科技大学 | The device and method that brshless DC motor commutation torque ripple suppresses |
| CN108768222A (en) * | 2018-05-07 | 2018-11-06 | 哈尔滨工程大学 | Inhibit the circuit and control method of brushless DC motor without position sensor commutation torque ripple |
| CN109039191A (en) * | 2018-08-16 | 2018-12-18 | 北京航空航天大学 | A kind of motor control method of the source Quasi-Z indirect matrix converter optimization operation |
| CN109194127A (en) * | 2018-10-25 | 2019-01-11 | 福州大学 | A kind of high-gain is wide to input double quasi- sources Z inverter circuit |
| CN109713949A (en) * | 2018-12-28 | 2019-05-03 | 武汉工程大学 | A kind of suppressing method and system of torque pulsation of brushless DC motor |
| CN109861616A (en) * | 2019-03-01 | 2019-06-07 | 哈尔滨理工大学 | Permanent-magnet brushless DC electric machine two or three mixes conducting control system and its control method |
| CN113437907A (en) * | 2021-07-30 | 2021-09-24 | 天津工业大学 | Method for restraining commutation torque fluctuation of permanent magnet brushless direct current motor by DC-DC converter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090167224A1 (en) * | 2006-04-11 | 2009-07-02 | Tomohiro Miura | Motor Control Device and Motor-Driven Power Steering System Using the Same |
| CN101694979A (en) * | 2009-10-20 | 2010-04-14 | 北京航空航天大学 | Electromagnetic torque pulsation suppression device of magnetic suspension reaction fly-wheel motor |
| CN101789737A (en) * | 2010-02-03 | 2010-07-28 | 薛晓明 | Brshless DC motor inhibiting electromagnetic torque pulsation method and device |
| CN103427730A (en) * | 2012-06-19 | 2013-12-04 | 上海理工大学 | Permanent magnet brushless direct current motor torque ripple suppression system and method |
-
2013
- 2013-02-04 CN CN2013100411536A patent/CN103078570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090167224A1 (en) * | 2006-04-11 | 2009-07-02 | Tomohiro Miura | Motor Control Device and Motor-Driven Power Steering System Using the Same |
| CN101694979A (en) * | 2009-10-20 | 2010-04-14 | 北京航空航天大学 | Electromagnetic torque pulsation suppression device of magnetic suspension reaction fly-wheel motor |
| CN101789737A (en) * | 2010-02-03 | 2010-07-28 | 薛晓明 | Brshless DC motor inhibiting electromagnetic torque pulsation method and device |
| CN103427730A (en) * | 2012-06-19 | 2013-12-04 | 上海理工大学 | Permanent magnet brushless direct current motor torque ripple suppression system and method |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701342A (en) * | 2013-12-18 | 2014-04-02 | 东南大学 | Quasi-Z source inverter |
| RU2641674C2 (en) * | 2014-08-27 | 2018-01-19 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Method of three-level suppression of pulsations of torque moment in three-phase ac reaction motor |
| WO2016029777A1 (en) * | 2014-08-27 | 2016-03-03 | 中国矿业大学 | Three-phase switched reluctance motor torque ripple three-level suppression method |
| AU2015309429B2 (en) * | 2014-08-27 | 2017-06-29 | China University Of Mining And Technology | Three-phase switched reluctance motor torque ripple three-level suppression method |
| US10224855B2 (en) | 2014-08-27 | 2019-03-05 | China University Of Mining And Technology | Three-phase switched reluctance motor torque ripple three-level suppression method |
| CN104410338A (en) * | 2014-11-27 | 2015-03-11 | 江苏科技大学 | Control device and control method for suppressing high-speed torque pulse of brushless direct current motor |
| CN106655911B (en) * | 2016-09-30 | 2019-04-16 | 天津大学 | A kind of PWM method inhibiting brshless DC motor commutation torque ripple |
| CN106655911A (en) * | 2016-09-30 | 2017-05-10 | 天津大学 | PWM (Pulse Width Modulation) method for suppressing commutation torque ripples of brushless DC motor |
| CN106655914A (en) * | 2017-01-13 | 2017-05-10 | 哈尔滨理工大学 | Control system for suppressing torque ripples of brushless direct current motor and torque ripple suppression method for control system |
| CN106549610B (en) * | 2017-01-13 | 2018-12-18 | 哈尔滨理工大学 | A kind of inhibition torque pulsation of brushless DC motor control system and method |
| CN106549610A (en) * | 2017-01-13 | 2017-03-29 | 哈尔滨理工大学 | It is a kind of to suppress torque pulsation of brushless DC motor control system and its method for suppressing torque ripple |
| CN106655914B (en) * | 2017-01-13 | 2019-02-01 | 哈尔滨理工大学 | Inhibit torque pulsation of brushless DC motor control system and method for suppressing torque ripple |
| CN107528506A (en) * | 2017-08-15 | 2017-12-29 | 西安电子科技大学 | The device and method that brshless DC motor commutation torque ripple suppresses |
| CN108768222A (en) * | 2018-05-07 | 2018-11-06 | 哈尔滨工程大学 | Inhibit the circuit and control method of brushless DC motor without position sensor commutation torque ripple |
| CN109039191B (en) * | 2018-08-16 | 2020-03-31 | 北京航空航天大学 | Motor control method for optimized operation of Quasi-Z source indirect matrix converter |
| CN109039191A (en) * | 2018-08-16 | 2018-12-18 | 北京航空航天大学 | A kind of motor control method of the source Quasi-Z indirect matrix converter optimization operation |
| CN109194127A (en) * | 2018-10-25 | 2019-01-11 | 福州大学 | A kind of high-gain is wide to input double quasi- sources Z inverter circuit |
| CN109713949A (en) * | 2018-12-28 | 2019-05-03 | 武汉工程大学 | A kind of suppressing method and system of torque pulsation of brushless DC motor |
| CN109713949B (en) * | 2018-12-28 | 2020-05-22 | 武汉工程大学 | Method and system for suppressing torque ripple of brushless direct current motor |
| CN109861616A (en) * | 2019-03-01 | 2019-06-07 | 哈尔滨理工大学 | Permanent-magnet brushless DC electric machine two or three mixes conducting control system and its control method |
| CN109861616B (en) * | 2019-03-01 | 2024-01-23 | 哈尔滨理工大学 | Two-three phase mixed conduction control system and control method for permanent magnet brushless direct current motor |
| CN113437907A (en) * | 2021-07-30 | 2021-09-24 | 天津工业大学 | Method for restraining commutation torque fluctuation of permanent magnet brushless direct current motor by DC-DC converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103078570A (en) | Torque pulsation restraining system and method of permanent magnet brushless direct current motor | |
| US7855526B2 (en) | Power conversion control device, power conversion control method, and power conversion control program | |
| CN102163947B (en) | Commutation torque ripple suppression method for permanent magnet brushless DC motor | |
| CN102710188B (en) | Direct torque control method and device of brushless continuous current dynamo | |
| CN107070335B (en) | Double PWM permanent magnetism power-driven system torque feed forward control methods and its control device | |
| CN104796050B (en) | A kind of delay control method for suppressing torque pulsation of brushless DC motor | |
| CN106787988A (en) | A kind of full speed adjustable range internal torque pulsation suppressing method of brshless DC motor | |
| CN106849139A (en) | A kind of magnetic levitation energy storage flywheel charge/discharge control method based on minimum power topology | |
| CN103731084A (en) | Permanent magnet synchronous motor low inverter power consumption direct torque control method and device | |
| CN102624276A (en) | Novel dead-zone effect compensation method of AC servo inverter | |
| CN103427730A (en) | Permanent magnet brushless direct current motor torque ripple suppression system and method | |
| CN103973190A (en) | Sensorless Motor Control | |
| CN105958874A (en) | Three-phase brushless direct current motor adaptive commutation angle compensation method | |
| CN102263531A (en) | Method and apparatus for controlling motor torque | |
| US9531317B2 (en) | Power conversion apparatus, power conversion method, and motor system | |
| CN104767455B (en) | A kind of hybrid exciting synchronous motor position-sensor-free direct torque control method | |
| CN104052357A (en) | Motor control system for determining a reference D-axis current and a Q-axis current | |
| CN103856132A (en) | Control system of alternating current servo permanent magnet synchronous motor | |
| CN106712594A (en) | Motor driver of motor control system | |
| CN101453182A (en) | Motor uni-current sensor controlling method and apparatus based on four switch inversion bridge | |
| CN108880352B (en) | Counter electromotive force balance adjusting device and method for permanent magnet synchronous motor | |
| CN208158473U (en) | A kind of brushless DC motor control system | |
| CN109347371A (en) | A kind of brshless DC motor commutation torque ripple suppressing method based on current forecasting | |
| CN203457094U (en) | System for controlling AC servo permanent magnet synchronous motor | |
| US20130307451A1 (en) | System and method for sensor-less hysteresis current control of permanent magnet synchronous generators without rotor position information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130501 |