CN105207557B - A kind of more intelligent motor control methods - Google Patents
A kind of more intelligent motor control methods Download PDFInfo
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- CN105207557B CN105207557B CN201510579032.6A CN201510579032A CN105207557B CN 105207557 B CN105207557 B CN 105207557B CN 201510579032 A CN201510579032 A CN 201510579032A CN 105207557 B CN105207557 B CN 105207557B
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Abstract
The invention discloses a kind of more intelligent motor control methods, the control method acquires the three-phase current of permanent magnet synchronous motor 1 by current detector, magneto 1 is detected respectively by 4 position signal detectors, magneto 2, magneto 3, the rotor-position signal of magneto 4 is calculated four motor synchronous rotor position signals, according to magneto 1, magneto 2, magneto 3, the whether complete equal determination for carrying out current controller d q axis to constant current of the rotor-position signal of magneto 4, come finally by inverter while controlling magneto 1, magneto 2, magneto 3 and magneto 4 follow Setting signal to run.The present invention have efficiently, driving capability is strong, save cost, control is simple and practicable, the advantages that good reliability, driveability is more preferable.
Description
Technical field
The present invention relates to the fields of electric machines control technology, more particularly, to a kind of more intelligent motor control methods.
Background technology
As Urbanization in China steps into new developing stage, " trip is difficult " has become city dweller's focus of attention
Problem.Since urban track traffic has many advantages, such as that big freight volume, safety, punctual, quick, comfortable and pollution are small, establish with track
Transportation system based on traffic is the important channel for solving Urban Traffic Jam Based.Therefore, urban track traffic is existing
The important vehicles in generationization city and infrastructure.
But train is not high enough using different machine motor drive efficiency at present, power density is not high enough, shared volume is larger, drives
Dynamic performance need to be improved, or is driven respectively to single motor using multiple inverters, spends cost excessively high, and reliability is lower,
Control is complicated.
Invention content
The purpose of the present invention is overcoming drawbacks described above existing in the prior art, a kind of more intelligent motor controlling parties are provided
Method, make it have efficiently, driving capability is strong, save cost, control is simple and practicable, the advantages that good reliability, driveability is more preferable.
To achieve the goals above, the present invention provides a kind of more intelligent motor control methods, steps are as follows for this method：
(1) the three-phase current i of magneto 1 is acquired by current detectora、ib、ic, then it is become by abc/dq
Parallel operation obtains the actual current value i under d-q coordinate systemsdAnd iq；
(2) magneto 1, magneto 2, magneto 3, permanent magnetism are detected respectively by 4 position signal detectors
The rotor-position signal θ of motor 41、θ2、θ3、θ4, it is θ to enable four motor synchronous rotor position signals, according to θ2Whether θ is more than3、θ4
The determination for carrying out four motor synchronous rotor position signal θ, works as θ2＞ θ3、θ4When, then it enablesWork as θ2≤θ3、θ4
And θ3＞ θ4When, then it enablesWork as θ2≤θ3、θ4And θ3≤θ4When, then it enablesThen by θ
It is sent into abc/dq converters and current controller；
(3) according to θ1、θ2、θ3、θ4It is whether complete equal, it carries out current controller d-q axis and gives constant current id *And iq *Determination,
Work as θ1、θ2、θ3、θ4It is complete equal, then enable id *=0, iq *For constant, work as θ1、θ2、θ3、θ4It is not all equal, then enable id *For constant, iq *=
0；
(4) by actual current id、iqWith obtain give constant current id *、iq *And four motor synchronous rotor position signal θ give
Enter current controller to be controlled, magneto 1, magneto 2, magneto 3 are then controlled by inverter simultaneously again
Setting signal is followed to run with magneto 4.
Compared with prior art, main advantage of the invention is：
A kind of more intelligent motor control methods disclosed by the invention acquire permanent magnet synchronous motor 1 by current detector
Three-phase current detects magneto 1, magneto 2, magneto 3, Permanent Magnet and Electric respectively by 4 position signal detectors
The rotor-position signal of machine 4 is calculated four motor synchronous rotor position signals, according to magneto 1, magneto 2, forever
The whether complete equal determination for carrying out current controller d-q axis to constant current of rotor-position signal of magneto 3, magneto 4, most
Setting signal is followed to transport to control magneto 1, magneto 2, magneto 3 and magneto 4 simultaneously by inverter afterwards
Row.The present invention have efficiently, driving capability is strong, save cost, controls simple and practicable, good reliability, it is excellent that driveability is more preferable etc.
Point.
Description of the drawings
Fig. 1 is a kind of more intelligent motor control method functional block diagrams.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing, more so as to those skilled in the art
Understand the present invention well.
As shown in Figure 1, be a kind of specific implementation mode of more intelligent motor control methods of the present invention, it is specific real
Applying step is：
(1) the three-phase current i of magneto 1 is acquired by current detectora、ib、ic, then it is become by abc/dq
Parallel operation obtains the actual current value i under d-q coordinate systemsdAnd iq；
(2) magneto 1, magneto 2, magneto 3, permanent magnetism are detected respectively by 4 position signal detectors
The rotor-position signal θ of motor 41、θ2、θ3、θ4, it is θ to enable four motor synchronous rotor position signals, according to θ2Whether θ is more than3、θ4
The determination for carrying out four motor synchronous rotor position signal θ, works as θ2＞ θ3、θ4When, then it enablesWork as θ2≤θ3、θ4
And θ3＞ θ4When, then it enablesWork as θ2≤θ3、θ4And θ3≤θ4When, then it enablesThen will
θ is sent into abc/dq converters and current controller；
(3) according to θ1、θ2、θ3、θ4It is whether complete equal, it carries out current controller d-q axis and gives constant current id *And iq *Determination,
Work as θ1、θ2、θ3、θ4It is complete equal, then enable id *=0, iq *For constant, work as θ1、θ2、θ3、θ4It is not all equal, then enable id *For constant, iq *=
0；
(4) by actual current id、iqWith obtain give constant current id *、iq *And four motor synchronous rotor position signal θ give
Enter current controller to be controlled, magneto 1, magneto 2, magneto 3 are then controlled by inverter simultaneously again
Setting signal is followed to run with magneto 4.
Embodiment of above is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, all
It is any change done on the basis of technical solution according to technological thought proposed by the present invention, each falls within present invention protection model
Within enclosing.
Claims (1)
1. a kind of more intelligent motor control methods, which is characterized in that include the following steps：
(1) the three-phase current i of magneto 1 is acquired by current detectora、ib、ic, it is then passed through into abc/dq converters
Obtain the actual current value i under d-q coordinate systemsdAnd iq；
(2) magneto 1, magneto 2, magneto 3, magneto 4 are detected respectively by 4 position signal detectors
Rotor-position signal θ1、θ2、θ3、θ4, it is θ to enable four motor synchronous rotor position signals, according to θ2Whether θ is more than3、θ4Carry out four
The determination of motor synchronous rotor position signal θ, works as θ2＞ θ3、θ4When, then it enablesWork as θ2≤θ3、θ4And θ3＞
θ4When, then it enablesWork as θ2≤θ3、θ4And θ3≤θ4When, then it enablesThen θ is sent into
In abc/dq converters and current controller；
(3) according to θ1、θ2、θ3、θ4It is whether complete equal, it carries out current controller d-q axis and gives constant current id *And iq *Determination, work as θ1、
θ2、θ3、θ4It is complete equal, then enable id *=0, iq *For constant, work as θ1、θ2、θ3、θ4It is not all equal, then enable id *For constant, iq *=0；
(4) by actual current id、iqWith obtain give constant current id *、iq *And four motor synchronous rotor position signal θ be sent into electricity
Stream controller is controlled, and then controls magneto 1, magneto 2, magneto 3 and forever simultaneously by inverter again
Magneto 4 follows Setting signal to run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510579032.6A CN105207557B (en) | 2015-09-13 | 2015-09-13 | A kind of more intelligent motor control methods |
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| CN201510579032.6A CN105207557B (en) | 2015-09-13 | 2015-09-13 | A kind of more intelligent motor control methods |
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| CN105207557A CN105207557A (en) | 2015-12-30 |
| CN105207557B true CN105207557B (en) | 2018-08-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0608769A2 (en) * | 1993-01-21 | 1994-08-03 | Fujitsu General Limited | Control device for air conditioner |
| CN1960161A (en) * | 2006-11-17 | 2007-05-09 | 清华大学 | Vector control system of alien frequencies power supplied permanent magnet synchronous motor |
| JP2007116812A (en) * | 2005-10-19 | 2007-05-10 | Fuji Heavy Ind Ltd | Inverter motor test device |
| CN101783633A (en) * | 2010-03-12 | 2010-07-21 | 江苏金方圆数控机床有限公司 | Coaxial drive system for two permanent magnet synchronous motors |
| CN102355176A (en) * | 2011-09-16 | 2012-02-15 | 苏州生物医学工程技术研究所 | Dual-motor synchronous control system and implementation method |
-
2015
- 2015-09-13 CN CN201510579032.6A patent/CN105207557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0608769A2 (en) * | 1993-01-21 | 1994-08-03 | Fujitsu General Limited | Control device for air conditioner |
| JP2007116812A (en) * | 2005-10-19 | 2007-05-10 | Fuji Heavy Ind Ltd | Inverter motor test device |
| CN1960161A (en) * | 2006-11-17 | 2007-05-09 | 清华大学 | Vector control system of alien frequencies power supplied permanent magnet synchronous motor |
| CN101783633A (en) * | 2010-03-12 | 2010-07-21 | 江苏金方圆数控机床有限公司 | Coaxial drive system for two permanent magnet synchronous motors |
| CN102355176A (en) * | 2011-09-16 | 2012-02-15 | 苏州生物医学工程技术研究所 | Dual-motor synchronous control system and implementation method |
Non-Patent Citations (2)
| Title |
|---|
| 《列车牵引电机负荷不平衡问题及控制策略研究》;汪斌;《电气传动》;20121031;第42卷(第10期);第24页右栏-25页左栏，图5、图6 * |
| 《单变频器驱动非耦合两异步电机加权矢量控制》;徐飞等;《中国电机工程学报》;20130630;第33卷(第12期);全文 * |
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| CN105207557A (en) | 2015-12-30 |
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Effective date of registration: 20180627 Address after: 450000 six, building 366, 366 South five road, Zhengzhou economic and Technological Development Zone, Zhengzhou, Henan Applicant after: Zhengzhou Zhi Drive Technology Co., Ltd. Address before: No. 5, No. 7, Hua Tu Wan, Banan District, Chongqing City, No. 7 Applicant before: Shi Chengfu |
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