CN102545761B - Automatic calibrating device for initial zero-position angle of permanent magnet synchronous motor and using method of automatic calibrating device - Google Patents

Automatic calibrating device for initial zero-position angle of permanent magnet synchronous motor and using method of automatic calibrating device Download PDF

Info

Publication number
CN102545761B
CN102545761B CN201010615355.3A CN201010615355A CN102545761B CN 102545761 B CN102545761 B CN 102545761B CN 201010615355 A CN201010615355 A CN 201010615355A CN 102545761 B CN102545761 B CN 102545761B
Authority
CN
China
Prior art keywords
synchronous motor
permagnetic synchronous
voltage
zero
resolver
Prior art date
Application number
CN201010615355.3A
Other languages
Chinese (zh)
Other versions
CN102545761A (en
Inventor
李鑫
张玉柱
徐性怡
Original Assignee
上海大郡动力控制技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海大郡动力控制技术有限公司 filed Critical 上海大郡动力控制技术有限公司
Priority to CN201010615355.3A priority Critical patent/CN102545761B/en
Publication of CN102545761A publication Critical patent/CN102545761A/en
Application granted granted Critical
Publication of CN102545761B publication Critical patent/CN102545761B/en

Links

Abstract

The invention relates to the field of angle measuring equipment, in particular to an automatic calibrating device for an initial zero-position angle of a permanent magnet synchronous motor and a using method of the automatic calibrating device. The automatic calibrating device for the initial zero-position angle of the permanent magnet synchronous motor comprises an isolation voltage sensor (11) and a rotating transformer (12) and is characterized by also comprising a voltage sample decoder (13), a rotating transformer decoding chip (14) and a signal processor (15), wherein the isolation voltage sensor (11) is connected with the voltage sample decoder (13), and the rotating transformer (12) is connected with the rotating transformer decoding chip (14). The using method of the automatic calibrating device for the initial zero-position angle of the permanent magnet synchronous motor is characterized in that the processing process of the signal processor (15) comprises the following steps of: initializing; sampling a position and a line voltage; judging the current angle; acquiring the line voltage; judging; and calibrating. The automatic calibrating device and the using method thereof have the advantages of high precision, short spent time and high efficiency.

Description

Permagnetic synchronous motor zero-bit initial angle automatic calibration device and using method thereof

Technical field

The present invention relates to the measuring equipment field of angle, be specially a kind of permagnetic synchronous motor zero-bit initial angle automatic calibration device.

Background technology

Based on the continuous lifting to power conservation requirement, efficient permagnetic synchronous motor starts to be widely used.As shown in Figure 1, PMSM Drive System is made up of battery 1, electric machine controller 2, prime mover 3, shaft coupling 4 and permagnetic synchronous motor 5, the direct current input electric machine controller 2 that battery 1 exports, convert to after three-phase alternating current through electric machine controller 2 and input permagnetic synchronous motor 5, prime mover 3 is connected by the rotor of shaft coupling with permagnetic synchronous motor 5.Rotor-position detection is Realization of pulse width modulation based on voltage space vector (the i.e. Space-Vector Pulse Width Modulation for permagnetic synchronous motor, be called for short SVPWM) important step, the rotor-position of permagnetic synchronous motor detects usual resolver and realizes, and usually there is deviation in the zero-bit angle of resolver and permagnetic synchronous motor zero-bit angle, the manufacture of permagnetic synchronous motor and resolver and location tolerance make again this deviate not fix, if can not accurately and fast demarcate deviate, the control performance of permagnetic synchronous motor can be had a strong impact on.At present, to the demarcation of permagnetic synchronous motor zero-bit initial angle, usually the way of artificial check and correction is taked, the subjectivity of artificial proofreading method is stronger, the judgement comparison in difference of different testers to deviate is large, and artificial proofreading method needs to expend the more time check and correction of tester, not easily through engineering approaches.Therefore, the demarcation existing defects of existing permagnetic synchronous motor zero-bit initial angle, hampers the application of permagnetic synchronous motor.

Summary of the invention

In order to overcome the defect of prior art, a kind of calibration facility of high, the consuming time short zero-bit initial angle of precision being provided, the invention discloses a kind of permagnetic synchronous motor zero-bit initial angle automatic calibration device and using method thereof.

The present invention reaches goal of the invention by following technical solution:

A kind of permagnetic synchronous motor zero-bit initial angle automatic calibration device, comprise isolation voltage transducer and resolver, isolation voltage transducer has two, it is characterized in that: also comprise voltage sample decoder, resolver decoding chip and signal processor, isolation voltage transducer is connected with voltage sample decoder respectively by holding wire, resolver is connected with resolver decoding chip by holding wire, and signal processor connects voltage sample decoder and resolver decoding chip respectively by holding wire.

Described permagnetic synchronous motor zero-bit initial angle automatic calibration device, is characterized in that: signal processor adopt in single-chip microcomputer, single board computer, microcomputer and PLC any one.

The using method of described permagnetic synchronous motor zero-bit initial angle automatic calibration device, is characterized in that:

Two isolation voltage transducers are connected on respectively in the two-phase in the three-phase alternating current of electric machine controller output, isolation voltage transducer is used for gathering line information of voltage, the stator of resolver is located on the stator of permagnetic synchronous motor, be located on the rotor of permagnetic synchronous motor by the rotor of resolver, resolver is for gathering the positional information of permanent-magnetic synchronous motor rotor.Electric machine controller does not work, permagnetic synchronous motor is dragged by prime mover and carries out rotating and reaching constant rotational speed, the line information of voltage of isolation voltage transducer collection is converted to voltage signal after voltage sample decoder processes, and by this voltage signal input signal processor, the positional information of the permanent-magnetic synchronous motor rotor of resolver collection is converted to permanent-magnet synchronous motor rotor position angle signal after the process of resolver decoder chip, and by this position signalling input signal processor.

The handling process of signal processor is made up of six steps of carrying out successively as follows: initialization, sampling location and line voltage, judge current angular, gathering line voltage, judgement and demarcation.

During initialization, first initialization zero-bit initial angle is zero.

When sampling location and line voltage, signal processor is with the position signalling of the periodic sampling permanent-magnetic synchronous motor rotor of 20us and line voltage signal.

When judging current angular, the rotor position angle that rotor current angular equals resolver output deducts initial zero position angle.

During gathering line voltage, gather the line voltage between permagnetic synchronous motor two phase lines by isolation voltage transducer.

During judgement, when the physical location of permanent-magnetic synchronous motor rotor is positioned at zero angle position, judge whether the line voltage of permagnetic synchronous motor now reaches line voltage max, if reach maximum, then proceed to demarcating steps, timing signal, current location is demarcated as zero-bit initial angle; If do not reach maximum, then reduce the value of zero-bit initial angle, and repeat to judging four steps only from sampling location and line voltage, until demarcated.

The using method of described permagnetic synchronous motor zero-bit initial angle automatic calibration device, is characterized in that: permagnetic synchronous motor is undertaken rotating by prime mover dragging and the constant rotational speed reached is 1000 revs/min.

The using method of described permagnetic synchronous motor zero-bit initial angle automatic calibration device, it is characterized in that: in the handling process of signal processor during gathering line voltage, the opposite potential between permagnetic synchronous motor two phase lines is gathered by isolation voltage transducer, make revolving of the maximum of the opposite potential between these two phase lines and permagnetic synchronous motor become zero-bit and overlap, revolving of permagnetic synchronous motor now becomes the side-play amount that output valve is zero-bit.

The present invention is by simple sampling processing circuit, and the rapid batchization that can realize for permagnetic synchronous motor zero-bit initial angle detects, and the invention has the beneficial effects as follows: precision is high, consuming time short, efficiency is high.

Accompanying drawing explanation

Fig. 1 is the structural representation of prior art PMSM Drive System;

Fig. 2 is structural representation of the present invention;

Fig. 3 is the connection diagram of the present invention when using;

Fig. 4 is the present invention's flow chart that zero-bit initial angle is demarcated when using.

Embodiment

The present invention is further illustrated below by way of specific embodiment.

Embodiment 1

A kind of permagnetic synchronous motor zero-bit initial angle automatic calibration device, comprise isolation voltage transducer 11, resolver 12, voltage sample decoder 13, resolver decoding chip 14 and signal processor 15, as shown in Figure 2, concrete structure is: isolation voltage transducer 11 has two, isolation voltage transducer 11 is connected with voltage sample decoder 13 respectively by holding wire, resolver 12 is connected with resolver decoding chip 14 by holding wire, signal processor 15 connects voltage sample decoder 13 and resolver decoding chip 14 respectively by holding wire.Signal processor 15 can adopt in single-chip microcomputer, single board computer, microcomputer and PLC any one, the present embodiment adopts single-chip microcomputer.

When the present embodiment uses, as shown in Figure 3, two isolation voltage transducers 11 are connected on respectively in B, C two-phase in the three-phase alternating current that electric machine controller 2 exports, isolation voltage transducer 11 is for gathering line information of voltage, the stator of resolver 12 is located on the stator of permagnetic synchronous motor 5, be located at by the rotor of resolver 12 on the rotor of permagnetic synchronous motor 5, resolver 12 is for gathering the positional information of permagnetic synchronous motor 5 rotor.Carry out zero-bit initial angle timing signal, two isolation voltage transducers 11 are connected on respectively in the two-phase in the three-phase alternating current that electric machine controller 2 exports, isolation voltage transducer 11 is for gathering line information of voltage, the stator of resolver 12 is located on the stator of permagnetic synchronous motor 5, be located at by the rotor of resolver 12 on the rotor of permagnetic synchronous motor 5, resolver 12 is for gathering the positional information of permagnetic synchronous motor 5 rotor.

Electric machine controller 2 does not work, permagnetic synchronous motor 5 is dragged by prime mover 7 and carries out rotating and reach constant rotational speed 1000 revs/min, the line information of voltage that isolation voltage transducer 11 gathers is converted to voltage signal after voltage sample decoder 13 processes, and by this voltage signal input signal processor 15, the positional information of permagnetic synchronous motor 5 rotor that resolver 12 gathers is converted to permagnetic synchronous motor 5 rotor position angle signal after resolver decoder chip 14 processes, and by this position signalling input signal processor 15.

The handling process of signal processor 15 is made up of six steps of carrying out successively as follows: initialization, sampling location and line voltage, judge current angular, gathering line voltage, judgement and demarcation.

During initialization, first initialization zero-bit initial angle is zero.

When sampling location and line voltage, signal processor 15 is with the position signalling of periodic sampling permagnetic synchronous motor 5 rotor of 20us and line voltage signal.

When judging current angular, the rotor position angle that rotor current angular equals resolver 12 output deducts initial zero position angle.

During gathering line voltage, gather the line voltage between permagnetic synchronous motor 5 two phase lines by isolation voltage transducer 11.

During judgement, when the physical location of permagnetic synchronous motor 5 rotor is positioned at zero angle position, judge whether the line voltage of permagnetic synchronous motor 5 now reaches line voltage max, if reach maximum, then proceed to demarcating steps, timing signal, current location is demarcated as zero-bit initial angle; If do not reach maximum, then reduce the value of zero-bit initial angle, and repeat to judging four steps only from sampling location and line voltage, until demarcated.

Embodiment 2

A kind of permagnetic synchronous motor zero-bit initial angle automatic calibration device, comprises isolation voltage transducer 11, resolver 12, voltage sample decoder 13, resolver decoding chip 14 and signal processor 15.When the present embodiment uses, the handling process of signal processor 15 is made up of six steps of carrying out successively as follows: initialization, sampling location and line voltage, judge current angular, gathering line voltage, judgement and demarcation.During gathering line voltage, the opposite potential between permagnetic synchronous motor 5 two phase lines is gathered by isolation voltage transducer 11, make revolving of the maximum of the opposite potential between these two phase lines and permagnetic synchronous motor 5 become zero-bit and overlap, revolving of permagnetic synchronous motor 5 now becomes the side-play amount that output valve is zero-bit.Other structures and using method are all same with embodiment 1.

Claims (3)

1. the using method of a permagnetic synchronous motor zero-bit initial angle automatic calibration device, permagnetic synchronous motor zero-bit initial angle automatic calibration device comprises isolation voltage transducer (11), resolver (12), voltage sample decoder (13), resolver decoding chip (14) and signal processor (15), isolation voltage transducer (11) has two, isolation voltage transducer (11) is connected with voltage sample decoder (13) respectively by holding wire, resolver (12) is connected with resolver decoding chip (14) by holding wire, signal processor (15) connects voltage sample decoder (13) and resolver decoding chip (14) respectively by holding wire, signal processor (15) adopts single-chip microcomputer, single board computer, any one in microcomputer and PLC,
It is characterized in that:
Two isolation voltage transducers (11) are connected on respectively in the two-phase in the three-phase alternating current that electric machine controller (2) exports, isolation voltage transducer (11) is for gathering line information of voltage, the stator of resolver (12) is located on the stator of permagnetic synchronous motor (5), be located on the rotor of permagnetic synchronous motor (5) by the rotor of resolver (12), resolver (12) is for gathering the positional information of permagnetic synchronous motor (5) rotor;
Electric machine controller (2) does not work, permagnetic synchronous motor (5) is dragged by prime mover (7) and carries out rotating and reaching constant rotational speed, the line information of voltage that isolation voltage transducer (11) gathers is converted to voltage signal after voltage sample decoder (13) process, and by this voltage signal input signal processor (15), the positional information of permagnetic synchronous motor (5) rotor that resolver (12) gathers is converted to permagnetic synchronous motor (5) rotor position angle signal after resolver decoder chip (14) process, and by this position signalling input signal processor (15),
The handling process of signal processor (15) is made up of six steps of carrying out successively as follows: initialization, sampling location and line voltage, judge current angular, gathering line voltage, judgement and demarcation,
During initialization, first initialization zero-bit initial angle is zero;
When sampling location and line voltage, signal processor (15) is with the position signalling of periodic sampling permagnetic synchronous motor (5) rotor of 20us and line voltage signal;
When judging current angular, rotor current angular equals the rotor position angle that resolver (12) exports and deducts initial zero position angle;
During gathering line voltage, gather the line voltage between permagnetic synchronous motor (5) two phase lines by isolation voltage transducer (11);
During judgement, when the physical location of permagnetic synchronous motor (5) rotor is positioned at zero angle position, judge whether the line voltage of permagnetic synchronous motor (5) now reaches line voltage max, if reach maximum, then proceed to demarcating steps, timing signal, is demarcated as zero-bit initial angle by current location; If do not reach maximum, then reduce the value of zero-bit initial angle, and repeat to judging four steps only from sampling location and line voltage, until demarcated.
2. the using method of permagnetic synchronous motor zero-bit initial angle automatic calibration device as claimed in claim 1, is characterized in that: permagnetic synchronous motor (5) is undertaken rotating by prime mover (7) dragging and the constant rotational speed reached is 1000 revs/min.
3. the using method of permagnetic synchronous motor zero-bit initial angle automatic calibration device as claimed in claim 1, it is characterized in that: in the handling process of signal processor (15) during gathering line voltage, the opposite potential between permagnetic synchronous motor (5) two phase lines is gathered by isolation voltage transducer (11), make revolving of the maximum of the opposite potential between these two phase lines and permagnetic synchronous motor (5) become zero-bit and overlap, revolving of permagnetic synchronous motor (5) now becomes the side-play amount that output valve is zero-bit.
CN201010615355.3A 2010-12-30 2010-12-30 Automatic calibrating device for initial zero-position angle of permanent magnet synchronous motor and using method of automatic calibrating device CN102545761B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010615355.3A CN102545761B (en) 2010-12-30 2010-12-30 Automatic calibrating device for initial zero-position angle of permanent magnet synchronous motor and using method of automatic calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010615355.3A CN102545761B (en) 2010-12-30 2010-12-30 Automatic calibrating device for initial zero-position angle of permanent magnet synchronous motor and using method of automatic calibrating device

Publications (2)

Publication Number Publication Date
CN102545761A CN102545761A (en) 2012-07-04
CN102545761B true CN102545761B (en) 2015-06-24

Family

ID=46351862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010615355.3A CN102545761B (en) 2010-12-30 2010-12-30 Automatic calibrating device for initial zero-position angle of permanent magnet synchronous motor and using method of automatic calibrating device

Country Status (1)

Country Link
CN (1) CN102545761B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103888040B (en) * 2012-12-21 2018-01-12 上海大郡动力控制技术有限公司 Rotating transformer of permanent magnet synchronous motor zero drift Concordance method
CN104065319B (en) * 2013-12-30 2018-12-14 上海大郡动力控制技术有限公司 The scaling method of permanent magnet synchronous motor zero-bit initial angle
CN104485859B (en) * 2014-12-30 2017-04-12 北京经纬恒润科技有限公司 Method and device for determining zero initial angle of motor
CN104660118B (en) * 2015-03-11 2017-04-12 南车株洲电力机车研究所有限公司 Zero calculation method for permanent magnet synchronous motor rotating transformer
CN105162372B (en) * 2015-10-09 2018-08-24 中车株洲电力机车研究所有限公司 A kind of method and system of correction initial zero position deviation
CN107147341A (en) * 2017-06-16 2017-09-08 中国科学院长春光学精密机械与物理研究所 The vector control method and control system and stable head rotated for controlled motor
CN107834934B (en) * 2017-12-01 2020-05-08 重庆长安汽车股份有限公司 Electric automobile and automatic correction method and system for initial position of rotary transformer of electric automobile
CN109239635B (en) * 2018-09-30 2020-10-27 合肥巨一动力系统有限公司 Permanent magnet synchronous motor rotary transformer zero calibration system and calibration method
CN109995277A (en) * 2019-03-22 2019-07-09 联创汽车电子有限公司 Permanent-magnetic synchronous motor rotor zero-bit initial angle calibration system and its scaling method
CN110715598A (en) * 2019-10-22 2020-01-21 北京动力机械研究所 Rotary transformer offset detection system and method of rotary transformer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5874821A (en) * 1994-10-21 1999-02-23 Agie Sa Method and apparatus for controlling a brushless electro motor by determining the absolute phase position of the rotor relative to the stator
CN1838523A (en) * 2005-03-23 2006-09-27 比亚迪股份有限公司 Permanent-magnet synchronous motor rotor position sensing method and position sensing device
CN101604887A (en) * 2009-07-06 2009-12-16 奇瑞汽车股份有限公司 A kind of calibrating motor position sensor system and method
CN101615825A (en) * 2009-05-18 2009-12-30 奇瑞汽车股份有限公司 A kind of rotating transformer of permanent magnet synchronous motor demarcation and zero-setting system and How It Works thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4589093B2 (en) * 2004-12-10 2010-12-01 日立オートモティブシステムズ株式会社 Synchronous motor driving apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5874821A (en) * 1994-10-21 1999-02-23 Agie Sa Method and apparatus for controlling a brushless electro motor by determining the absolute phase position of the rotor relative to the stator
CN1838523A (en) * 2005-03-23 2006-09-27 比亚迪股份有限公司 Permanent-magnet synchronous motor rotor position sensing method and position sensing device
CN101615825A (en) * 2009-05-18 2009-12-30 奇瑞汽车股份有限公司 A kind of rotating transformer of permanent magnet synchronous motor demarcation and zero-setting system and How It Works thereof
CN101604887A (en) * 2009-07-06 2009-12-16 奇瑞汽车股份有限公司 A kind of calibrating motor position sensor system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于旋转变压器的永磁同步电机转子位置检测电路设计;袁登科 登;《电机与控制应用》;20091124;全文 *

Also Published As

Publication number Publication date
CN102545761A (en) 2012-07-04

Similar Documents

Publication Publication Date Title
CN104767429B (en) Brshless DC motor power inverter power-on self-test device and self checking method
CN101615825B (en) Calibration and zero adjustment system of rotating transformer of permanent magnet synchronous motor and operation method thereof
CN103427746B (en) A kind of face mounted permagnetic synchronous motor full speed range method for controlling position-less sensor
CN104836506B (en) A kind of permanent-magnetic synchronous motor rotor zero correction system and method
JP2009189176A (en) Drive system for synchronous motor
CN102025305B (en) Hall phase sequence detecting method and device of brushless direct-current motor
CN103731076B (en) A kind of control method of electric bicycle based on permanent-magnet brushless DC electric machine
CN1279687C (en) Method for positioning first-on rotor for alternating current permanent-magnet synchronous motor control system
CN101603997B (en) Method for testing parameters of synchronous motor and device for achieving same
CN104852637B (en) Two-chip brushless DC motor drive control system and control method thereof
CN103414427B (en) Brushless direct current motor control method
CN102386835B (en) Method for acquiring parameters of permanent magnet synchronous motor (PMSM)
CN103185839B (en) Permanent magnet motor inductance parameter measurement device and permanent magnet motor inductance parameter measurement method
CN102291065A (en) Brushless direct current motor control device based on DSP (Digital Signal Processor)
CN102818952B (en) Method and device for automatically detecting and compensating zero position deviation of rotary transformer
CN101924514B (en) Rotary transformer initial position signal autocorrection method
CN103259487B (en) The method of Frequency Converter Control motor and frequency converter
CN104811102B (en) The control system and parameter identification method of permagnetic synchronous motor
CN102545749B (en) Wide-speed-regulation-range brushless direct current motor position sensorless control device and method
CN103560725B (en) A kind of Brushless DC Motor Position detection method independent of rotating speed
CN102938628A (en) Method for positioning permanent magnet synchronous motor rotor initial position
CN102969955A (en) Non-position detection of permanent magnetic direct-current brushless double-rotor motor
CN201383787Y (en) Controller of brushless direct current motor
CN102075131A (en) Low-speed and zero-speed rotor position observation method and device during fault-tolerant operation of synchronous motor
CN101873096A (en) Determine the method for motor flux vector position

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model