Title:
MOTOR PARAMETER TRACKING METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/258202
Kind Code:
A1
Abstract:
A motor parameter tracking method and system, wherein the method comprises: by means of a voltage excitation signal, exciting a motor to work, and obtaining an actual voltage and an actual current at two ends of the motor in an operational state; on the basis of the actual voltage and the actual current, performing modeling on voltage errors of the motor so as to obtain a voltage error function of the motor; and according to the voltage error function and a preset iteration step length, performing an iterative operation on motor parameters, so as to achieve dynamic tracking of the motor. By using the described motor parameter tracking method, differences between batches of motors and individual motors may be adjusted in a self-adaptive manner, parameter variations resulting from changes in aspects such as motor temperature and attitude may be dynamically tracked, and all that is required is to set the same step value for all motor parameters, which not only lowers the difficulty of adjusting parameters, but also reduces the sensitivity of an algorithm to parameters.
Inventors:
LI TAO (CN)
GUO XUAN (CN)
XIANG ZHENG (CN)
GUO XUAN (CN)
XIANG ZHENG (CN)
Application Number:
PCT/CN2019/093505
Publication Date:
December 30, 2020
Filing Date:
June 28, 2019
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H02P7/02
Foreign References:
| CN109274308A | 2019-01-25 | |||
| CN103036498A | 2013-04-10 | |||
| CN109672383A | 2019-04-23 | |||
| CN106068007A | 2016-11-02 | |||
| US7230403B2 | 2007-06-12 |
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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