Title:
METHOD FOR CONTROLLING ORTHOGONAL ENCODER USING MULTIPLE ZERO-POINT SIGNALS
Document Type and Number:
WIPO Patent Application WO/2023/093301
Kind Code:
A1
Abstract:
A method for controlling an orthogonal encoder using multiple zero-point signals. The method comprises the following steps: selecting a corresponding pulse accumulation mode and number-of-pole-pairs mode according to the magnitude of a rotation angle; setting an expected zero-point position by means of a controller for an orthogonal encoder; and finally, by means of a counting mode of the orthogonal encoder, carrying out such a setting that the pulse width of a Z-phase zero-point signal is unchanged within a certain rotation speed, thereby guaranteeing the stability of the pulse width. By means of the method for controlling an orthogonal encoder using multiple zero-point signals, the adaptation of a multi-pole electric motor and the dynamic correction of a multi-line electric motor are realized, and the position reading accuracy degree is improved for different operating conditions.
Inventors:
ZHANG YI (CN)
ZHANG XUEMENG (CN)
WEI HAIFENG (CN)
WANG HAOCHEN (CN)
ZHANG XUEMENG (CN)
WEI HAIFENG (CN)
WANG HAOCHEN (CN)
Application Number:
PCT/CN2022/122972
Publication Date:
June 01, 2023
Filing Date:
September 30, 2022
Export Citation:
Assignee:
UNIV JIANGSU SCIENCE & TECH (CN)
International Classes:
H02P23/14; G01P3/481
Foreign References:
| CN114070161A | 2022-02-18 | |||
| CN103048012A | 2013-04-17 | |||
| CN106773897A | 2017-05-31 | |||
| CN111224679A | 2020-06-02 | |||
| US6556153B1 | 2003-04-29 |
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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