Invention Grant
- Patent Title: Motor drive system and control method therefor
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Application No.: US16900326Application Date: 2020-06-12
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Publication No.: US11133770B2Publication Date: 2021-09-28
- Inventor: Yi-Jan Chang , Yi-Kai Chou , Po-Sung Chiang , Chien-Hao Chen
- Applicant: Delta Electronics, Inc.
- Applicant Address: TW Taoyuan
- Assignee: Delta Electronics, Inc.
- Current Assignee: Delta Electronics, Inc.
- Current Assignee Address: TW Taoyuan
- Agency: Kirton McConkie
- Agent Evan R. Witt
- Main IPC: H02P29/024
- IPC: H02P29/024
Abstract:
A motor drive system and a control method are provided. The motor drive system is electrically connected to a motor. The motor drive system includes two safe torque off (STO) modules to achieve a two-channel STO redundancy infrastructure, so as to improve the safety of the motor drive system. In addition, the motor drive system includes a diagnosis module to diagnose malfunction of the STO modules. It ensures the STO modules to meet the related safety requirements.
Information query
IPC分类:
