Invention Grant
- Patent Title: Driving apparatus and control method for electric actuator
- Patent Title (中): 电动执行机构驱动装置及控制方法
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Application No.: US11052244Application Date: 2005-02-08
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Publication No.: US08355235B2Publication Date: 2013-01-15
- Inventor: Kenichi Machida , Satoru Watanabe
- Applicant: Kenichi Machida , Satoru Watanabe
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JP2004-031728 20040209
- Main IPC: H01H47/00
- IPC: H01H47/00
Abstract:
A plurality of reference signals output from a controller which computes an operation amount of an electric actuator is subjected to the logical operation, and the power supply to a drive circuit for the electric actuator is shut off based on an output by the logical operation.
Public/Granted literature
- US20050174717A1 Driving apparatus and control method for electric actuator Public/Granted day:2005-08-11
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