Invention Grant
- Patent Title: Power steering apparatus and control circuit for power steering apparatus
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Application No.: US15505685Application Date: 2015-08-31
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Publication No.: US10407092B2Publication Date: 2019-09-10
- Inventor: Mitsuo Sasaki , Makoto Goto
- Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Applicant Address: JP Hitachinaka-Shi
- Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Current Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Current Assignee Address: JP Hitachinaka-Shi
- Agency: Foley & Lardner LLP
- Priority: JP2014-193902 20140924
- International Application: PCT/JP2015/074680 WO 20150831
- International Announcement: WO2016/047384 WO 20160331
- Main IPC: B62D5/04
- IPC: B62D5/04 ; G01F23/22 ; G01M3/18
Abstract:
A power steering apparatus and a control circuit for a power steering apparatus are provided. The power steering apparatus detects an abnormality in the power steering apparatus based on whether there is a periodic change within a predetermined frequency range with respect to the number of rotations of an electric motor, a steering velocity, or a steering torque.
Public/Granted literature
- US20170274929A1 POWER STEERING APPARATUS AND CONTROL CIRCUIT FOR POWER STEERING APPARATUS Public/Granted day:2017-09-28
Information query
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