Invention Grant
- Patent Title: Steering control apparatus
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Application No.: US15653327Application Date: 2017-07-18
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Publication No.: US10370029B2Publication Date: 2019-08-06
- Inventor: Motoaki Kataoka , Yosuke Hirate
- Applicant: DENSO CORPORATION
- Applicant Address: JP Kariya, Aichi-pref.
- Assignee: DENSO CORPORATION
- Current Assignee: DENSO CORPORATION
- Current Assignee Address: JP Kariya, Aichi-pref.
- Agency: Knobbe, Martens, Olson & Bear, LLP
- Priority: JP2016-142213 20160720
- Main IPC: B62D5/00
- IPC: B62D5/00 ; B62D6/00 ; B62D6/04 ; B62D6/10 ; G01L5/00 ; B62D5/04 ; G01L5/22

Abstract:
A steering control apparatus controls an assistance torque outputted by a motor connected to a steering system mechanism that generates a steering torque. In the steering control apparatus, a load calculating unit estimates or detects a load acting on a steering shaft of the steering system mechanism. A target steering torque calculating unit calculates a target steering torque that is a target value of the steering torque, based on the estimated or detected load. A servo controller calculates a command value of the assistance torque such that a torque deviation that is a difference between the steering torque and the target steering torque is zero. A band correcting unit includes a band correction filter that extracts a component of a specific frequency band during a process of calculation from the load to the target steering torque, and corrects a gain of a predetermined transfer function at the extracted band.
Public/Granted literature
- US20180022384A1 STEERING CONTROL APPARATUS Public/Granted day:2018-01-25
Information query
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