Invention Grant
- Patent Title: Road surface determination device, suspension control device, and suspension device
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Application No.: US16538371Application Date: 2019-08-12
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Publication No.: US11247685B2Publication Date: 2022-02-15
- Inventor: Ken Isshiki , Eishi Ishimaru , Kyouichi Tagami , Katsutoshi Yokoi
- Applicant: SHOWA CORPORATION
- Applicant Address: JP Saitama
- Assignee: SHOWA CORPORATION
- Current Assignee: SHOWA CORPORATION
- Current Assignee Address: JP Saitama
- Agency: Casimir Jones, SC
- Agent Robert A. Goetz
- Priority: JPJP2017-059883 20170324
- Main IPC: B60W40/06
- IPC: B60W40/06 ; B62D6/00 ; B60G17/06 ; B60G17/0165 ; B60G17/016
Abstract:
A road surface condition is determined appropriately. A road surface determining section (84) configured to determine a road surface condition with reference to a wheel speed signal indicative of wheel speeds includes a band-stop filter (841) which acts on the wheel speed signal and has a cutoff frequency band which is changed in accordance with the wheel speed signal.
Information query
