- 专利标题: Road surface characterization based upon filter coefficients
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申请号: US15932267申请日: 2018-02-16
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公开(公告)号: US20190256101A1公开(公告)日: 2019-08-22
- 发明人: Timothy J. Roggenkamp , Christopher A. Stirlen , Frank C. Valeri
- 申请人: GM Global Technology Operations LLC
- 申请人地址: US MI Detroit
- 专利权人: GM Global Technology Operations LLC
- 当前专利权人: GM Global Technology Operations LLC
- 当前专利权人地址: US MI Detroit
- 主分类号: B60W40/06
- IPC分类号: B60W40/06 ; B60W40/105 ; B60W40/10
摘要:
A system that determines a road surface profile based upon filter coefficient data from noise cancellation systems is disclosed. The system includes a filter coefficient monitoring module that is configured to receive a first set of filter coefficient data from an noise cancellation module. The system also includes a road surface profile module that is configured to receive an input representing a road surface type and generate a road surface profile based upon the road surface type and the first set of filter coefficient data and to store the road surface profile including a correspondence between the road surface type and the first set of filter coefficient data.
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