Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2008-03-20
2011-12-06
Hurley, Kevin (Department: 3611)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
C701S043000, C180S404000, C280S005522
Reexamination Certificate
active
08073592
ABSTRACT:
A steering system includes: an electric power steering device which includes a steering unit of front wheels having an electric motor for generating an auxiliary torque in accordance with at least a steering torque and for transmitting the auxiliary torque to the steering unit; toe angle changers for changing toe angles of rear wheels in accordance with at least a front wheel turning angle and a vehicle speed; and a steering controller for controlling the electric power steering device and the toe angle changer. The steering system further includes a toe angle changer anomaly detection unit and/or an electric power steering device anomaly detection unit, and when a toe angle changer abnormal state is detected, an auxiliary torque target value and/or a viscosity in the electric power steering device is controlled, and when an electric power steering device abnormal state is detected, the toe angle changer is controlled.
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Nishimori Takashi
Tokunaga Hiroyuki
Yamada Masaya
Honda Motor Co. Ltd.
Hurley Kevin
Rankin , Hill & Clark LLP
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