VEHICLE STEERING SYSTEM

A vehicle steering system includes an axial force sensor that detects a vibration of a vehicle wheel; and a control device including an FFT analysis unit that resolves the vibration of the vehicle wheel into a power spectrum. The control device executes compensation assist control that suppresses on...

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Bibliographic Details
Main Author KOUCHI TATSUMA
Format Patent
LanguageEnglish
Published 02.10.2014
Subjects
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
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Summary:A vehicle steering system includes an axial force sensor that detects a vibration of a vehicle wheel; and a control device including an FFT analysis unit that resolves the vibration of the vehicle wheel into a power spectrum. The control device executes compensation assist control that suppresses one of a deflection of the vehicle and a vibration of a steering component that are caused by a puncture or a burst of the vehicle wheel, based on the vibration calculated based on a radius of the vehicle wheel when the vehicle wheel is normal and a vehicle speed and an abnormal-wheel frequency calculated based on a radius of the vehicle wheel when the vehicle wheel is punctured or burst and the vehicle speed.
Bibliography:Application Number: US201414221594