Steering handle neutral position estimating apparatus

Boots – shoes – and leggings

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180142, 180141, B62D 506

Patent

active

050653237

ABSTRACT:
A steering handle neutral position estimating apparatus for use with a motor vehicle having a steering handle operable to provide a driver's vehicle steering demand. The apparatus comprises a first sensor sensitive to steering handle position for producing an electric signal indicative of a sensed steering handle position, and a second sensor sensitive to steering handle position for producing a steering handle neutral position signal having a first level when the sensed steering handle position is in a predetermined range and a second level when the sensed steering handle is out of the predetermined range. The first and second sensors are coupled to an estimating unit which estimates a sterring handle neutral position when four conditions are fulfilled; that is when the steering handle neutral position signal is at its first level, when the steering handle position change is less than a reference value, when the vehicle continuous traveling distance is greater than a reference value, and the vehicle traveling speed is greater than a first reference value and less than a second, greater reference value.

REFERENCES:
patent: 4834201 (1989-05-01), Miyazaki et al.
patent: 4856607 (1989-08-01), Sueshige et al.
patent: 4939654 (1990-07-01), Kouda et al.
patent: 4979114 (1990-12-01), Oshita et al.

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