RETREAT DETERMINING DEVICE AND METHOD OF DETERMINING RETREAT

PROBLEM TO BE SOLVED: To determine retreat in a quick and accurate way, in a retreat determining device which determines retreat of a vehicle by the yaw rate, or the like.SOLUTION: The retreat determining device 10 determines retreat of a vehicle, based on the body speed of a vehicle, lateral accele...

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Bibliographische Detailangaben
Hauptverfasser: MORI RYOJI, SUZUKI NORIAKI, SAKAKI YUJI, YANAGIDA HISANORI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To determine retreat in a quick and accurate way, in a retreat determining device which determines retreat of a vehicle by the yaw rate, or the like.SOLUTION: The retreat determining device 10 determines retreat of a vehicle, based on the body speed of a vehicle, lateral acceleration applied to a vehicle, and a yaw rate of a vehicle. The retreat determining device includes a rear axle lateral acceleration calculating unit 11 for calculating rear axle lateral acceleration, namely, the lateral acceleration in the rear-side axle of a vehicle, based on the lateral acceleration detected by a lateral acceleration detection means; a track angle rate calculating unit 12 for calculating the track angle rate of a vehicle, based on the rear axle lateral acceleration and the body speed detected by a body speed detection means; and a retreat determining unit 13 for determining retreat of a vehicle, by comparing the track angle rate and the yaw rate detected by a yaw rate sensor.