Rear wheel steering control device
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United States of America Patent
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Apr 30, 2013
Grant Date -
Nov 1, 2012
app pub date -
Nov 12, 2010
filing date -
Nov 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Generally, the toe angle target speed limiting unit (84A) adds a toe angle target value αT2P subjected to the primary delay to the result of a min-max processing the tracking error ΔαT1A by an adder (58A) to output it as a toe angle target value αT2A to a target current calculating unit (86). However, in this toe angle target speed limiting unit (84A), a switching control (steering direction change control) for generating a maximum value ΔαTmax as the toe angle target change quantity ΔαT2 and a hold control are made when a neutral position of the toe angle target value αT2A which is prior to the toe angle command value αT1 which is reached.
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