Vehicle steering system
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Sep 6, 2016
filing date -
Sep 11, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle steering system includes a higher-level ECU and a lower-level ECU. The lower-level ECU includes a steered angle limit setter, and steered angle limiters. The steered angle limit setter sets an allowable upper limit to a target inner and outer wheel steered angle difference responsive to the absolute value of a target outer steered angle. The steered angle limit setter calculates a limit to the absolute value of a target inner steered angle. The steered angle limit setter subsequently sets this limit for one of the steered angle limiters that is fed the target inner steered angle in the present calculation cycle. The limiter, which is fed the target inner steered angle, limits the absolute value of the target inner steered angle so that the absolute value of the target inner steered angle is equal to or below the limit, and outputs the resulting value.
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Family
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Cited Art Landscape
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