Electronic controlled fluid suspension system for controlling roll and pitch of a vehicle body
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 1990
Grant Date -
N/A
app pub date -
Sep 2, 1988
filing date -
Sep 4, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In controlling roll and pitch of a vehicle body responsive to a displacement signal produced at each wheel of the vehicle, each signal is low-pass-filtered with a certain threshold frequency to prevent hunting of the control due to an excessively high frequency component (such as noise or a component corresponding to road irregularities) of the signal. According to this invention, the threshold frequency is changed to a higher value in order to get quick attitude control when the roll or pitch of the body is expected, while it is set at a lower value when no such attitude change is expected in order to prevent hunting of the control.
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