Temperature responsive suspension system control

Details Temperature responsive suspension system control Temperature responsive suspension system control

1995-03-27

1996-11-26

Zanelli, Michael

Boots, shoes, and leggings

280707, B60G 17015

Patent

active

055792294

ABSTRACT:
A suspension system control method comprising the steps of: measuring an ambient temperature outside a vehicle; measuring a relative velocity of a suspension system damper; responsive to the relative velocity and the ambient temperature, estimating a damping fluid temperature of damping fluid within the actuator; comparing the estimated damping fluid temperature to a predetermined threshold; if the damping fluid temperature is not above the predetermined threshold, constraining an actuator command to a cold temperature maximum value, wherein the cold temperature maximum value is less than a corresponding normal non-cold temperature maximum value for the actuator command; and outputting the actuator command to the damper, wherein the occurrence of suspension noise and harshness during cold temperature operation of the vehicle is minimized.

REFERENCES:
patent: 4674608 (1987-06-01), Morris et al.
patent: 5000478 (1991-03-01), Kerastas
patent: 5104144 (1992-04-01), Bethell
patent: 5184703 (1993-02-01), Van Zeggeren
patent: 5200895 (1993-04-01), Emura et al.
patent: 5255191 (1993-10-01), Fulks
patent: 5396973 (1995-03-01), Schwemmer et al.

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