B - Operations – Transporting – 60 – N
Patent
B - Operations, Transporting
60
N
B60N 2/50 (2006.01) B60N 2/00 (2006.01) B60N 2/02 (2006.01) B60R 21/01 (2006.01)
Patent
CA 2448494
A suspension system supports a seat with respect to a base mounted on a frame of a vehicle. The system includes a hydraulic actuator coupled between the seat and the base. A single accelerometer is attached to the base and generates a base acceleration signal in response to motion of the base. A control unit actively controls the hydraulic actuator as a function of the base acceleration signal. The control unit generates a base velocity signal by integrating the base acceleration signal, generates a seat position signal representing a position of the seat relative to the base, generates a seat position error signal representing a difference between a desired position and the seat position signal, and generates a command signal as a function of the velocity signal and of the position error signal. The control unit controls the actuator by applying the command signal thereto.
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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