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Adaptively controlled vibration damping support apparatus for vehicle power unit including engine

Image Number 3 for United States Patent #5409078.

A vibration damping support apparatus for a power unit of an automobile is disclosed which includes: an oscillating device disposed between a vehicle body and the power unit, for oscillating the power unit with respect to the vehicle body; a first sensor attached to the power unit, for detecting vibration of the power unit; a second sensor attached to a member of a vehicle suspension system, for detecting vibration of the suspension member which is displaced relative to the vehicle body in response to movements of vehicle wheels; a third sensor attached to a monitoring point on the vehicle body, for detecting vibration of the vehicle body at the monitoring point; and a control device for controlling the oscillating device, based on a first reference signal and a second reference signal received from the first and second sensors, respectively, and an error signal received from the third sensor, the control device performing an adaptive control so that the error signal is minimized.

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