A system and method of controlling engine vibration mounted within a
vehicle including at least one hydraulic mount, each mount including a
fluid chamber. A pair of accelerometers sense relative acceleration across
the mount between the engine and the frame and generate a relative
acceleration signal. A control unit is electrically connected to the
accelerometers. The control unit is adapted to generate an electronic
control signal in response to the relative acceleration signal. The
control device is responsive to the electric control signal for
controlling the damping force of the hydraulic mount. A control algorithm
calibrates the control unit such that maximum vibration damping occurs at
and around the engine resonance bounce frequency.
