Patent ID: 7005816
Filing Date: 2006-02-28
Classification: B60G,F16F

Abstract:
1. An electromagnetic suspension system for a vehicle, comprising: an electromagnetic actuator interposed between a sprung mass and an unsprung mass and disposed substantially in parallel with an spring element; an electric motor for driving the electromagnetic actuator; and a motor controller configured to calculate a displacement input applied to the electromagnetic actuator and to control the electric motor in a manner that the electromagnetic actuator generates an optimum damping force corresponding to the displacement input; a motor control circuit for the electric motor, through which the electric motor is connected to the motor controller; and an electrical damping element electrically connected to the motor control circuit and in parallel with the electric motor to generate a damping force in a passive manner under a dynamic braking of the electric motor in response to the displacement input to the electromagnetic actuator from the unsprung mass.