×

Active suspending

  • US 7,983,813 B2
  • Filed: 10/29/2004
  • Issued: 07/19/2011
  • Est. Priority Date: 10/29/2004
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus comprising:

  • a vehicle having a plant, the plant having a plant position;

    an active suspension including an electromagnetic actuator coupled to the plant; and

    a force bias eliminator having the dynamic characteristic of a variable stiffness spring coupled to the plant;

    a source of at least one motion signal indicative of motion of the plant;

    wherein the active suspension further comprises a control module responsive to the at least one motion signal to provide a bias control signal to the force bias eliminator to cause the force bias eliminator to output a bias force for causing the actuator to experience a zero mean load;

    the active suspension being configured to have a plurality of operation modes, including an active mode and a passive mode.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×