Actuator for active vibration control

Details Actuator for active vibration control Actuator for active vibration control

H - Electricity

02

K

H02K 35/02 (2006.01) F16F 7/10 (2006.01) H02K 33/06 (2006.01) H02K 33/16 (2006.01) H02K 33/18 (2006.01)

Patent

CA 2105308

2105308 9313586 PCTABS00024 An electromagnetic actuator is disclosed which is especially suitable for active vibration control applications. The actuator may be either of the moving coil (C2) or moving magnet (M1, M3) type so that a moving element (M1, M3, C2) undergoes reciprocal motion in response to an electrical input signal. The invention allows the force of the moving element to be linearly related to the amplitude and direction of the input current with a high degree of efficiency. In one embodiment, the moving element is decoupled from any mechanical load so as to produce reaction forces which may be used to cancel vibrational forces.

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