| 摘要 |
<p>A vibration reducer of elevator comprising acceleration sensors (61, 62) for detecting vibration of a cage, controllers (90a, 90b) for calculating a force applied to the cage based on signals from the acceleration sensors, and actuators (81-84) for applying the force to the cage according to the result of the calculation by the controllers, wherein a dead band filter (102) having a specified dead band region corresponding to the noise level of the acceleration sensors and an integrator (92) for integrating the signals from the acceleration sensors having passed through the dead band filter are provided to the acceleration sensors (61, 62) or the controllers (90a, 90b) or between them.</p> |
