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Helicopter vibration control system and circular force generation systems for canceling vibrations

  • US 10,392,102 B2
  • Filed: 08/30/2017
  • Issued: 08/27/2019
  • Est. Priority Date: 08/30/2004
  • Status: Active Grant
First Claim
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1. A vibration control system for controlling a vibration on a structure responsive to a vibration disturbance at a given frequency, said vibration control system including a circular force generator for creating a controllable rotating force with a controllable magnitude and controllable magnitude phase, said vibration control system including a vibration sensor for generating a vibration signal indicative of said vibration of said structure, said vibration control system including a controller that receives said vibration signal from said vibration sensor and commands said circular force generator to create said rotating force wherein such vibration of said structure sensed by said sensor is reduced.

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