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Tuesday, July 9 • 12:10 - 12:30
AN ADAPTIVE FEED-FORWARD VIBRATION CONTROL ALGORITHM FOR MULTIPLE PERIODIC DISTURBANCES OF UNKNOWN FREQUENCIES

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A new adaptive feed-forward cancellation (AFC) control algorithm is proposed in this paper which achieves periodic disturbance cancellation. The control algorithm can be used to eliminate multiple periodic disturbances and is independent of where the disturbances enter the system by employing the concept of equivalent input disturbance (EID). The disturbance signal is tracked by using a modified steepest descent method and it is not necessary to know the exact frequencies of the disturbances. To accelerate the convergence, the metric conversion technique is also introduced in this study thus a uniform rate of convergence can be achieved. Some numerical simulations are also carried out in this paper so that the validity of the proposed control algorithm can be verified.

Moderators
avatar for Alain Berry

Alain Berry

Professor, Université de Sherbrooke
avatar for Philippe-Aubert Gauthier

Philippe-Aubert Gauthier

Professor, Groupe Acoustique Université de Sherbrooke, Université de Sherbrooke

Authors

Tuesday July 9, 2019 12:10 - 12:30 EDT
Westmount 6
  T02 Act. noise & vib. cntrl., RS01 Active cntrl of snd & vibr