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SCIENTIA SINICA Informationis, Volume 50 , Issue 5 : 734-742(2020) https://doi.org/10.1360/SSI-2019-0160

Multiple model hybrid adaptive vibration control for flexible cantilever beam with varying load

More info
  • ReceivedJul 26, 2019
  • AcceptedNov 19, 2019
  • PublishedApr 21, 2020

Abstract

To solve the vibration suppression problem for a piezoelectric flexible cantilever beam with varying load, this study proposes a new type of multiple model hybrid adaptive vibration control method with a new multiple model switching cost index function. It employs a pre-filter consisting of secondary path and positive feedback path model to eliminate the positive feedback between the secondary actuator and reference sensor. By constructing a piezoelectric flexible cantilever beam as the controlled plant, we constructed a real-time control verification experiment platform based on a real-time MATLAB xPC target. We did a real-time control experiment comparison for vibration suppression of single-frequency, narrowband, and broadband disturbances. Experimental results show that the proposed multiple model hybrid adaptive vibration control algorithm is feasible and has good vibration suppression performance with rapid convergence speed.


Funded by

国家自然科学基金(51575328,61503232)


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