Disturbance Cancellation Control for Vibration of Multi-Degree-of-Freedom Systems (Case of Using Active Vibration Absorber and Active Dynamic Vibration Absorber)

Kenzo Nonami, Hidekazu Nishimura, Weimin Cui

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This paper describes the control system design method concerning the feedforward control to cancel disturbance forces, including feedback control and their experimental considerations. There are two kinds of active vibration control devices. One is the type using a fixed point such as an active vibration absorber (AVA). The other is the type using an auxiliary mass such as an active dynamic vibration absorber (ADVA). The design methods for both the AVA and ADVA are shown here, and the control efficiency of ADVA is compared with that of AVA. Also, we have built two test rigs to simulate a large structure with AVA or ADVA. In order to carry out fast computation, including the estimation for disturbances, we have used the digital signal processor (DSP). The experimental results of AVA and ADVA are in good agreement with their simulation results. In conclusion, the disturbance forces are perfectly cancelled, and output zeroing is actually realized when the disturbance frequency is exactly equivalent to the design frequency of the observer. We have confirmed that the proposed disturbance cancellation control is very useful for active vibration control.

Original languageEnglish
Pages (from-to)68-74
Number of pages7
JournalTransactions of the Japan Society of Mechanical Engineers Series C
Volume58
Issue number545
DOIs
Publication statusPublished - 1992
Externally publishedYes

Fingerprint

Vibration control
Feedforward control
Force control
Digital signal processors
Feedback control
Systems analysis
Control systems

Keywords

  • Active Dynamic Vibration Absorber
  • Active Vibration Control
  • Disturbance Cancellation Control
  • Disturbance Observer
  • DSP
  • Experiment
  • Multi-Degree-of-Freedom

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

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abstract = "This paper describes the control system design method concerning the feedforward control to cancel disturbance forces, including feedback control and their experimental considerations. There are two kinds of active vibration control devices. One is the type using a fixed point such as an active vibration absorber (AVA). The other is the type using an auxiliary mass such as an active dynamic vibration absorber (ADVA). The design methods for both the AVA and ADVA are shown here, and the control efficiency of ADVA is compared with that of AVA. Also, we have built two test rigs to simulate a large structure with AVA or ADVA. In order to carry out fast computation, including the estimation for disturbances, we have used the digital signal processor (DSP). The experimental results of AVA and ADVA are in good agreement with their simulation results. In conclusion, the disturbance forces are perfectly cancelled, and output zeroing is actually realized when the disturbance frequency is exactly equivalent to the design frequency of the observer. We have confirmed that the proposed disturbance cancellation control is very useful for active vibration control.",
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AU - Cui, Weimin

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AB - This paper describes the control system design method concerning the feedforward control to cancel disturbance forces, including feedback control and their experimental considerations. There are two kinds of active vibration control devices. One is the type using a fixed point such as an active vibration absorber (AVA). The other is the type using an auxiliary mass such as an active dynamic vibration absorber (ADVA). The design methods for both the AVA and ADVA are shown here, and the control efficiency of ADVA is compared with that of AVA. Also, we have built two test rigs to simulate a large structure with AVA or ADVA. In order to carry out fast computation, including the estimation for disturbances, we have used the digital signal processor (DSP). The experimental results of AVA and ADVA are in good agreement with their simulation results. In conclusion, the disturbance forces are perfectly cancelled, and output zeroing is actually realized when the disturbance frequency is exactly equivalent to the design frequency of the observer. We have confirmed that the proposed disturbance cancellation control is very useful for active vibration control.

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