Active control of shock (applications of LQI control and H control)

Dezhang Wang, Hidekazu Nishimura, Taro Shimogo

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this paper we try to realize the active control of shock by an experimental procedure, in which the collision between two objects is controlled so as to make the deformation of one object large and the other small. Two control systems are applied to this experiment. One of them is an LQI control system with Kalman filter and the other is an H. control system. In both systems, we proposed a controller switching at a time when the object deforms from the elastic range to the plastic range. In order to evaluate effectiveness of control, the deformation ratio between the objects is introduced. In our experiment the discretized control system is implemented in a digital signal processor used to realize real-time control. As a result of experiment it was verified that the active control of shock is realizable and the controller we designed is useful for shock control.

Original languageEnglish
Pages (from-to)1223-1230
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume71
Issue number4
Publication statusPublished - 2005 Apr
Externally publishedYes

Fingerprint

Control systems
Controllers
Experiments
Digital signal processors
Real time control
Kalman filters
Plastics

Keywords

  • Active Control
  • Control Device
  • Observer
  • Robust Control
  • Shock

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AB - In this paper we try to realize the active control of shock by an experimental procedure, in which the collision between two objects is controlled so as to make the deformation of one object large and the other small. Two control systems are applied to this experiment. One of them is an LQI control system with Kalman filter and the other is an H∞. control system. In both systems, we proposed a controller switching at a time when the object deforms from the elastic range to the plastic range. In order to evaluate effectiveness of control, the deformation ratio between the objects is introduced. In our experiment the discretized control system is implemented in a digital signal processor used to realize real-time control. As a result of experiment it was verified that the active control of shock is realizable and the controller we designed is useful for shock control.

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