Positioning control of single-link flexible arm using frequency-shaped sliding mode control theory

Yasuhiro Kitamura, Kazunori Iwabuchi, Kenzo Nonami, Hidekazu Nishimura, Nobuyuki Kobayashi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper is concerned with the positioning control of a single-link flexible arm using frequency-shaped sliding mode control theory. In the control object, a harmonic drive system for a reduction gear has a large friction torque, and thus we applied the sliding mode control theory to this positioning control problem in order to compensate for the nonlinear friction torque. We designed the control system using the output feedback method. The high-gain sliding mode controller, however, often causes instability of the control system due to spillover phenomena in the high-frequency region. Therefore, we also design a switching hyperplane using H control theory which can suppress such spillover phenomena markedly. We found that the frequency-shaped sliding mode control system exhibits good performance. However, the system performance is influenced by uncertainties which do not satisfy matching conditions.

Original languageEnglish
Pages (from-to)431-437
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume63
Issue number606
Publication statusPublished - 1997 Feb
Externally publishedYes

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Sliding mode control
Control theory
Control systems
Torque
Friction
Gears
Feedback
Controllers

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Positioning control of single-link flexible arm using frequency-shaped sliding mode control theory. / Kitamura, Yasuhiro; Iwabuchi, Kazunori; Nonami, Kenzo; Nishimura, Hidekazu; Kobayashi, Nobuyuki.

In: Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 63, No. 606, 02.1997, p. 431-437.

Research output: Contribution to journalArticle

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