NDLI: Active vibration control under the actuator with magnetic hysteresis loop

Content Provider	IEEE Xplore Digital Library
Author	Chao Li Jianqin Mao
Copyright Year	2005
Description	Author affiliation: Beijing Univ. of Aeronaut. & Astronaut., China (Chao Li; Jianqin Mao)
Abstract	Multiple degree-of-freedom (DOF) vibration isolation is essential for precision control of space-borne structures and weapon systems. Experimental results are described in which six magnetostrictive TbDyFe actuators were used in the capacity of a cubic configuration Stewart platform and a high performance computation control system and an adaptive real-time control algorithm was used. A new design and analysis of actuators employing magnetostrictive material TbDyFe is presented. The nonlinear constitutive relation for magnetostrictive materials actuators is presented that includes nonlinear coupling effects changing with frequency and magnetic field applied on TbDyFe rod. Since the magnetostrictive actuator is a nonlinear plant with magnetic hysteresis loop, its multiple frequency active vibration control is more complicated. In this paper, a simple hyperstable adaptive recursive filter (SHARF) algorithm based on nonlinear model is proposed. The nonlinear model of magnetostrictive actuator is obtained by using radial basis neural network. The experimental result show that the proposed approach is real-time efficient. An attenuation of about 30 dB is achieved. The algorithm is also suitable as a reference to the stabilizing control of a class of nonlinear system with magnetic hysteresis loop.
Starting Page	914
Ending Page	918
File Size	2384756
Page Count	5
File Format	PDF
ISBN	0780391373
DOI	10.1109/ICCA.2005.1528252
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-26
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibration control Actuators Magnetic hysteresis Magnetostriction Control systems Magnetic materials Magnetic separation Weapons High performance computing Adaptive systems
Content Type	Text
Resource Type	Article

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