NDLI: Inverse hysteresis control for shape memory alloy micro-actuators based flap positioning system

Content Provider	IEEE Xplore Digital Library
Author	Ying Feng Rabbath, C.A. Hong, H. Chun-Yi Su Wei Lin
Copyright Year	2010
Description	Author affiliation: Defence Research and Development Canada Valcartier, Quebec City, Canada (Rabbath, C.A.) \|\| Dept. of Electrical Engineering and Computer Science, Case Western Reserve University, Cleveland, Ohio 44106, USA (Wei Lin) \|\| College of Automation Science and Engineering, South China University of Technology, Guangzhou, China (Ying Feng) \|\| Dept. of Mechanical and Industrial Engineering, Concordia University, Montreal, Quebec, Canada (Hong, H.; Chun-Yi Su)
Abstract	As a strong non-smooth nonlinearity, hysteresis has multivalued and nondifferential characteristics, which make it difficult to mitigate the effects caused by the hysteresis directly. For a shape memory alloy(SMA) micro-actuators based flap positioning system, the existence of hysteresis nonlinearities in the shape memory alloy actuators will degrade the system performance, and limit the positioning precision. Addressing on this task, the motion of the SMA flap positioning system and the characteristics of the hysteresis in the SMA actuators is analyzed. A generalized Prandtl-Ishlinskii model is adopted to estimate the hysteresis in the SMA actuators, and the corresponding hysteresis inverse is utilized as compensation. Considering the compensation error, lag effect and unmodeled measure error, the proposed robust adaptive control approach can stabilize the closed-loop system and ensure the accurate rotation of the flap to the desired angle. The effectiveness of the proposed control approach is demonstrated through simulation examples.
Starting Page	3662
Ending Page	3667
File Size	247941
Page Count	6
File Format	PDF
ISBN	9781424477456
ISSN	07431546
e-ISBN	9781424477463
DOI	10.1109/CDC.2010.5718042
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators Hysteresis Wires Computational modeling Temperature Adaptation model Pulleys
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Modeling and Simulation

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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