NDLI: Characterization of the Dynamic Properties of Pneumatic Muscle Actuators

Content Provider	IEEE Xplore Digital Library
Author	Balasubramanian, S. Ward, J. Sugar, T. Jiping He
Copyright Year	2007
Description	Author affiliation: Arizona State Univ., Tempe (Balasubramanian, S.)
Abstract	The potential effectiveness and adoption of robotic assisted therapy for neural rehabilitation has attracted increased attention to the development of rehabilitation robots. Our research group had developed a lightweight exoskeletal rehabilitation robot actuated by pneumatic muscle actuators. To design a robust control system with intelligent adaptation to individual patient's condition is a challenge with pneumatic muscle actuators (PMA). The dynamics of a PMA is affected by dimension (length and diameter), pressure and load. Thus, it is crucial to choose the appropriate PMA with the desired dynamic response for each of the joints to be actuated. In this study, 2nd order phenomenological models have been developed to describe the dynamic behavior of nine pneumatic muscle actuators (3 different lengths and 3 different diameters). The important differences between these pneumatic muscle actuators are compared based on the model parameters. Some of the model parameters like relative muscle contraction, rise natural frequency are affected more by the PMA dimensions, while some of the other parameters are relatively unaffected by the dimensions of the PMA. In addition, analytical expressions were determined for the individual model parameters as functions of the input pressure and external load.
Starting Page	764
Ending Page	770
File Size	7214352
Page Count	7
File Format	PDF
ISBN	9781424413195
DOI	10.1109/ICORR.2007.4428511
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-13
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pneumatic actuators Robust control Intelligent actuators Medical treatment Muscles Rehabilitation robotics Frequency Intelligent systems Intelligent robots Intelligent control
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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