Ionic polymer metal composite is a class of electro-active polymers that are becoming more significant as smart actuators due to their large bending deflection, mechanical flexibility, low excitation voltage, low density, and ease of fabrication process. These properties make IPMCs suitable for a variety of application fields such as robotics, aerospace, biomedicine etc. There are a lot of linear and nonlinear models which describe actuation properties of IPMC. These models’ parameters may be obtained by various identification methods in which only a very few are nonlinear. Besides, there has been no model that explains all the physical phenomena associated with this actuator. In this paper, a new identification method is presented which incorporates a nonlinear with linear least squares method. This method is implemented on a nonlinear model. This model in comprised of two steps; as a first step, nonlinear relationship between the absorbed current and the voltage applied and as a second step relationship between the absorbed current and the blocked force are determined. The first and second steps are identified using a nonlinear and linear least squares methods, respectively.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4919-4
PROCEEDINGS PAPER
Identification of an IPMC Actuator Model Using Incorporating a Nonlinear With Linear Least Squares Method
Meisam Vahabi,
Meisam Vahabi
Amirkabir University of Technology, Tehran, Iran
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Emad Mehdizadeh,
Emad Mehdizadeh
Amirkabir University of Technology, Tehran, Iran
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Mansour Kabganian,
Mansour Kabganian
Amirkabir University of Technology, Tehran, Iran
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Farshad Barazandeh
Farshad Barazandeh
Amirkabir University of Technology, Tehran, Iran
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Meisam Vahabi
Amirkabir University of Technology, Tehran, Iran
Emad Mehdizadeh
Amirkabir University of Technology, Tehran, Iran
Mansour Kabganian
Amirkabir University of Technology, Tehran, Iran
Farshad Barazandeh
Amirkabir University of Technology, Tehran, Iran
Paper No:
ESDA2010-24585, pp. 171-176; 6 pages
Published Online:
December 28, 2010
Citation
Vahabi, M, Mehdizadeh, E, Kabganian, M, & Barazandeh, F. "Identification of an IPMC Actuator Model Using Incorporating a Nonlinear With Linear Least Squares Method." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 5. Istanbul, Turkey. July 12–14, 2010. pp. 171-176. ASME. https://doi.org/10.1115/ESDA2010-24585
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