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13 March 2019 Finite difference method and finite element method for modeling IPMC sensor voltage
Kota Kondo, Kentaro Takagi, Zicai Zhu, Kinji Asaka
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Proceedings Volume 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI; 109661H (2019) https://doi.org/10.1117/12.2514243
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States
Abstract
An Ionic Polymer-Metal Composite (IPMC) has characteristics as a sensor as well as an actuator. Zhu has recently proposed a multi-physical model representing sensor voltage of a deformed IPMC. This paper discusses approximation methods aiming at fast simulation or control system design. First, we linearize the nonlinear partial differential equations (PDEs) of Zhu’s model. Next, this paper considers two types of spatial discretization methods, Finite Difference Method and Finite Element Method. We have found that it is not necessary to use a large number of sample points or finite elements for simulating the sensor voltage.
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Kota Kondo, Kentaro Takagi, Zicai Zhu, and Kinji Asaka "Finite difference method and finite element method for modeling IPMC sensor voltage", Proc. SPIE 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI, 109661H (13 March 2019); https://doi.org/10.1117/12.2514243
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KEYWORDS
Finite element methods
Sensors
Finite difference methods
Composites
Control systems design
Polymeric sensors
Polymers
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