NDLI: Mechanical model and analysis of ionic polymer metal composites biomimetic actuators

Content Provider	IEEE Xplore Digital Library
Author	Xuan-Lun Wang Il-Kwon Oh Tai-Hong Cheng
Copyright Year	2008
Description	Author affiliation: Sch. of Mech. Syst. Eng., Chonnam Nat. Univ., Gwangju (Xuan-Lun Wang; Il-Kwon Oh; Tai-Hong Cheng)
Abstract	Employing composite beam theory, mechanical model for IPMC (ionic polymer-metal composite) actuator is described in this paper. Materialpsilas stiffness is the main governing parameter for bending behavior. Firstly, tensile elastic modulus and bending elastic modulus of composite beam are deduced analytically. FEA is a useful method for predicting the force-displacement relationship of an IPMC actuator, which is key data to effectively design many engineering devices of interest. For a cantilever IPMC actuator, tip displacement was simulated by finite element analysis (FEA) according to the loading data of measured force under an input voltage. With the linear static analysis, employing the solid model and force couples loading, the actuation displacements of a cantilever IPMC actuator were simulated to show an excellent agreement between the simulated tip displacements and experimental results. The modulus of IPMC actuators was also estimated from the simulation of tip displacement. The estimation is much more accurate than analytical solutions. Indicated by the results from the FEA agreeing with the measured data from experiments, the analysis method can be adopted for modeling of IPMC actuators with advanced shapes and other boundary conditions.
Starting Page	4751
Ending Page	4756
File Size	192142
Page Count	6
File Format	PDF
ISBN	9781424421138
DOI	10.1109/WCICA.2008.4593692
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators Force Analytical models Load modeling Materials Mathematical model Polymers parameter estimation IPMC actuator model simulation
Content Type	Text
Resource Type	Article

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