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Modeling of IPMC cantilever’s displacements and blocking forces

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    0449046 - FZÚ 2016 RIV CN eng J - Journal Article
    Vokoun, David - He, Q. - Heller, Luděk - Yu, M. - Dai, Z.
    Modeling of IPMC cantilever’s displacements and blocking forces.
    Journal of Bionic Engineering. Roč. 12, č. 1 (2015), s. 142-151. ISSN 1672-6529. E-ISSN 2543-2141
    R&D Projects: GA ČR GB14-36566G
    Institutional support: RVO:68378271
    Keywords : ionic polymer metal composite * actuator * blocking force * finite element method
    Subject RIV: BM - Solid Matter Physics ; Magnetism
    Impact factor: 1.466, year: 2015

    The motion of an Ionic Polymer Metal Composite (IPMC) cantilever under a periodic voltage control is modeled. In our finite element 3D model, we follow both the free tip displacements and the blocking forces for various thicknesses and elastic constants of the ionomer membrane. It turns out that the maximum displacement of the free tip strongly depends on the value of the Young’s modulus of the electrodes. Furthermore, the maximum blocking force, Fmax, increases with the thickness of the ionomer membrane. At constant values of Young’s moduli of the electrodes and ionomer membrane thickness, if the Young’s modulus of the ionomer membrane varies within the range from 0.2 MPa to 1 GPa, the change of Fmax is less than 10 %. The simulated maximal displacements, blocking forces and electrical currents are compared with the corresponding sets of ex-perimental data, respectively.
    Permanent Link: http://hdl.handle.net/11104/0250637

     
     
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