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Impact of design parameters on working stability of the electrothermal V-shaped actuator

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Abstract

This paper mentions a detail calculation of the equivalent dynamic parameters in differential equations of motion of the electrothermal V-shaped actuator. A heat transfer model for a thin beam (including the dependence of material properties on the temperature) is applied in order to solve more exactly temperature distribution and displacement of V-shaped beam system. Comparing the values of displacement in both calculation and simulation confirmed a higher accuracy of proposed equations. Moreover, a related formula between the minimum conversion stiffness and driving voltage amplitude is analyzed and examined to avoid the buckling phenomenon may occur in V-shaped beam system while working at a high voltage.

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Acknowledgements

This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number: “107.01-2019.05”.

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Authors and Affiliations

  1. School of Mechanical Engineering, Hanoi University of Science and Technology (HUST), 1-Daicoviet, Hanoi, Vietnam

    Kien Trung Hoang & Phuc Hong Pham

  2. Institute for Control Engineering and Automation, Hanoi University of Science and Technology (HUST), 1-Daicoviet, Hanoi, Vietnam

    Dzung Tien Nguyen

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  1. Kien Trung Hoang
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  2. Dzung Tien Nguyen
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  3. Phuc Hong Pham
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Correspondence to Phuc Hong Pham.

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Hoang, K.T., Nguyen, D.T. & Pham, P.H. Impact of design parameters on working stability of the electrothermal V-shaped actuator. Microsyst Technol 26, 1479–1487 (2020). https://doi.org/10.1007/s00542-019-04682-y

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  • DOI: https://doi.org/10.1007/s00542-019-04682-y

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