Compact biomimetic structure systems with LIPCA and battery-supported power control unit

Ki Hoon Park; Kyun Youl Kim; Je Dong Lee; T. S. Kang; Hoon Cheol Park; Kwang Joon Yoon

doi:10.1117/12.483397

5 August 2003 Compact biomimetic structure systems with LIPCA and battery-supported power control unit

Ki Hoon Park, Kyun Youl Kim, Je Dong Lee, T. S. Kang, Hoon Cheol Park, Kwang Joon Yoon

Proceedings Volume 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems; (2003) https://doi.org/10.1117/12.483397
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

This paper describes the development of biomimetic structure systems with LIPCA (LIghtweight Piezo-Composite Actuator) and battery supported power control unit. To apply LIPCA as a biomimetic actuator for the control surface of small unmanned air vehicle, a battery supported power control unit was developed, which is composed of a lithium polymer, one step-up converter, four power switching high voltage transistors, on Schmitt triggered comparator, and control logics. A simple RC circuit is used to sample the voltage applied to the LIPCA. H-switch was applied which is composed of the four high voltage transistors to control the voltage or charge and its polarity applied to the LIPCA. From experiments, it was observed that the developed biomimetic adaptronic systems could be constructed with relatively compact and light units and could produce enough displacement and force to be used as a control surface for the elevator and the rudder of a small unmanned vehicle.

Citation Download Citation

Ki Hoon Park, Kyun Youl Kim, Je Dong Lee, T. S. Kang, Hoon Cheol Park, and Kwang Joon Yoon "Compact biomimetic structure systems with LIPCA and battery-supported power control unit", Proc. SPIE 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems, (5 August 2003); https://doi.org/10.1117/12.483397

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