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http://dx.doi.org/10.5139/JKSAS.2002.30.5.094

Development of Lightweight Piezo-composite Curved Actuator  

Park, Ki-Hoon (건국대학교 항공우주공학과 대학원)
Yoon, Kwang-Joon (건국대학교 기계항공우주공학부)
Park, Hoon-Cheol (건국대학교 기계항공우주공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.30, no.5, 2002 , pp. 94-100 More about this Journal
Abstract
This paper is concerned with the development, and performance test of LIPCA (Lightweight Piezo-composite Curved Actuator) that is lighter than other conventional piezo-composite type actuators. LIPCA is composed of top fiber composite layers with a high modulus and low CTE (Coefficient of Thermal Expansion), a middle PZT cermaic wafer, and base layers with a high modulus and high CTE. The performance of each actuator was evaluated using an actuator test system consisting of an actuator supporting jig, a high voltage actuating power supplier, and a non-contact laser measuring system. The simply supported condition actuator was excited by the power supplier with 1.0Hz cycle and up to $100\sim400V_{pp}$. The displacement at the center point of actuator was measured with non-contact laser displacement measuring system, It has been shown that the LIPCA-C2 can 34% decrease in mass and 13% increase in displacement compared to THUNDER.
Keywords
lightweight piezo-composite curved actuator; thermal deformation; actuation displacement; residual stress;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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