Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Development and Application of Conducting Shape Memory Polyurethane Actuators

전도성 형상기억폴리우레탄 작동기의 개발 및 응용

  • Published : 2006.01.31
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Abstract

This paper presents the development and application of a conducting shape memory polyurethane (CSMPU) actuator. While conventional shape memory polyurethanes were activated by external heat source, conducting shape memory polyurethanes introduced in 2004 are activated by electric power. Conducting shape memory polyurethane actuators were manufactured by adding carbon nano tube to conventional shape memory polyurethane. The main problem of the CSMPU developed in 2004 was bad dispersion of carbon nano tubes. In this paper, we tried to find how to solve the dispersion problem, and with a lot of elaborative works, conducting shape memory polyurethane actuators which had better electrical characteristics were developed. Then the actuation performance of the conducting shape memory polyurethane actuators was also measured and assessed. Finally, the possibility of applications were examined through the installation to Micro Air Vehicle.

본 논문에서는 전도성 형상기억폴리우레탄 (CSMPU)의 개발과 응용 방법이 연구되었다. 일반적인 형상기억폴리우레탄이 외부 열원에 의해 작동되어 온 반면에, 2004년에 소개된 전도성 형상기억폴리우레탄은 전력에 의해 작동되었다. 전도성 형상기억폴리우레탄 작동기는 일반적인 형상기억폴리우레탄에 카본 나노 튜브를 첨가함으로써 제작되었다. 2004년 연구에서 제작된 전도성 형상기억폴리우레탄이 지닌 핵심 문제점은 카본 나노 튜브의 낮은 분산도였다. 이 논문에서는 분산 문제 해결을 시도하였으며, 일련의 정교한 작업을 통해 향상된 전기적 특성을 지닌 전도성 형상기억폴리우레탄 작동기를 개발하였다. 그리고 개발된 전도성 형상기억폴리우레탄 작동기의 작동 성능을 측정 및 평가하였으며, 초소형비행체 조종면의 제어 실험을 통하여 응용 가능성을 검토하였다.

Keywords

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