논문 해외 국제전문학술지(SCI급) Self-sustainable wind speed sensor system with omni-directional wind based triboelectric generator
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2018-10
- 저자명 Sang-Jae Park†, SangHan Lee†, Myeong-Lok Seol, Seung-Bae Jeon, Hagyoul Bae, Daewon Kim, Gyu-Hyeong Cho, and Yang-Kyu Choi
- 학술지명 Nano Energy
- 발행처명 ELSEVIER SCI LTD
- 발행국가 해외
- 논문언어 외국어
홈페이지논문 초록 (Abstract)
A stable power supply is critical for wireless sensor systems. While various energy harvesting devices have been studied, there has been limited discussion of circuit design for a self-powered sensor system. This study introduces a self-sustainable wind speed sensor system (SSWSSS) with an omni-directional wind-based triboelectric generator (OW-TEG) along with a 2-dimensional co-planar surface. The OW-TEG simultaneously provides both signal sensing and energy harvesting without interference. The SSWSSS consists of an OW-TEG and a control circuit that senses wind speed and manages the harvested energy storage. Wind speed is extracted from the frequency of the electrical signals from the OW-TEG, which operates by wind actuation of a flat triboelectric film which flutters between two electrodes. The frequency is characterized by counting the number of induced voltage peaks above a reference voltage. Meanwhile, omni-directional energy harvesting is accomplished by using control circuit functions to count frequency, convert power, and store energy. Realization of this self-sustainable sensor system represents a forward step towards achieving a self-powered sensor platform.