1(b), (d), and (e) show the additional device (secondary impacter) installed toĪpply a larger stress to the free end. Piezoelectric devices (PZTs) were installed at the fixed end, middle,Īnd free end of the substructures. The six types of PIMWGs, as shown in Fig. To find the uniformed PIMWGs, we compared The durability of PIMWGs, the stress distribution must be uniform. Thus, when a PIMWG generates electrical energy, the fixed end of the generator can easily be damaged. The maximum stress of a cantilever beam occurs at the fixed end, and the stress is reduced closer to the free end. This is an open access article under the CC BY-NC-ND license The purpose of the current study is to increase the durability of piezoelectric impactbased micro wind generators (PIMWGs) in real application. Therefore, implementing this generator type When pressure is applied to the impact-typ e piezoelectric generator. However, the former can easily be damaged because of the brittleness of the piezoelectric device Impacttype piezoelectric generators provide good generation and have higher power generation capacity than vibration-type Generators for sensor network application that use piezoelectric transducer have been actively studied. Sensor networks and monitoring system are widely used in real applications. Keywords: piezoelectric micro generator durability real application wind power Peer-review under responsibility of the scientific committee of Eurosensors 2014 Under responsibility of the scientific committee of Eurosensors 2014. In this study, we improved the durability of PIMWGs for real application. The experimental results show that the optimized PIMWG generated 2.4 mW (RMS value), and Using new PIMWG design, numerical simulation, and experimental comparison analysis, we improved the durability The purpose of this study is to increase the durability of piezoelectric impact-based micro wind generator (PIMWG) in realĪpplication. Hyun Jun Junga, Yooseob Songb, Seong Kwang Honga, Chan Ho Yanga, Sung Jooĭepartment of Electrical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 136-791, Koreaĭepartment of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 136-791, Korea Increasing the durability of piezoelectric impact-based micro wind Procedia Engineering 87 (2014) 1210 – 1213ĮUROSENSORS 2014, the XXVIII edition of the conference series
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