System Modeling and Simulation of Oscillating Flapping-wing Wave Power Generation Device

doi:10.3901/JME.2022.20.137

Abstract

Abstract: In order to realize wave energy acquisition and efficient conversion, which converts random wave energy into stable electric energy through acquisition mechanism, hydraulic conversion system and electric energy conversion and storage system. Based on the coupled force analysis of flapping wings and waves, the scheme of wave energy collection mechanism is designed. In order to efficiently convert energy and ensure the stability of the hydraulic system, a hydraulic conversion system with multi-chamber hydraulic cylinders is created. According to the rated electric energy demand of the energy storage unit, an electric energy conversion and energy storage system was created. Based on the multi energy domain bond graph theory and AMESim simulation software, an overall virtual prototype simulation model including mechanical, hydraulic and electrical was established. The experimental platform of oscillating flapping wing wave energy power generation device was built, and the regular waves were tested to verify the validity of the system. The research results showed that the power generation efficiency of the oscillating flapping-wing wave energy power generation device can reach 61.5% and 66.2% under the third-level sea state and the fourth-level sea state, respectively, which can effectively collect wave energy, realized the stable output of electric energy and store it in the battery. The experimental results proved the rationality of the working principle and parameter design of the oscillating flapping-wing wave power generation device. The research results provided a theoretical basis and reference for the design and development of wave power generation devices.

Key words: wave energy, power plant, acquisition mechanism, system modeling, conversion characteristics, oscillating flapping wing

CLC Number:

P743
U260

FANG Zifan, ZHU Chang, WANG Jiajia, XIONG Fei, ZUO Xinqiu, XIE Xueyuan. System Modeling and Simulation of Oscillating Flapping-wing Wave Power Generation Device[J]. Journal of Mechanical Engineering, 2022, 58(20): 137-149.

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