Abstract
In order to design an ocean wave energy generator robot, a novel wave energy converter with parallel mechanism is designed and analyzed. A creative thinking that parallel mechanism can be applied to the wave energy converter is presented and verified during the wave energy using process. The design principles of the wave energy converter are given according to wave motion characteristics. Based on the principles, a novel wave energy converter with 4UPS/UP parallel mechanism is designed, which includes the design of the parallel mechanism, hydraulic cylinders, oil circuit, and converter integration. Then the kinematics model and statics model of the wave energy converter with 4UPS/UP parallel mechanism are derived by MATLAB and ADAMS; with these two methods, we found that the errors of rod length, velocity, and acceleration were 1.13 mm, 0.04 mm/s, and 0.38 mm/s2, respectively. Maximum stress error and maximum constraint moment errors were 1.52 N and 0.57 N·mm. So the correctness of the models is verified. This article can not only provide a reference for other types of parallel mechanisms applied to the wave energy converter, but also provide a theoretical foundation for the experimental prototype and practical application of the wave energy converter.
Highlights
With the development of the industry and economy, human demand for energy is increasing day by day, the development and utilization of new energy becomes an urgent problem at present.[1]
This article presented and verified a creative thinking that parallel mechanism can be applied to the wave energy converter
Design principles are given as a reference for other types of parallel mechanism to be applied to the converter
Summary
With the development of the industry and economy, human demand for energy is increasing day by day, the development and utilization of new energy becomes an urgent problem at present.[1]. The kinematic characteristics of other components of the mechanism are derived by using the principle of superposition The contribution of this manuscript is the novel wave energy converter with 4UPS/UP parallel mechanism is designed and analyzed, and the creative thinking that parallel mechanism can be applied to the wave energy converter is presented and verified. The principles during the design process of the wave energy converter are given according to wave motion characteristics and a novel wave energy converter with 4UPS/UP parallel mechanism is proposed.[18] The kinematics and statics of the parallel mechanism are analyzed and calculation examples are given to verify the correctness of the kinematic and static analysis. This section mainly introduces the design principle and the design process of the novel wave energy converter with the parallel mechanisms. This section can provide a reference for other types of parallel mechanism applied to the wave energy converter
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