Abstract
AbstractThe surface cleanliness of photovoltaic (PV) panel has an important impact on the efficiency of power generation. The excessive mass of cross arm has always affected the use of cleaning device. Based on the power correlation analysis, the dynamic characteristics of cross arm lightweight of PV panel cleaning device in the power station are proposed. Using the theory of information fusion to weigh it as a comprehensive influence factor, the power prediction value of the model output is transmitted to the cleaning device in real time: design the cleaning device of PV panel and optimize the topology of the mechanical cross arm. The experimental results show that the PV power is related to many meteorological factors, and the lightweight design of the cross arm is more conducive to the natural frequency and mode shape analysis of each mode of the cross arm structure.
Highlights
The power generation efficiency of the solar PV system is seriously reduced due to the surface ash problem [1]
Due to the size and structure of the mechanical arm, the performance of cleaning device is greatly affected [5]; how to realize lightweight design and ensure its sufficient mechanical properties through structural optimization is of great significance to mechanical structure design
In the process of optimization of cross arm of PV panel cleaning device in the power station, it is necessary to analyze the correlation of PV power based on the theory of information fusion, predict the model power through back propagation (BP) neural network, design the cleaning scheme of PV panel cleaning device, reduce
Summary
The power generation efficiency of the solar PV system is seriously reduced due to the surface ash problem [1]. The ash deposition effect of PV panel is one of the biggest problems encountered in the large-scale application of PV power generation [2]. It is of great practical significance to realize the efficient operation of cleaning devices [3]. A large-scale cleaning device is generally composed of mobile device, mechanical arm device and end executive part (usually disc brush or roller brush), etc. Due to the size and structure of the mechanical arm, the performance of cleaning device is greatly affected [5]; how to realize lightweight design and ensure its sufficient mechanical properties through structural optimization is of great significance to mechanical structure design. With the development of computer and the improvement of analysis efficiency, the feedback mechanism of topology optimization is introduced to directly apply the analyzed information to guide design and improve design efficiency
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