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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2022-03-13
Novel Subarray Partition Algorithm for Solving the Problem of Too Low Beam Collection Efficiency Caused by Dividing a Few Subarrays
By
Jianxiong Li,

    Professor Jianxiong Li

    School of Electronics and Information Engineering

    Tiangong University

    China

    Homepage

Ziyu Han,

    Dr. Ziyu Han

    School of Electronic and Information Engineering

    Tiangong University

    China

    Homepage

Cuijuan Guo

    Dr. Cuijuan Guo

    School of Electrical and Electronics Engineering

    Tiangong University

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 108, 223-235, 2022
doi:10.2528/PIERM22011701 | Google Scholar

Abstract
Beam Collection Efficiency (BCE), sidelobe level outside the receiving area (CSL), and cost are need to be considered in optimizing the transmitting array of a Microwave Wireless Power Transmission (MWPT) system. To solve the problem of too low BCE caused by dividing a small number of subarrays, this paper proposes a novel one-step subarray partition algorithm named Multi-Particle Multi-Parameter Dynamic Weight Particle Swarm Optimization Subarray Partition (MPMP-DWPSO-SP). The algorithm optimizes the position and structure of each element at the same time, and the number of the subarrays is no more than 4. It is verified by simulation that the BCE obtained by using this algorithm to optimize the Sparse Quadrant Symmetrical Rectangular Array (SQSRA) with an aperture of 4.5λ×4.5λ and the array element number of 8×8 can reach more than 90%. In addition, a new intelligent optimization model is designed for dividing the 8×8 array into 2 subarrays, and BCE and CSL can reach 91.69% and -17.61 dB.
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Citation
Jianxiong Li, Ziyu Han, and Cuijuan Guo, "Novel Subarray Partition Algorithm for Solving the Problem of Too Low Beam Collection Efficiency Caused by Dividing a Few Subarrays," Progress In Electromagnetics Research M, Vol. 108, 223-235, 2022.
doi:10.2528/PIERM22011701
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