A Novel Magnetic Circuit Design Method for a Permanent Magnetic Chuck of a Wall-Climbing Robot

Yulong Zhang (), Enguang Guan, Peixing Li and Yanzheng Zhao
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Yulong Zhang: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Enguang Guan: School of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China
Peixing Li: School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
Yanzheng Zhao: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Energies, 2022, vol. 15, issue 18, 1-17

Abstract: Permanent magnet wall-climbing robots are widely used in the maintenance of tanks in the petrochemical industry and the overhaul of large-pressure pipelines in the hydropower industry. One of the difficulties is to achieve the safe and reliable adsorption of wall-climbing robots. Based on the Halbach array, a double-layer superposition magnetic circuit magnetization method is designed in this paper. Under the same constraints, the adsorption force of the permanent magnetic chuck is increased by at least 8 % compared with the traditional magnetic circuit design method. Under the working air gap of 1∼9 mm, the average magnetic energy utilization rate is increased by at least 16.46 % . This approach not only improves the magnetic energy utilization of the permanent magnetic chuck but also improves the adsorption safety of the wall-climbing robot.

Keywords: adsorption reliability; permanent magnetic chuck; wall-climbing robot; double-layer superimposed Halbach array; magnetic circuit design (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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