Design, Analysis and Test of a Hyperbolic Magnetic Field Voice Coil Actuator for Magnetic Levitation Fine Positioning Stage

Yiheng Zhou, Baoquan Kou, He Zhang, Lu Zhang and Likun Wang
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Yiheng Zhou: School of Electrical Engineering and Automation, Harbin Institute of Technology, 150001 Harbin, China
Baoquan Kou: School of Electrical Engineering and Automation, Harbin Institute of Technology, 150001 Harbin, China
He Zhang: School of Electrical Engineering and Automation, Harbin Institute of Technology, 150001 Harbin, China
Lu Zhang: School of Electrical Engineering and Automation, Harbin Institute of Technology, 150001 Harbin, China
Likun Wang: College of Electrical and Electronic Engineering, Harbin University of Science and Technology, 150001 Harbin, China

Energies, 2019, vol. 12, issue 10, 1-13

Abstract: The multi-degree-of-freedom high-precision positioning system (MHPS) is one of the key technologies in many advanced industrial applications. In this paper, a novel hyperbolic magnetic field voice coil actuator using a rhombus magnet array (HMF-VCA) for MHPS is proposed. Benefiting from the especially designed rhombus magnet array, the proposed HMF-VCA has the advantage of excellent force uniformity, which makes it suitable for multi-degree-of-freedom high-precision positioning applications. First, the basic structure and operation principles of the HMF-VCA are presented. Second, the six-degree-of-freedom force and torque characteristic of the HMF-VCA is studied by three-dimensional finite element analysis (3-D FEA). Third, the influence of structural parameters on force density and force uniformity is investigated, which is conducive to the design and optimization of the HMF-VCA. Finally, a prototype is constructed, and the comparison between the HMF-VCA and conventional VCAs proves the advantage of the proposed topology.

Keywords: voice coil actuator; multi-degree-of-freedom; magnetic levitation; design and analysis (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: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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