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Open AccessArticle

Design of a New Bilayer Multipole Electromagnetic Brake System for a Haptic Interface

by 1 and 2,*
1
Department of Mechatronics Engineering, Hanyang University, Ansan 15588, Korea
2
Department of Electronic Systems Engineering, Hanyang University, Ansan 15588, Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(24), 5394; https://doi.org/10.3390/app9245394
Received: 12 November 2019 / Revised: 4 December 2019 / Accepted: 5 December 2019 / Published: 10 December 2019
(This article belongs to the Section Mechanical Engineering)
This paper deals with the design, simulation and experimental verification of a new bilayer multipole electromagnetic brake. The design utilizes the superposition principle of magnetic flux across the inner and outer layers of axially-oriented electromagnetic poles to provide gradual braking about the single axis of rotation. The braking principle exploits the Coulomb friction between the two rigid contact surfaces. Compared with conventional, multi-pole, multi-layer type radial brakes in haptic applications, the proposed design provides high fidelity of free motion through an absolutely disconnected rotor. The design also provides a wide operating range by delaying the saturation limit of a magnetic circuit for a wide range of input power. In this paper, the analytical model of the brake is derived and compared with the FEM-based simulation results. The optimal design obtained from multi-objective optimization was experimentally verified for its capability in haptic applications. View Full-Text
Keywords: multipole multilayer brakes; braking torques; multi-objective optimization; haptics; coulomb friction multipole multilayer brakes; braking torques; multi-objective optimization; haptics; coulomb friction
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MDPI and ACS Style

Iqbal, H.; Yi, B.-J. Design of a New Bilayer Multipole Electromagnetic Brake System for a Haptic Interface. Appl. Sci. 2019, 9, 5394.

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