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Comprehensive design of a toroidally-wound limited angle torque motor
, Article International Review of Electrical Engineering ; Volume 6, Issue 1 , 2011 , Pages 198-206 ; 18276660 (ISSN) ; Kelk, H. M ; Toorani, F ; Farahmandzad, H ; Sharif University of Technology
Abstract
This paper presents a comprehensive design procedure of a brushless DC limited angle torque motor (LATM) based on magnetic equivalent circuit analysis which predicts its performance and magnetic characteristics. Design of toroidally wounded armature and rotor with two pole tip segments are developed using selected ferromagnetic material and rare earth permanent magnets. Derivation of airgap and other motor dimensions and design parameters with their expressions are given. A finite element analysis verification of designed LATM using a 2D modeling and simulating package is presented. Performance characteristic of analytical model and FEA model of designed LATM is compared which validates the...