Electromagnetic analysis of magnetic gear transmission

Zainal Abiddin, Nur Wajihah (2019) Electromagnetic analysis of magnetic gear transmission. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Magnetic gears is widely used in many applications either in transportation, industrial machines, and power transmission. There are three types of magnetic gear which is coaxial magnetic gears (CMGs), linear magnetic gears (LMGs), and axial magnetic gears (AMGs). However, only a few literatures reported about magnetic gear especially to produce higher torque. The project main purpose is to model a new magnetic gear topology using FEM that could produce torque more than 1 Nm and analyse the torque and speed with a different parameter of permanent magnet, yoke, air gap and number of poles. The modelling of the magnetic gear starts using Solidwork and exported to using Maxwell ANSYS. This software simulates the magnetic gear includes electromagnet element such as flux density and magnetic field. The results show that magnetic gear has a high-speed ratio and generate a high torque at low speed. For the 2nd, the effects of the design model of magnetic gear and change the parameters of inner, outer magnet, diameter of yoke on the performance of torques are discussed. An air-gap thickness and other parameters will affect the maximum torques. As conclusion, this reasearch provides overview and guidelines of designing a new magnetic gear.

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