Electromagnetic Vibration Analysis and Measurement of a Magnetic Gear

Abstract

This paper describes the electromagnetic vibration in magnetic gears. The sources of the electromagnetic vibration are shown, and the components of the vibration are theoretically described. The electromagnetic force that can be detected from cogging torque measurements is verified by employing 3-D finite element method analysis and carrying out measurements on a prototype, and the components that do not appear in the cogging torque measurements are calculated by employing coupled electromagnetic and structural analysis. Finally, these results are also verified through measurements of the sound pressure.

Experimental Study of Linear Profile Modification in Spur Gear Leg

“…Modern-day mechanical gears are widely used in transmission systems to transmit torque included in the wave energy converter (Ariefianto, Hadiwidodo, and Rahmawati, 2022). Despite manufacturing new transmission systems with magnetic gears, no physical contact between materials has been identified (Rahman, Hassan, and Ihsan, 2022;Niguchi, Hirata and Zaini, 2013). (Li and Bird, 2018) stated that these various benefits of mechanical gears prevent the need for lubrication, high durability, and a high-speed-reduction ratio.…”