Journal
INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS
Volume 54, Issue 2, Pages 223-237Publisher
IOS PRESS
DOI: 10.3233/JAE-160097
Keywords
Magnetic levitation; non-contact power transfer; nonlinear systems; zero power control
Funding
- JSPS KAKENHI [25289052]
- Grants-in-Aid for Scientific Research [25289052] Funding Source: KAKEN
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A magnetically levitated linear slider (MagLevLS) with a non-contact power transfer method is proposed. The levitated platform was designed as a four-point suspended rigid metal plate. Magnetic levitation and zero power control under forces introduced by the non-contact power transfer method was experimentally investigated and presented. The presented MagLevLS is expected to use as a short-range transport system in a clean operating environment. An open-end generator was purposed to achieve non-contact power transfer. The open-end generator design was analyzed using FEM and experimental data obtained from an experimental prototype was presented. The proposed MagLevLS platform uses four hybrid electromagnets (HEMs) as actuators for levitation. A PD controller with integral feedback was used to achieve quasi-zero power operation of the levitated platform. A single rigid platform was used to mount all four HEMs, and a 0.25 W steady state power consumption for per HEM was achieved under disturbances introduced by the open-end generator. According to the results, MagLevLS can achieve stable levitation under cogging forces and generate sufficient power for continuous operation.
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