Study on the Dynamic Stability of 3-D Superconducting Actuator by Various Typed HTS Bulk Movers

Seok Beom Kim, H. Nakano, S. Ozasa, M. Sawae

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

High-temperature superconductor (HTS) material can trap high magnetic fields due to its strong flux pinning force. Herein, based on our belief that such a device would be useful as a transporter in clean rooms where silicon wafers are manufactured, we report on the development of a three-dimensional (3-D) superconducting actuator using HTS bulk material in a noncontact transportation device that will move freely in 3-D space. The proposed actuator consists of a trapped HTS, which provides the mover, along with two-dimensionally arranged copper-wound iron-core electromagnets that form the stator. The current and the polarity of each electromagnet can be individually controlled via the power supply. In our previous experiments, a single-component mover was observed to overshoot during operation, which led us to conclude that a more powerful levitation force was needed. In this study, single-component HTS movers (inner diameters of 46 and 60 mm) and multicomponent HTS movers were used to increase the levitation force and dynamic stability.

Original languageEnglish
Article number7010896
JournalIEEE Transactions on Applied Superconductivity
Volume25
Issue number3
DOIs
Publication statusPublished - Jun 1 2015

Fingerprint

dynamic stability
High temperature superconductors
high temperature superconductors
Actuators
actuators
Electromagnets
electromagnets
levitation
clean rooms
Flux pinning
Clean rooms
transporter
flux pinning
stators
Silicon wafers
power supplies
Stators
Copper
polarity
Iron

Keywords

  • 3-D superconducting actuator
  • dynamic stability
  • HTS bulk mover
  • levitation force

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Study on the Dynamic Stability of 3-D Superconducting Actuator by Various Typed HTS Bulk Movers. / Kim, Seok Beom; Nakano, H.; Ozasa, S.; Sawae, M.

In: IEEE Transactions on Applied Superconductivity, Vol. 25, No. 3, 7010896, 01.06.2015.

Research output: Contribution to journalArticle

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