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Abstract
磁気浮上技術は,磁気浮上列車や磁気エレベータ,磁気軸受けなど,多くの産業分野で用いられてきた.電磁石を用いた磁気浮上装置は磁気浮上力が比較的小さいため,十分な力を得るためには大電流を流す必要があり,そのため装置は電源を中心に大掛かりなものになる.一方,近年の強磁性体材料技術の進歩に伴い,安価で非常に高磁場強度の永久磁石が利用できるようになり,比較的小型の装置でも磁気浮上系が構成可能となってきた.しかしながら,装置の小型化による軽量化により,フィードバック制御における速応性が求められ,制御系の構成が容易ではなくなるとう問題が新たに生じることになる.このような背景から本研究では,磁場のシミュレーションを活用した小型磁気浮上装置の設計環境を,実際の磁気浮上システムの計測結果と比較しながら構築したので報告する.
The magnetic levitation technology is widely used in the various fields of industry such as the linear motor car, the magnetic elevator, magnetic bearings, etc. The magnetic levitation system based on an electromagnet can weak supply only force, and strong electric current was required to obtain enough large levitation force and therefore levitation equipment result in very large size. On the other hand, recent progress of a ferromagnetism make it possible to composed of small scale magnetic levitation equipments with low cost. However, such a small scale system usually requires us to construct quick response feedback control. This paper presents a design tool of control system for such a small scale magnetic levitation system by combining magnetic field simulation.
Journal
- Technical report of IEICE. OPE [List of Volumes]
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Technical report of IEICE. OPE 109(159), 105-109, 2009-07-23 [Table of Contents]
The Institute of Electronics, Information and Communication Engineers
