Position feedback control using magneto impedance sensors on conveyor with superconducting magnetic levitation

Tetsuhiko Iizuka, Naomichi Sakai, Hiroyuki Fujita

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The driving characteristic of a conveyor with superconducting magnetic levitation is reported. A superconductor (Gd-Ba-Cu-O, Sintered plate) is used to levitate a slider on the surface of a superconductor. In this paper, magneto impedance sensors are used to detect the position of a levitated slider whose size is 7.2 mm square and 2 mm in thickness. This magneto impedance sensor is commercially available and works based on a linear relation between the external magnetic field and the output voltage. This paper describes the results of (1) two-dimensional stepping actuation to arbitrary positions with the step size of 1.2 mm, (2) the maximum conveyance speed of 104 mm/s and (3) successful position feedback control.

Original languageEnglish
Pages (from-to)110-115
Number of pages6
JournalSensors and Actuators, A: Physical
Volume150
Issue number1
DOIs
Publication statusPublished - 2009 Mar 16
Externally publishedYes

Fingerprint

Magnetic levitation
levitation
Position control
feedback control
Superconducting materials
Feedback control
impedance
chutes
sensors
Sensors
Magnetic fields
actuation
Electric potential
output
electric potential
magnetic fields

Keywords

  • Conveyance
  • Magnetic levitation
  • Magneto impedance sensor
  • Superconductivity

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

Position feedback control using magneto impedance sensors on conveyor with superconducting magnetic levitation. / Iizuka, Tetsuhiko; Sakai, Naomichi; Fujita, Hiroyuki.

In: Sensors and Actuators, A: Physical, Vol. 150, No. 1, 16.03.2009, p. 110-115.

Research output: Contribution to journalArticle

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