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 language | English |
|---|---|
| Pages (from-to) | 110-115 |
| Number of pages | 6 |
| Journal | Sensors and Actuators, A: Physical |
| Volume | 150 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2009 Mar 16 |
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
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Cite this
Iizuka, T., Sakai, N., & Fujita, H. (2009). Position feedback control using magneto impedance sensors on conveyor with superconducting magnetic levitation. Sensors and Actuators, A: Physical, 150(1), 110-115. https://doi.org/10.1016/j.sna.2008.12.014