Affiliations: [a] Graduate school of Tokai University, Japan | [b] Department of Mechanical Engineering, Faculty of
Engineering, Future Science and Technology Joint Research Center, Tokai
University, 1117 Kitakaname, Hiratsuka-shi, Kanagawa, Japan | [c] Department of Mechanical Engineering, Faculty of
Engineering, Tokai University, Japan
Abstract: When sheet steel travels at high speed in a processing facility,
rollers are usually used as supporters. However, when rollers are used,
deterioration caused by cracking is possible. The authors have proposed a
magnetic levitation control system for sheet steel and confirmed the
feasibility by an experiment on digital control. However, there is no
horizontal restraining force in transport in the case of using only levitation
control. Therefore, we proposed to install electromagnets in order to control
the horizontal position. For the basic examinations, the sheet steel plate
(length 800 mm, width 600 mm, thickness 0.3 mm) was reinforced by light carbon
pipes in this study. To verify the usefulness of the proposed noncontact
positioning control system of sheet steel, a digital control experiment was
performed on transport. As a result, good positioning control performance for
the levitated steel plate was obtained.
