On Levitation and Lateral Control of Electromagnetic Suspension Maglev Systems-Reference-Cited by-同舟云学术

On Levitation and Lateral Control of Electromagnetic Suspension Maglev Systems

Published:2012-09-13 Issue:6 Volume:134 Page:
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Aly Mohamed¹,Alberts Thomas²

Affiliation:

1. Doctoral Candidate Mechanical and Aerospace Engineering Department, Old Dominion University, Norfolk, VA 23529 e-mail:

2. Professor Mechanical and Aerospace Engineering Department, Old Dominion University, Norfolk, VA 23529 e-mail:

Abstract

A study that compares between decentralized and centralized controllers for electromagnetic suspension (EMS) Maglev systems that use combined magnets with an inverted U-rail for levitation and lateral control is presented. A simple 2-DOF (degrees of freedom) Maglev system model (rigid and flexible body cases) that comprises heave and lateral modes is used. The study is based on two aspects. First, by sketching the multi-input multi-output (MIMO) root loci with every controller individually for system rigid and flexible body cases. Second, a gradient-like search algorithm based on an optimal criterion for decentralized and centralized controllers' gains tuning is used. The work is generalized on a real EMS Maglev system, and the simulation results for these Maglev systems shows that the centralized control is more capable of lateral displacements suppression that may result from disturbing lateral forces than the decentralized one.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/doi/10.1115/1.4006885/6113777/061012_1.pdf

Reference20 articles.

1. http://magnetbahnforum.de/index.php?en_what-is-Maglev

2. Goodall, R. M., 2004, “Dynamics and Control Requirements for EMS Maglev Suspensions,” Proceedings of MAGLEV 2004, China, pp.926–934.

3. Hanasoge, A. M., 2009, “Stability Analysis, Modeling, Simulation and Experimental Testing of an EMS Maglev System With Structural Flexibility,” Ph.D. dissertation, Old Dominion University, Norfolk, VA.

4. Alberts, T., Hanasoge, A., and Oleszczuk, G., 2008, “Stable Levitation Control of Magnetically Suspended Vehicles With Structural Flexibility,” IEEE American Control Conference.

5. Alberts, T., and Hanasoge, A., 2008, “Modeling and Experimental Validation of an EMS Demonstration Vehicle,” Proceedings of Maglev2008, CA.

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