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Sliding-Mode Control of an Electromagnetic Actuated Conveyance System using Contactless Sensing

Lookup NU author(s): Professor Cheng Chin


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A microcontroller-based conveyance system using a hybrid electromagnetic suspension (EMS) system and a linear synchronous motor (LSM) is proposed. Unique placements of the hybrid EMS and LSM integrated with an array of infrared sensors, embedded microcontroller and electronics switching circuits are designed to maintain the air gaps and the propulsion. To improve the air-gap stability, a robust sliding-mode feedback controller is used. The entire control system is implemented, simulated and verified by experimental measurements. As compared to different control schemes such as H-infinity and Proportional-Integral-Derivative (PID) controller, it has shown to give reasonable performance under certain parametric uncertainties.

Publication metadata

Author(s): Chin C, Wheeler C

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Industrial Electronics

Year: 2013

Volume: 60

Issue: 11

Pages: 5315-5324

Print publication date: 16/11/2012

ISSN (print): 0278-0046

ISSN (electronic): 1557-9948

Publisher: IEEE


DOI: 10.1109/TIE.2012.2227909


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