Contact-free magnetic clutch applied for flywheel cell system

Nan-Chyuan Tsai, Hong Seng Aw

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A TDOF (Two Degrees of Freedom) Servo Gap-Retained Mechanism (SGRM) is proposed and verified by experiments. It consists of a flywheel and an Intelligent Posture Tracking System (IPTS). The flywheel is regarded as the tracking objective of the IPTS. The IPTS is mainly composed by an intelligent disc and two pairs of Hybrid Magnetic Actuators (HMAs). The posture of the intelligent disc is controlled by the magnetic forces induced by the HMAs to retain a constant gap with respect to the eccentric flywheel. Since the HMA is highly nonlinear, a Feedback-Linearized Sliding Mode Control (FLSMC) is synthesized to account for system parameter nonlinearities. The proposed SGRM is part of the flywheel cell system. When the MGU (Motor/Generator Unit) in flywheel cell operates at idle mode, the shaft of flywheel will be separated from MGU in order to avoid the energy loss of the flywheel by the back EMF induced by the magnetic field of MGU. The shaft of flywheel and MGU still need to maintain synchronous power transmission so that a contact-free clutch has to be equipped. The role of SGRM in a flywheel cell is to ensure the centerline of the flywheel properly is aligned with the magnetic clutch. Intensive experimental simulations are undertaken to verify the feasibility of the proposed SGRM and FLSMC.

Original languageEnglish
Title of host publicationICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics
Pages368-376
Number of pages9
Volume1
Publication statusPublished - 2012
Event9th International Conference on Informatics in Control, Automation and Robotics, ICINCO 2012 - Rome, Italy
Duration: 2012 Jul 282012 Jul 31

Other

Other9th International Conference on Informatics in Control, Automation and Robotics, ICINCO 2012
CountryItaly
CityRome
Period12-07-2812-07-31

Fingerprint

Flywheels
Clutches
Magnetic actuators
Sliding mode control
Feedback control
Power transmission
Energy dissipation
Magnetic fields

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Control and Systems Engineering

Cite this

Tsai, N-C., & Aw, H. S. (2012). Contact-free magnetic clutch applied for flywheel cell system. In ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics (Vol. 1, pp. 368-376)
Tsai, Nan-Chyuan ; Aw, Hong Seng. / Contact-free magnetic clutch applied for flywheel cell system. ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics. Vol. 1 2012. pp. 368-376
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abstract = "A TDOF (Two Degrees of Freedom) Servo Gap-Retained Mechanism (SGRM) is proposed and verified by experiments. It consists of a flywheel and an Intelligent Posture Tracking System (IPTS). The flywheel is regarded as the tracking objective of the IPTS. The IPTS is mainly composed by an intelligent disc and two pairs of Hybrid Magnetic Actuators (HMAs). The posture of the intelligent disc is controlled by the magnetic forces induced by the HMAs to retain a constant gap with respect to the eccentric flywheel. Since the HMA is highly nonlinear, a Feedback-Linearized Sliding Mode Control (FLSMC) is synthesized to account for system parameter nonlinearities. The proposed SGRM is part of the flywheel cell system. When the MGU (Motor/Generator Unit) in flywheel cell operates at idle mode, the shaft of flywheel will be separated from MGU in order to avoid the energy loss of the flywheel by the back EMF induced by the magnetic field of MGU. The shaft of flywheel and MGU still need to maintain synchronous power transmission so that a contact-free clutch has to be equipped. The role of SGRM in a flywheel cell is to ensure the centerline of the flywheel properly is aligned with the magnetic clutch. Intensive experimental simulations are undertaken to verify the feasibility of the proposed SGRM and FLSMC.",
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Tsai, N-C & Aw, HS 2012, Contact-free magnetic clutch applied for flywheel cell system. in ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics. vol. 1, pp. 368-376, 9th International Conference on Informatics in Control, Automation and Robotics, ICINCO 2012, Rome, Italy, 12-07-28.

Contact-free magnetic clutch applied for flywheel cell system. / Tsai, Nan-Chyuan; Aw, Hong Seng.

ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics. Vol. 1 2012. p. 368-376.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Tsai N-C, Aw HS. Contact-free magnetic clutch applied for flywheel cell system. In ICINCO 2012 - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics. Vol. 1. 2012. p. 368-376