Unmatched disturbance rejection for AMB systems via DOBC approach

This paper addresses the disturbance rejection problem for active magnetic bearing (AMB) systems via DOBC approach. A linearized model of AMB system with unmatched disturbance is proposed in state space form. Based on the model we present, a method which estimates and actively rejects disturbance with disturbance observer and feedback controller is proposed. Simulation results show the performance of the system in presence of unknown disturbance.

[1]  Jun Yang,et al.  Disturbance observer based control for nonlinear MAGLEV suspension system , 2010, 2010 Conference on Control and Fault-Tolerant Systems (SysTol).

[2]  Xinghuo Yu,et al.  Sliding-mode control for systems with mismatched uncertainties via a disturbance observer , 2011, IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society.

[3]  M. Hasanzadeh,et al.  Decentralized disturbance rejection control of multi-area power systems using generalized extended state observer , 2012, 20th Iranian Conference on Electrical Engineering (ICEE2012).

[4]  Jun Yang,et al.  Disturbance Observer-Based Control: Methods and Applications , 2014 .

[5]  Chong-Won Lee,et al.  Time delay control with state feedback for azimuth motion of the frictionless positioning device , 1997 .

[6]  Carl R. Knospe,et al.  Gain-scheduled control of a magnetic bearing with low bias flux , 1997, Proceedings of the 36th IEEE Conference on Decision and Control.

[7]  Tsu-Chin Tsao,et al.  Rejection of unknown periodic load disturbances in continuous steel casting process using learning repetitive control approach , 1993, Proceedings of 8th IEEE International Symposium on Intelligent Control.

[8]  Peter J. Gawthrop,et al.  A nonlinear disturbance observer for robotic manipulators , 2000, IEEE Trans. Ind. Electron..

[9]  Ladislav Kucera,et al.  Robustness of Self-Sensing Magnetic Bearing , 1997 .

[10]  Ülle Kotta,et al.  Extended observer form for discrete-time nonlinear control systems , 2011, 2011 9th IEEE International Conference on Control and Automation (ICCA).

[11]  Darren M. Dawson,et al.  Nonlinear control of active magnetic bearings: a backstepping approach , 1996, IEEE Trans. Control. Syst. Technol..

[12]  Z. Ding,et al.  H ∞ consensus control of multi-agent systems with input delay and directed topology , 2016 .

[13]  Jianmei Song,et al.  Dynamic modelling and active disturbance rejection controller design for a morphing wing mechanism , 2012, 2012 Proceedings of International Conference on Modelling, Identification and Control.

[14]  Tong-heng Lee,et al.  H ∞ disturbance attenuation for state delayed systems , 1998 .

[15]  Jianrong Cao,et al.  Decoupling control for a 5-DoF rotor supported by active magnetic bearings , 2003, Sixth International Conference on Electrical Machines and Systems, 2003. ICEMS 2003..

[16]  S. Islam,et al.  Disturbance rejection in adaptive control for a class of nonlinear mechanical systems , 2010, 2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics.

[17]  Han Bangcheng,et al.  Integral Design and Analysis of Passive Magnetic Bearing and Active Radial Magnetic Bearing for Agile Satellite Application , 2012, IEEE Transactions on Magnetics.

[18]  Johann W. Kolar,et al.  Magnetically levitated slice motors - an overview , 2009 .

[19]  Lei Guo,et al.  Disturbance-Observer-Based Control and Related Methods—An Overview , 2016, IEEE Transactions on Industrial Electronics.

[20]  W. Marsden.  I and J , 2012 .

[21]  S. Earnshaw.  On the Nature of the Molecular Forces which Regulate the Constitution of the Luminiferous Ether , .

[22]  M.D. Noh,et al.  Design and implementation of a fault-tolerant magnetic bearing system for turbo-molecular vacuum pump , 2005, IEEE/ASME Transactions on Mechatronics.

[23]  Gang Tao,et al.  Experimental study of sliding mode control for a benchmark magnetic bearing system and artificial heart pump suspension , 2003, IEEE Trans. Control. Syst. Technol..