Modeling and controller design of a magnetic levitation system

In this paper, the nonlinear mathematical model with five DOFs of a magnetic levitation system is developed and analyzed. Then a second order sliding mode controller is proposed to regulate the levitation to a desired position, stabilize the other 4 DOFs in the nonlinear system and compensate the unknown increments on the load. Simulation results are presented to show the effectiveness of the proposed controller.

[1]  Jia-Yush Yen,et al.  A mechatronics approach to the servo design for a maglev system , 2001, Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148).

[2]  J. Kaloust,et al.  Nonlinear robust control design for levitation and propulsion of a maglev system , 2004 .

[3]  Darren M. Dawson,et al.  Proceedings of the American Control Conference , 2001 .

[4]  Yan Lu-guang,et al.  Progress of high-speed Maglev in China , 2002 .

[5]  A. Isidori.  Nonlinear Control Systems , 1985 .

[6]  G. C.,et al.  Electricity and Magnetism , 1888, Nature.

[7]  Yoon Su Baek,et al.  Contact-free moving-magnet type of micropositioner with optimized specification , 2002 .

[8]  Hakan Elmali,et al.  Robust output tracking control of nonlinear MIMO systems via sliding mode technique , 1992, Autom..

[9]  W. Jacobs.  Magnetic launch assist-NASA's vision for the future , 2001 .

[10]  Antonella Ferrara,et al.  On the convergence properties of a 2-sliding control algorithm for non-linear uncertain systems , 2001 .

[11]  David L. Trumper,et al.  High-precision magnetic levitation stage for photolithography , 1998 .

[12]  Mir Behrad Khamesee,et al.  Design and control of a microrobotic system using magnetic levitation , 2002 .

[13]  Mei-Yung Chen,et al.  Adaptive sliding mode controller design of a maglev guiding system for application in precision positioning , 2000, Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334).

[14]  Li-Chen Fu,et al.  Modeling and controller design of a Maglev guiding system for application in precision positioning , 2003, IEEE Trans. Ind. Electron..