A PID Sliding Mode Control for Ropeless Elevator Maglev Guiding System

DOI: 10.4236/epe.2012.43022   PDF   HTML     6,943 Downloads   12,752 Views   Citations


In this paper, three different controllers are proposed and simulated for maglev guiding systems to have convenient and smooth elevator motion. The proposed controllers are PID, sliding mode, and PID sliding mode controllers. The advantages and disadvantages of the proposed controllers are discussed. Although, PID controller is fast, its response affected considerably by external disturbances. Unlike PID, the sliding mode controller is so robust, but its transient is unsuitable based on application conditions. However, an acceptable controller for ropeless elevator guiding system should guaranty the passengers safety and convenient. Consequently, the response of the system should be fast, robust, and without considerable overshoots and oscillations. These required advantages are compromised in the proposed parallel PID sliding mode controller. The affectivity of the introduced controllers for maglev guiding system is investigated through conducted simulations in MATLAB/Simulink environment. The obtained results illustrate that PID sliding mode controller is a so fast and robust controller for a ropeless elevator maglev guiding system.

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H. Alipour, M. Bana Sharifian and H. Afsharirad, "A PID Sliding Mode Control for Ropeless Elevator Maglev Guiding System," Energy and Power Engineering, Vol. 4 No. 3, 2012, pp. 158-164. doi: 10.4236/epe.2012.43022.

Conflicts of Interest

The authors declare no conflicts of interest.


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