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Author: search.filters.author.Pannil, PittayaSubject: search.filters.subject.Derivative state constraints

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    Optimal control-based integral servo controller for an overhead crane system
    (2015-01-01)
    Pannil, Pittaya
    ;
    Kaeojaikla, Phattarapong
    ;
    Trisuwannawat, Thanit
    This paper presents an integral servo controller design in order to eliminate the steady-state tracking error of an overhead crane system according to the servo problem. The design technique uses optimal control approach which encourages to achieve the better performance of the controller for overhead crane system. The simulation results show that the designed integral servo controller can eliminate the errors and reduce the settling time of the responses according to the weight for the integral time. How to select the weights for control is also suggested.
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    Discrete-time designs for load swing control of an overhead crane
    (2011-02-01)
    Ukakimaparn, Prapart
    ;
    Pannil, Pittaya
    ;
    Smerpitak, Krit
    ;
    Tirasesth, Kitti
    ;
    Trisuwannawat, Thanit
    This paper proposed a controller design method for controlling the load swing of an overhead crane. By the addition of the quadratic derivative of state variables term in the usual standard performance index for Discrete Linear Quadratic Gaussian (DLQG) optimal control as an extra weighting to play the role in this task. The results revealed that the swing of the load can be decreased at numerous requirements with excellence. How to select the suitable weights for control is also suggested. © 2011 ISSN 2185-2766.
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    Load swing control of an overhead crane
    (2010-12-01)
    Pannil, Pittaya
    ;
    Smerpitak, Krit
    ;
    La-Orlao, Visitsak
    ;
    Trisuwannawat, Thanit
    This paper proposed a controllers design method for controlling the load swing of an overhead crane. By addition of the quadratic derivative of state variables term in the usual standard performance index for Linear Quadratic Gaussian (LQG) optimal control as an extra weighting function to play the role in this task. The results revealed that the swing of the load can be decreased at numerous requirements with excellence. How to select the suitable weights for control is also suggested. ©ICROS.