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Author: search.filters.author.Klinsmitth, N.

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    Separately excited DC motor drive with fuzzy self-organizing
    (2007-12-01)
    Tipsuwanporn, V.
    ;
    Numsomran, A.
    ;
    Klinsmitth, N.
    ;
    Gulphanich, S.
    This paper presents the algorithm for speed control of a separately excited dc motor (SEDCM) drive with fuzzy self-organizing. The objective is to design the system that can learn, increase, reduce and modify rule in knowledge base or rule base to suit the case and set response within acceptable area. The concepts about state analyze and performance measure are used to determine the modification rule in the knowledge base. The structure of fuzzy self-organizing controller consists of self-organizing control, dc chopper and speed sensor devices. For the control method, the close loop speed techniques are applied. The fuzzy self-organizing algorithm is experimented by controlling the speed of separately excited dc motor. The rules of fuzzy self-organizing with separately excited dc motor is to see response when load is changed. © ICROS.
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    Robust controller design for plant uncertainty
    (2006-12-01)
    Numsomran, A.
    ;
    Witheephanich, K.
    ;
    Tipsuwanporn, V.
    ;
    Klinsmitth, N.
    This paper demonstrates how Robust Nominal Model Following Control (RNMFC) motivated by the adaptive model following concept is developed and proposed in this paper. The control structure of RNMFC is quite different from and much simpler than those of adaptive model following control schemes. RNMFC has three main features: the use of a nominal model of the plant as a reference model, the design of a model controller which fulfills the reference tracking requirement and the inclusion of a simple PID correction mechanism which copes with all dynamic deviations of the real plant from its nominal model. With its robust control structure, RNMFC separates the reference tracking and robustness fulfillment into two independent problems. The results illustrate the robustness of RNMFC that can be manipulated parametric uncertainty of motor servo system. © 2006 ICASE.