制振技術へのファジィ理論の適用に関する研究(その1)

概要

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Active control systems based on a modern linear control theory were studied in a field of ship vibration as well as other engineerings. It is difficult, however, to get a satisfactory effect of control in the case of characteristics of vibration system isn't clear or alters largely. On the other hand many kinds of process control systems made use of fuzzy control theory. The fuzzy control theory applies fuzzy theory and intelligence engineering to the plant process control without mathematical model. In this paper as the first step the authers try to apply the fuzzy control to the vibration of structure simulated by a vibration sysytem of 1D.O.F, and examine the features and the adaptability of fuzzy control to the vibration control. The conclusions are as follows (1) It is comfirmed that fuzzy control can be applied to vibration control without mathematical model. (2) The influence of some membership functions and fuzzy rules is clarified. (3) Fuzzy control of the vibration system is available to some types of non-linear feedback gain. (4) The effect of fuzzy control is nearly equal to that of optimal control in the case of impulsive excitation.
社団法人日本船舶海洋工学会の論文
1992-09-04