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IntroductionThe concepts of controllability and observabil-ity,introduced by Kalman[1] ,are of extreme im-portance in control theory and engineering. Thereal objects are generally fractional[2 ] ,however,the control systems used so far are all consideredas integer- order systems.Disregarding the real or-der of the systems was caused mainly by the com-plexity and the absence of adequate mathematicaltools.The fractional calculus theory was devel-oped by a lotof mathematicians and the applicatio… 相似文献
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