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安宇熙 陸軍士官學校 1980 한국군사학논집 Vol.20 No.-
The optimal stochastic linear sampled-data control problem is formulated, the existence of an optimal solution is proved, and an algorithm for computing the optimal control is developed. The cost functional used measures both control performance and the cost of implementing and operating a sampled-data controller. The constraints, improved by the sampling criterion, can specify or constrain the length of eacn sampling interval. Thus a periodic or aperiodic sampling criterion can result which is either optimal or specified apriori. The optimal sampling criterion is shown to depend on the control law; the system dynamics; the statistics of the system distribution, measurement noise and initial state; the performance index; and the sampling constraints.