Stabilization of Periodic Discrete Systemsby Output Sample Hold Control

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  • 出力サンプルホールド制御による周期係数離散時間システムの安定化
  • シュツリョク サンプル ホールド セイギョ ニ ヨル シュウキ ケイスウ リサン ジカン システム ノ アンテイカ

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In linear ω-periodic discrete-time systems, eigenvalues of the state transition matrix over the time interval nω dominate stability, where n is the dimension of the state vector. The periodic discrete-time system is called to be sample observable when the state can be determined from observation of output at only one time within one period. Under the assumption that eigenvalues of the monodromy matrix in an open-loop system are distinct, it is shown that the closed-loop system can be stabilized by applying the sampled output nω-periodic hold control if and only if the open-loop system is stabilizable and sample detectable at some time t0.

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