可觀測性
Sign in to saveObservability is a measure of how well internal states of a system can be inferred from knowledge of its external outputs. In control theory, the observability and controllability of a linear system are mathematical duals.
Wikidata facts
- Instance of
- physical property
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- dual to
- controllability
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Article · 中文
控制理論中的可觀察性（observability）是指系統可以由其外部輸出推斷其其內部狀態的程度。系統的可觀察性和可控制性是數學上对偶的概念。可觀察性最早是匈牙利裔工程師鲁道夫·卡尔曼針對線性動態系統提出的概念。若以信號流圖來看，若所有的內部狀態都可以輸出到輸出信號，此系統即有可觀察性。
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