… In modern control theory, the controlled object is modeled using linear system theory and a method for designing a control system based on this is discussed; this is called the state space approach. According to this approach, it is easy to handle objects with multiple inputs and multiple outputs, and as computers have developed, the usefulness of control methods based on this approach has been demonstrated, and this is now called modern control theory. In contrast, until the 1960s, a method was developed and systematized in which the controlled object was viewed as a black box with one input and one output, and the input/output characteristics of the object were analyzed in the frequency domain for a model represented by a transfer function to design a control system. … *Some explanations of terms that refer to "modern control theory" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 現在の制御理論では,制御対象をこのような線形システム理論でモデル化し,これに基づいて制御系を設計する方法を論じており,これを状態空間法state space approachという。この考え方によると,多入力かつ多出力の対象も容易に取り扱うことができ,コンピューターの発達とともにこの方法に基づく制御法の有用さが実証されるに及び,これを現代制御理論modern control theoryと呼んだりしている。これに対して,1960年以前までは,制御対象を1入力1出力のブラックボックスと見たて,その入出力特性を伝達関数で表したモデルに対して周波数領域で解析し,制御系設計を行う方法が展開され,体系づけられていた。… ※「modern control theory」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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