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第1行： − − − To do this, a ''[[Controller (control theory)|controller]]'' with the requisite corrective behavior is required. This controller monitors the controlled process variable (PV), and compares it with the reference or set point (SP). The difference between actual and desired value of the process variable, called the ''error'' signal, or SP-PV error, is applied as feedback to generate a control action to bring the controlled process variable to the same value as the set point. Other aspects which are also studied are [[controllability]] and [[observability]]. This is the basis for the advanced type of automation that revolutionized manufacturing, aircraft, communications and other industries. This is ''feedback control'', which is usually ''continuous'' and involves taking measurements using a [[sensor]] and making calculated adjustments to keep the measured variable within a set range by means of a "final control element", such as a [[control valve]].<ref>Bennett, Stuart (1992). A history of control engineering, 1930-1955. IET. p. 48. {{ISBN|978-0-86341-299-8}}.</ref> − − To do this, a controller with the requisite corrective behavior is required. This controller monitors the controlled process variable (PV), and compares it with the reference or set point (SP). The difference between actual and desired value of the process variable, called the error signal, or SP-PV error, is applied as feedback to generate a control action to bring the controlled process variable to the same value as the set point. Other aspects which are also studied are controllability and observability. This is the basis for the advanced type of automation that revolutionized manufacturing, aircraft, communications and other industries. This is feedback control, which is usually continuous and involves taking measurements using a sensor and making calculated adjustments to keep the measured variable within a set range by means of a "final control element", such as a control valve. −
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'''控制理论 Control theory'''研究工程过程和机器中连续运行的动态系统的控制。目的是开发一种控制模型，以最优方式使用控制动作来控制此类系统，而不会出现延迟或超调，并确保其控制的稳定性。因为控制理论非常依赖于相关学科的理论和实际应用，甚至可以将控制理论可以被视为控制工程，计算机工程，数学，控制论和运筹学的分支<ref>{{Cite web|url=https://portal.dnb.de/opac.htm?method=simpleSearch&cqlMode=true&query=nid=4032317-1|title=Katalog der Deutschen Nationalbibliothek (Authority control)|last=GND|website=portal.dnb.de|url-status=live|archive-url=|archive-date=|access-date=2020-04-26}}</ref> 。
'''控制理论 Control theory'''研究工程过程和机器中连续运行的动态系统的控制。目的是开发一种控制模型，以最优方式使用控制动作来控制此类系统，而不会出现延迟或超调，并确保其控制的稳定性。因为控制理论非常依赖于相关学科的理论和实际应用，甚至可以将控制理论可以被视为控制工程，计算机工程，数学，控制论和运筹学的分支<ref>{{Cite web|url=https://portal.dnb.de/opac.htm?method=simpleSearch&cqlMode=true&query=nid=4032317-1|title=Katalog der Deutschen Nationalbibliothek (Authority control)|last=GND|website=portal.dnb.de|url-status=live|archive-url=|archive-date=|access-date=2020-04-26}}</ref> 。
为了做出一个优秀的控制器，需要一个具有必要纠正行为的控制器。这个控制器监视受控程序变数，并将其与参考点或设定点进行比较。程序变数的实际值和期望值之间的差，称为误差信号，或者 SP-PV 误差，作为反馈来产生一个控制动作，使被控制的程序变数达到设定值。研究的其他方面还有可控性和可观测性。这是先进的自动化类型的基础，革命性的制造业，飞机，通信和其他行业。这就是反馈控制，它通常是连续的，涉及使用传感器进行测量，并通过控制阀等”最终控制元件”进行计算调整，使测量的变量保持在一定范围内<ref>Bennett, Stuart (1992). A history of control engineering, 1930-1955. IET. p. 48. {{ISBN|978-0-86341-299-8}}.</ref>。
为了做出一个优秀的控制器，需要一个具有必要纠正行为的控制器。这个控制器监视受控程序变数，并将其与参考点或设定点进行比较。程序变数的实际值和期望值之间的差，称为误差信号，或者 SP-PV 误差，作为反馈来产生一个控制动作，使被控制的程序变数达到设定值。研究的其他方面还有可控性和可观测性。这是先进的自动化类型的基础，革命性的制造业，飞机，通信和其他行业。这就是反馈控制，它通常是连续的，涉及使用传感器进行测量，并通过控制阀等”最终控制元件”进行计算调整，使测量的变量保持在一定范围内<ref>Bennett, Stuart (1992). A history of control engineering, 1930-1955. IET. p. 48. {{ISBN|978-0-86341-299-8}}.</ref>。