Chemical Technology, Control and Management


When constructing automatic control systems, the main attention often is paid to determining the optimal parameters of system regulators than other elements that make up the system. The executive mechanisms also significantly affect the function quality of the control system. In this article, the actuators were considered as a sub-system within the control system and control algorithms with open and closed-loop communication relative to the actuators were investigated. To assess the real state of the actuators, and improved control structure with sensors installed on the moving parts has been developed. For this structure, an algorithm for evaluating and controlling the state of the executive element in a closed system has been created. A control structure based on a mathematical model has been developed for conditions in which the actuators cannot be equipped with a sensor. The system control algorithm in such a structure makes it possible to assess the state of the executive elements even in conditions of insufficient information.

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