pid控制系統(tǒng)外文翻譯(已修改)
2025-11-13 14:31 本頁面
【正文】 無錫職業(yè)技術(shù)學(xué)院 畢業(yè)設(shè)計(jì)說明書 (外文翻譯 ) 2 外文翻譯 PID CONTROL SYSTEM Industrial automation has bee an important indicator to measure the level of modernization of all walks of life. Meanwhile, the development has also experienced a classical control theory and control theory, the modern control theory and theory of intelligent control in three stages. Intelligent control is a classic example of fuzzy automatic washing machines. Control systems can be divided into open loop control system and closedloop control system. Control system includes a controller, sensor, transmitter, the executing agency, I accept input and output. After the output controller output interface enforcement agency charged with a war system。 Charged with volume control system, through sensors. Transmitter by input interface to the controller. Different control systems, sensor, transmitter, and the executing agency is not the same. For example, pressure control system using pressure sensors. Heating the sensor is a temperature sensor control system. At present, or PID control and intelligent controller PID controller (meters) have many, engineering products have been widely used in a wide variety of PID controller products. major panies have developed an intelligent selftuning PID regulator (intelligent Amp232。re gulator), which automatically adjust the parameters of a PID controller is intelligent selftuning or adjustment, adaptive algorithm is to be achieved. PID control is achieved using pressure, temperature, flow, liquid level control device. PID control function can be realized in the programmable logic controller (PLC). There PID control of the PC, etc. can be realized. Programmable Logic Controller (PLC) is used to achieve its PID control loop control module. and programmable logic controller (PLC) can be connected directly with ControlNet. Rockwell such as the PLC5. PID controller can also control function, such as Rockwell39。s Logix product lines. ControlNet it can be linked directly with the use of the work to achieve its remote control function. 1, The openloop control systems Openloop control system is the object of the output ( control volume) of the controller (controller), the output will not be affected. In this control system, not dependent on the volume will be charged and sent back to form against any closedloop. 無錫職業(yè)技術(shù)學(xué)院 畢業(yè)設(shè)計(jì)說明書 (外文翻譯 ) 3 2,The closedloop control system Closedloop control system (loop control system) features of the accused The output (volume control) and the output affected by anti sent back to form a loop or more. And the positive feedback loop feedback control system, if the feedback signal and the signal systems to setting the contrary, call negative feedback (Negative Feedback), and if the same polarity, as positive feedback, closedloop control system is used generally negative feedback, or negative feedback control system. Many examples of closedloop control system. For example, people in a negative feedback loop control systems
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