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control loop

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control loop
One segment of a process control system. An open-loop control process requires human intervention, whereas a closed-loop system is entirely automated (see PID). See process control.
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According to above parameters, we carry out the following simulation; wherein the ordinate axis represents pH, the horizontal axis represents time, and the unit is second (s): 1) Only under the action of PID, the step response curve of the pH control loop is in line with the Figure 3: From the Figure 3, we can know the overshoot [[delta].
Modeling and control of ph in pulp and paper wastewater treatment ... by Jiayu, Kang; Mengxiao, Wang; Zhongjun, Xiao / Journal of Water Resource and Protection (JWARP)
Its new PAC8000 RTU Controller also executes control strategies and manages all control activities for the I/O modules providing a tight control loop response, quickly giving a control output in response to input data and has two high-speed Ethernet ports to provide fault-tolerant communication.
GE announces Rugged Field-Mountable Platform for remote applications by International Business Times - US ed.
Emerson Process Management has developed a new adaptive capability for DeltaV[TM] InSight which enables the DeltaV digital automation system to automatically learn process dynamics, diagnose control problems, and re-tune control loops for optimal performance.
Emerson unveils adaptive capability by Food Trade Review
 
 
 
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