Process control is the regulation of a process or system to achieve a desired output. It is a closed-loop system that uses feedback from the process to adjust the inputs to the process to maintain the desired output. The process control system consists of sensors, controllers, and actuators. The sensors measure the process variables such as temperature, pressure, and flow rate. The controllers use the measured values to determine the required adjustments to the process inputs. The actuators then make the necessary adjustments to the process inputs, such as opening or closing valves or manipulating the speed of a motor. The process is then monitored to ensure that the desired output is achieved.
Process control is used in a variety of industries, including chemical, pharmaceutical, food and beverage, oil and gas, and power generation.
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What is the most common form of process Control?
The most common process controller is the PID (Proportional-Integral-Derivative) controller. It is used to adjust a process variable such as temperature, flow, pressure, or speed in order to keep it at a desired set point.
What is a PID process Controller?
A PID (Proportional Integral Derivative) process controller is a type of control system that is used to regulate temperature, flow, pressure, speed, and other process variables. It uses a set of mathematical equations to calculate the desired output based on the current process conditions. The controller will take the difference between the desired setpoint and the current process value and adjusts the output accordingly. This will ensure that the process stays as close as possible to the relevant setpoint.