Proportional control is a fundamental concept in control systems and automation. It refers to a type of feedback control mechanism that adjusts the output of a system based on the proportional difference (error) between a desired setpoint and the measured process variable (current state of the system). ### Key Features of Proportional Control: 1. **Error Calculation**: The controller calculates the error by taking the difference between the desired value (setpoint) and the actual value (process variable).
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