What is the definition of 'set point' in control systems?

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The term 'set point' in control systems refers to the desired value that a control system aims to maintain during its operation. This could be a specific temperature, pressure, flow rate, or any other measurable variable that the system regulates. The control system continuously measures the current value of the process variable and compares it to the set point. If there is a deviation from this desired value, the control system makes adjustments to bring the variable back to the set point. This definition underscores the fundamental goal of any control system: to achieve and maintain optimal operational conditions as defined by the set point.