Feedback Control
Feedback control is a fundamental engineering and mathematical concept where a system's output is measured and compared to a desired reference value, with the difference (error) used to adjust the system's input to achieve the desired behavior. It is widely applied in automation, robotics, electronics, and process engineering to maintain stability, accuracy, and performance in dynamic systems. Common implementations include PID controllers, which use proportional, integral, and derivative terms to correct errors over time.
Developers should learn feedback control when working on systems requiring automation, real-time adjustments, or stability, such as in robotics, industrial processes, or embedded systems. It is essential for applications like autonomous vehicles, temperature regulation, and motion control, where precise and adaptive responses to changing conditions are critical. Understanding this concept helps in designing robust systems that can handle disturbances and maintain desired outputs efficiently.