PID Control
PID control is a feedback control mechanism widely used in industrial and engineering systems to regulate variables such as temperature, speed, or pressure. It calculates an error value as the difference between a desired setpoint and a measured process variable, then applies a correction based on proportional, integral, and derivative terms. This approach enables precise and stable control by dynamically adjusting outputs to minimize error over time.
Developers should learn PID control when working on systems requiring automated regulation, such as robotics, HVAC systems, or process automation in manufacturing. It is essential for applications where maintaining a specific state (e.g., temperature in a furnace or speed in a motor) is critical, as it provides a robust and tunable method to achieve stability and responsiveness. Knowledge of PID control is particularly valuable in embedded systems, IoT devices, and control engineering projects.