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🔶 What is a 𝗣.𝗜.𝗗 𝗖𝗼𝗻𝘁𝗿𝗼𝗹𝗹𝗲𝗿 ?

P.I.D stands for :

🔸 𝗣𝗿𝗼𝗽𝗼𝗿𝘁𝗶𝗼𝗻𝗮𝗹 (𝗣) :
Reacts to the current error by applying a correction proportional to its size, providing immediate responsiveness to changes.

🔸 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝗹 (𝗜) :
Accumulates past errors to eliminate steady-state offset, ensuring the system reaches and stays at the target value.

🔸 𝗗𝗲𝗿𝗶𝘃𝗮𝘁𝗶𝘃𝗲 (𝗗) :
Predicts future errors by analyzing the rate of change, helping to stabilize and smooth the system's response.

In Industrial Automation PID is mainly used to maintain a process variable, like temperature, pressure, or speed, at a desired setpoint. It continuously adjusts control outputs (like a valve position or motor speed) to correct deviations from the target. By balancing immediate response, accuracy, and stability.

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