PID Tuning Methodology for HVAC and Process Control: Methods, Response Analysis, and Field Diagnostics

The proportional-integral-derivative (PID) controller is the most widely deployed control algorithm in industrial automation. It governs every fast loop in a cleanroom, every cooling unit in a data center, and every motor speed regulation across precision manufacturing. Yet despite its ubiquity, PID tuning remains the discipline most frequently performed badly. Surveys of operating plants consistently … Read more