2014•Automation and InstrumentationRequires access

Air Conditioning Unit Temperature Control Based on Fuzzy PID Algorithm

Liu Guang-pin

Abstract

According to the characteristics that the air conditioning unit of central air conditioning system temperature control was nonlinear hysteresis and time-varying,designed of the air conditioning unit temperature control system based on fuzzy PID algorithm to realized the real-time on-line control of air-conditioning unit temperature.the system used MCGS configuration software to monitor the running status,and used Siemens S7-1200 PLC to control field device. The running results showed that the fuzzy PID controller design was reasonable,effectively improved the conditioning processcontrol quality,increased the temperature of the quality control of air conditioning unit.

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Key concepts: Air conditioning, PID controller, Control theory (sociology), Temperature control, Fuzzy logic, Control engineering, Fuzzy control system, Engineering