Monomer VAV Air Conditioning Controllers Research Based On The Fuzzy PID

Intelligent Building in China has become the trend of the construction market, the air conditioning system is an important part of building automation. Intelligent building design principle is to be people-oriented, is to provide a comfortable living and working environment for people, and this function is mainly to achieve through the air-conditioning control system, air-conditioning system is the entire building main energy-consuming systems. In recent years, variable air volume air conditioning system has energy saving has been a lot of development. VAV system operating conditions are subject to change at any time, it must rely on the automatic control in order to guarantee the basic requirements of the air conditioning system-suitable room temperature, sufficient fresh air, good air, the normal pressure in the chamber. VAV control unit contains a blower control back to the fan control, fresh air control, and many other aspects. Visible, variable air volume air conditioning system and the control system is closely integrated and inseparable. Traditional control method is difficult to achieve real-time prediction and control of complex nonlinear relationship between the room temperature, humidity, CO2concentration, the fuzzy PID great advantage. Based on engineering practice, based on fuzzy PID VAV the unitary air controller, so that the actual output of the device to track load changes in a timely manner, and the application of intelligent control method proposed in the study of variable air volume air conditioning system on the basis of a single air-conditioned room VAV section, so that the operation of the air conditioning system for energy saving, economic effect. The research results are applicable to both the renovation and expansion project of the project, or the overall small size of the new construction.