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A system structure and the procedure of fuzzy control of central air conditioner (CAC) in building are presented in this paper. Discuss the design of improved fuzzy controller about room temperature controller in detail, including the hardware design and software programming based on MCU (Micro programmed Control Unit). The functions of temperature controller are completed under the application that...
Good indoor air quality (IAQ) can increase human comfort and productivity. An IAQ control method for an air-conditioned room based on a self-adaptive PID control theory is presented. Fuzzy algorithm is adopted in the study to adjust the three parameters of PID controller timely. Accordingly, this adaptive PID controller can be applied to the nonlinear controlled object- indoor CO2 level which is an...
Daylighting has become a more important feature of recent constructions due to the sustainable design movement, and suitable lighting controls provide building operators with the means to manage the way lighting energy is used in buildings more efficiently. Unfortunately, classic control systems, based on continuous dimming present some difficulties to adjust their performances to the rapid changes...
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