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PID control has been widely used for air-conditioning system but there still remain a lot of possibilities. It will be then natural desire to try to eliminate the effects of disturbances before they have created control errors. An example is a certain system for an air-conditioning system in which an outdoor thermometer detects sudden weather changes and the supply air flowrate can be appropriately...
Interacting systems between room air temperature of a single zone space and supply air temperature controls are considered. In air conditioning systems, the control loop can easily get into huntings. Variable air volume (VAV) control is very common for air distribution in air conditioning system today. Such interactions are assumed to be essentially to the source of huntings. To explore the possible...
Room air temperature control of a single zone space is studied. In air conditioning systems, no matter what the forcing-a step or impulse in setpoint or slight disturbance-the loop can easily get into huntings. Variable air volume (VAV) control is very common for air distribution in air conditioning system today. The supply air flowrates to the room can be controlled by damper or by fan speed control...
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