Abstract
In this paper, a new distributive lighting control system for BA(Building Automation) is presented. For optimal lighting control and saving energy in buildings such as hotels, schools and offices, the group and pattern lighting control as well as individual lighting control at one time are required. All the modulated lighting control terminals are connected to the central control unit through a pair of power lines. These power lines provide both power and signals to the each distributed terminal, and data are transmitted using the cyclic time division multiplex transmission algorithm. With this algorithm, a low-cost distributive control system for lighting applications has been achieved, allowing energy and maintenance saving and increasing the reliability of the lighting control system.
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