This paper presents a novel control system for chiller plants that is decentralized and\nflat-structured. Each device in chiller plant system is fitted with a smart node. It is a smart agent,\nwhich collects, handles and sends out information to its neighbours. All the smart nodes form a\nnetwork that can realize self-organization and self-recognition. Different kinds of control strategies\ncan be converted into series of decentralized computing processes carried on by the smart nodes.\nThe principle and mechanism of this decentralized, flat-structured control system for chiller plants\nare described in detail. Then a case study is presented to show how to build the decentralized,\nflat-structured control system actually. The measured data shows that the decentralized control\nmethod is energy efficiency. Moreover, it is much more flexible and scalable compared with the\ntraditional centralized control method.
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