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In this work, a dynamic model of an AHU(air handling units) was studied for the purpose of energy saving and system analysis. First, based on the process flow of an AHU system, the system model which consists of a zone, heating coil, cooling and dehumidifying coil, humidifier was established by the mechanism analysis. Then, the opening of cold water valve, the mass flow rate, the rate of fresh air...
It is the most effective resource use practices for slurry and slime to be used as fuel for Fluidized bed boiler. The dry desulfurization of sludge Fluidized bed boiler is a large time delay system, and load disturbance of this system changes frequently. In order to achieve stable control of SO2 emission, and meet environmental requirements, a fuzzy control technology combined with the optimal feed-forward...
To solve chemical problems with variable and nonrigid constraints, a method based on particle swarm optimization (PSO) algorithm was presented. By mathematical analysis and transform, the variable constraints were regard as an item to be optimized. Then the item multiplied by penalty and combined with the primary objective function. So the primary problem was transferred to the multi-objective function,...
With the requirements for promoting the energy saving and environmental protection, it is the main trend for fluidized bed boiler to realize combustion control and online computing of heat efficiency. In order to achieve combustion automatic control of fluidized bed boilers, and improve self-control rates and on-line monitoring of boilers' heat efficiency. In this study, the combustion control scheme...
With the development of optimization heads toward large-scale problems, a series of optimization packages were developed for large-scale NLP optimization. The RSQP (reduced sequential quadratic programming) we concerned is one of best large scale NLP algorithm, and is especially efficient in process operation optimization. In this paper, the performance of our concerned algorithm RSQP, CONOPT2 and...
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