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This paper presents a greenhouse climate controller, which can minimize the consumption of energy while keeping the climatic temperature variables under control. A nonlinear model predicative control (MPC) algorithm based on particle swarm optimization (PSO) is proposed in this paper, since MPC is very flexible in selecting the control objectives to solve(More)
Drying-process of many kinds of farm produce in a close room, such as mushroom-drying machine, is generally a complicated nonlinear and time-delay cause, in which the temperature and the humidity are the main controlled elements. The accurate controlling of the temperature and humidity is always an interesting problem. It's difficult and very important to(More)
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