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KMID : 0380619950270020164
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Korean Journal of Food Science and Technology
1995 Volume.27 No. 2 p.164 ~ p.169
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Simulation of Fuzzy Logic Controller for Food Extrusion Process
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Abstract
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Fictitious experiment to control extrusion process was carried out using the fuzzy theory. Algorithm of the fuzzy logic controller(FLC) was made based on the general principles of extrusion. In the simulation, at first, thickness of extrudate was measured as feedback input variable. Secondly, a set point of screw speed was determined as output variable of extruder operating condition through FLC. Finally, the thickness of extrudate was controlled as a given set point. Barrel heater was simply controlled as on/off state, which was not fuzzy controlled.
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