MULTIVARIABLE CONTROL OPTIMIZATION PROGRAM AND VOLUMETRIC FEEDER

摘要

PROBLEM TO BE SOLVED: To provide a multivariable control optimization program capable of making optimal adjustment about PI control at the appropriate time and a volumetric feeder. SOLUTION: The volumetric feeder includes a hopper 2 for dumping powder and grain 1 serving as the raw materials of a synthetic resin product; a feed screw 3 provided in the bottom of the hopper 2 for discharging the powder and grain 1 from the hopper 2 in a mass proportional to the number of revolutions; a measuring means 4 for measuring the amount of discharge by the feed screw 3; and a controller 5 that performs negative feedback control of the number of revolutions of the feed screw 3 on the basis of measurement data sampled by the measuring means 4 in accordance with the multivariable control optimization program. COPYRIGHT: (C)2006,JPO&NCIPI