Apparatus and method for improving the accuracy of a loss-in-weight feeding system

摘要: A control for loss-in-weight feeders which decreases flow error during refill of the feeder hopper. The weight range (empty to full capacity) hopper is divided into increments. Samples are taken discharge and refill, each sample assigned a increment. During discharge, scale factor related density material in computed, increment stored memory; feed screw driven at speed proportional computed factor. factors retrieved from memory factors; but no additional calculated.