CONTROLLER FOR CRUSHER

Japanese Patent JP3643153

B2

PROBLEM TO BE SOLVED: To cope with the wear of a crusher of high frequency load change by obtaining a crushing means-pressurizing force correction signal according to the difference in a wear conditions-assumed value of a crusher at the time of calculation this time from design conditions thereby correcting the pressurizing force of a crushing means.
SOLUTION: A first arithmetic means 21 calculates the holdup of a material to be crushed based on the inputs of a raw material supply command signal 3, a pressurizing force command signal 16 and a classification property command signal 17 and a supposed value of wear conditions at the present time (assumed value at the time of last calculation 27) to obtain a rotation power force predicted value 25. A second arithmetic means 22 takes in the deviation value 26 of a rotation power measured value 29 and corrects the supposed value of wear conditions (assumed value at the time of last calculation 27) by fuzzy inference to output it to a third arithmetic means 23 as the assumed value 27 of this time. The third arithmetic means 23 obtains a pressurizing force correction signal 34 and a classifying property correction signal 35 by fuzzy inference according to the difference of the assumed value 27 of this time from the set wear conditions.

Yukio Miyama
Koji Yamamoto
Shunichi Tsumura
Katsumi Shimodaira

JP28533695A

April 27, 2005

November 01, 1995

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Babcock Hitachi Ltd.

B02C15/04; B02C25/00; (IPC1-7): B02C15/04; B02C25/00

JP2099153A
JP9000958A
JP5146696A

Takenaga Kawakita

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