Process control method and system for performing control of a controlled system by use of a neural network

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United States of America Patent

PATENT NO 5311421
SERIAL NO

07625096

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for controlling a controlled system by a controller such that a controlled variable can be brought into conformity with a desired value. With respect to at least one of input/output variables for a combined controlling-controlled system, which includes in combination the controller and the controlled system, and input/output variables for the controlled system, information containing its characteristics is taken out from the combined controlling-controlled system. The information with the characteristics contained therein is inputted to a neural network which has been caused beforehand to learn a correlation between the information containing the characteristics and control parameters. From the neural network, one or more of the control parameters, said one or more control parameters corresponding to a corresponding number of inputs to the neural network, are outputted to the controller.

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Patent Owner(s)

  • HITACHI, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kondoh, Masakazu Hitachi, JP 1 194
Matsumoto, Hiroshi Ibaraka, JP 501 5666
Miyagaki, Hisanori Ohta, JP 9 712
Nomura, Masahide Hitachi, JP 16 712
Saito, Tadayoshi Hitachi, JP 15 886
Shimoda, Makoto Katsuta, JP 26 700
Sugano, Akira Katsuta, JP 16 660
Yokokawa, Nobuyuki Mito, JP 3 259

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