【発明の名称】プロセス運転支援方法およびシステム

Japanese Patent JP2886112

B2

A method for extracting as knowledge causal relationships between input variables and an output variable of a neural circuit model, said neural circuit model being of a hierarchical structure constructed of an input layer, at least one hidden layer and an output layer and having performed learning a limited number of times by determining weight factors between mutually-connected neuron element models in different layers of the input layer, hidden layer and output layer, wherein with respect to plural routes extending from a neuron element model, corresponding to a particular input variable, of the input layer to a neuron element model, corresponding to a particular output variable, of the output layer by way of the individual neuron element models of the hidden layer, a product of the weight factors for each of the routes is determined, and the products for the plural routes are summed, whereby the sum is employed as a measure for the determination of the causal relationship between the particular input variable and the particular output variable.

BABA KENJI
ENBUTSU ICHIRO
WATANABE SHOJI
YAHAGI TOSHIO
MARUHASHI FUMIO
MATSUZAKI HARUMI
MATSUMOTO HIROSHI
NOKITA SHUNSUKE
YODA MIKIO
HARA NAOKI

JP13074895A

April 26, 1999

May 29, 1995

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HITACHI SEISAKUSHO KK

G06F15/18; G05B11/32; G05B13/02; G05B13/04; G05B19/02; G05B23/02; G06F9/44; G06G7/60; G06N3/00; G06N3/08; G06N5/04; G06N7/02; (IPC1-7): G05B13/02; G05B13/04; G06F15/18; G06G7/60

JP293708A
JP2205967A
JP2238560A
JP2308359A
JP2287860A

【文献】広瀬佳生、外2名、「中間層ユニット数を変化させるバックプロパケーション法」、電子情報通信学会春季全国大会講演論文集(7)、社団法人電子情報通信学会、平成元年3月15日、P.7ノ18

Kazuko Tomita

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