Method and apparatus for fuzzy knowledge reasoning

A fuzzy reasoning apparatus comprising:

• a control unit in a central processing unit wherein the control unit includes a program stating a modification procedure of fuzzy knowledge and an execution start procedure of fuzzy reasoning;
• a knowledge base for storing the fuzzy knowledge;
• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for modifying the fuzzy knowledge in said knowledge storage in accordance with the modification procedure in tile program of said control unit;
• and,
• means connected to said control unit and said knowledge storage for executing the fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with the execution start procedure of said control unit.

A fuzzy reasoning system comprising:

• a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge;
• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• automatic fuzzy knowledge modification means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage to generate modified fuzzy knowledge responsive to a first instruction from said control unit;
• and,
• means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage responsive to a second instruction from said control unit.

A fuzzy reasoning apparatus comprising a system including a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge, the fuzzy reasoning apparatus comprising:

• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage in accordance with a first instruction from said control unit, to generate modified fuzzy knowledge;
• and,
• fuzzy reasoning execution means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with a second instruction from said control unit, said fuzzy reasoning execution means being included in a fuzzy reasoning processor apart from said central processing unit.

A fuzzy reasoning apparatus comprising a system including a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge, the fuzzy reasoning apparatus comprising:

• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage in accordance with a first instruction from said control unit, to generate modified fuzzy knowledge;
• and,
• means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with a second instruction from said control unit, wherein at least a one of a fuzzy rule and a membership function of the fuzzy knowledge in said knowledge storage is modified.

A fuzzy reasoning apparatus comprising a system including a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge, the fuzzy reasoning apparatus comprising:

• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage generating modified fuzzy knowledge in accordance with a first instruction from said control unit;
• and,
• fuzzy reasoning execution means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with a second instruction from said control unit, said fuzzy reasoning execution means including means for repeating a fuzzy reasoning to the modified fuzzy knowledge in said knowledge storage a number of times specified by a modification procedure.

A fuzzy reasoning apparatus comprising a system including a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge, the fuzzy reasoning apparatus comprising:

• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage in accordance with a first instruction from said control unit to generate a modified fuzzy knowledge;
• and,
• fuzzy reasoning execution means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with a second instruction from said control unit, wherein said fuzzy reasoning execution means includes means for repeating the execution of the fuzzy reasoning while modifying the fuzzy knowledge in said knowledge storage by a number of times designated by said central processing unit.

A fuzzy reasoning apparatus comprising a system including a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge, the fuzzy reasoning apparatus comprising:

• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage in accordance with an instruction from said control unit to generate a modified fuzzy knowledge;
• fuzzy reasoning execution means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with an instruction from said control unit;
• a reasoning course storage for storing an intermediate course of the fuzzy reasoning;
• means for preparing a reasoning explanation in a sentence readily understandable by a user based on a content of said reasoning course storage;
• and,
• an output device for outputting the sentence, wherein said reasoning explanation means includes means for executing the following steps:
• selecting a subject of a conclusion part to be explained;
• selecting a maximum value of a membership function of conclusion;
• selecting a contribution rule for providing the maximum value;
• selecting a contribution subject from propositions of a condition part of the contribution rule;
• selecting a contribution subject, an input value and a predicate;
• and,
• selecting a predicate most adaptable to the input value from predicates of subjects.

A fuzzy reasoning apparatus comprising a system including a central processing unit having a control unit and a knowledge base for storing fuzzy knowledge, the fuzzy reasoning apparatus comprising:

• a knowledge storage for storing the fuzzy knowledge therein from said knowledge base;
• means connected to said control unit and said knowledge storage for automatically modifying the fuzzy knowledge in said knowledge storage in accordance with an instruction from said control unit to produce modified fuzzy knowledge;
• fuzzy reasoning execution means connected to said control unit and said knowledge storage for executing a fuzzy reasoning based on the modified fuzzy knowledge in said knowledge storage in accordance with an instruction from said control unit;
• means for converting a fuzzy rule to analysis chart information based on the fuzzy knowledge in said knowledge storage;
• and,
• an output device for outputting the analysis chart information in an analysis chart display, wherein said fuzzy rule converting means includes means for executing the following steps:
• selecting data for an abscissa and an ordinate of the analysis chart display from subjects of condition parts of rules;
• selecting data whose rule distribution is to be observed from subjects of conclusion parts of rules;
• setting a minimum adaptability as a range of each of the rules to be shown on the analysis chart;
• and,
• determining ranges of ordinate of abscissa for each rule.

A fuzzy reasoning apparatus comprising:

• a control unit for generating a fuzzy knowledge modification procedure and a fuzzy reasoning execution start procedure;
• a knowledge storage for storing fuzzy knowledge;
• a knowledge modification unit connected to said control unit and to said knowledge storage for automatically modifying fuzzy knowledge in the knowledge storage based on said fuzzy knowledge modification procedure generated by said control unit;
• and,
• a fuzzy reasoning execution unit for executing a fuzzy reasoning based on the modified fuzzy knowledge in the knowledge storage responsive to said fuzzy reasoning execution start procedure.

A fuzzy reasoning method in a fuzzy reasoning system including a control unit, the method comprising:

• providing a fuzzy knowledge modification procedure;
• editing the fuzzy knowledge modification procedure;
• automatically modifying fuzzy knowledge in a storage unit in accordance with said edited fuzzy knowledge modification procedure;
• and,
• executing a fuzzy reasoning procedure based on the modified fuzzy knowledge.