マン・マシン・インターフェイス・システムの自律型プラントヘの適応性評価の研究

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Research on Artificial Intelligence Systems for Nuclear Installations has been performed in cooperation with five research institutes (Ship Research Institute, Electrotechnical Laboratory, Japan Atomic Energy Research Instiute, Power Reactor and Nuclear Fuel Development Corporation, The Institute of Physical and Chemical Research) , from 1989 to 1994 as the Cross-over Research Group with the support of the Science and Technology Agency. Ship Research Institute has been carrying out the research on the Man-Machine Interface (MMI) system for autonomous nuclear power plants. An autonomous nuclear power plant system, which will be realized in the next century, utilizes advanced artificial intelligence (AI) techniques and robotics to increase safety, reliability and efficiency in nuclear plant operations. For the autonomous plant, operators are mainly engaged in the high levels of diagnosis and decision-making in emergencies. A MMI system requires an advanced function compared with that of the present nuclear power plants. This paper describes the concept of autonomous nuclear power plants, a plant simulator of an autonomous nuclear power plant, a contracted function model of a plant state, three-dimensional color graphic display of a plant state, and a function of automatic classification of plant states by the COBWEB method. A plant simulator has been developed by using the expert system G2 (Gensym Co.). The simulator generates plant process data (temperature, pressure, flow rate, and so on) at each component of a plant. This simulator models a pressurized water reactor and some examples of autonomous functions are incorporated. A contracted function model of a plant state has been produced at the main part of the MMI system based on plant process data from the simulator. Important information is efficiently shown to operators based on this plant model. The main purpose of the present study is to give the MMI system a function to identify the plant operational state, to update and revise the function model by itself, and to expand a knowledge about the possible states of a nuclear plant. In the three-dimensional color graphic display system, a plant state is expressed in a three-dimensional graphic display which receives sensor values from the plant simulator and expresses the plant state in nearly real time speed. A research on the automatic classification of plant states has been also performed, which shows us the relations among different plant states. The study is being continued to the 2nd stage Cross-over Research from 1994, as the Study on Divers, Cooperative Intelligent System for Autonomous Plants.
独立行政法人海上技術安全研究所の論文
1997-01-13

マン・マシン・インターフェイス・システムの自律型プラントヘの適応性評価の研究

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