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Knowledge Representation and Inference Techniques in Industrial Control

Ziel

The objective of KRITIC was to construct a set of tools for the development of expert systems for process control.
The tool set was to be tested and demonstrated by designing and implementing two expert systems to assist maintenance, fault diagnosis, optimisation of data flows and control in an industrial process-control environment. The major attributes of this classof expert systems are:
-a high level of organisational complexity
-time-dependent reasoning
-a large number of inputs and outputs
-learning/adaptation.
A consolidated set of basic tools for the development of expert systems in complex industrial process control environments was produced. The tools include: a knowledge representation language, AVALON; a rule based expert system shell, MIKIC (which originated from an academic development); two graphical description languages, G-MOD and V-GRAPH; a blackboard system, BBF; a planning system incorporating dependency directed backtracking, CELL-PLAN; and a high level environment for explicitly specifying the control flow, CELL-TISSUE. The tools have benefited from use in building the demonstrators. For example, the use of MIKIC in 2 demonstrator applications resulted in 2 sets of extensions, which were then merged into a 'Common MIKIC'. The research results from the project have been well integrated in tools, and validated by the demonstrators. For example, the work on truth maintenance systems (TMS) resulted in a novel use of the TMS to limit search in the rule base that, in turn, resulted in a combined MIKIC/TMS tool used in one of the demonstrators. Two demonstrators, the first for the control and diagnosis of advanced telecommunications switching systems, the second for the control of power distribution networks, were completed and made available to the partners for experimental purposes.
A consolidated set of basic tools for the development of expert systems in complex industrial process-control environments was produced. The tools include: a knowledge representation language, AVALON; a rule-based expert system shell, MIKIC (which originated from an academic development); two graphical description languages, G-MOD and V-GRAPH; a blackboard system, BBF; a planning system incorporating dependency-directed backtracking, CELL-PLAN; and a high-level environment for explicitly specifying the control flow, CELL-TISSUE. The tools have benefited from use in building the demonstrators. For example, the use of MIKIC in the two demonstrator applications resulted in two sets of extensions, which were then merged into a "Common MIKIC".
The research results from the project have been well integrated in tools, and validated by the demonstrators. For example, the work on truth maintenance systems (TMS) resulted in a novel use of the TMS to limit search in the rule base that, in turn, resulted in a combined MIKIC/TMS tool used in one of the demonstrators.
Two demonstrators, the first for the control and diagnosis of advanced telecommunications switching systems, the second for the control of power distribution networks, were completed and made available to the partners for experimental purposes.
Exploitation
The tools are being used by the partners in other projects. To facilitate their use by other organisations engaged in ESPRIT projects, they are being packaged, documented, and ported to SUN.
MIKIC has been used in project 1592, TAO. Results of the project are being used in a project for satellite control, SATEXPERT, in conjunction with the results of project 820, QUIC.

Wissenschaftliches Gebiet (EuroSciVoc)

CORDIS klassifiziert Projekte mit EuroSciVoc, einer mehrsprachigen Taxonomie der Wissenschaftsbereiche, durch einen halbautomatischen Prozess, der auf Verfahren der Verarbeitung natürlicher Sprache beruht. Siehe: Das European Science Vocabulary.

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Krupp Atlas Elektronik GmbH
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Sebaldsbrücker Heerstraße 235
28309 Bremen
Deutschland

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