Lisp at GPS


GPS (Goal Processing System) is a specific tool designed to manage "process related" knowledge and aimed at process supervision via real-time acquisition of process variables.

GPS is composed of two main parts : a knowledge acquisition system and a process supervision system. The knowledge acquisition system allows the developer to represent the knowledge about the process. The process supervision system uses that knowledge base and match it with real-time plant data to provide information to the user.

GPS is developed with FRANZ Allegro Common Lisp, using Common Lisp Object System (CLOS) and Common Lisp Interface Manager (CLIM). The current version runs on SUN Sparcstation, Hewlett-Packard and PC (Windows NT).

This tool has been used in two projects

  • the prototype of an operator support system where the knowledge is derived from operating procedures (OPA project). This prototype has been tested in connection with the full scope simulator of the Doel 1 power plant in Belgium.
  • the State Identification module of the CAMS project (Computerized Accident Management Support) at the OECD Halden Reactor Project (Norway).


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Last update : 22/12/2000