The management and control of complex systems by human operators can be improved considerably if they are assisted by an automated planner that considers all available information about future constraints, goals, events, etc. as well the present state of the system. Since in general the behaviour of the world is not predictable with arbitrary accuracy a dynamic planning has to be designed that is characterized by information feedback and a permanently working situation assessment. One important task of situation assessment is the detection of actual conflicts in order to react as fast as possible to unforeseen and critical situations. That can also be regarderd as a situation-based change of the control structure. Under normal operational conditions situation assessment has to provide the plan generation unit with a quantitative and qualitative evaluation of potential conflicts. This might be done by using conflict attributes. This information is necessary to determine planning necessity as well as the (probably) best layer of plan generation with respect to the prevailing uncertainty and the required plan stability. Considering the air traffic control domain in greater detail an approach for real-time situation assessment can be given based on task decomposition into monitoring units focused on an aircraft or on certain sub-areas in each case.
Situation assessment within the context of dynamic planning
Lageerkennung im Kontext der dynamischen Planung
1996
9 Seiten, 2 Bilder, 8 Quellen
Aufsatz (Konferenz)
Englisch
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