Artificial Intelligence
Logical foundations of artificial intelligence
Logical foundations of artificial intelligence
Tracking and data association
Problems of interval-based qualitative reasoning
Readings in qualitative reasoning about physical systems
Qualitative reasoning: modeling and simulation with incomplete knowledge
Qualitative reasoning: modeling and simulation with incomplete knowledge
Event Identification and Intelligent Hybrid Control
Hybrid Systems
Verification of Hybrid Systems Using Abstractions
Hybrid Systems II
Hybrid Systems II
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Symbolic reasoning about continuous dynamic systems requires consistent qualitative abstraction functions and aconsistent symbolic model. Classically, symbolic reasoning systems have utilized a box partition of the system spaceto achieve qualitative abstraction, but boxes can not provide a consistent abstraction. Our Q2 methodologyabstracts a provably consistent symbolic representation of noise-free general dynamic systems. However, the Q2symbolic representation has not been previously evaluated for efficacy in the presence of noise. We evaluate the effects ofnoise on Q2 symbolic reasoning in the domain of maneuver detection. We demonstrate how the Q2 methodology derives a symbolic abstraction of a general dynamic system model used in evaluating maneuverdetectors. Simulation results represented by ROC curves show that the Q2 based maneuver detector is superiorto a box-based detector. While no method is consistent in the presence of noise, the Q2 methodology is superiorto the classic box’s approach for deriving qualitative decisions about noisy dynamic systems.