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Pursuit, Stealth and Cohesion: Lessons from Nature P. S. Krishnaprasad, Department of Electrical and Computer Engineering, Institute for Systems Research, University of Maryland Tuesday, February 28, 20062:00 PM to 3:00 PM 114 Steele (CDS Library) In this talk we discuss the geometric patterns underlying certain pursuit and prey-capture phenomena in nature, and suggest feedback laws that explain such patterns. Our interest in this problem arises from the study of a motion camouflage (stealth) hypothesis due to Srinivasan and his collaborators [1][2], and the investigation of insect-capture behavior in the FM bat Eptesicus fuscus [3][4]. Models of interacting particles, developed in collaboration with Eric Justh [5][6][7], prove effective in formulating and deriving biologically plausible feedback laws that lead to observed patterns. While the primary focus of this talk is on pair-wise adversarial interactions, the results suggest ways to synthesize interaction laws that yield cohesion in collections of particles, and thus possible mechanisms for flocking in nature and in engineered systems. |
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