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Time, Petri Nets, and Robotics.

Freedman, Paul

In: IEEE Transactions on Robotics and Automation, Vol. 7, No. 4, pages 417-433. August 1991.

Abstract: A class of condition/event nets suitable for modeling repetitive workcell tasks is defined. These nets are either deterministic or exhibit choice among alternatives, a restricted type of conflict. The repetitive behavior of this type of net is studied by separating this conflict into deterministic components that are associated with mutually exclusive alternatives. A unified description of important temporal extensions of Petri net theory is presented, formal analysis is emphasized. A typical assembly example that illustrates two forms of temporal analysis is presented.

Keywords: robotics; time; condition/event net; manufacturing; conflict; mutually exclusive alternatives; temporal net extension.

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