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Timed Petri net based approach for elevator group controls.

Cho, Y.C.; Gagov, Z.; Kwon, W.H.

In: RSJ Int. Conf. on Intelligent Robots and Systems, 17-21 October 1999, Kyongju, Korea: Proc. 1999 IEEE, pages 1265-1270. 1999.

Abstract: An optimal group control for elevator systems is proposed with a timed Petri net based approach. The elevator system is modeled by timed petri net and hall call waiting times are estimated with a moment generating function method, which is applicable to real traffic patterns. Two assignment policies are proposed to satisfy the demands of passengers (i.e.; hall/car calls) and to handle exceptional situations. The performances of the elevator system employing the proposed policies are compared with each other by several performance indices.

Keywords: elevator group control, timed Petri nets.

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