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This paper presents an introductory overview and tutorial in simulation modeling and control of serial Kanban and CONWIP (CONstant Work In Process) pull systems using ARENNSIMAN 3.Y4.0. Card level estimation is discussed for both types of pull systems, and a heuristic method to adjust card levels controlling system WIP (Work In Process) is provided. The objective is to present a tutorial for students and practicing engineers familiar with the basics of simulation, but unfamiliar with pull system fundamentals.

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Abstract:We examine two key stochastic processes of interest for warranty modeling: (1) remaining total warranty coverage time exposure and (2) warranty load (total items under warranty at time t). Integral equations suitable for numerical computation are developed to yield probability law for these warranty measures. These two warranty measures permit warranty managers to better understand time-dependent warranty behavior, and thus better manage warranty cash reserves.

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