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Geant4 is a toolkit for simulating the passage of particles through matter. It includes a complete range of functionality including tracking, geometry, physics models and hits. The physics processes offered cover a comprehensive range, including electromagnetic, hadronic and optical processes, a large set of long-lived particles, materials and elements,(More)
The paper tackles the problem of managing uncertainties during the execution of predictive schedules in a dynamic environment. The dynamic environment in question is represented by a simulation model which constitutes a coherent part of a Digital Factory solution. The model is connected to an integrated production planner and job-shop scheduler system with(More)
The paper presents an integrated production planner and job shop scheduler system with flexible modeling capabilities and powerful, scalable solution methods. The system generates close-to-optimal production and capacity plans on the medium term, and detailed production schedules on the short-term. However, t he constraint-based, deterministic scheduling(More)
The paper describes the possible roles of the simulation and emulation in production planning and scheduling as well as in production control systems through a case study for optimizing the internal logistic system of a given production system. The study focuses on the control of a transportation unit and automated storage and retrieval system. A complex(More)
The paper gives a review of the literature related to the stability measures and describes a new concept with exhaustive simulation results. Predictive production schedules are calculated by a scheduler based on a genetic algorithm, hybridized with a modified Giffler&Thompson algorithm. By applying the proposed sched-uler and executing the resulted(More)
The paper tackles the problem of managing the uncertainties during the execution of predictive schedules in a dynamic environment. The dynamic environment in question is represented by a simulation model – connected to a production scheduler system – with flexible modelling capabilities. The paper addresses the simulation module of the proposed architecture(More)
In the paper, a simulation-based technique is focused on that defines the boundaries and components of a reconfigurable assembly system according to historical order-streams. Fluctuating production volumes and " end-of-life-cycle " products require frequent revisions of the production structure applied, in order to gain production space and to level between(More)