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Contenuto archiviato il 2024-04-16

Knowledge-Based Planning and Control in Manufacturing Environments

Obiettivo

The objective of this project was to develop knowledge-based tools for process planning and workshop scheduling, based on a non-linear process plan representation. "Non-linear" means that the process plan comprises alternative and parallel sequences of manufacturing operations.
The objective of this project was to develop knowledge based tools for process planning and workshop scheduling, based on a nonlinear process plan representation. Nonlinear means that the process plan comprises alternative and parallel sequences of manufacturing operations.
The system was to support the generation of nonlinear process plans from a workpiece model and a workshop model. It will also generate a schedule, taking into account information contained in the nonlinear process plans. Rescheduling will allow a sufficiently fast and flexible reaction to unexpected events in the workstation during schedule execution.
The principal tasks were to develop a suitable nonlinear representation (with alternatives and parallelisms) of process plans, a knowledge based method for the automatic generation of nonlinear process plans (FLEXPLAN process planner) and workshop scheduling methods and rescheduling strategies for the utilisation of nonlinear process plans (FLEXPLAN workshop scheduler). The development is focused on small batch production and medium batch production in the metal working industry.
To ensure that the project results can be rapidly exploited, the general requirements of the market were considered in the very early phases of the project, and software engineering tools and programming languages were used that will ensure easy portability to a wide range of hardware and software environments at users' sites.
The system was to support the generation of non-linear process plans from a workpiece model and a workshop model. It will also generate a schedule, taking into account information contained in the non-linear process plans. Rescheduling will allow a sufficiently fast and flexible reaction to unexpected events in the workstation during schedule execution.

The principal tasks were to develop:

- a suitable non-linear representation (with alternatives and parallelisms) of process plans
- a knowledge-based method for the automatic generation of non-linear process plans (FLEXPLAN Process Planner)
- workshop scheduling methods and rescheduling strategies for the utilisation of non-linear process plans (FLEXPLAN Workshop Scheduler).

The development is focused on small and medium-batch production in the metal-working industry.

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INSTITUT FÜR INTEGRIERTE PRODUKTION HANNOVER GMBH
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LANGE LAUBE 13
30159 HANNOVER
Germania

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Ultimo aggiornamento: 17 Giugno 1993

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Permalink: https://cordis.europa.eu/project/id/2457/it

European Union, 2024