METHOD AND SYSTEM FOR ADAPTING A PRODUCTION FLOW SCHEDULE FOR A PRODUCTION PROCESS
First Claim
1. A method for adapting a production flow schedule for one or more production processes, at least some of the one or more processes including one or more process steps that use energy for their execution, the method comprising:
- identifying at least one availability time window in which a predetermined minimum energy availability is present within a predetermined optimization period based on availability information that indicates a forecast energy availability during the optimization period;
indicating one or more flexible process steps, wherein the one or more flexible process steps specify those process steps that can be executed in one or more alternative time windows within the optimization period without impairing one or more optimization variables on which preparation of the production flow schedule is based; and
for each of the flexible process steps, rescheduling an appropriate flexible process step into a relevant alternative time window if the rescheduling is within the at least one availability time window, in order to obtain an adapted production flow schedule.
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Abstract
A method and system are disclosed for adapting a production flow schedule for one or more production processes, each having one or more process steps that use power for the execution thereof. An exemplary method includes identifying at least one availability time window in which there is a predetermined minimum power availability within a predetermined optimization time period based on a piece of availability information which indicates a forecast power availability during the optimization time period; providing an indication of one or more flexible process steps, which can be executed in a plurality of alternative time windows within the optimization time period; and for each of the flexible process steps, temporally rearranging the corresponding flexible process step into one of the corresponding alternative time windows if the rescheduling is within the availability time window in order to obtain an adapted production flow schedule.
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Citations
20 Claims
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1. A method for adapting a production flow schedule for one or more production processes, at least some of the one or more processes including one or more process steps that use energy for their execution, the method comprising:
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identifying at least one availability time window in which a predetermined minimum energy availability is present within a predetermined optimization period based on availability information that indicates a forecast energy availability during the optimization period; indicating one or more flexible process steps, wherein the one or more flexible process steps specify those process steps that can be executed in one or more alternative time windows within the optimization period without impairing one or more optimization variables on which preparation of the production flow schedule is based; and for each of the flexible process steps, rescheduling an appropriate flexible process step into a relevant alternative time window if the rescheduling is within the at least one availability time window, in order to obtain an adapted production flow schedule. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A production planning system for adapting a production flow schedule for one or more production processes, at least some of the one or more processes including process steps using energy for their execution, wherein the production planning system is configured:
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to identify at least one availability time window in which a predetermined minimum energy availability is present within a predetermined optimization period based on availability information that indicates a forecast energy availability during the optimization period; to indicate one or more flexible process steps, wherein the one or more flexible process steps specify those process steps that can be executed in one or more alternative time windows within the optimization period without impairing one or more optimization variables on which the preparation of the production flow schedule is based; and for each of the flexible process steps, to reschedule the appropriate flexible process step into one of the relevant alternative time windows if the rescheduling is within the availability time window in order to obtain an adapted production flow schedule. - View Dependent Claims (11, 12, 13, 14)
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15. A computer program product comprising a non-transitory computer readable medium having a computer readable code for adapting a production flow schedule for one or more production processes, at least some of the one or more processes including process steps that use energy for their execution, wherein the computer readable code will configure a computer to perform a method which includes:
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identifying at least one availability time window in which a predetermined minimum energy availability is present within a predetermined optimization period based on availability information that indicates a forecast energy availability during the optimization period; indicating one or more flexible process steps, wherein the one or more flexible process steps specify those process steps that can be executed in one or more alternative time windows within the optimization period without impairing one or more optimization variables on which the preparation of the production flow schedule is based; and for each of the flexible process steps, rescheduling the appropriate flexible process step into one of the relevant alternative time windows if the rescheduling is within the availability time window in order to obtain an adapted production flow schedule. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification