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1. WO2020165228 - PROCÉDÉ DE GÉNÉRATION DE CALENDRIER DE MAINTENANCE AUTOMATISÉ POUR D'INSTALLATIONS MODULAIRES

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[ EN ]

PATENT CLAIMS

1. Automated maintenance schedule generation method, comprising the steps:

receiving (SI) planning data for designing a modular plant comprising physical modules (20);

selecting (S2) digital modules (40), correlating to the respective physical modules (20), from a database (30), depending on the received planning data (Dp), wherein the digital modules (40) comprise maintenance information (I) of the respective correlating physical modules (20);

associating (S3) the selected digital modules (40) depending on the received planning data (Dp);

determining (S4) an expected maintenance need (N) comprising an expected maintenance issue and/or an expected maintenance issue date for the selected physical (20) modules depending on the received maintenance information (I); and

generating (S5) a maintenance schedule (S) for the modular plant depending on the determined maintenance need (N).

2. Method of claim 1, comprising the steps:

generating the maintenance schedule (S) by a computerized maintenance management system -CMMS- (13); and

determining an expected downtime of maintenance and/or an expected costs of maintenance by the computerized maintenance management system (13).

3. Method of any of the preceding claims, wherein

the maintenance information (I) comprises an age of the physical module (20), preventive maintenance cycles of the physical module (20), lease costs of the physical module (20), availability of predictive maintenance support of the physical module (20), a maintenance history of the physical module (20), recurring issues of the physical module (20), a model usage history of the physical module (20) and/or a last known condition data of the physical module (20).

4. Method of any of the preceding claims, wherein

the maintenance need (N) comprises initial cleaning and/or repeated cleaning of the physical module (20) between each production run and/or unavoidable reconfiguration of the modular plant.

5. Method of any of the preceding claims, comprising the step:

generating the maintenance schedule (S) before the modular plant is assembled and the physical modules (20) start communicating.

6. Method of any of the preceding claims, comprising the step:

providing a simulation model of the digital module (40), configured for predicting the maintenance need (N).

7. Method of claim 6, comprising the step:

receiving the simulation model from an external source, preferably, from a module vendor, in particular for a refurbished physical module (20) and/or from a module rental company, in particular from which the physical module (20) is leased.

8. Method of any of the preceding claims, comprising the step:

receiving the predicted maintenance need (N) from the selected physical module (20) itself.

9. Method of any of the preceding claims, comprising the steps:

suggesting physical modules (20) from a pool of available physical modules (20) depending on the received planning data (Dp), wherein the planning data (Dp) comprises planning constraints of the physical module (20), a part of the physical module (20) and/or the modular plant, which the design of the modular plant has to fulfil; and

selecting digital modules, correlating to the respective physical modules (20), from the suggested physical modules (20).

10. Method of claim 9, wherein

the planning constraints comprise an age of the module, a time to maintenance of the physical module (20), a time to repair the physical module (20), costs of the physical module (20) and/or availability of predictive maintenance support of the physical module (20).

11. Method of any of the preceding claims, comprising the steps:

receiving production targets (Tp) of the modular plant having to be achieved by the design of the modular plant;

validating (S6) the generated maintenance schedule (S) offline, based on the production targets (Tp), thereby providing offline validation data (Voff); and

adjusting the selection of digital modules (40) for the modular plant based on the offline validation data (Voff).

12. Method of any of the preceding claims, comprising the steps:

receiving (S7) online condition data (Dr) of the physical modules (20), relating to a real condition of the physical modules (20) in view of its maintenance needs (N), when the modular plant is assembled and the physical modules (20) start communicating;

validating (S8) the generated maintenance schedule (S) based on the online condition data (Dr) online, thereby providing online validation data (Von); and

adjusting the selection of physical modules (20) for the modular plant based on the online validation data (Von).

13. Method of claim 12, comprising the steps:

checking (S9), if adjusting the selection of physical modules is possible in view of the operation of the modular plant; and

suggesting (S10) an adjustment of operation of the modular plant, if adjusting the selection of the physical modules (20) is not possible.

14. Control device (10), configured for executing the method of any of claims 1 to 13.

15. Control device of claim, comprising

a computerized maintenance management system - CMMS- (13) and/or a distributed control system - DCS - (11).