Push planning for unserviceable parts to facilitate repair planning in a repair network
First Claim
1. A system for repair planning for a repair location in a repair network, comprising multiple components collectively operable to:
- model an uninspected buffer for unserviceable parts received at the repair location but not yet inspected at the repair location;
model a first buffer for unserviceable parts inspected at the repair location and determined to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the first buffer at a first rate according to an inspection operation at the repair location;
model a second buffer for unserviceable parts inspected at the repair location and determined not to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the second buffer at a second rate according to the inspection operation at the repair location;
model a third buffer for unserviceable parts inspected at the repair location and determined not to be repairable at any repair location in the repair network, the unserviceable parts within the uninspected buffer being assigned to the third buffer at a third rate according to the inspection operation at the repair location;
model a fourth buffer for unserviceable parts inspected at the repair location and determined to be serviceable without repair, the unserviceable parts within the uninspected buffer being assigned to the fourth buffer at a fourth rate according to the inspection operation at the repair location;
generate one or more operation plans for the inspection operation to push unserviceable parts out of the uninspected buffer to the first, second, third, and fourth buffers according to the first, second, third, and fourth rates, respectively, the inspection operation having a predetermined disposition time, an unserviceable part that is pushed out of the uninspected buffer being available within the first, second, third, or fourth buffer only after the predetermined disposition time for the inspection operation has elapsed;
generate an operation plan for each of one or more sourcing operations to push unserviceable parts out of the second buffer to one or more upstream repair locations, each upstream repair location being associated with a sourcing operation having a predetermined move lead time, an unserviceable part that is pushed out of the second buffer being available at an upstream repair location only after the predetermined move lead time for the associated sourcing operation has elapsed; and
for each unserviceable part pushed out of the uninspected buffer to the first or second buffer, estimate the earliest time at which a repair operation can begin for the unserviceable part at the repair location or an upstream repair location, this earliest repair time determining the earliest time at which, after the unserviceable part has been repaired to make it serviceable, the serviceable part can be available to satisfy a demand at the repair location.
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Accused Products
Abstract
In one embodiment, a method for repair planning for a location in a repair network includes modeling: (1) an uninspected buffer for parts received but not yet inspected at the location; (2) a first buffer for parts inspected at the location and repairable at the location; (3) a second buffer for parts inspected at the location and not repairable at the location; (4) a third buffer for parts inspected at the location and not repairable at any location in the repair network; and (5) a fourth buffer for parts inspected at the location and serviceable without repair. The parts in the uninspected buffer are assigned to the first, second, third, and fourth buffers at corresponding rates according to an inspection operation. One or more operation plans are generated to push parts out of the uninspected buffer to the first, second, third, and fourth buffers according to the corresponding rates, a part pushed out being available within the first, second, third, or fourth buffer only after a predetermined disposition time has elapsed. An operation plan is generated to push parts out of the second buffer to one or more upstream locations, a part pushed out being available at an upstream location only after a predetermined move lead time has elapsed. For each part pushed out of the uninspected buffer to the first or second buffer, the earliest time at which repair can begin for the part is estimated, this earliest repair time determining the earliest time at which, after the part has been repaired to make it serviceable, the part can be available to satisfy a demand at the location.
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Citations
58 Claims
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1. A system for repair planning for a repair location in a repair network, comprising multiple components collectively operable to:
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model an uninspected buffer for unserviceable parts received at the repair location but not yet inspected at the repair location; model a first buffer for unserviceable parts inspected at the repair location and determined to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the first buffer at a first rate according to an inspection operation at the repair location; model a second buffer for unserviceable parts inspected at the repair location and determined not to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the second buffer at a second rate according to the inspection operation at the repair location; model a third buffer for unserviceable parts inspected at the repair location and determined not to be repairable at any repair location in the repair network, the unserviceable parts within the uninspected buffer being assigned to the third buffer at a third rate according to the inspection operation at the repair location; model a fourth buffer for unserviceable parts inspected at the repair location and determined to be serviceable without repair, the unserviceable parts within the uninspected buffer being assigned to the fourth buffer at a fourth rate according to the inspection operation at the repair location; generate one or more operation plans for the inspection operation to push unserviceable parts out of the uninspected buffer to the first, second, third, and fourth buffers according to the first, second, third, and fourth rates, respectively, the inspection operation having a predetermined disposition time, an unserviceable part that is pushed out of the uninspected buffer being available within the first, second, third, or fourth buffer only after the predetermined disposition time for the inspection operation has elapsed; generate an operation plan for each of one or more sourcing operations to push unserviceable parts out of the second buffer to one or more upstream repair locations, each upstream repair location being associated with a sourcing operation having a predetermined move lead time, an unserviceable part that is pushed out of the second buffer being available at an upstream repair location only after the predetermined move lead time for the associated sourcing operation has elapsed; and for each unserviceable part pushed out of the uninspected buffer to the first or second buffer, estimate the earliest time at which a repair operation can begin for the unserviceable part at the repair location or an upstream repair location, this earliest repair time determining the earliest time at which, after the unserviceable part has been repaired to make it serviceable, the serviceable part can be available to satisfy a demand at the repair location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for repair planning for a repair location in a repair network, comprising:
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modeling an uninspected buffer for unserviceable parts received at the repair location but not yet inspected at the repair location; modeling a first buffer for unserviceable parts inspected at the repair location and determined to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the first buffer at a first rate according to an inspection operation at the repair location; modeling a second buffer for unserviceable parts inspected at the repair location and determined not to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the second buffer at a second rate according to the inspection operation at the repair location; modeling a third buffer for unserviceable parts inspected at the repair location and determined not to be repairable at any repair location in the repair network, the unserviceable parts within the uninspected buffer being assigned to the third buffer at a third rate according to the inspection operation at the repair location; modeling a fourth buffer for unserviceable parts inspected at the repair location and determined to be serviceable without repair, the unserviceable parts within the uninspected buffer being assigned to the fourth buffer at a fourth rate according to the inspection operation at the repair location; generating one or more operation plans for the inspection operation to push unserviceable parts out of the uninspected buffer to the first, second, third, and fourth buffers according to the first, second, third, and fourth rates, respectively, the inspection operation having a predetermined disposition time, an unserviceable part that is pushed out of the uninspected buffer being available within the first, second, third, or fourth buffer only after the predetermined disposition time for the inspection operation has elapsed; generating an operation plan for each of one or more sourcing operations to push unserviceable parts out of the second buffer to one or more upstream repair locations, each upstream repair location being associated with a sourcing operation having a predetermined move lead time, an unserviceable part that is pushed out of the second buffer being available at an upstream repair location only after the predetermined move lead time for the associated sourcing operation has elapsed; and for each unserviceable part pushed out of the uninspected buffer to the first or second buffer, estimating the earliest time at which a repair operation can begin for the unserviceable part at the repair location or an upstream repair location, this earliest repair time determining the earliest time at which, after the unserviceable part has been repaired to make it serviceable, the serviceable part can be available to satisfy a demand at the repair location. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. Software for repair planning for a repair location in a repair network, the software embodied in a computer-readable medium and when executed operable to:
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model an uninspected buffer for unserviceable parts received at the repair location but not yet inspected at the repair location; model a first buffer for unserviceable parts inspected at the repair location and determined to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the first buffer at a first rate according to an inspection operation at the repair location; model a second buffer for unserviceable parts inspected at the repair location and determined not to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the second buffer at a second rate according to the inspection operation at the repair location; model a third buffer for unserviceable parts inspected at the repair location and determined not to be repairable at any repair location in the repair network, the unserviceable parts within the uninspected buffer being assigned to the third buffer at a third rate according to the inspection operation at the repair location; model a fourth buffer for unserviceable parts inspected at the repair location and determined to be serviceable without repair, the unserviceable parts within the uninspected buffer being assigned to the fourth buffer at a fourth rate according to the inspection operation at the repair location; generate one or more operation plans for the inspection operation to push unserviceable parts out of the uninspected buffer to the first, second, third, and fourth buffers according to the first, second, third, and fourth rates, respectively, the inspection operation having a predetermined disposition time, an unserviceable part that is pushed out of the uninspected buffer being available within the first, second, third, or fourth buffer only after the predetermined disposition time for the inspection operation has elapsed; generate an operation plan for each of one or more sourcing operations to push unserviceable parts out of the second buffer to one or more upstream repair locations, each upstream repair location being associated with a sourcing operation having a predetermined move lead time, an unserviceable part that is pushed out of the second buffer being available at an upstream repair location only after the predetermined move lead time for the associated sourcing operation has elapsed; and for each unserviceable part pushed out of the uninspected buffer to the first or second buffer, estimate the earliest time at which a repair operation can begin for the unserviceable part at the repair location or an upstream repair location, this earliest repair time determining the earliest time at which, after the unserviceable part has been repaired to make it serviceable, the serviceable part can be available to satisfy a demand at the repair location. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A system for repair planning comprising multiple components collectively operable to:
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for each of a plurality of repair locations in a multi-level repair network, each level comprising one or more repair locations at which unserviceable parts may be repaired, model; an uninspected buffer for unserviceable parts received at the repair location but not yet inspected at the repair location; a first buffer for unserviceable parts inspected at the repair location and determined to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the first buffer at a first rate according to a first inspection sub-operation at the repair location; a second buffer for unserviceable parts inspected at the repair location and determined not to be repairable at the repair location, the unserviceable parts within the uninspected buffer being assigned to the second buffer at a second rate according to a second inspection sub-operation at the repair location; a third buffer for unserviceable parts inspected at the repair location and determined not to be repairable at any repair location in the repair network, the unserviceable parts within the uninspected buffer being assigned to the third buffer at a third rate according to a third inspection sub-operation at the repair location; a fourth buffer for unserviceable parts inspected at the repair location and determined to be serviceable without repair, the unserviceable parts within the uninspected buffer being assigned to the fourth buffer at a fourth rate according to a fourth inspection sub-operation at the repair location; an unserviceable parts buffer for unserviceable parts encompassing the uninspected buffer, the first buffer, and the second buffer; and a serviceable parts buffer for serviceable parts encompassing the fourth buffer and a good parts buffer for serviceable parts available to be put to service to help satisfy a demand; for each of the plurality of repair locations, generate operation plans for the inspection sub-operations to push unserviceable parts out of the uninspected buffer to the first, second, third, and fourth buffers according to the first, second, third, and fourth rates, respectively, each inspection sub-operation having a predetermined disposition time, an unserviceable part that is pushed out of the uninspected buffer being available within the first, second, third, or fourth buffer only after the predetermined disposition time for the associated inspection sub-operation has elapsed; for each of the plurality of repair locations, generate an operation plan for each of one or more sourcing operations to push unserviceable parts out of the second buffer to one or more upstream repair locations, each upstream repair location being associated with a sourcing operation having a predetermined move lead time, an unserviceable part that is pushed out of the second buffer being available at an upstream repair location only after the predetermined move lead time for the associated sourcing operation has elapsed; for a particular repair location, for each unserviceable part pushed out of the uninspected buffer to the first or second buffer, estimate the earliest time at which a repair operation can begin for the unserviceable part at the particular repair location or an upstream repair location, this earliest repair time determining the earliest time at which, after the unserviceable part has been repaired to make it serviceable, the serviceable part can be available to satisfy a demand at the particular repair location; perform the modeling, generating, generating, and estimating being performed for each of a plurality of times within a planning horizon; and for each of a plurality of repair locations, track time-varying inventories of unserviceable parts in the unserviceable parts buffer and serviceable parts in the serviceable parts buffer, the unserviceable parts inventory being tracked separately from the serviceable parts inventory.
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Specification