Method and apparatus for assigning a plurality of work projects
First Claim
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1. A computer implemented method for assigning a plurality of work-projects to be performed by a plurality of workers, each work-project having specified requirements for completion of the work-project and each worker having associated therewith specified capabilities for performing said work-projects, said method comprising the steps of:
- (a) receiving on a computer both actual and forecast work-project data identifying a work-project j, including the skill requirements required for said work-project, and a time-commitment for completing said work-project,(b) receiving on a computer worker data identifying a worker i, including skill set for said worker and the hours available h(i) for said worker,(c) producing on a computer a first assignment of a work-project using linear programming to one of said workers by matching the skill requirements of each actual and forecast work-project with the skill set for said worker, and limiting the hours of said worker i to less than or equal to h(i),(d) deferring each work-project not assigned in step (c),(e) producing a second assignment of a work-project to a worker by matching the skill requirements of each actual work-project with the skill set for each worker, and limiting the hours of each worker i to less than or equal to h(i),(f) deferring each work-project not assigned in step (e),(g) assigning using linear programming each work-project not deferred in step (f) to one of said workers, by matching the skill requirement of a work-project to the skill set of said worker, limiting the hours of said worker i to less than or equal to h(i), minimizing the aggregate travel time for said worker to reach the site of each work-project, and ignoring work-project time-commitments, producing a third assignment of work-projects to said worker,(h) ordering by time the third assignment of work-projects of step (g) for each worker,(i) comparing the time-commitment of each work-project to the ordering by time of step (h), and selecting those work-projects whereby the time-commitment has been exceeded, and(j) correcting the assignment of a work project selected in step (i).
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Abstract
An apparatus and computerized method of assigning workers to a plurality of work-projects, utilizing linear programminig is disclosed. The linear programming formulations forecast the adequacy of the workforce, assigning workers so as to maximize scheduling of appointments while minimizing the aggregate travel time of workers to reach the work-project sites.
176 Citations
6 Claims
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1. A computer implemented method for assigning a plurality of work-projects to be performed by a plurality of workers, each work-project having specified requirements for completion of the work-project and each worker having associated therewith specified capabilities for performing said work-projects, said method comprising the steps of:
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(a) receiving on a computer both actual and forecast work-project data identifying a work-project j, including the skill requirements required for said work-project, and a time-commitment for completing said work-project, (b) receiving on a computer worker data identifying a worker i, including skill set for said worker and the hours available h(i) for said worker, (c) producing on a computer a first assignment of a work-project using linear programming to one of said workers by matching the skill requirements of each actual and forecast work-project with the skill set for said worker, and limiting the hours of said worker i to less than or equal to h(i), (d) deferring each work-project not assigned in step (c), (e) producing a second assignment of a work-project to a worker by matching the skill requirements of each actual work-project with the skill set for each worker, and limiting the hours of each worker i to less than or equal to h(i), (f) deferring each work-project not assigned in step (e), (g) assigning using linear programming each work-project not deferred in step (f) to one of said workers, by matching the skill requirement of a work-project to the skill set of said worker, limiting the hours of said worker i to less than or equal to h(i), minimizing the aggregate travel time for said worker to reach the site of each work-project, and ignoring work-project time-commitments, producing a third assignment of work-projects to said worker, (h) ordering by time the third assignment of work-projects of step (g) for each worker, (i) comparing the time-commitment of each work-project to the ordering by time of step (h), and selecting those work-projects whereby the time-commitment has been exceeded, and (j) correcting the assignment of a work project selected in step (i). - View Dependent Claims (2, 3, 4, 5)
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6. An automated machine apparatus for assigning a plurality of work-projects to be performed by a plurality of workers, each work-project having specified requirements for completion of the work-project and each worker having associated therewith specified capabilities for performing said work-projects, said apparatus comprising:
- (a) means for receiving both actual and forecast work-project data identifying a work-project j, including the skill requirements required for said work-project, and a time-commitment for completing said work-project,
(b) means for receiving worker data identifying a worker i, including skill set for said worker and the hours available h(i) for said worker, (c) a first linear programming means for producing a first assignment of a work-project to a worker by matching the skill requirements of each actual and forecast work-project with the skill set for each worker, and limiting the hours of each worker i to less than or equal to h(i), (d) means for deferring each work-project not assigned in step (c), (e) a second linear programming means for producing a second assignment of a work-project to a worker by matching the skill requirements of each actual work-project with the skill set for each worker, and limiting the hours of each worker i to less than or equal to h(i), (f) means for deferring each work-project not assigned in step (e), (g) a third linear programming means for assigning each work-project not deferred in step (f) to a worker, by matching the skill requirement of a work-project to the skill set of a worker, limiting the hours of each worker i to less than or equal to h(i), minimizing the aggregate travel time for said worker to reach the site of each work-project, ignoring work-project time-commitments, and producing a third assignment of work-projects to each worker, (h) means for ordering by time the third assignment of work-projects of step (g) for each worker, (i) means for comparing the time-commitment of each work-project to the ordering by time of step (h), and selecting those work-projects whereby the time-commitment has been exceeded, (j) means for correcting the assignment of a work project selected in step (i).
- (a) means for receiving both actual and forecast work-project data identifying a work-project j, including the skill requirements required for said work-project, and a time-commitment for completing said work-project,
Specification