Production capability simulating system and method
First Claim
1. A production capability simulating system for simulating rough-cut capacity planning (RCCP) and material requirements planning (MRP) of a manufacturing enterprise in order to make master production schedules (MPSs), the production capability simulating system comprising:
- at least one client computer;
a database server;
an MPS management server, comprising;
a data retrieving module for obtaining data from external information systems;
an MPS generating module for generating an original MPS, and for amending the original MPS to be an optimized MPS; and
a simulating module for simulating the RCCP and the MRP based on the original MPS; and
a network interconnecting the at least one client computer, the database server, and the MPS management server.
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Abstract
A system and method for simulating production capability is provided. The production capability simulating system can simulate rough-cut capacity planning (RCCP) and material requirements planning (MRP) of a manufacturing enterprise, and make main production schedule (MPS) accordingly. The system includes a plurality of client computers (3), an MPS management server (1), a database server (4) and a communication network (2) interconnecting the plurality of client computers, the database server, and the MPS management server. The MPS management server obtains data from external information systems by use of a data retrieving module (100), and generates an original MPS based on the obtained data for simulating the RCCP and the MRP. The original MPS is amended to be an optimized MPS according to the simulating results. Employing the present production capability simulating system, users can amend MPS in time by simulating RCCP and MRP and arrange production schedules efficiently.
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Citations
11 Claims
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1. A production capability simulating system for simulating rough-cut capacity planning (RCCP) and material requirements planning (MRP) of a manufacturing enterprise in order to make master production schedules (MPSs), the production capability simulating system comprising:
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at least one client computer;
a database server;
an MPS management server, comprising;
a data retrieving module for obtaining data from external information systems;
an MPS generating module for generating an original MPS, and for amending the original MPS to be an optimized MPS; and
a simulating module for simulating the RCCP and the MRP based on the original MPS; and
a network interconnecting the at least one client computer, the database server, and the MPS management server. - View Dependent Claims (2, 3)
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4. A production capability simulating method, the method comprising the steps of:
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(a) selecting an original MPS to be simulated;
(b) selecting a simulation mode;
(c) simulating the original MPS and generating simulation results;
(d) generating a simulation report based on the simulation results;
(e) determining whether there are one or more contingencies that require rescheduling of the original MPS;
(f) amending the original MPS if there are said contingencies, and returning to step (c) regarding the amended MPS; and
(g) generating an optimized MPS if there are no said contingencies or when said contingencies have been eliminated by applicable previous steps hereof, and generating weekly production schedules based on the optimized MPS. - View Dependent Claims (5, 6, 7, 8, 9, 10)
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11. A production capability simulating method comprising:
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(a) retrieving relevant data;
(b) maintaining MPS (Master Production Schedule) parameters;
(c) generating an original MPS;
(d) simulating RCCP (Rough-Cut Capacity Planning) and MRP (Material Requires Planning);
(e) amending the original MPS based upon a simulation result, if required; and
(f) Generating an optimized MPS.
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Specification