Capacity constraints in multi-stage production-inventory systems applying material requirements planning theory

PROFIL 5:  Önne, S, Finansiering av enskilda innovationer, Linköping 1979 (ISBN 91-970074-8-X).......Page 0
Thi Thu Thuy Huynh......Page 1
BookmarkTitle:......Page 7
1......Page 10
1.1 Background and Motives......Page 11
1.2 Objectives......Page 14
1.3 Limitations......Page 15
1.4 Outline and Scientific Contribution......Page 17
2.1 Capacity-Constrained Multi-Stage Production Planning and Inventory Control......Page 21
2.1.1 Deterministic Demand......Page 22
2.1.3 Models Applied in Industry.......Page 24
2.2 The Application of MRP Theory Employing Laplace Transform and Input-Output Analysis to Multi-Level Multi-Stage Production and Inventory Systems......Page 25
2.3 Capacity-Constrained Multi-Level Multi-Stage Production Inventory Systems – Some Notation and Explanations.......Page 26
3  ANALYSIS OF STANDARD ORDERING POLICIES WITHIN THE FRAMEWORK OF MRP THEORY......Page 31
BookmarkTitle:......Page 33
3.1.2 Properties of Cumulative Requirements......Page 34
3.2.1 Lot-For-Lot (L4L) policy......Page 37
3.2.2 Fixed Order Quantity (FOQ) case......Page 38
3.2.3 Fixed Period Requirements (FPR) case......Page 39
3.3 Solutions to Non-Negativity Conditions for Available Inventory with Requirements as Discrete Events......Page 40
3.4 Solutions to Non-Negativity Conditions for Available Inventory with Requirements as Continuous Events......Page 43
3.5 Optimal FOQ and Optimal FPR when External Demand is Stochastic......Page 46
3.6 Summary......Page 51
4.1 Problem Formulation......Page 53
4.2 Heuristic Method......Page 55
4.2.2 Moving Procedure......Page 56
4.2.3 Reduction Procedure......Page 61
4.2.4 Improvement Procedure......Page 62
4.3 Numerical Examples......Page 63
4.4 Conclusion......Page 67
5  CAPACITATED PRODUCTION-INVENTORY SYSTEMS IN DISCRETE TIME WITH NON-ZERO LEAD TIMES......Page 69
5.1 Assumptions and Notation......Page 70
5.2 Basic Model......Page 71
5.3 Numerical Examples......Page 75
5.4 Summary......Page 81
6  THEORY FOR NON-ZERO LEAD TIMES EXTENDED TO CONTINUOUS TIME FRAMEWORK......Page 83
6.1 Assumptions and Notation......Page 84
6.2 Objective Function and Constraints......Page 85
6.3 Preliminary Example: One Product Case and Constant Demand......Page 88
6.4 Multi-Item Case with Deterministic External Demand and Given Capacity Limits......Page 94
6.5.1 Two-level Serial Product Structure.......Page 96
6.5.2 Three-level Product Structure......Page 98
6.6 Summary......Page 100
7   CAPACITY-CONSTRAINED PRODUCTION-INVENTORY SYSTEMS WITH NON-ZERO LEAD TIMES IN CONTINUOUS TIME AND WITH STOCHASTIC DEMAND......Page 102
7.1 Objective Function and Constraints......Page 104
7.2 Dynamic Programming Solution Procedure......Page 105
7.3 Interpretation of the State and Other Entities......Page 107
7.4 Summary......Page 109
8.1 Introduction......Page 111
8.2 Production Planning and Capacity Constraint Problems.......Page 114
8.3 Some Observations and Suggestions......Page 120
9   CONCLUSIONS AND SUGGESTIONS FOR FURTHER STUDIES......Page 122
9.1 Summary and Conclusions......Page 123
9.2 Suggestions for Further Studies......Page 125