Journal ArticleDOI
Hierarchical Production-planning Systems: Extensions and Modifications
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This paper extends earlier hierarchical production-planning approaches initiated by Hax and Meal and incorporates both functional and hierarchical interfaces simultaneously as encountered in practice, and assures feasibility and consistency among the decisions made at the different hierarchical levels of the firm.Abstract:
This paper extends earlier hierarchical production-planning approaches initiated by Hax and Meal. The proposed model incorporates both functional and hierarchical interfaces simultaneously as encountered in practice, and assures feasibility and consistency among the decisions made at the different hierarchical levels of the firm. The problem of infeasibility which arises in disaggregating the aggregate production plan into detailed schedules is solved using goal programming at the product-family disaggregation level, and using branch and bound at the item-disaggregation level. The proposed approach minimizes backlogging regardless of the underlying cost structure of the problem at hand.read more
Citations
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Coordinated control of manufacturing/supply chains using multi-level techniques
TL;DR: In this paper, the authors considered the problem of optimizing the operation of an autonomous manufacturing/supply chain, where each level in the chain may add some delay in the materials' procurement due to the extra processing taking place or to the time required to supply the corresponding materials.
Journal ArticleDOI
A low-cost cellular mobile communication system: a hierarchical optimization network resource planning approach
TL;DR: This paper presents a three-level optimization approach for designing a cellular mobile system which determines the cell number, cell site allocation, and the specific base station parameters in order to minimize the total system cost and to comply with the required system performance.
Journal ArticleDOI
Hierarchical production planning and scheduling in a multi-product, batch process environment
Mohamed K. Omar,Siew C. Teo +1 more
TL;DR: In this paper, a three-level hierarchical production planning and scheduling approach for multi-product and identical parallel machines in a batch process environment is introduced, where a mixed-integer linear programming model is deployed at the top level of the hierarchy to solve the aggregate plans, where set-ups occur.
Journal ArticleDOI
Operations risk management by optimally planning the qualified workforce capacity
TL;DR: This work proposes a new way of dealing with operational risk, which relies on the well known aggregate planning model, and employs the dual solutions of the stochastic programs to detect periods and nodes that are at risk in terms of the expertise availability.
Journal ArticleDOI
An investigation on integration of aggregate production planning, master production scheduling and short-term production scheudling of batch process operations through a common data model
TL;DR: A prototype system has been developed by integrating two higher-level hierarchical production planning application programs (aggregate production plan (APP), master production schedule (MPS)) using a common data model integration approach into an existing planning system for short-term scheduling and supervisory batch management as mentioned in this paper.
References
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Journal ArticleDOI
Dynamic Version of the Economic Lot Size Model
Harvey M. Wagner,T. M. Whitin +1 more
TL;DR: Disjoint planning horizons are shown to be possible which eliminate the necessity of having data for the full N periods and desire a minimum total cost inventory management scheme which satisfies known demand in every period.
Posted Content
Hierarchical Integration of Production Planning and Scheduling.
Arnoldo C. Hax,Harlan C. Meal +1 more
TL;DR: The paper describes the development of a hierarchical planning and scheduling system for a multiple plant, multiple product, seasonal demand situation where optimal decisions at an aggregate level provide constraints for detailed decision making.
Journal ArticleDOI
Hierarchical Production Planning: A Single Stage System
TL;DR: This paper presents a hierarchical approach to plan and schedule production in a manufacturing environment that can be modeled as a single stage process, and several improvements in the methodology related to hierarchical production planning are suggested.
Journal ArticleDOI
A linear programming approach to production and employment scheduling
Fred Hanssmann,Sidney W. Hess +1 more
TL;DR: In this paper it is shown that a solution can be obtained by linear programming methods and this paper is of an expository nature.
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Hierarchical Integration of Production Planning and Scheduling.
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