scholarly journals DEVELOPMENT OF A MULTI-OBJECTIVE PRODUCTION PLANNING MODEL FOR A SAWMILL

2021 ◽  
Vol 27 (1) ◽  
pp. 21-32
Author(s):  
SEGUN ABIODUN ALONGE ◽  
CHRISTOPHER OSITA ANYAECHE
Keyword(s):  
Production Planning ◽  
Goal Programming ◽  
Production Cost ◽  
Programming Model ◽  
Sales Revenue ◽  
Goal Programming Model ◽  
Machine Utilization ◽  
Using Data ◽  
Operational Constraints ◽  
Production Plans

Based on the objectives set out for a Sawmill, a goal programming model was developed to simultaneously consider the production volumes goal, sales revenue goal, production cost goal, and machine utilization goal in order to develop its production plans for a horizon. The unwanted deviations from the goals served as the objective function to be optimized subject to the goals constraints, operational constraints, and non-negativity constraints. Three independent pre-emptive goal priority structures, GP1, GP2, and GP3, were considered with each prioritizing the objectives differently. The goal programming model was tested for its utility using data gathered from the mill to the three-goal priority structures. The results obtained indicated that, for GP1, the product volume goals for all products were achieved, and all but one, volume goals were achieved for both GP2 and GP3. The viability test showed that all priority structures used were profitable with GP1, GP2, and GP3 recording 1.099, 1.102, and 1.095 respectively. This indicates that the three priority structures considered are approximately profitable at the same level. The goal programming model for production planning offers the decision-maker a variety of options as to its application.

scholarly journals Hybrid Uncertainty-Goal Programming Model with Scaled Index for Production Planning Assessment

FinTech ◽  
2021 ◽  
Vol 1 (1) ◽  
pp. 1-24
Author(s):  
Junzo Watada ◽  
Nureize Binti Arbaiy ◽  
Qiuhong Chen
Keyword(s):  
Production Planning ◽  
Goal Programming ◽  
Optimization Problems ◽  
Programming Model ◽  
Business Goals ◽  
Target Values ◽  
Goal Programming Model ◽  
Quantitative Results ◽  
Hybrid Uncertainty ◽  
Fuzzy Random

Goal programming (GP) can be thought of as an extension or generalization of linear programming to handle multiple, normally conflicting objective measures. Each of these measures is given a goal or target value to be achieved. Unwanted deviations from this set of target values are then minimized in an achievement function. Production planning is an important process that aims to leverage the resources available in industry to achieve one or more business goals. However, the production planning that typically uses mathematical models has its own challenges where parameter models are sometimes difficult to find easily and accurately. Data collected with various data collection methods and human experts’ judgments are often prone to uncertainties that can affect the information presented by quantitative results. This study focuses on resolving data uncertainties as well as multi-objective optimization using fuzzy random methods and GP in production planning problems. GP was enhanced with fuzzy random features. Scalable approaches and maximum minimum operators were then used to solve multi-object optimization problems. Scaled indices were also introduced to resolve fuzzy symbols containing unspecified relationships. The application results indicate that the proposed approach can mitigate the characteristics of uncertainty in the analysis and achieve a satisfactory optimized solution.

scholarly journals Study Of Fuzzy Goal Programming Model To Production Planning Problems Approach

2021 ◽  
Vol 13 (2) ◽  
pp. 75-81
Author(s):  
Desi Vinsensia ◽  
Yulia Utami
Keyword(s):  
Production Planning ◽  
Goal Programming ◽  
Programming Model ◽  
Raw Materials ◽  
Labor Cost ◽  
Fuzzy Goal Programming ◽  
Planning System ◽  
Programming Approach ◽  
Goal Programming Model ◽  
Fuzzy Goal

The production planning system can provide satisfaction to the manufacture with the desire target and also with the available raw materials. In achieving the target of goals also face a situation of uncertainty (fuzzy). The aims of this study is proposed the model of fuzzy goal programming approach to optimize production planning system. In this model obtaining maximizing profit and revenue with consider minimize costs of labor cost, raw materials cost, time machine production, and also inventory cost. The numerical example is illustrate that the fuzzy goal programming model can optimize optimize production and profit according desired of decision maker.

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