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All Journal Jurnal Rekayasa Sistem Industri Indonesian Journal of Industrial Engineering & Management
Victor Chidiebere Maduekwe
University of Lagos, Lagos, Nigeria
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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The Application of the EDAS Method in the Parametric Selection Scheme for Maintenance Plans in the Nigerian Food Industry Victor Chidiebere Maduekwe; Sunday Ayoola Oke
Jurnal Rekayasa Sistem Industri Vol. 11 No. 1 (2022): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (727.548 KB) | DOI: 10.26593/jrsi.v11i1.4349.1-22

Abstract

Nowadays, maintenance performance in organizations has become compelling due to competitiveness in the global market and the inclusion of more legislation issues (such as safety and health regulations) in assessments. In this article, the purpose is to formulate in maintenance problem for a food processing unit as a multicriteria problem and solve it using the evaluation based on distance from the average solution (EDAS) method. To attain this purpose, the authors defined a set of weighted criteria and a set of alternatives, and the solution is the alternative that scores the best in those criteria. Consequently, analysis was done based on the EDAS method and the calculated results from the literature data. Consequently, the parameters considered include the frequency of failure, MTBF, MTTF and MTTR while availability is the response. The EDAS method was used to select the best alternative (MTTR, 0.8802) and this score of 0.8802 is for an alternative. The chief novelty of this article is the unique introduction of an innovative EDAS method, which requires only two measures of the desirability of alternative (positive and negative distances from the average solution) but excluded the evaluation of the idea and nadir solutions for the key performance indicators of maintenance. Consequently, this study initiates a maintenance plan for the food industry referring to the key performance indicators as a cause for poor availability of equipment in the Nigerian food industry.
Cause-and-Effect Relationship Analysis of Cocoa Pod Husk Composites in Water Absorption Process Parametric Evaluation: A DEMATEL Approach Isaac Temitope Abiola; Victor Chidiebere Maduekwe; Sunday Ayoola Oke
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 2, No 1: February 2021
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v2i1.10225

Abstract

Polymer composites are expanding in scope and applications to water-based structures such as the ship's hull in ship vessels due to their resistance to water and satisfactory mechanical properties. Unforunately, few studies have tackled their water absorption properties. In this paper, a novel method, DEMATEL, is used to analyse the conflicting water absorption process parameters of cocoa pod husk composite using the cause and effect associations of the parameters. The parameters considered are particulate loading, initial weight, particulate weight, the weight of the matrix, and weight after 150 days and rate of water absorption. A comparison scale explains the extent of influence of a criterion on the other. The direct relationship matrix is normalized and the total relation matrix generated to procedure a causal diagram. The most fascinating findings of the study are the differences between the sum of row and columns, which places particulate weights as the most appealing, 1.0798, while the rate of water absorption as the least appealing criterion. Besides, the sum of the row and column that yields the most attractive results is the particulate weight (5.4982) while the least attractive result is the rate of water absorption (3.5436). The novelty of this work lies in the application of DEMATEL structure to examine contextual associations between the essential pointers of water absorption process parameters, for cocoa pod husk composites in the water environment. To our knowledge, it is the first type of work in this area on the selected agro-filler-based composite.
An Evaluation of Water Absorption Process Parameters for Composites by Deploying A Novel DEMATEL Method-PROMETHEE Method Victor Chidiebere Maduekwe; Sunday Ayoola Oke
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 2, No 2: June 2021
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v2i2.11438

Abstract

Parametric ranking and selection in water absorption process of composite development are obligatory as they guide on resource distribution during the planning phase of composite development. However, the present literature model seems inaccurate as the PROMETHEE method fails to offer the likelihood of structuring the water absorption problem making it challenging to achieve a concise problem viewpoint and assess the results without difficulty. In this paper, the DEMATEL method is introduced to assign weights, revealing a cause and effect mechanism to overcome the aforementioned problem. The coupling point of the DEMATEL method-PROMETHEE method is at the weight determination of the DEMATEL method and the net outranking results are the final output of the model. Based on literature data, the DEMATEL method produced weights of 0.182, 0.114, 0.290, 0.242 and 0.244 for the parameters of final weight, initial weight, length, thickness and time, respectively. The PROMETHEE procedure yields the outranking results of -0.2166, -0.2742 and -0.0079 for the length, thickness and time, revealing time as the best parameter. The proposed method is user-friendly, complete in outranking, successful in real-world applications and capable to establish the cause and effect series constituent of the complicated water absorption system. The usefulness of this research is to help composite developers to achieve effective distribution of resource and decision regarding priority of parameters, leading to lean and effective manufacturing outcomes.
Co-Authors Isaac Temitope Abiola Sunday Ayoola Oke