Faculty of Engineering

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Has files: YesSubject: search.filters.subject.Multi-criteria Decision Making

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    Environmental performance evaluation in supply chain
    (SAGE Publications, 2013-03) Perera, P. S. T; Perera, H. S. C; Wijesinghe, T. M
    Environmental performance evaluation is an area of growing concern among the worldwide community. Consequently, measurements to evaluate environmental performance are of great importance. However, lack of a quantifiable model to study the environmental performance is a problem in this area. This study therefore attempts to quantify the environmental performance of supply chain of a manufacturing company, which requires evaluation of many criteria. Therefore, selection of environmental performance measures leads to a multi-criteria decision making problem. As a result, analytical hierarchy process is selected to develop the model and is solved with Expert Choice software. Finally the proposed model is applied to a case study company to identify the key areas of environmental performance of the company’s supply chain and to assess various product categories manufactured under those key areas.
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    Analytic hierarchy process for selection of ERP software for manufacturing companies
    (SAGE Publications, 2008-10) Perera, H. S. C; Costa, W. K. R
    Enterprise Resource Planning (ERP) systems are popular as an IT enabled tool, which integrates different functional areas of business. ERP systems are implemented as a total business solution that supports major functionalities of business. However, many of the implementations are not success stories. Most post implementation problems are due to the inappropriate selection of systems. This paper describes multi-criteria decision model using Analytic Hierarchy Process for the selection of ERP systems for manufacturing companies. First, ERP evaluation criteria are developed by using past literature and through a questionnaire distributed among Sri Lankan manufacturing companies. Seven major criteria are identified and under each criterion several sub-criteria are identified. Selection of the best suited ERP system leads to a multi-criteria decision making problem as ERP systems should be evaluated based upon many criteria. Using the identified main and sub criteria, an Analytic Hierarchy Process (AHP) model is developed for ranking the ERP software. An example of a case is presented to show the actual implementation of AHP model. Expert Choice software is used to solve this AHP model.