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1.
The role of maintenance regarding improving product quality and company's profitability
Damjan Maletič, Matjaž Maletič, Basim Al-Najjar, Boštjan Gomišček, 2012, objavljeni znanstveni prispevek na konferenci

Opis: This paper presents a study, which examines the role of maintenance regarding improving product quality and companyŽs profitability. The empirical data for this study was drawn from a Slovenian company in order to address the researchproblem. The main results of the case study showed, that 3.22 % of profit could be generated at weaving machine, if all unplanned stoppages and loss of quality due to decrease in the productivity would be prevented. Results also showed that due to productivity improvement, quality rate would be improved for approximately 2 %. These Žndings therefore, indicate that maintenance has impact on product quality and companyŽs profitability. Thus, these findings also acknowledge maintenanceŽs potential of increasing the overall profit.
Ključne besede: vzdrževanje, kakovost, produktivnost, dobičkonosnost, maintenance, quality, productivity, profitability
Objavljeno: 10.07.2015; Ogledov: 749; Prenosov: 28
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2.
An application of analytic hierarchy process (AHP) and sensitivity analysis for maintenance policy selection
Damjan Maletič, Matjaž Maletič, Viktor Lovrenčič, Basim Al-Najjar, Boštjan Gomišček, 2014, izvirni znanstveni članek

Opis: Purpose: The purpose of this paper is to apply an analytic hierarchy process (AHP) for the evaluation/selection of maintenance policy. Methodology/Approach: The paper adopts a case study approach of selecting most appropriate maintenance policy in the case of Slovenian paper mill company. Several steps of the AHP method are used in order to structure the decision-making process. Five possible alternatives are considered: failure based maintenance, preventive maintenance, total productive maintenance, reliability centered maintenance and total quality maintenance. Findings: This paper proposes a framework for maintenance policy selection based on the AHP methodology. The framework was applied to select the most appropriate maintenance policy in a paper mill company. The results suggest that total quality maintenance is the most suitable concept for a paper machine. By performing a sensitivity analysis, it was revealed that the final outcome remained stable in all cases when the weights of the main criteria were increased for 25 percent. Originality/value: The paper contributes to the literature by providing a framework for decision-making process regarding the maintenance policy selection. In addition, this paper utilizes an exponentially weighted moving average (EWMA) chart for performing a consistency test. Moreover, a sensitivity analysis also presents an important implication of this study.
Ključne besede: analytical hierarchy process, decision making, maintenance policy
Objavljeno: 03.04.2017; Ogledov: 526; Prenosov: 151
.pdf Celotno besedilo (729,01 KB)
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3.
Contingency factors influencing implementation of physical asset management practices
Damjan Maletič, Matjaž Maletič, Basim Al-Najjar, Katerina Gotzamani, Maria Gianni, Kalinowski, Boštjan Gomišček, 2017, izvirni znanstveni članek

Opis: Purpose: The purpose of this empirical study is to examine the role of two contingency factors, i.e. uncertainty and competitiveness in relation to physical asset management (PAM) practices as well as to maintenance key performance indicators. The research is based on a premise that PAM, which was defined by risk management practices, performance assessment practices, life cycle management practices, and policy & strategy practices, has become an indispensable element of strategic thinking of asset owners as well as maintenance and asset managers. The purpose of this study is to advance the understanding of how organizations that face high or low level of uncertainty and competitiveness respond in terms of PAM deployment. Methodology/Approach: This study employed a data set based on a large-scale survey among organizations in six European countries (i.e. Slovenia, Poland, Greece, Sweden, Turkey and Slovakia). Data were collected from 138 organizations located in the above-mentioned countries to conduct the study. Findings: The results show that organizations that are faced with high level of uncertainty and competitiveness are more engaged in the deployment of PAM practices. Moreover, results show that when organizations are facing high levels of competitiveness they are using KPIs to a greater extent than organizations under low levels of competitiveness. Originality/value: From a theoretical perspective, this study contributes to the contingency theory by providing empirical evidence whether a context-dependent approach to PAM is needed. The findings also provide insights for managers on how to respond to the competitive pressure as well as how to customize PAM practices in order to adapt to the changes in dynamic organizational environment.
Ključne besede: physical asset management, maintenance, uncertainty, competitiveness
Objavljeno: 06.04.2017; Ogledov: 640; Prenosov: 173
.pdf Celotno besedilo (675,00 KB)
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4.
INTERACTION BETWEEN QUALITY MANAGEMENT, PRODUCTION AND MAINTENANCE PERFORMANCE
Damjan Maletič, 2015, doktorsko delo/naloga

Opis: Many organisations invest a considerable amount of capital and resources, implementing new techniques to improve their performance. An effective management of production and maintenance and processes is vital for economic viability and a long term survival of many industries. In fact, an effective and efficient maintenance process is essential to assure asset performance. With this recognition, the asset and maintenance management has become an indispensable element of strategic thinking of asset owners and asset managers. This research aims to investigate the interaction between quality management, production and maintenance performance. The relevant theoretical foundations and research gaps are presented first, followed by development of a conceptual framework. The framework builds upon resource-based theory (RBT) literature to develop a conceptual framework, mainly to understand how company’s resources could contribute to company’s performance. Based on this theoretical underpinning two main research streams are studied, namely quality management in maintenance and asset management. Different sources of data were utilized to answer the proposed research questions. The thesis includes two large-scale surveys (among Slovenian organizations as well as an international survey conducted in Slovenia, Sweden, Poland, Slovakia, Greece and Turkey) and two empirical case studies. The outcome of regression analysis provides the evidence that quality management orientation is an important predictor of maintenance performance. By testing the impact of quality management orientation on maintenance performance, this research shows that strong foundation on quality management orientation is an effective way of improving maintenance performance. Further, by examining continuous improvement in relation to maintenance performance, this research seeks to examine the role of quality management practices in achieving maintenance performance. In this regard it was found that continuous improvement significantly and positively affects the maintenance performance. In addition, results of this research revealed a mediator effect of continuous improvement on the relationship between quality management orientation and maintenance performance. Moreover, this research examines the relationship between physical asset management practices and sustainability and operational performance as well. The research is based on a premise that asset management, which comprises of risk management practices, performance assessment practices, life cycle management practices, policy & strategy practices, leads to improved organizational performance. The results of this research provide the evidence to support the hypotheses and to demonstrate that organizations can benefit from the implementation of asset management practices. The MANOVA furthermore provides interesting insights into the effects of asset management practices on the organizational performance. The results indicate that there are significant mean differences in organizational performance dimensions (as measured by the business performance, environmental performance, social performance and operational performance) for low and high levels of asset management practices. Therefore, by focusing on asset management practices, organizations can expect to achieve higher performance outcomes. In addition a comparison between Slovenian and Polish data subset was performed. The results revealed some distinct elements, namely regarding the performance outcome. For example, the results indicate that Slovenian organizations achieved higher scores in business, environmental and operational performance, while Polish organizations achieved higher scores in social performance.
Ključne besede: quality management, asset management, maintenance, production, performance
Objavljeno: 12.06.2018; Ogledov: 465; Prenosov: 37
.pdf Celotno besedilo (2,97 MB)

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