Advanced Techniques for Maintenance Modeling and Reliability Analysis of Repairable Systems

Garima Sharma, PhD, completed her doctorate at Subir Chowdhury School of Quality and Reliability, Indian Institute of Technology Kharagpur, West Bengal, India. Her research interests include aerospace reliability and maintenance engineering, reliability, and risk analysis of reentry space vehicles. She has authored 10+ journal publications (SCI and Scopus indexed) including three international conferences and two book chapters. Rajiv Nandan Rai, PhD, is an accomplished engineer with over 28 years of experience in the field of reliability, quality, and maintenance engineering with an industrial experience of 23 years in the Indian Air Force, in which he has worked at all levels of maintenance, repair, and overhaul of aircraft, aero engines, and their components. He is currently an assistant professor at Subir Chowdhury School of Quality and Reliability, Indian Institute of Technology Kharagpur. He has authored 30 publications (SCI and Scopus indexed) including one book and four book chapters. His research interests include reliability analysis of repairable systems, maintenance engineering, quality management and engineering, machine diagnostics, and prognostics.

• List of Figures ixList of Tables xiiiPreface xv1 Maintenance, Repair, and Overhaul: A Preview 11.1 Introduction 11.2 Maintenance 31.3 Repair 231.4 Overhaul 291.5 Chapter Summary 34References 342 Repairable Systems: An Overview 372.1 Introduction to Repairable Systems and Its Terminologies 382.2 Maintenance Actions on Repairable Systems 442.3 Classifications of Maintenance Categories 462.4 Concept of Censoring 562.5 Problems Faced by the Industries: Present Scenario 572.6 Chapter Summary 61References 613 Imperfect Overhaul Virtual Age Model 653.1 Introduction 653.2 Need for an Imperfect Overhaul 663.3 Imperfect Overhaul Virtual Age Model (IOVAM) 683.4 Chapter Summary 78References 804 Techniques for Modeling and Analysis of Censored Data Considering the FM Approach 814.1 Introduction 814.2 Problem Background 834.3 Basic Terminologies 844.4 Representation and Analysis of Cases 864.5 Models for FM-Wise Censored Data Analysis for Repairable Systems 904.6 An Industrial Perspective of Technique 984.7 Chapter Summary 106References 1085 Methodology for Identifying HFRCs Considering Risk-Based Threshold on Intensity Function 1115.1 Introduction 1115.2 Methodology for Risk-Based Threshold on Intensity Function for HFRC Designation 1135.3 Chapter Summary 125References 1276 Progressive Maintenance Policy 1296.1 Introduction 1296.2 Progressive Maintenance Policy (PMP) 1306.3 PMP Methodology 1306.4 Chapter Summary 139References 1397 Age-Based Maintenance Policies for Repairable Systems 1417.1 Introduction 1417.2 Age-Based Policies for Repairable Systems 1417.3 Chapter Summary 149References 1508 Study and Modeling of Factors Affecting the REI of Repairable Systems 1518.1 Introduction 1518.2 Limitations of the Quantitative Assessment of RE 1528.3 Investigation of Factor/Subfactors Affecting RE 1548.4 Tool Chosen for the Analysis 1598.5 Chapter Summary 169References 170Appendix A 171Appendix B 173Appendix C 175Appendix D 177Appendix E 183Index 193