Reliability and Maintenance Modeling with Optimization

18A Postponed Repair Model for a Mission-Based System Based on a Three-Stage Failure Process

Jinting Wang

Central University of Finance and Economics, China

Nan Yang

Beijing Jiaotong University, China

CONTENTS

• 18.1 Introduction

• 18.2 Notations and Assumptions

• 18.3 Cost Model under the Proposed Policy

  • 18.3.1 Expected Number of Missions Successively Completed by t

  • 18.3.2 Three Renewal Cases and the Corresponding Occurrence Probabilities

    • 18.3.2.1 A Failure Renewal

    • 18.3.2.2 A Random Inspection Renewal

    • 18.3.2.3 A Periodic Inspection Renewal

  • 18.3.3 The Expected Renewal Cycle Cost

  • 18.3.4 The Expected Renewal Cycle Length

• 18.4 Three Maintenance Policies

• 18.5 Numerical Examples

• 18.6 Conclusions and Further Research

18.1 INTRODUCTION

Preventive ...