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عدد المساهمات : 18984 التقييم : 35458 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب An Introduction to Reliability and Maintainability Engineering الأربعاء 06 نوفمبر 2019, 9:57 pm | |
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أخوانى فى الله أحضرت لكم كتاب An Introduction to Reliability and Maintainability Engineering Charles E. Ebeling University of Dayton
و المحتوى كما يلي :
Content Preface Course Software 1 Introduction 1 The Study of Reliability and Maintainability 1.1.1 Reliability Improvement / 1.1.2 Random versus Deterministic Failure Phenomena Concepts, Terms, and Definitions Applications A Brief History Scope of the Text Appendix 1A A Probability Primer 1A.1 Random Events / 1A.2 Bayes’ Formula / 1A.3 Random Variables / 1A.4 Discrete Distributions / 1A.5 Binomial Distribution / 1A.6 Poisson Distribution / 1A.7 Continuous Distributions Part 1 Basic Reliability Models 2 The Failure Distribution 2.1 The Reliability Function 2.2 Mean Time to Failure 2.3 Hazard Rate Function 2.4 Bathtub Curve 2.5 Conditional Reliability 2.6 Summary Appendix 2A Derivation of Equation (2.8) Appendix 2B Derivation of Equation (2.12) Appendix 2C Conditional Reliability and Failure Rates Appendix 2D Intermediate Calculations for the Linear Bathtub Curve Appendix 2E Table of Integrals 2E.1 Indefinite Integrals / 2E.2 Definite Integrals Exercises 3 Constant Failure Rate Model The Exponential Reliability Function 3.2 Failure Modes 3.2.1 Failure Modes with CFR Model / 3.2.2 Failures on Demand 3.3 Applications 3.3.1 Renewal Process / 3.3.2 Repetitive Loading / 3.3.3 Reliability Bounds The Two-Parameter Exponential Distribution 3.5 Poisson Process 3.6 Redundancy and the CFR Model Exercises 41 Three-State Devices 5.6.1 Series Structure / 5.6.2 Parallel Structure I 5.6.3 Low-Level Redundancy / 5.6.4 High-Level Redundancy Exercises 1 6 State-Dependent-Systems 6.1 Markov Analysis 6.2 Load-Sharing System 6.3 Standby Systems 6.3.1 Identical Standby Units / 6.3.2 Standby System with Switching FailuresJ 6.3.3 ThreeComponent Standby System 6.4 Degraded Systems 6.5 Three-State Devices Appendix 6A Solution to Two-Component Redundant System Appendix 6B Solution to Load-Sharing System Appendix 6C Solution to Standby System Model Exercises 4 Time-Dependent Failure Models 4.1 The Weibull Distribution 4.1.1 Design Life, Median, and Mode / 4.1.2 Burn-In Screening for Weibull / 4.1.3 Failure Modes / 4.1.4 Identical Weibull Components / 4.1.5 The Three-Parameter Weibull / 4.1.6 Redundancy with Weibull Failures 4.2 The Normal Distribution 4.3 The Lognormal Distribution Appendix 4A Derivation of the MTTF for the Weibull Distribution Appendix 4B Derivation of the Mode for the Weibull Distribution Appendix 4C Minimum Extreme-Value Distribution Appendix 4D Elazard Rate for the TwoComponent Weibull Redundant System Exercises 7 Physical Reliability Models 7.1 Covariate Models 7.1.1 Proportional Hazards Models / 7.1.2 Location-Scale Models 7.2 Static Models 7.2.1 Random Stress and Constant Strength I 7.2.2 Constant Stress and Random Strength / 7.2.3 Random Stress and Random Strength 7.3 Dynamic Models 7.3.1 Periodic Loads / 7.3.2 Random Loads / 7.3.3 Random Fixed Stress and Strength 1 A Physics-of-Failure Models Exercises 5 Reliability of Systems Serial Configuration Parallel Configuration Combined Series-Parallel Systems 5.3.1 High-Level versus Low-Level Redundancy / 5.3.2 k-out-of-n Redundancy / 5.3.3 Complex Configurations System Structure Function, Minimal Cuts, and Minimal Paths (Optional) 5.4.1 Coherent Systems / 5.4.2 Minimal Path and Cut Sets / 5.4.3 System Bounds Common-Mode Failures 8 Design for Reliability 8.1 Reliability Specification and System Measurements 8.1.1 System Effectiveness / 8.1.2 Economic Analysis and Life-Cycle Costs 8.2 Reliability Allocation 8.2.1 Exponential Case / 8.2.2 Optimal Allocations / 8.2.3 ARINCMethod / 8.2.4 AGREE Method / 8.2.5 Redundancies x Contents ability / 10.2.3 Modularization and Accessibility / 10.2.4 Repair versus Replacement / 10.2.5 Proactive Maintenance Human Factors and Ergonomics Maintenance and Spares Provisioning 10.4.1 Finite Population Queuing Model with Spares / 10.4.2 Component Sparing Maintainability Prediction and Demonstration 10.5.1 Maintainability Prediction / 10.5.2 MaintainabiIity Demonstration Appendix 10A Birth-Death Queuing Model Exercises 8.3 Design Methods 8.3.1 Parts and Material Selection / 8.3.2 Derating / 8.3.3 Stress-Strength Analysis / 8.3.4 Complexity and Technology / 8.3.5 Redundancy Failure Analysis 8.4.1 System Definition / 8.4.2 Identification of Failure Modes / 8.4.3 Determination of Cause / 8.4.4 Assessment of Effect / 8.4.5 Classification of Severity / 8.4.6 Estimation of Probability of Occurrence / 8.4.7 Computation of Criticality Index / 8.4.8 Determination of Corrective Action System Safety and Fault Tree Analysis 8.5.1 Fault Tree Analysis / 8.5.2 Minimal Cut Sets / 8.5.3 Quantitative Analysis Exercises 11 Availability 254 Concepts and Definitions 11.1. 1 Inherent Availability / 11.1.2 Achieved Availability / 11.1.3 Operational Availability / 11.1.4 Generalized Operational Availability Exponential Availability Model System Availability 11.3.1 Availability with Standby Systems / 11.3.2 Steady-State Availability / 11.3.3 Matrix Approach Inspection and Repair Availability Model Design Trade-Off Analysis 11.5.1 Maintainability Allocation / 11.5.2 Economic Analysis / 11.5.3 Concave Costs / 11.5.4 Convex Cost Functions / 11.5.5 Profit and LifeCycle Cost Trade-Offs Appendix 11A Solution to Single Unit with Repair Model Exercises 9 Maintainability Analysis of Downtime The Repair-Time Distribution 9.2.1 Exponential Repair Times / 9.2.2 Lognormal Repair Times Stochastic Point Processes 9.3.1 -Renewal Process / 9.3.2 Minimal Repair Process / 9.3.3 Overhaul and Cycle Time System Repair Time Reliability under Preventive Maintenance State-Dependent Systems with Repair Appendix 9A i; The MTTF for the Preventive Maintenance Model Appendix 9B Solution to the Active Redundant System with Repair Appendix 9C , Solution to Standby System with Repair Exercises Part 2 The Analysis of Failure Data 12 Data Collection and Empirical Methods 12.1 Data Collection 12.2 Empirical Methods 12.2.1 Ungrouped Complete Data / 12.2.2 Grouped Complete Data / 12.2.3 Ungrouped Censored Data / 12.2.4 Grouped Censored Data 12.3 Static Life Estimation Exercises 10 Design for Maintainability 283 10.1 Maintenance Requirements 10.1.1 Measurements and Specifications / 10.1.2 Maintenance Concepts and Procedures / 10.1.3 Component Reliability and Maintainability 14L2 Design Methods 10.2.1 Fault Isolation and Self-Diagnostics / 10.2.2 Parts Standardization and Interchange' s 15.4 Confidence Intervals 15.4.1 Confidence Intervals for the Constant Failure Rate Model / 15.4.2 Confidence Intervals for Other Distributions 15.5 Parameter Estimation for Covariate Models Appendix 15A Weibull Maximum Likelihood Estimator Appendix 15B Weibull MLE with Multiply Censored Data Appendix 15C MLE for Normal and Lognormal Distributions with Censored Data Exercises Reliability Testing 13.1 Product Testing 13.2 Reliability Life Testing 13.3 Test Time Calculations 13.3.1 Length of Test 13.4 Burn-In Testing 13.5 Acceptance Testing 13.5.1 Binomial Acceptance Testing / 13.5.2 Sequential Tests 13.6 Accelerated Life Testing 13.6.1 Number of Units on Test / 13.6.2 Accelcrated Cycling / 13.6.3 Constant-Stress Models / 13.6.4 Other Acceleration Models 13.7 Experimental Design 13.8 Competing Failure Modes Appendix 13A Derivation of Expected Test Time Appendix 13B Expected Test Time (Type II Testing) Exercises 16 Goodness-of-Fit Tests 16.1 Chi-Square Goodness-of-Fit Test 16.2 Bartlett’s Test for the Exponential Distribution 16.3 Mann’s Test for the Weibull Distribution 16.4 Kolmogorov-Smirnov Test for Normal and Lognormal Distributions 16.5 Tests for the Power-Law Process Model 16.6 On Fitting Distributions Exercises 14 Reliability Growth Testing 14.1 Reliability Growth Process 14.2 Idealized Growth Curve 14.3 Duane Growth Model 14.4 AMSAA Model 14.4.1 Parameter Estimation for the Power Law Intensity Function 14.5 Other Growth Models Exercises 343 Part 3 Application 17 Reliability Estimation and Application 17.1 Case 1: Redundancy 17.2 Case 2: Burn-In Testing 17.3 Case 3: Preventive Maintenance Analysis 17.4 Case 4: Reliability Allocation 17.5 Case 5: Reliability Growth Testing 17.6 Case 6: Repairable System Analysis 17.7 Case 7: Multiply Censored Data 15 Identifying Failure and Repair Distributions I 423 15.1 Identifying Candidate Distributions 15.2 Probability Plots and Least-Squares CurveFitting 15.2.1 Exponential Plots / 15.2.2 Weibull Plots / 15.2.3 Normal Plots / 15.2.4 Lognormal Plots / 15.2.5 Multiply Censored Time Plots 15.3 Parameter Estimation 15.3.1 Maximum Likelihood Estimator / 15.3.2 Exponential MLE / 15.3.3 Weibull MLE / 15.3.4 Normal and Lognormal MLEs / 15.3.5 Maximum Likelihood Estimation with Multiply Censored Data 15.3.6 Location Parameter Estimation 18 Implementation 18.1 Objectives, Functions, and Processes 18.2 The Economics of Reliability and Maintainability and System Design 18.2.1 Life-Cycle Cost Model / 18.2.2 Minimal Repair 18.3 Organizational Considerations 18.4 Data Sources and Data Collection Methods 18.4.1 Field Data / 18.4.2 Process Reliability cmd Operational Failures / 18.4.3 External Data Sources 18.5 Product Liability, Warranties, and Related Matters 18.6 Software Reliability 445 447 References 449 Appendix 455 Index
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