Most recent volume


Volume . Reliability Based Aircraft Maintenance Optimization and Applications

Published: 21st March 2017 Authors: He Ren Xi Chen Yong Chen

Reliability Based Airframe Maintenance Optimization
Table of Contents
List of Figures
List of Tables
Abbreviation
1 INTRODUCTION
1.1 Challenges of Modern Developing Commercial Aircraft
1.2 Evolution of Aircraft Maintenance Process
1.3 Aircraft Composite Structures
1.4 Reliability-Centred Maintenance
1.4.1 Reliability Design
1.4.2 Reliability Centered Maintenance
1.5 MSG-3 Structural Analysis
1.6 A380 Maintenance Programs
1.7 Summary 
2 BASIC CONCEPT
2.1 Accident
2.1.1 Accident in aviation
2.1.2 Accident category in aviation
2.2 Near misses
2.3 Risk
2.4 Safety
2.5 Reliability
2.6 Risk management
2.7 Incident
2.8 Airworthiness
2.9 Quality
2.10 Airworthiness
2.11 Availability
2.12 Aircraft Maintenance
2.13 Sources and Types of Failure in Aircraft
2.13.1 Mechanisms of Failure
2.13.2 Causes of Failure
2.13.3 Sources of Failure
2.14 Maintenance System and Tasks
2.14.1 Servicing
2.15 Component Servicings
2.16 Overhaul
2.17 Bay Servicing
2.17.1 Repair
2.17.2 Modification
2.18 Replacement/Throwaway
2.19 Functional Testing
2.20 Calibration
2.21 Non-Destructive Evaluation (NDE)
2.22 Avionics Maintenance
2.23 Software Maintenance
2.24 Interdependence of Operations and Maintenance
2.24.1 Factors Affecting the Airline's Maintenance System
2.24.2 Factors Affecting the Military Maintenance System
3 AIRCRAFT RELIABILITY AND MAINTAINABILITY ANALYSIS AND DESIGN
3.1 Reliability fundamental mathematics
3.1.1 Density function
3.1.2 Failure probability function
3.1.3 Failure rate
3.1.4 Reliability function
3.1.5 Bath-tub curve
3.1.6 MTTF
3.2 Some Common Failure Distributions
3.2.1 Exponential distribution
3.2.2 Weibull distribution
3.2.3 Normal distribution
3.2.4 Lognormal distribution
3.2.5 Summary of often used distributions
3.3 Binary System Reliability Models
3.3.1 Series system
3.3.2 Parallel system
3.3.3 Standby redundancy system
3.4 Mechanical Reliability - Stress-strength Interference Model
3.4.1 Introduction of theory
3.4.2 Analytical Results
3.4.3 Example
3.5 Fuzzy Reliability Theory
3.5.1 Irrationality of conventional reliability theory
3.5.2 Fuzzy reliability basic theories
3.5.3 Fuzzy reliability
3.5.4 Fuzzy failure rate
3.5.5 Fuzzy MTBF
3.6 Hardware Reliability
3.6.1 Failure Mechanisms and Damage Models
3.6.2 Incorrect mechanical performance
3.6.3 Incorrect thermal performance
3.6.4 Incorrect electrical performance
3.6.5 Electromagnetic interference
3.6.6 Particle radiation
3.6.7 Yield
3.6.8 Buckling
3.6.9 Fracture
3.6.10 Interfacial Deadhesion
3.6.11 Fatigue
3.6.12 Creep
3.6.13 Wear
3.6.14 Aging due to interdiffusion
3.6.15 Aging Due To Particle Radiation
3.6.16 Other Forms of Aging
3.6.17 Corrosion
3.6.18 Metal Migration
3.7 Maintainability Analysis and Design
3.7.1 Definitions Used in Maintainability Engineering
3.7.2 Measurements
3.7.3 Maintainability function
3.7.4 Often used maintainability distributions
3.7.5 Availability models
3.7.6 Effectiveness models
3.8 Specification of Maintainability [28]
3.8.1 Quantitative maintainability clauses
3.8.2 Qualitative maintainability requirements
3.8.3 Choice of a maintainability characteristic
3.9 Assessment and prediction of maintainability
3.9.1 Maintainability prediction [29]
3.9.2 Prediction advantages
3.9.3 Techniques
3.9.4 Basic assumptions and interpretations
3.9.5 Elements of maintainability prediction techniques
3.10 Maintainability Design: the affected factors
3.11 Maintainability Design: criteria
3.12 Maintainability Design: allocation
3.13 Maintainability design -Limiting clearance [30]
3.14 Maintainability design -Accessibility
3.15 Maintainability design -Packaging
3.16 Maintainability design -Standardization and interchange ability
3.17 Maintainability design -Installation-components arrangement
3.18 Maintainability design -General criteria-example
3.19 Maintainability Demonstration and Testing [31]
3.19.1 Maintainability testing program
3.19.2 Maintainability demonstration
3.19.3 Test conditions
3.19.4 Maintenance task selection
3.20 Maintainability and Reliability Program Activities during the  Phases of a Project [32]
3.20.1 Definition phase
3.20.2 Design and development (including initial manufacture)
3.20.3 Production
3.20.4 Installation and commissioning
3.20.5 Operation-Usage and maintenance
3.21 Maintainability Management
3.21.1 Responsibilities interface of Maintainability and Maintenance [33]
3.21.2 Maintainability Analysis
3.21.3 Maintainability design
3.21.4 Maintainability administration
4 RCM AND INTERGRATED LOGISTIC SUPPORT
4.1 Introduction
4.2 Maintenance Analysis Procedures
4.2.1 The MSG Series Procedures
4.2.2 Reliability Centred Maintenance (RCM)
4.2.3 MSG-3 logic
4.2.4 Structures
4.2.5Fatigue Damage
4.2.6 Environmental Deterioration
4.2.7 Accidental Damage
4.2.8 Systems and Power plants
4.2.9 Setting Task Frequencies/Intervals
4.3 Statistical Reliability Assessment
4.4Logistic Support Analysis (ISA)
4.4.1 LSA Tasks
4.4.2 Failure Mode Effect Analysis(FMEA)
4.5 Fault Tree Analysis (FTA)
4.5.1 Qualitative Analysis of a Fault Tree
4.5.2 Quantitative Analysis of a Fault Tree
4.6 Level of Repair Analysis (LORA)
4.7 Logistic Support Analysis Record (LSAR)
4.8 LSA Models
4.9 Elements of ILS
4.10 Support Equipment
4.11 Facilities
4.12 Data
5 INTELLIGENT STRUCTURAL RATING SYSTEM BASED ON BACK PROPAGATION NETWORK
5.1 Introduction
5.2 Artificial Neural Network
5.2.1 Basic Theory
5.2.2Back-Propagation Network
5.3 Design BPN for AD
5.3.1 BPN Configuration
5.3.2 Case Study
5.4 Discussion
5.4.1 Selection of Number of Nodes in Hidden Layers and Parameter Ratio
5.4.2 Selection of Training Algorithms
5.5 Conclusion
6 FAULT TREE ANALYSIS FOR COMPOSITE STRUCTURAL DAMAGE 
6.1 Introduction
6.2 Basic Principles of FTA
6.2.1 Elements of FTA
6.2.2 Boolean Algebra Theorems
6.3 FTA for Composite Damage
6.4 Qualitative Analysis
6.4.1 Minimal Cut Sets
6.4.2 Structure Importance Analysis
6.4.3 Probability Importance Analysis
6.4.4 Relative Probability Importance Analysis
6.5 Quantitative Analysis
6.6 Discussion
6.7 Potential Solutions
6.7.1 Material Design
6.7.2 Fabrication Process
6.7.3 Personnel Training
6.7.4 Surface Protection
6.7.5 Damage Evaluation and Life Prediction
6.8 Conclusion
7 INSPECTION INTERVAL OPTIMIZATION FOR AIRCRAFT COMPOSITE STRUCTURES CONSIDERING DENT DAMAGE
7.1 Introduction
7.2 Damage Tolerance Philosophy of Composite Structures
7.2.1 Properties of Aircraft Composite Structures
7.2.2 Maintenance Model of Composite Structures
7.3 Damage Characterization
7.3.1 Data Statistics and Category
7.3.2 Damage Size Distribution
7.3.3 Probability of Detection (POD)
7.4 Probabilistic Method
7.4.1 Reliability Formulation
7.4.2 Monte Carlo Simulation
7.5 Case Study
7.5.1 Average Damages per Life-cycle (Nd)
7.5.2 Load Cases
7.5.3Damage Size and Occurrence Time
7.5.4 Inspection Efficiency
7.5.5 Residual Strength Reduction and Recovery
7.5.6 Other Assumptions and Definitions to Facilitate the Simulation
7.6 Simulation Results and Discussion
7.7 Conclusions
8 REPAIR TOLERANCE FOR COMPOSITE STRUCTURES USING PROBABILISTIC METHODOLOGIES
8.1 Introduction
8.2 Repair Tolerance
8.3 Probabilistic method
8.4 Case Study
8.4.1 Load Case
8.4.2 Average Damage per Life-cycle (Nd)
8.4.3 Damage Size Distribution
8.4.4 Probability of Detection (POD)
8.4.5 Inspection Schedule
8.4.6 Residual Strength Reduction and Recovery
8.4.7 Repair Policy
8.4.8 Factor of Safety
8.4.9 Probability of Failure (POF)
8.4.10 Maintenance Cost
8.5 Results and Discussion
8.6 Conclusion
9 STRUCTURAL HEALTH MONITORING AND INFLUENCE ON CURRENT MAINTENANCE
9.1 Structural Health Monitoring Technology
9.2 SHM Applications in Aircraft
9.3 Influence of SHM on Current Maintenance
9.4 Integration of SHM with MSG-3 Analysis
9.5 Conclusion
10 Maintenance Control and Management Optimisation
10.1 Introduction
10.2 Qualifications of Aircraft Maintenance Personnel
10.2.1 Educational Structure and Background
10.2.2 International Requirements
10.2.3 Australian Civil Aviation Requirements
10.2.4 RAAF Requirements
10.3 Specific Aircraft Type Training
10.4 Occupational Health and Safety
10.4.1 Introduction to Accident Control
10.4.2 Hazard Identification
10.5 Organisation for Maintenance Control
10.6 System of Control
10.7 Aircraft Tail Number Maintenance Planning
10.8 Certification of Work Done
10.9 Maintenance Forms
10.10 Services
10.11 Maintenance Schedules
10.12 Maintenance Planning
10.13 Reference Data Definitions
10.14 Example of Airline Maintenance System Development
10.14.1 Setting
10.14.2 Aircraft Checks
10.14.3 Work-hours and Staffing Assessments
10.14.4 Further Development
10.14.5 Direct Application
11 The Methodologies of Reliability & Maintainability in A380 Program
11.1 Introduction
11.2 Reliability Modelling Approach
11.3 Reliability Enhancement Process
11.4 The Validation and Verification Process
11.5 Advanced Maintainability Optimization
11.6 Conclusion
References

Additional volumes


Commercial Aircraft Hydraulic Systems

Published: 15th October 2015 Authors: Shaoping Wang Mileta Tomovic Hong Liu

Theory of Aerospace Propulsion

Published: 21st October 2011 Author: Pasquale Sforza

Asymptotic Theory of Supersonic Viscous Gas Flows

Published: 17th December 2007 Editor: Vladimir Neyland

Orbital Mechanics

Published: 17th December 2004 Author: Howard Curtis