## Introduction to Reliability Maintainability Availability

### What you’ll learn

What a failure is and why documenting the definition is important

How complexity in a system decreases its reliability

What the different failure data distributions are and how they apply to system reliability

Failure Probability Density Function (PCF) and Cumulative Density Function (CDF) curves

The mean, median and mode of failure data distributions

The difference between Failure Rate λ(t) and Hazard Rate h(t)

The concept of the bathtub curve and its limitations

Reliability networks, types, and applications

FMEA and an FMECA, their relationships, and their application to system design concepts

The difference between Maintainability and Maintenance

Why the Operational Concept mission scenario are important to RM&A

The different maintenance levels and maintenance types

Metrics used to measure maintainability

Reliability-Centered Maintenance (RCM) is and its relationship to Condition-Based Maintenance (CBM)

Finding an optimal balance between reliability, maintainability and product lifecycle cost

The Potential-to-Failure (P-F) Concept

The types of availability: Operational Availability (Ao), Inherent Availability (Ai), and Achieved Availability (Aa), and how to calculate each

The relationship between Availability to Reliability and Maintainability

### Requirements

Product Development & Systems Engineering Foundations

Algebra I & II

Applied Statistics (helpful but not required)

Trigonometry / Pre-Calculus (helpful but not required)

Calculus I (Limits & Derivatives) (helpful but not required)

Calculus II (Integration, sequences & series) (helpful but not required)

### Description

This course focuses on actions project Managers and Systems Engineers can take to initiate or improve the performance of their systems.This course covers both ‘design for RM&A’ and ‘RM&A validation’ activities to provide the viewpoints of the system developer and the end user.This course also covers the essential mathematical calculations that are essential to initiating, specifying and testing RM&A requirements, to and includes the application of how you can use RM&A calculations to estimate and improve your overall system’s availability.In the Reliability Module, we will cover many core principles related to identifying, estimating, calculating and verifying reliability related requirements and models. Topics include common definitions, lifecycle analysis, reliability myths, failures, Failure Modes and Effects Analysis (FMEA), failure rates, life data distributions, probability density functions; exponential, logarithmic, gaussian, and Weibull distributions; reliability estimates, the hazard function, MTBF, MTTF, the “bathtub curve” and its 3 regions: DFR, SFR and IFR. You’ll learn about extending a product’s life, reliability calculations using reliability networks, stress and strain analysis, fault trees and FMECA reporting.In the Maintainability Module, topics include definitions, maintenance levels, FRACAS, Uptime (UT), Downtime (DT), MTTR, preventive and corrective maintenance, maintenance frequency, MTBM, Level Of Repair Analysis (LORA), Reliability Centered Maintenance (RCM) and Condition-Based Maintenance (CBM), Potential to Functional failures (PF), Maintainability cost, prediction, and allocation, and trade-offs between reliability and maintainability.In the Availability Module, we use what we learned about R&M and apply it to availability. We also cover the three primary types of availability: Achieved Availability (Aa), Inherent Availability (Ai) and Operational Availability (Ao).The course concludes by consolidating RM&A topics into a holistic picture. Topics include RM&A challenges, RM&A starting values, testing for reliability & maintainability, RM&A sequential testing and qualification and product life testing.

### Overview

Section 1: Introduction

Lecture 1 Course Introduction

Lecture 2 Introduction to RM&A

Section 2: Reliability

Lecture 3 Reliability Definition

Lecture 4 Reliability in the Life Cycle

Lecture 5 Reliability In Context

Lecture 6 Relationship Between Reliability & Maintainability

Lecture 7 What is a Failure?

Lecture 8 Explicit Reliability

Lecture 9 System Life Reliability

Lecture 10 Failure Rates (λ)

Lecture 11 Reliability Data Distributions

Lecture 12 The Probability Density Function (PDF)

Lecture 13 Exponential Distributions

Lecture 14 Component Repair vs Replacement

Lecture 15 The Gaussian Distribution

Lecture 16 The Logarithmic-Normal Distribution

Lecture 17 The Weibull Distribution

Lecture 18 The Cumulative Distribution Function (CDF)

Lecture 19 The Reliability Function (R)

Lecture 20 Reliability Estimates

Lecture 21 The Failure Rate Function

Lecture 22 The Hazard Function

Lecture 23 Introduction to MTBF & MTTF

Lecture 24 Mean Time Between Failures (MTBF)

Lecture 25 Mean Time To Failure (MTTF)

Lecture 26 Calculating MTBF and MTTF

Lecture 27 MTTF & MTBF Precautions

Lecture 28 The Median Life Function

Lecture 29 The Mode Life Function

Lecture 30 The Decreasing Failures Region (DFR)

Lecture 31 The Stabilized Failures Region (SFR)

Lecture 32 The Increasing Failures Region (IFR)

Lecture 33 Service Life Extension Programs (SLEP)

Lecture 34 Storage and Shelf Life Factors

Lecture 35 Misapplication of the Hazard Rate

Lecture 36 Introduction to Reliability Networks

Lecture 37 Series Networks

Lecture 38 Parallel Networks

Lecture 39 Series / Parallel Network Combinations

Lecture 40 Reliability Allocations

Lecture 41 Reliability Requirements

Lecture 42 Stress & Strain Analysis

Lecture 43 Failure Mode Effects Analysis (FMEA)

Lecture 44 The FMEA & FMECA Process

Lecture 45 Fault Trees

Lecture 46 FMECA Reporting

Section 3: Maintainability

Lecture 47 Introduction to Maintainability

Lecture 48 Maintainability in the Life Cycle

Lecture 49 System Maintenance

Lecture 50 Maintenance Levels & FRACAS

Lecture 51 Uptime (UT) & Downtime (DT)

Lecture 52 Mean Uptime

Lecture 53 Mean Downtime, MLDT & MADT

Lecture 54 Uptime / Downtime Ratio

Lecture 55 Preventive Maintenance and PMT

Lecture 56 Corrective Maintenance

Lecture 57 Maintenance Labor Hours

Lecture 58 Maintenance Frequency

Lecture 59 Mean Time To Repair (MTTR) and Restore to Service (MTRS)

Lecture 60 Mean Time Between Maintenance (MTBM)

Lecture 61 Maintainability Analysis

Lecture 62 Level of Readiness Analysis (LORA)

Lecture 63 Reliability Centered Maintenance (RCM)

Lecture 64 Condition Based Maintenance (CBM)

Lecture 65 Potential to Functional (PF) Failure Ratio

Lecture 66 Maintenance Cost Factors

Lecture 67 Maintainability Predictions

Lecture 68 Maintainability Requirements

Lecture 69 Maintainability Allocation

Lecture 70 Trade-Off Analysis: Reliability vs Maintainability

Section 4: Availability

Lecture 71 Availability Introduction

Lecture 72 Inherent Availability

Lecture 73 Achieved Availability

Lecture 74 Operational Availability

Lecture 75 Availability Conclusion

Section 5: RM&A Considerations

Lecture 76 Reliability, Maintainability and Availability Challenges

Lecture 77 Reliability Starting Values

Lecture 78 RM&A in Design Reviews

Lecture 79 Testing for Reliability

Lecture 80 Testing for Maintainability

Lecture 81 Reliability Sequential Testing

Lecture 82 Reliability in Qualification and Life Testing

Section 6: Course Closeout

Lecture 83 Course Closeout

Product Development Managers & Executives,Project Managers,Systems Engineers,Development team members,Design Engineers,Hardware Engineers,Process Engineers,Maintenance Professionals,Logisticians,Reliability Newcomers

#### Course Information:

Udemy | English | 7h 6m | 2.14 GB

Created by: Christopher Olson

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