Improving Reliability and Quality for Product Success: 1st Edition (Hardback) book cover

Improving Reliability and Quality for Product Success

1st Edition

By Dongsu Ryu

CRC Press

226 pages | 8 B/W Illus.

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Hardback: 9781466503793
pub: 2012-05-11
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For almost every sensationalized media report of product failure, a closer look often determines these failures occurred due to inadequate reliability theory and methodology. Current theories and practices cannot solve these problems, mainly because test specifications, especially lifetime tests, express their results as either pass or fail; these results thus provide little useful quantitative information. In a clear, concise presentation, Improving Reliability and Quality for Product Success discusses how to eradicate failures in hardware products and, consequently, achieve greater success in the marketplace.

Evolved from the author’s more than thirty years of experience, the book redefines quality and reliability terminology, explains failure mechanics, and analyzes why reliability accidents occur in the products of established corporations. The author presents a new prevention methodology in easily understood qualitative and scientific terms. Without excess discussions of the complex related mathematics, he creates principles that enable readers to identify problems before product release into the market. These novel concepts and methodology can reduce product troubles by establishing test specifications that produce quantified outcomes that constitute conclusive judgment data.

Many books that cover reliability theory/engineering/practice are geared towards professionals with advanced mathematical skills and would not necessarily be of use to executives and CEOs, who may not be quality or reliability experts but need to understand these principles when making decisions. This book addresses this important but neglected audience, introducing novel ideas based on back-to basics quality/reliability concepts in an easily understood manner. In addition, it explains basic, fresh new methods for maximizing customer satisfaction and securing a competitive edge in performance.

Table of Contents


Design Technology and Approval Specification of New Products

Design Technology and Manufacturing Technology

The Substance and Results of Design Technology

Basic Concepts of Design Approval

The Distracting Jungle of Reliability Concepts

The Meaning of Reliability

The Inadequacy of the MTTF and the Alternative: BX Life

Reliability and the Commonsense Level of Confidence

Dimensional Differences between Quality Defects And Failures

The Two Elements of Failure: Stress and Material

Reliability Engineering as a Science


Novel Concepts of Reliability Technology

The Definition of Reliability and the Meaning of Quality

Two Failure Rate Shapes and Infant Mortality Distributions

Reliability Target Setting for Finished Products and Unit Items

The BX Life Target Setting as a Durability Index

The Revised Definitions of Failure Rate and Characteristic Life

The Conversion from Characteristic Life to BX Life

Connotations of these New Concepts

Current Issues in Reliability Technology

Product Approval Tests and their Bases

Reliability Assurance Methods and Tests at the Development Stage, and Ensuing Problems

Why Reliability Accidents Occur in the Products of Advanced Corporations

New Classification of Reliability Assurance Tests

The Fundamental Solution for Reliability Assurance: Parametric ALT

Benefits of Quantified Tests and Parametric ALT

Target Setting for Parametric ALT

Recurrences of the Failure Mode

Definition and Procedure of Parametric ALT

Life-stress Model and Minimum Test Period

Shape Parameter and Sample Size Reduction

Characteristics of Life Tests and Difficulties with the Failure Rate Test

Redundant Systems and Preventive Maintenance

Estimating Reliability Targets from Test Conditions and Predicting Expenditures for Quality Failures

Advantages of parametric ALT


Failure Analysis for Accurate Corrections

The Significance of Failure Analysis

Considerations in Performing Failure Analysis

Results after Completing Parametric ALT and Failure Analysis

Problems in The Manufacturing Inspection System and their Solutions

The Architecture of the Manufacturing Inspection System

Quality Improvement and Stabilization of Manufacturing Lines

Considerations Regarding Design Changes


Customer Satisfaction and Comparative Advantage for New Product Success

The Five Factors of Market Quality

Customer Satisfaction

Comparative Advantage of Performance Fundamentals

Market Share Increase and Market Situation Analysis

Predicting the Market Share Increase for New Products

Extreme Competition until Two Strong Corporations Emerge

Some Suggestions for Competitive Capability Building


Appendix: E-Mail to CEO Regarding Reliability Management

A.1 The Operation of a Reliability Organization is a Must in Corporate Hardware Development

A.2 Design Technology is Only Completed with the Establishment of Approval Test Specifications

A.3 The Core Concept of the Approval Test is the Quantitative Estimation of the Product


About the Originator


Dongsu Ryu

Ansan-si, Gyeonggi-do, South Korea

Learn more about Dongsu Ryu >>

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