Practice: Methodology, Problems and Difficulties - Economics of Reliability Engineering

RELIABILITY ENGINEERING
Basic concepts in Reliability: Risk and Reliability, Bath tub curve, Failure Mechanism of mechanical
components: causes, modes, function of mechanical elements, failure theories.
Component Reliability: Failure data analysis, reliability function, hazard rate, failure rate, and their
relationship, MTTF, mean failure rate, MTBF.
System Reliability: Series, parallel, mixed configuration, r-out of-n structure, solving complex
systems, reliability logic diagrams (RLD). Techniques of Reliability Estimation: Fault Tree analysis, tie
sets and cut-sets, Boolean algebra.
System Reliability Improvement: use of better components, simplification, derating, redundancy,

working environment control, maintenance, etc. Redundancy Techniques: Introduction, component
vs unit redundancy, weakest link technique, mixed redundancy, standby redundancy, redundancy
optimization, double failure and redundancy.
Case Application of complex systems: Marine power plant, computer system, Nuclear power plant,
combats aircraft, etc.
Reliability Testing: Introduction, objectives, assumption, different types of test. Life testing in
practice: Methodology, problems and difficulties.Economics of Reliability engineering.
Acetated Life Cycle Testing: Intro, basic concepts, data qualification. Accusations faster, stress
combination methods, limitations, step stress method for AST, various AST models, recent
development recommended approach. Highly accelerated life testing (HALT), HASS
Self Learning Component Through Sessionals: Case application, assignments, subject paper/project,
presentation etc.
Reference Books:
1. Mechanical Reliability by Srinath LS, Affiliated East-West Press Pvt Ltd, New Delhi.
2. Reliability Engineering Third Ed. by Srinath LS, Affiliated East-West Press Pvt Ltd, New Delhi.
3. Reliability Engineering and Life Testing by V.N.A. Naikan, PHI Learning Pvt. Ltd. New Delhi.
4. Reliability Engineering by E. Balagurusamy, TMH, New Delhi

Maintenance Management
1. INTRODUCTION Maintenance functions - Tero technology -Maintenance costs - Organisation for

maintenance - Japanese concept
2. RELIABILITY ANALYSIS Reliability function - useful life - repair time distribution - Weibull
application - Standby systems – Maintainability and availability - RCM.
3. MAINTENANCE POLICIES: Maintenance types - Preventive maintenance - PM for functional

characteristics and large scale systems – repair policy - PM and break down maintenance - Statistical
applications - replacement models.
4. LOGISTICS: Spare parts control - overall/optimum availability - Maintenance planning - priority

rules - Maintenance staffing - UMS -Maintenance manual.
5. ADVANCED TECHNIQUES: Condition monitoring - WDM, SPM, Vibration monitoring -

Maintenance information system - TPM – Maximise equipment effectiveness.
Books:
1. Edward Hartman, "Maintenance Management", Productivity and Quality Publishing Pvt. Ltd.,
Madras, 1995.
2. Smith D.J. "Reliability and Maintainability in perspective", Mac Millan Ltd., London, 1985.
3. Seiichi Nakagrima, "Introduction to Total Productive Maintenance", Productivity press (India) Pvt.
Ltd., 1993.
Flexible Competitive Manufacturing System
1. MANUFACTURING IN A COMPETITIVE ENVIRONMENT: Automation of manufacturing process -

Numerical control - Adaptive control - material handling and movement - Industrial robots - Sensor
technology - flexible, fixturing - Design for assembly, disassembly and service.
2. GROUP TECHNOLOGY Part families - classification and coding - Production flow analysis - Machine
cell design - Benefits.
3. FLEXIBLE MANUFACTURING SYSTEMS Introduction - Components of FMS - Application work

stations - Computer control and functions - Planning, scheduling and control of FMS - Scheduling -
Knowledge based scheduling - Hierarchy of computer control - Supervisory computer.
4. COMPUTER SOFTWARE, SIMULATION AND DATABASE OF FMS System issues - Types of software
- specification and selection - Trends - Application of simulation - software - Manufacturing data
systems - data flow - CAD/CAM considerations - Planning FMS database.
5. JUST IN TIME Characteristics of JIT - Pull method - quality -small lot sizes - work station loads -
close supplier ties – flexible work force - line flow strategy - preventive maintenance - Kanban
system - strategic implications - implementation issues - MRP JIT - Lean manufacture.
books:
1. Groover M.P., " Automation, Production Systems and Computer Integrated Manufacturing ",
Prentice-Hall of India Pvt. Ltd., New Delhi, 1996.
2. Jha, N.K. " Handbook of Flexible Manufacturing Systems ", Academic Press Inc., 1991.
3. Kalpakjian, " Manufacturing Engineering and Technology ", Addison-Wesley Publishing Co., 1995.
4. Taiichi Ohno, Toyota, "

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RELIABILITY ENGINEERING

System Reliability Improvement: use of better components, simplification, derating, redundancy,

4. Reliability Engineering by E. Balagurusamy, TMH, New Delhi

1. INTRODUCTION Maintenance functions - Tero technology -Maintenance costs - Organisation for

3. MAINTENANCE POLICIES: Maintenance types - Preventive maintenance - PM for functional

4. LOGISTICS: Spare parts control - overall/optimum availability - Maintenance planning - priority

5. ADVANCED TECHNIQUES: Condition monitoring - WDM, SPM, Vibration monitoring -

1. MANUFACTURING IN A COMPETITIVE ENVIRONMENT: Automation of manufacturing process -

3. FLEXIBLE MANUFACTURING SYSTEMS Introduction - Components of FMS - Application work

Prentice-Hall of India Pvt. Ltd., New Delhi, 1996.

4. Taiichi Ohno, Toyota, "

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