Back close

Course Detail

Course Name Quality Control and Reliability Engineering
Course Code 19MEE445
Program B. Tech. in Mechanical Engineering
Year Taught 2019


Unit 1

Introduction: Review of statistics and probability. Quality related costs, contemporary quality engineering philosophy, Quality systems and international standards and 6 Sigma. Control charts for variables: X-bar and R charts, X-bar and S charts; Control charts for individual measurements; Exponentially Weighted Moving Average (EWMA) and Deviation (EWMD) charts.

Unit 2

Control charts for attributes: p, np, c, and u charts Interpretation of control charts. Average Run Length (ARL) Study.Multivariate quality control. Control charts for short production runs, Modified acceptance control charts. Sensitivity analysis- Process capability analysis.
Introduction to Reliability: Concepts and definition of Reliability – Reliability mathematics – failure distributions.

Unit 3

Hazard models – hazard rate function – failure density function – conditional reliability – exponential, Rayleigh, Weibull, Normal and Lognormal distributions – two-parameter exponential and three-parameter Weibull distributions – MTTF, MTBF – design life.
Reliability of simple Systems – Series and parallel configurations – Reliability improvement – redundancy – combined series and parallel systems – High level and low level redundancy – k-out of n system – standby redundancy.
Maintainability – Factors affecting maintainability of systems – Design for maintainability – MTTR – Maintenance – spare provisioning.

Objectives and Outcomes

Course Objectives

  • To introduce the principles and techniques of statistical quality control and their applications.
  • To familiarize with basic concepts and techniques of reliability engineering

Course Outcomes

  • CO1: Apply the knowledge of statistics and probability to attain the quality improvement in industries
  • CO2: Analyze the product quality using statistical tools
  • CO3: Determine the reliability and maintainability of systems

CO – PO Mapping

CO1 3 3 1 3
CO2 3 3 1 3 3
CO3 3 3 3 2 1 1 1 1 1 1 3 1

Textbook / References


  • Montgomery D. C. – ‘Introduction to Statistical Quality Control’ – John Wiley – 2010
  • Ebeling C. – ‘An Introduction to Reliability and Maintainability Engineering’ – Tata McGraw Hill Publishing Company Ltd. – 2004


  • Eugene G. L. – ‘Statistical Quality Control’ – McGraw-Hill – 1996
  • Srinath L. S. – ‘Concept in Reliability with an Introduction to Maintainability and Availability’ – Associated East- West – 1998
  • Rao S. S. – ‘Reliability Based Design’ – McGraw Hill – 1992
  • O’cconer P. D. T. – ‘Practical Reliability Engineering’ – John Wiley & Sons Ltd. – 2003

Evaluation Pattern

Assessment Internal External
Periodical 1 (P1) 15
Periodical 2 (P2) 15
*Continuous Assessment (CA) 20
End Semester 50
*CA – Can be Quizzes, Assignment, Projects, and Reports.

DISCLAIMER: The appearance of external links on this web site does not constitute endorsement by the School of Biotechnology/Amrita Vishwa Vidyapeetham or the information, products or services contained therein. For other than authorized activities, the Amrita Vishwa Vidyapeetham does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this web site.

Admissions Apply Now