Jalal Delaram

Assistant Professor of Industrial Engineering

College of Engineering, University of Tehran

Statistical Quality Control


Overview

Statistical Quality Control (SQC) plays a pivotal role in ensuring the consistent quality of products and services in various industries. By applying statistical methods, SQC helps identify and monitor variations in processes, enabling organizations to maintain high-quality standards and reduce waste. The importance of SQC has grown exponentially as industries have become more complex and globalized. It provides the necessary tools to control processes, identify defects, and improve efficiency, making it essential in industries such as automotive, electronics, pharmaceuticals, and food production. The foundational principles of SQC, including control charts, process capability analysis, and design of experiments, are critical for analyzing and improving production processes.
Historically, SQC emerged in the early 20th century with the contributions of pioneers like Walter A. Shewhart, who introduced the control chart, and W. Edwards Deming, whose work transformed the post-World War II industrial landscape in Japan. Over the years, SQC has evolved to incorporate modern tools and techniques, such as Six Sigma, lean manufacturing, and real-time data analytics, to address emerging challenges. As industries face increasing demands for efficiency, sustainability, and customization, SQC remains a cornerstone of quality management. Looking forward, the integration of artificial intelligence, machine learning, and big data analytics into SQC will further enhance the ability to predict, control, and improve quality in even more sophisticated and automated environments.


Syllabus

Duration: 15 weeks

Prerequisites: Statistics and Probability

Objectives:

  • Understand the principles of quality control
  • Learn to apply statistical techniques in quality management
  • Develop the ability to design and analyze control charts and experiments
  • Explore advanced topics in quality improvement methodologies
  • Assessment Methods:

  • Attendance: +5%
  • Quiz: 15%
  • Collaboration: 15%
  • Midterm exam: 30%
  • Final exam: 40%

  • Material

    The reference book of the course:

  • Douglas C. Montgomery - Introduction to Statistical Quality Control, 7th edtition
  • John S. Oakland - Statistical Process Control, 6th edition

  • Schedule & Related Slides

    Below are the slides for each session in the course according to the schedule:

  • Chapter 0: Introduction + Statistics and Probability Background
  • Chapter 1: The Chronicle of Quality
  • Chapter 2: Quality Overview
  • Chapter 3: Variable Acceptance Sampling
  • Chapter 4: Attribute Acceptance Sampling
  • Chapter 5: Statistical Basis of Control Charts
  • Chapter 6: Variable Control Charts
  • Chapter 7: Attribute Control Charts
  • Chapter 8: Sensitive Control Charts
  • Chapter 9: Autocorrelation in Quality Control
  • Chapter 10: Troubleshooting and Improvement

  • Feedback & Activities

    Please fill out the following form to provide your basic information for this course:

  • Student Information Form