Advanced Quality Engineering Laboratory (AQEL)

The four major missions of the AQEL are education, scientific discovery, technology development, and transition to applications by conducting research to discover scientific knowledge and technological solutions that strengthen the leadership in a wide variety of areas of quality engineering.

Brochure (PDF File)

Director

Dr. Byung Rae Cho

Research Domain

The current AQEL research falls into six broad categories.

Robust Design and Optimization
Lead Researcher: Madhumohan Govindaluri

Tolerance Design and Synthesis
Lead Researcher: Rungchat Chompu-Inwai

Process Target and Decision Theory

Reliability Engineering
Lead Researcher: Sangmun Shin

Human-Machine Collaborative Design Optimization
Lead Researcher: Vikas Chander

Military Operations Research
Lead Researcher: Jaywan Kim

Selected Publications

S. Jebaraj and B.R. Cho, “Development of Robust Design Paradigm to Achieve Design Flexibility with the Consideration of Multiple Quality Attributes and Characteristics: A Physical Programming Approach,“ Quality and Reliability Engineering International (in review).

B.R. Cho, M.M. Wiecek, and S. Shin, “A Bi-criteria Decision Model for Robust Design Using the Tchebycheff method,“ European Journal of Operational Research (in review).

M.T. Khasawneh, S. R. Bowling, S. Kaewkuekool, and B.R. Cho, “Tables of a Truncated Standard Normal Distribution: A Singly Truncated Case,” Quality Engineering (in review).

M.T. Khasawneh, S. R. Bowling, S. Kaewkuekool, and B.R. Cho, “Tables of a Truncated Standard Normal Distribution: A Doubly Truncated Case,” Quality Engineering (in review).

S.R. Bowling, M.T. Khasawneh, S. Kaewkuekool, and B.R. Cho, “A Logistic Approximation to a Cumulative Normal Distribution,” Journal of the Royal Statistical Society- Series D (in review).

S. Shin and B.R. Cho, “Robust Design Models with Customer-Specified Bounds on Process Parameters: A Case Study,” Quality Engineering (in review).

S. Shin, M.S. Govindaluri, and B.R. Cho, “Integration of the Lambert W Function to a Tolerance Design Problem,” Quality and Reliability Engineering International (in review).

C. Lee and B.R. Cho, “Bayesian Approach to Robust Design Using a Normal Conjugate Prior,” Quality and Reliability Engineering International (in review).

S. Shin, M.S. Govindaluri, and B.R. Cho, “Tolerance Synthesis by Empirical Approximations,” International Journal of Production Research (in review).

Y.J. Kim and B.R. Cho, “Optimum Selection of Guard Band and Precision Level for Cost-Effective Inspection Procedures,” European Journal of Operational Research (in review).

M.D. Phillips and B.R. Cho, “Designing the Optimal Circular and Spherical Specification Regions,” Applied Mathematical Modelling (in review).

M.S. Govindaluri and B.R. Cho, “Development of the Markovian-Based Fuzzy Entropy Method for Weight Assessment,” International Journal of Industrial Engineering (in review).

C. Lee and B.R. Cho, “Noise-Insensitive Posterior Parameters for a Normal Conjugate Prior,” Quality and Reliability Engineering International (in review).

S. Shin, M.S. Govindaluri, and B.R. Cho, “Development of Integrated Strategy for Variability Reduction,” IIE Transactions (in review).

B.R. Cho, Y.J. Kim and S. Shin, “A Simultaneous Tolerance Optimization for Components and Assembly Using a Truncated Distribution,” Quality Technology and Quantitative Management (in review).

B.R. Cho, Y.J. Kim and S. Shin, “Tolerance Optimization for a Destructive Testing with the Consideration of Multiple Quality Characteristics,” Applied Mathematical Modelling (in review).

More Publications (PDF File)