Michael Khoo Boon Chong

 

MKBC

 

 Prof. Dr. Michael Khoo Boon Chong

PhD Applied Statistics, Universiti Sains Malaysia
BAppSc Applied Statistics, Universiti Sains Malsysia


Email: mkbc@usm.my | Room No.: 120 | Phone: 04-6533941

 

Profile

Overview:

Michael Boon Chong Khoo specializes in Statistical Quality Control. He works on various topics in the development of new and more efficient control charts. He has published numerous articles in Communications in Statistics, IIE Transactions, International Journal of Production Research, Computers & Industrial Engineering, The International Journal of Advanced Manufacturing Technology, European Journal of Operational Research, Technometrics, Journal of Quality Technology, International Journal of Production Economics, Quality and Reliability Engineering International, Journal of Statistical Computation and Simulation, and Quality Technology & Quantitative Management, among others.

Selected publications:

1.  Teoh, W.L., Michael B.C. Khoo, Castagliola, P., Yeong, W.C. and Teh, S.Y. (2017). Run-Sum Control Charts for Monitoring the Coefficient of Variation. European Journal of Operational Research, 257 (1), 144 – 158.

2.  Chong, Z.L., Mukherjee, A. and Michael B.C. Khoo (2017). Distribution-Free Shewhart-Lepage Type Premier Control Schemes for Simultaneous Monitoring of Location and Scale. Computers & Industrial Engineering, 104, 201 – 215.

3.  Michael Khoo, B.C., Castagliola, P., Liew, J.Y., Teoh, W.L. and Maravelakis, P.E. (2016). A Study on EWMA Charts with Runs Rules - The Markov Chain Approach. Communications in Statistics – Theory and Methods, 45 (14), 4156 – 4180.

4.  Michael B.C. Khoo, Tan, E.K., Chong, Z.L. and Haridy, S. (2015). Side-Sensitive Group Runs Double Sampling (SSGRDS) Chart for Detecting Mean Shifts. International Journal of Production Research, 53 (15), 4735 – 4753.

5.  Lee, M.H., Michael B.C. Khoo and Xie, M. (2014). An Optimal Control Procedure based on Multivariate Synthetic Cumulative Sum. Quality and Reliability Engineering International, 30 (7), 1049 – 1058.

Research Interest:

  1. Statistical Quality Control
  2. Control Charts
 

Teaching and Supervision

Teaching

No. Course Code Course Name
1 MAT 363 Statistical Inference
2 MST 561 Statistical Inference
3 MSG 162 Applied Statistical Methods

Supervision

Doctorate

Name Title

1. Lee Ming Ha (2007)

Optimal Statistical Designs of Multivariate EWMA and Multivariate CUSUM Charts based on Average Run Length and Median Run Length

2. Abdu Mohammed Ali Atta (2010)

Univariate and Multivariate Synthetic Control Charts for Monitoring the Process Mean of Skewed Distributions

3. The Sin Yin (2012)

New Single Variables Control Chart based on the Double EWMA Statistics.

4. Wong Voon Hee (2012)

Optimal Designs of Univariate and Multivariate Synthetic Control Charts based on Median Run Length.

5. Teoh Wei Lin (2013)

Optimal Designs of the Double Sampling Chart based on Parameter Estimation.

6. Liew Jeng Young (2014)

A Markov Chain Model for the EWMA Charts with Runs Rules.

7. Yeong Wai Chung (2014)

Economic and Economic-Statistical Designs of Univariate Synthetic and Multivariate Synthetic Charts.

8. Sitt Chee Keen (2014)

Univariate Run Sum t and Multivariate Run Sum Control Charts for Monitoring the Process Mean.

9. Chong Zhi Lin (2015)

Proposed Synthetic and Group Runs Control Charts based on Runs Rules and Double Sampling np Methods.

10. You Huay Woon (2015)

Control Charts with Estimated Process Parameters and a Proposed Coefficient of Variation Chart.

11. Lim Sok Li (2016)

Variable Sample Size and Sampling Interval Chart with Estimated Parameters, and Economic and Economic-statistical Designs of Side Sensitive Group Runs Chart.

12. Chew Xin Ying (2016)

Proposed Univariate Run Sum and Multivariate Run Sum Hotelling’s Control Charts with Variable Sampling Intervals.

13. Lee How Chinh

Proposed Univariate Synthetic Double Sampling and Multivariate Synthetic Double Sampling Control Charts.

Masters

Name Title

1. Lim Eu Gene (2004)

An Improved Range, R, Control Chart for Monitoring the Process Variance.

2. Sim Jiuan Nee (2005)

Increasing the Sensitivity of the Control Chart.

3. Lee Kim Tiong (2005)

Determining the Actual Time of a Change in Variance using the Improved Absolute Moving Range Chart.

4. Sim See Yen (2005)

A Proposed Robust Exponentially Weighted Moving Average Control Chart for the Process Mean.

5. Ng Theam Foo (2005)

A Proposed Enhancement for the Short Runs Multivariate Control Chart for the Process Mean.

6. Wong Voon Hee (2007)

A Proposed Double Moving Average Control Chart.

7. Yeong Kah Wai (2008)

A Proposed Single EWMA Chart Combining the and R Charts for a Joint Monitoring of the Process Mean and Variance.

8. Low Chun Kit (2011)

The Revised m-of-k Runs Rules based on Median Run Length.

9. Chin Wen Sim (2012)

An Optimal Design of the EWMA t Chart based on Median Run Length (MRL).

10. Lee Lei Yong (2014)

A Proposed Variable Sampling Interval Synthetic Control Chart.

Bachelors

Name Title
1. Aw Chai Yun & Ng Guik Ling

A Comparison between Run Sum  and Run Sum t Control Charts

2. Bong Sze Ting

A Study on Multivariate Run Sum Control Chart
3. Yeam Chiew Na & Low Jia Chir A Study of the Performances of the Synthetic Control Chart and Group Runs Control Chart
4. Chong Nger Ling & Carmen Chin Jia Wen A Study on the Run Length Properties of the Double Sampling (DS)  Chart with Estimated Process Parameters
5. See May Yen A Comparison between Variable Sampling Interval  Chart and Standard  Chart
6. Chia Sin Yin A Study on the Application of Runs Rules on the  Chart
7. Pang Tun Yao A Study on Run Sum Control Chart
8. Wong Chee Yan A Comparison between the MRL Performances of Max-DEWMA and Max-EWMA Charts
9. You Huay Woon A Study on the Run Length Distribution of Synthetic  Chart
10. Lee Lei Yong & Yap Ee Yen A Comparison between the Standard Deviation of the Run Length (SDRL) Performances of Optimal EWMA and Optimal CUSUM Charts

Research

Research Grants

  1. Development of a Method to Solve Problems of the Double Sampling XControl Chart for Skewed Distributions, Research University Individual (RUI), RM150,000.00 (1st December 2013 – 30th November 2016; First Extension: 1st Disember 2016 – 31st May 2017; Second Extension: 1st June 2017 – 31st August 2017)


  1. Optimal Designs of Exponentially Weighted Moving Average (EWMA) Control Chart with Runs Rules, Fundamental Research Grant Scheme (FRGS), RM92,000 (1st May 2013 − 30th April 2016; First Extension: 1st May 2016 – 31st October 2016)


  1. A Synthetic Run Sum Control Chart, FRGS, RM135,000.00 (1st August 2011 – 31st July 2013; Extension: 1st August 2013 – 31st January 2014)


  1. Multivariate Synthetic Double Sampling Control Chart for the Process Mean, RUI, RM195,636.16 (1st April 2010 – 31st March 2013; Extension: 1st April 2013 – 30th June 2013).

 

Published Papers (Last 3 Years)

  1. Lee, M.H. and Michael Khoo, B.C. (2015). Multivariate Synthetic |S| Control Chart with Variable Sampling Interval. Communications in Statistics – Simulation and Computation, 44 (4), 924 942.
  2. Michael Khoo, B.C., Teh, S.Y., Chew, X.Y. and Teoh, W.L. (2015). Standard Deviation of the Run Length (SDRL) and Average Run Length (ARL) Performances of EWMA and Synthetic Charts. International Journal of Engineering and Technology, 7 (6), 513 – 516.
  3. Qu, L., Wu, Z., Rahim, M.A. and Michael Khoo, B.C. (2015). A Balanced Two-Sided CUSUM Chart for Monitoring Time between Events. European Journal of Industrial Engineering, 9 (1), 1 – 26.
  4. Ou, Y., Chen, N. and Michael Khoo, B.C. (2015). An Efficient Multivariate Control Charting Mechanism based on SPRT. International Journal of Production Research, 53 (7), 1937 – 1949.  
  5. Ou, Y., Wu, Z., Michael Khoo, B.C. and Chen, N. (2015). A Rational Sequential Probability Ratio Test Control Chart for Monitoring Process Shifts in Mean and Variance. Journal of Statistical Computation and Simulation, 85 (9), 1765 – 1781.
  6. Lim, S.L., Michael Khoo, B.C., Teoh, W.L. and Xie, M. (2015). Optimal Designs of the Variable Sample Size and Sampling Interval Chart when Process Parameters are Estimated. International Journal of Production Economics,166, 20 – 35.
  7. Lee, L.Y., Michael Khoo, B.C., Teh, S.Y. and Lee, M.H. (2015). A Variable Sampling Interval Synthetic Chart for the Process Mean. PLOS ONE, May 7, 2015, 1 – 18.
  8. Lee, M.H. and Michael Khoo, B.C. (2015). Variable Sampling Interval Cumulative Count of Conforming Chart with Runs Rules. Communications in Statistics – Simulation and Computation, 44 (9), 2410 – 2430.
  9. Yeong W.C., Michael Khoo, B.C., Ou, Y. and Castagliola, P. (2015). Economic-Statistical Design of the Synthetic Chart with Estimated Process Parameters. Quality and Reliability Engineering International, 31 (5), 863 – 876.
  10. Teh, S.Y., Michael Khoo, B.C., Ong, K.H., Soh, K.L. and Teoh, W.L. (2015). A Study on the -EWMA Chart for Monitoring the Process Variance based on the MRL Performance. Sains Malaysiana,44 (7), 1067 – 1075.
  11. Teoh, W.L., Michael Khoo, B.C., Castagliola, P. and Chakraborti, S. (2015). A Median Run Length-based Double Sampling Chart with Estimated Parameters for Minimizing the Average Sample Size. International Journal of Advanced Manufacturing Technology, 80 (1 – 4), 411 – 426.
  12. Chew, X.Y., Michael Khoo, B.C., Teh, S.Y. and Castagliola, P. (2015). The Variable Sampling Interval Run Sum Control Chart. Computers & Industrial Engineering, 90 (December), 25 – 38.
  13. Michael Khoo, B.C., Tan, E.K., Chong, Z.L. and Haridy, S. (2015). Side-Sensitive Group Runs Double Sampling (SSGRDS) Chart for Detecting Mean Shifts. International Journal of Production Research, 53 (15), 4735 – 4753.
  14. You, H.W., Michael Khoo, B.C., Lee, M.H. and Castagliola, P. (2015). Synthetic Double Sampling Chart with Estimated Process Parameters. Quality Technology and Quantitative Management, 12 (4), 579 – 604.
  15. Hu, X., Castagliola, P., Sun, J. and Michael Khoo, B.C. (2015). The Effect of Measurement Errors on the Synthetic Chart. Quality and Reliability Engineering International, 31 (8), 1769 – 1778.
  16. You, H.W., Michael Khoo, B.C., Castagliola, P. and Ou, Y. (2015). Side Sensitive Group Runs Chart with Estimated Process Parameters. Computational Statistics, 30 (4), 1245 – 1278.
  17. Yeong, W.C., Chuah, M.E., Teoh, W.L., Michael Khoo, B.C. and Lim, S.L. (2015). The Economic and Economic-Statistical Designs of the Coefficient of Variation Chart. Academic Journal of Science, 4 (3), 57 – 72.
  18. Lim, S.L., Michael Khoo, B.C., Yeong, W.C. and Lee, M.H. (2015). Economic and Economic-statistical Designs of the Side Sensitive Group Runs Chart. Computers & Industrial Engineering, 90, 314 – 325.
  19. Chung-Ho Chen, Michael Khoo, B.C., Chou, C.Y. and Kan, C.C. (2015). Joint Determination of Process Quality Level and Production Run Time for Imperfect Production Process. Journal of Industrial and Production Engineering, 32(4), 219 – 224.
  20. Chong, Z.L., Michael Khoo, B.C. and You, H.W. (2016). A Study on the Run Length Distribution of Synthetic Chart. International Journal of Engineering and Technology, 8 (5), 371 – 374.
  21. Wu, S., Castagliola, P. and Michael Khoo, B.C. (2016). Run Rules based Phase II c and np Charts when Process Parameters are Unknown. Communications in Statistics – Theory and Methods, 45 (4), 1182 – 1197.
  22. Fang, Y.Y., Michael Khoo, B.C., Teh, S.Y. and Xie, M. (2016). Monitoring of Time-Between-Events with a Generalized Group Runs Control Chart. Quality and Reliability Engineering International, 32 (3), 767 – 781.
  23. Hu, X, Castagliola, P., Sun, J. and Michael Khoo, B.C. (2016). The Performance of Variable Sample Size Chart with Measurement Errors. Quality and Reliability Engineering International, 32 (3), 969 – 983.
  24. Yeong, W.C., Michael Khoo, B.C., Teoh, W.L. and Castagliola, P. (2016). A Control Chart for the Multivariate Coefficient of Variation. Quality and Reliability Engineering International, 32 (3), 1213 – 1225.
  25. Teoh, W.L., Michael Khoo, B.C., Yeong, W.C. and Teh, S.Y. (2016). The Performance of the Double Sampling Chart with Estimated Parameters for Skewed Distributions. Academic Journal of Science, 5 (1), 237 – 252.
  26. Teoh, W.L. Fun, M.S., Teh, S.Y., Michael Khoo, B.C. and Yeong, W.C. (2016). Exact Run Length Distribution of the Double Sampling Chart with Estimated Process Parameters. South African Journal of Industrial Engineering, 27 (1), 20 – 31.
  27. Teoh, W.L., Michael Khoo, B.C., Castagliola, P. and Lee, M.H. (2016). The Exact Run Length Distribution and Design of the Shewhart Chart with Estimated Parameters based on Median Run Length. Communications in Statistics – Simulation and Computation, 45 (6), 2081 – 2103.
  28. Hu, X., Castagliola, P., Sun, J. and Michael Khoo, B.C. (2016). Effect of Measurement Errors on the VSI Chart. European Journal of Industrial Engineering, 10 (2), 224 – 242.
  29. Yeong W.C., Michael Khoo, B.C., Shamsuzzaman, M. and Castagliola, P. (2016). Sensitivity Analyses of the Economic and Economic Statistical Designs of the Multivariate Synthetic T2 Chart. Communications in Statistics – Simulation and Computation, 45 (7), 2541 – 2561.
  30. Teoh, W.L., Michael Khoo, B.C., Yeong, W.C. and Teh, S.Y. (2016). A Comparison between the Performances of Synthetic and EWMA Charts for Monitoring the Coefficient of Variation. Journal of Scientific Research and Development, 3 (1), 16 – 20.
  31. You, H.W., Michael Khoo, B.C., Castagliola, P. and Haq, A. (2016). Monitoring the Coefficient of Variation using the Side Sensitive Group Runs Chart. Quality and Reliability Engineering International, 32 (5), 1913 - 1927.
  32. Yeong, W.C., Michael Khoo, B.C., Lim, S.L. and Castagliola, P. (2016). The Economic and Economic-statistical Designs of the Hotelling’s T2 Chart based on the Expected Average Run Length. Quality Engineering, 28 (4), 416 – 428.
  33. You, H.W., Michael Khoo, B.C., Castagliola, P. and Qu, L. (2016). Optimal Exponentially Weighted Moving Average Charts with Estimated Parameters based on Median Run Length and Expected Median Run Length. International Journal of Production Research, 54 (17), 5073 – 5094.
  34. Haridy, S., Ou, Y., Wu, Z. and Michael Khoo, B.C. (2016). A Single X Chart Outperforming the Joint & Rand & SCharts for Monitoring Mean and Variance. Quality Technology and Quantitative Management, 13 (3), 289 – 308.
  35. Haq, A. and Michael Khoo, B.C. (2016). A New Synthetic Control Chart for Monitoring Process Mean using Auxiliary Information. (2016). Journal of Statistical Computation and Simulation, 86 (15), 3068 – 3092.
  36. Michael Khoo, B.C., Castagliola, P., Liew, J.Y., Teoh, W.L. and Maravelakis, P.E. (2016). A Study on EWMA Charts with Runs Rules - The Markov Chain Approach. Communications in Statistics – Theory and Methods, 45 (14), 4156 – 4180.
  37. Shamsuzzaman, M., Michael Khoo, B.C., Haridy, S. and Alsyouf, I. (2016). An Optimization Design of the Combined Shewhart-EWMA Control Chart. International Journal of Advanced Manufacturing Technology, 86(5), 1627 – 1637.
  38. Chew, X.Y., Michael Khoo, B.C., Teh, S.Y. and Lee, M.H. (2016). The Run Sum Hotelling’s Control Chart with Variable Sampling Intervals. Quality and Reliability Engineering International, 32 (7), 2573 – 2590.
  39. Hu, X., Castagliola, P., Sun, J. and Michael Khoo, B.C. (2016). Economic Design of the Upper-Sided Synthetic Chart with Measurement Errors. International Journal of Production Research, 54 (19), 5651 – 5670.
  40. Yeong, W.C., Michael Khoo, B.C., Lim, S.L., Teoh, W.L. and Ng, P.S. (2016). Effects of Misspecification on the Economic-Statistical Design of the Coefficient of Variation Chart. Journal of Engineering and Applied Sciences, 11(7), 1655 – 1659.
  41. Teoh, W.L., Michael Khoo, B.C., Castagliola, P., Yeong, W.C. and Teh, S.Y.(2017). Run-Sum Control Charts for Monitoring the Coefficient of Variation. European Journal of Operational Research, 257 (1), 144 – 158.
  42. Castagliola, P., Oprime, P.C. and Michael Khoo, B.C. (2017). The Double Sampling S2 Chart with Estimated Process Variance. Communications in Statistics – Theory and Methods, 46 (7), 3556 – 3573.
  43. Lee, M.H. and Michael Khoo, B.C. (2017). Optimal Designs of Multivariate Synthetic Control Chart based on Median Run Length. Communications in Statistics – Theory and Methods, 46 (6), 3034 – 3053.
  44. Chong, Z.L., Mukherjee, A. and Michael Khoo, B.C. (2017). Distribution-Free Shewhart-Lepage Type Premier Control Schemes for Simultaneous Monitoring of Location and Scale. Computers & Industrial Engineering, 104, 201 – 215.
  45. Teoh, W.L., Chong, J.K., Michael Khoo, B.C., Castagliola, P. and Yeong, W.C. (2017). Optimal Designs of the Variable Sample Size Chart based on Median Run Length and Expected Median Run Length. Quality and Reliability Engineering International, 33 (1), 121 – 134.
  46. Lee, M.H. and Michael Khoo, B.C. (2017). Synthetic Double Sampling S Chart. Communications in Statistics – Theory and Methods, 46 (12), 5914 – 5931.
  47. Chong, Z.L., Michael Khoo, B.C., Lee, M.H. and Chung-Ho Chen. (2017). Group Runs Revised m-of-k Runs Rule Control Chart. Communications in Statistics – Theory and Methods, 46 (14), 6916 – 6935.
  48. Lim, A.J.X., Michael Khoo, B.C., Teoh, W.L. and Haq, A. (2017). Run Sum Chart for Monitoring Multivariate Coefficient of Variation. Computers & Industrial Engineering, 109, 84 – 95.
  49. Yeong, W.C., Michael Khoo, B.C., Lim, S.L. and Lee, M.H. (2017). A Direct Procedure for Monitoring the Coefficient of Variation using a Variable Sample Size Scheme. Communications in Statistics – Simulation and Computation, 46 (6), 4210 – 4225.
  50. Lee, M.H. and Michael Khoo, B.C. (2017). Optimal Design of Synthetic np Control Chart based on Median Run Length. Communications in Statistics – Theory and Methods, 46 (17), 8544 – 8556.

Conference Proceedings (Last 3 Years)

  1. Teoh, W.L., Michael Khoo, B.C., Yeong, W.C. and Teh, S.Y. (2015). The Median Run Length of the  Variable Sample Size Chart with Unknown Process Parameters. Proceedings of the 2nd International Conference on Mathematical Sciences and Computer Engineering (ICMSCE 2015), 15 20.
  2. Yeong, W.C., Michael Khoo, B.C., Lim, S.L. and Teoh, W.L. (2015). Effects of Misspecification of the Loss Function on the Economic-Statistical Design of the Synthetic Chart. ProceedingsofIEEE2015 International Conference on Computer, Communication and Control Technology (I4CT 2015), 77 – 81.
  3. Chong, J.K., Teoh, W.L., Yeong, W.C., Michael Khoo, B.C. and Teh, S.Y. (2015). A Study of the Run Length Distribution of the Run Sum Chart. Proceedings ofInternational Conference on Business, Accounting, Finance and Economics 2015 (BAFE 2015), 625 – 634.
  4. Michael Khoo, B.C., Khoo, J.L., Yeong, W.C. and Teoh, W.L. (2016). A Comparative Study between the Variable Sampling Interval and Double Sampling Charts. Proceedings of 2016 IEEE International Conference on Control and Robotics Engineering (ICCRE 2016), 16 – 19.
  5. Yeong, W.C., Michael Khoo, B.C., Lim, S.L., Teoh, W.L. and Khaw, K.W. (2016). Cost Optimization Models for Multivariate Control Charts. Proceedings of 5th Global Business and Finance Research Conference, 1 – 13.
  6. Michael Khoo, B.C., Yeong, W.C., Choong, J.Y., Teoh, W.L. and Teh, S.Y. (2016). Performance Comparison of the Run Sum t, EWMA t and Standard t Control Charts. International Conference Proceedings of EAP (RDET-16), 1 – 4.
  7. Tham, L.K., Yeong, W.C., Michael Khoo, B.C., Lim, S.L., Teoh, W.L. and Ng, P.S. (2016). A Variable Sampling Interval Control Chart for the Coefficient of Variation with Unknown Shift Size. Proceedings of the 13th International Conference on Innovation & Management, 1251 – 1257.

Others

Bodies & Professional: American Society for Quality (ASQ)

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