Patent

The EPI model, a unique tool for measuring and assessing the ergonomic performance for any unit of analysis in any type of organization designed for the first time, has been copyrighted. (Registration Number: L-23080/2005)

Publications

1. Ray, Pradip Kumar and Sahu S, "Productivity Measurement in Multi-Product Manufacturing Firms", Engineering Costs and Production Economics, 1987, 13(4), 39-54.
2. Ray, Pradip Kumar and Sahu S "The Measurement and Evaluation of White Collar Productivity", Int. Journal of Operations and Production Management, 1989, 9(4), 29-47.
3. Ray, Pradip Kumar and Sahu S "Productivity Management in India: A Delphi Study", Int. Journal of Operations and Production Management, 1990, 10, 25-51.
4. Ray, Pradip Kumar and Sahu S "Productivity Measurement through Multi-Criteria Decision Making", Engineering Costs and Production Economics, 1990, 20, 151-163.
5. C Sateesh and Pradip Kumar Ray, "Vehicle Routing in Large Organizations: A Case Study", Int. Journal of Operations and Production Management, 1992, 12(3), 71-78.
6. Ray, Pradip Kumar and Sahu S "Productivity Measurement in Multi-Product Manufacturing Firms : Evaluation and Control through Sensitivity Analysis", Int. Journal of Production Economics, 1992, 28, 71-84.
7. Dabade B. M. and Pradip Kumar Ray, "Quality Engineering for Product and Process Performance Improvement: A Review and Reflections", Quality and Reliability Engineering International, 1996, 12, 173-189.
8. Ray Pradip Kumar, A. Bhattacharjee, S. C. Roy and B Samanta, “Human Factors Application in Mining: A Case Study”, Transactions of MGMI of India, Vol. 93, No. 1, September, 1996, 105-116.
9. Ray, Pradip Kumar, A. Bhattacharjee and B Samanta, "A Statistical Approach for Evaluating the Impact of Blending", Journal of Mines, Metals, and Fuels, Jan-Feb, 2000, 23-28.
10. Agarwal D. and Pradip Kumar Ray, “Cell Formation in Cellular Manufacturing: An AHP-based Framework for Evaluation of Various Techniques”, Int. Journal of Manufacturing Technology Management, Vol. 5, Nos. 5/6, 2003, 521-535.
11. Ohdar Rajkumar and Pradip Kumar Ray, “Performance Measurement and Evaluation of Suppliers in Supply Chain: An Evolutionary Fuzzy-based Approach”, International Journal of Manufacturing Technology Management, Vol.15, No.8, 2004, pp. 723-734.
12. Doogar Gaurav and Pradip Kumar Ray, “Analysis of Spares Parts Management System of a Mining Company using Simulation Approach”, Industrial Engineering Journal, IIIE, Bombay, India, Vol. XXXV No.9, September, 2006, pp.2-15.
13. Indrajit Mukherjee and Pradip Kumar Ray, “A Review of Optimization Techniques in Metal Cutting Processes”, International Journal of Computers & Industrial Engineering, 50 (2006), pp.15-34.
14. Indrajit Mukherjee and Pradip Kumar Ray, “Metaheuristic Strategies for Non-linear Multi-Response Grinding Process Optimization”, The ICFAI Journal of Operations Management, Vol. V, No.2, May 2006, pp. 35-56.
15. Rajkumar Ohdar and Pradip Kumar Ray, “Supply Chain Management Practices in Indian Manufacturing Companies: A Study”, The ICFAI Journal of Supply Chain Management, Vol. III, No. 4, December, 2006, pp. 7-38.
16. Indrajit Mukherjee and Pradip Kumar Ray, “Optimal Process Design of Two-Stage Multiple Response Grinding Processes using Desirability Functions and Metaheuristic Techniques”, International Journal of Applied Soft Computing, 8(1), 2007, pp. 402-421.
17. Indrajit Mukherjee and Pradip Kumar Ray, “A Modified Tabu Strategy for Continuous Variable Constrained Optimization Problem, Vision-Journal of Management and Allied Sciences, V. III (3), July-September 2007, 1-5.
18. Panja S C and Ray P K, “Reliability Analysis of ‘Point-and-Point-Machine’ of Indian Railway Signaling System”, Quality and Reliability Engineering International, 23 (2007), pp.833-848.
19. Panja S. C. and Ray P.K., “Reliability Analysis of Track Circuit of Indian Railway Signalling System”, International Journal of Reliability and Safety, Vol.1 (4), 2007, pp.428-445.
20. Indrajit Mukherjee and Pradip Kumar Ray, “A Modified Tabu Search Strategy for Multiple-Response Grinding Process Optimization”, International Journal of Intelligent Systems Technologies and Applications (IJISTA), In the Special Issue on: “Advanced Evolutionary Computational Techniques for Design, Manufacturing, Logistics and Supply Chain Problems”, V4 (N 1/2), 2008, pp 97-122.
21. Indrajit Mukherjee and Pradip Kumar Ray, “A Systematic Solution Methodology for Inferential Multivariate Modelling of Industrial Grinding Process”, International Journal of Materials Processing Technology, 196 (2008), pp. 379-392.
22. Krishna, C.M. and Ray, P.K. (2008) ‘Empirical Relationship between Product Variety, In-house Capability and Outsourcing Capability: The Case of a Watch Manufacturing Firm in India’.International Journal of Technology Marketing. 3(3): 223-258.
23. Indrajit Mukherjee and Pradip Kumar Ray, “Quality Improvement of Multistage and Multi-response Grinding Processes: An Insight into Two Different Methodologies for Parameter Optimization”, International Journal of Productivity and Quality Management, 4(5-6), 2009, pp. 613-643.
24. Panja S. C. and Ray P.K., “Failure Mode and Effect Analysis of Indian Railway Signalling System”, International Journal of Performability Engineering, Vol. 5, No. 2, January 2009, pp.131-141.
25. Shome, D., Ray, P. K. and Mahanty, B. (2009), ‘Non-contact Estimation of Surface Roughness in Turning using Computer Vision and Artificial Neural Network’, International Journal of Industrial and Systems Engineering, Vol. 4, No. 5, pp.349-367.
26. Shome, D., Ray, P. K. and Mahanty, B. (2009), ‘Quality Improvement of Machine Vision-Based Non-Contact Inspection of Surface Roughness in Turning through Adaptive Neuro-Fuzzy Interference System’, International Journal of Productivity and Quality Management, Vol. 4, No. 3, pp.324-344.
27. Maiti, J., Khanzode Vivek V. and Ray, P. K. (2009), “Severity Analysis of Indian Coal Mine Accidents – A Retrospective Study for 100 years”, Safety Science, 47, pp. 1033-1042.
28. Indrajit Mukherjee and Pradip Kumar Ray (2009),”A Case-based and Practical Approach for Multivariate Modeling of Grinding Process”, Int. Journal of Advanced Manufacturing Technology, 45:245-260.
29. Mondal, S. C., Maiti, J. and Ray, P. K. (2010), “Development of a Measurement Metric for Manufacturing Process Robustness”, Int. Journal of Productivity and Quality Management, Vol.6, No.2, 2010, pp. 156-181.
30. Nayak, N. C. and Ray, P. K. (2010), “Flexibility and Performance Relationships: Evidence from Indian Bearing Manufacturing Firm”, Int. Journal of Modelling in Operations Management, 1 (1), pp. 67-82.
31. Khanzode, V. V., J Maiti, P. K. Ray, and V. K. Tewari (2010), “Injury Severity Assessment for Underground Coalmine Workers”, Applied Ergonomics, Vol. 41, pp. 242-250.
32. Nayak, N. C. and Ray, Pradip K. (2011), “Flexibility Adoption in Indian Manufacturing Firms: a Current Perspective”, Int. Journal of Process System Engineering, Vol. 3 (3/4), pp. 267-287.
33. Khanzode, V. V., J Maiti, and P. K. Ray (2011), “Injury Count Model for Quantification of Risk of Occupational Injury”, Int. Journal of Injury Control and Safety Promotion, March, 2011, pp.1-12.
34. Sushant Tripathy, Pradip Kumar Ray and Sadananda Sahu (2011), “Performance Measurement of R&D is a Vaccine for Innovation Capability: Evidence from Indian Manufacturing Organizations”, Int. Journal of Electronic Transport, Vol.1 (1), pp.76-95.
35. Nayak, N. C. and Ray, Pradip K. (2012), “An Empirical Investigation of the Relationships between Manufacturing Flexibility and Product Quality”, Int. Journal of Modelling in Operations Management, Vol. 2 (1), pp. 26-44.
36. Chimata Murali Krishna and Pradip Kumar Ray (2012), “Capabilities of Product Development Process of a Firm: An Empirical Study’, International Journal of Innovation and Technology Management. Vol. 9, No. 4, pp.(In Press).
37. Nayak, N. C. and Ray, Pradip K. (2012), “Relating Manufacturing Flexibility and Product Quality: An Empirical Investigation”, Int. Journal of Quality and Innovation (In Press).
38. Sushant Tripathy, Pradip Kumar Ray and Sadananda Sahu (2012), “Factors Governing R&D Practices in Indian Manufacturing Firms: Structural Equation Modelling”, Int. Journal of Modelling in Operations Management, Vol. 2(1), pp.45-68.
39. Indrajit Mukherjee and Pradip Kumar Ray (2012), “Ascendancy of a Modified Tabu Search for Multistage Nonlinear Multiple Response Constrained Optimization Problem”, Int. Journal of Productivity and Quality Management, Vol.9, No.3, pp. 352-381.
40. Khanzode, V. V., J Maiti, and P. K. Ray (2012), “Occupational Injury and Accident Research: A Comprehensive Review”, Safety Science (In Press).
41. Mondal, S C, Ray, P K and Maiti, J (2012), “Modelling Robustness for Manufacturing Processes: A Critical Review”, Int. Journal of Production Research, Taylor and Francis, DOI:10.1080/00207543.2013.837588.
42. Parida, R. and Ray, P. K. (2012), “Study and Analysis of Occupational Risk Factors for Ergonomic Design of Construction Worksystems”, Work: A Journal of Prevention, Assessment & Rehabilitation, Vol. 41, pp. 3788-3794.
43. Parida, R. and Ray, P. K. (2012), “Biomechanical Evaluation of Construction Jobs for Performance Improvement”, Work: A Journal of Prevention, Assessment & Rehabilitation, Vol. 41, pp.5959-5965.
44. Ray, P.K. and Tewari, V.K.(2012), “Design and Implementation of Ergonomic Performance Measurement System at a Steel Plant in India”, Work: A Journal of Prevention, Assessment & Rehabilitation, Vol. 41, pp. 5943-5949.
45. Tewari, V.K. and Ray, P.K. (2012), “Ergonomic Design of Crane Cabins: A Case Study from a Steel Plant in India”, Work: A Journal of Prevention, Assessment & Rehabilitation, Vol. 41, pp.5972-5976.
46. Ratri Parida and Pradip Kumar Ray (2012), “A Comprehensive Framework for Physical Evaluation of Manual Material Handling Tasks”, Int. Journal of Manufacturing Technology and Management, Vol. 24, No. 1/2/3/4, pp. 153-166.
47. Ohdar, Rajkumar and Ray, Pradip Kumar (2012), “Suppliers’ Performance Evaluation and Ranking in a Supply Chain: An Analytical Hierarchy Process-Based Approach”, The IUP Journal of Supply Chain Management, Vol. IX, No. 1, 2012, pp. 1-18.
48. Mondal, S C, Maiti, J. and Ray, P K. (2013), “Modelling Robustness in Serial Multistage Manufacturing Processes”, Int. Journal of Production Research, Taylor and Francis,DOI:10.1080/00207543.2013.798052.
49. Sushant Tripathy, Pradip Kumar Ray and Sadananda Sahu (2013) “Interpretive Structural Modelling for Critical Success Factors of R&D Performance in Indian Manufacturing Firms", Journal of Modelling in Management, Vol.8, No.2 (in press).
50. Bhattacharjee, P. and Ray, P. K. (2013), “Modelling and Optimization of Healthcare Systems: An Overview”, Int. Journal of Logistic Systems and Management (in press).
51. Sameer Abdul Azeez, J Maiti, O B Krishna and P K Ray (2013), “Anthropometric Analysis of Crane Operators in Indian Steel Industry”, Industrial Engineering Journal, IIIE, Mumbai, India, Vol. VI, Issue 11, November, 2013, pp.26-35.
52. S Kushwaha, S Sikdar, I Mukherjee and P K Ray (2013), “A Modified Desirabiliy Function Approach for Mean-Variance Optimization of Multiple Responses”, Int. Journal of Software Science and Computational Intelligence, IGI Global, 5(3), July-September 2013, pp. 7-21.
53. Basu, Bhaskar and Ray, Pradip Kumar (2014), "Measuring and Evaluating KM Capability in an Organization: An Exploratory Case Study", VINE: The Journal of Information and Knowledge Management Systems, Emerald, Vol.44, No.2, pp.267-294.
54. O B Krishna, J Maiti, P K Ray and Saptarshi Mandal (2015), “Assessment of risk of musculoskeletal disorders among crane operators in a steel plant: A data mining based analysis”, Human Factors and Ergonomics in Manufacturing and Services, Wiley-Blackwell, 25, pp. 559-572.
55. Bhattacharjee, P. and Pradip Kumar Ray (2014), “Patient Flow Modelling and Performance Analysis of Healthcare Delivery Processes in Hospitals: A Review and Reflections”, Computers and Industrial Engineering, 78, pp.299-312.
56. Bhattacharjee, P. and Pradip Kumar Ray (2014), “Modelling and Optimization of Healthcare Systems: An Overview”, Int. Journal of Logistics Systems and Management, Vol. 19, No. 3, pp. 356-371.
57. Krishna, O B, Maiti, J, Ray, P K, B Samanta, Saptarshi Mandal and Sobhan Sarkar (2015),"Measurement and Modeling of Job Stress of EOT Crane Operators”, Safety and Health at Work, Elsevier, 6 (4), pp. 279-288.
58. Mondal, S C, Maiti, J. and Ray, P K. (2016), “Modelling Process Robustness: A Case Study of Centrifugal Casting”, Production Planning and Control, Taylor and Francis, 27 (3), pp. 169-182.
59. Nayak, N C and Ray, P K (2015), “Flexibility and Quality Aspects of Indian Manufacturing Management Practices: An Empirical Investigation”, Journal of Production Engineering, 18 (1): 81-86.
60. Papiya Bhattacharjee and Pradip Kumar Ray (2016), “Simulation Modelling and Analysis of Appointment System Performance for Multiple Classes of Patients in a Hospital: A Case Study”, Operations Research for Health Care, Elsevier, Vol.8, pp.71-84.
61. Pradip Kumar Ray, Ratri Parida and Esha Saha (2015), “Status Survey of Occupational Risk Factors of Manual Material Handling Tasks at a Construction Site in India”, Procedia Manufacturing, Elsevier, 3 (2015):6579-6586.
62. Pradip Kumar Ray, Ratri Parida and Sagar Sarkar (2015), “Ergonomic Analysis of Construction Jobs in India: A biomechanical modelling approach”, Procedia Manufacturing, Elsevier, 3 (2015): 4606-4612.
63. Ratri Parida and Pradip Kumar Ray (2015), “Factors Influencing Construction Ergonomic Performance in India”, Procedia Manufacturing, Elsevier, 3 (2015): 6587-6592.
64. Ratri Parida and Pradip Kumar Ray (2015), “Biomechanical Modelling of Manual Material Handling Tasks: A Comprehensive Review”, Procedia Manufacturing, Elsevier, 3 (2015): 4598-4605.