Sofia Panagiotidou

Sofia Panagiotidou, Associate Professor, Director of the Laboratory
University of Western Macedonia
Department of Mechanical Engineering
Bakola and Sialvera, 50132, Kozani (office No: 105).
+30 24610 56643
span(at)uowm.gr


Personal Information

Nationality: Hellenic

Date of Birth: January, 16th 1977

Birth Place: Kozani


Education

2002 – 2006. PhD in Aristotle University of Thessaloniki (A.U.Th), Polytechnic School, Department of Mechanical Engineering, Industrial Management Division “Optimal Planning of Integrated Preventive Quality Control and Equipment Maintenance Procedures“. Supervisor: Professor George Tagaras 

2000 – 2002. MSc in Management of Production Systems, Aristotle University of Thessaloniki

1995 – 2000. 5-year Diploma in Mechanical Engineering, Aristotle University of Thessaloniki, Polytechnic School, Department of Mechanical Engineering


PostDoc Research

Department of Mechanical Engineering, Aristotle University of Thessaloniki (July 2006 – August 2006 and November 2006 – December 2006)

Econometrics Institute, Erasmus University of Rotterdam, Netherlands (September 2006 – October 2006)


Current Academic Rank

Associate Professor of Stochastic Techniques in Production Management and Quality Control

Department of Mechanical Engineering

University of Western Macedonia

Kozani, Greece


Research Interests

Reliability and Maintenance

Statistical Process Control

Inventory Control / Supply Chain Management

Stochastic Optimization


Funded Research

“Business plan and techno-economic study of a commercial road-vehicle”, funded by the Hellenic Vehicle Industry S.A., Jan. 2002 – Feb. 2002.

“Optimal Planning of Integrated Preventive Quality Control and Equipment Maintenance Procedures”, funded by the Greek Ministry of Higher Education, Nov. 2002 – Nov. 2005.

“Investigation in Integrated Procedures of Quality Assurance, Preventive Maintenance and Management of Reverse Supply Chains”, funded by the Greek Ministry of Higher Education, Jan. 2006 – Dec. 2006.

“Training Material in Maintenance”, Leonardo Da Vinci, E.C, DG Education and Culture, Jan. 2007 – Jan. 2009. 

“Encouragement of business actions of innovative applications and student courses at the University of Western Macedonia”,Operational Programme for Education and Initial Vocational Training, Nov. 2006 – Jun. 2007.

“Development of an Inventory Management System for Critical Stock Keeping Units”, funded by RODA S.A., Feb. 2007 – Jun. 2007. 

“ILearn2Main: Industrial Training System for Modern Enterprise Maintenance”, Leonardo Da Vinci, E.C, DG Education and Culture, Nov. 2007 – Oct. 2009.

“Development of an intelligent, dynamic information system for the detection and prediction of failures and non-optimal operation in an industrial environment”, funded by Souroti S.A., Kri Kri S.A., Alfa Beta Roto S.A., Jul. 2011 – Oct. 2013.

“Subcontracting (main DSS: An Intelligent DSS System for Maintenance Activities in the Manufacturing Sector”, University of Western Macedonia., Apr. 2012 – Aug. 2012.

“Support of Curriculum in Polytechnic Departments”, University of Western Macedonia., Nov. 2012 – Feb. 2013.

“Analysis of Supply and Production Systems: an Integrated Approach”,  Funded by the European Union (European Social Fund – ESF) Jan. 2013 – December 2013.

“Support of research activities in the Laboratory of Business Administration in the department of Mechanical Engineering”, Aristotle University of Thessaloniki., Mar. 2013 – Dec 2013.

“Air Quality in Western Macedonia: The Impact of Climate Change and the Transition to the Post-Lignite Age”, Support for Regional Excellence, Departments of Chemical Engineering and Mechanical Engineering, University of Western Macedonia, 2019 – 2022.


Teaching Experience

Teaching assistant

Department of Mechanical Engineering, Aristotle University of Thessaloniki (2000 – 2006): Statistics, Reliability and Maintenance Management, Operations Research, Multivariate Statistics, Statistical Quality Control, Inventory Control and Supply Chain Management

Instructor

University of Western Macedonia,  Department of Mechanical Engineering and Department of Informatics and Telecommunications Engineering, (2007 – ): Statistics, Economics, Operations Research II, Industrial Management, Quality Control, Multivariate Statistics, Design and Analysis of Experiments, Decision Analysis

Department of Mechanical Engineering, Aristotle University of Thessaloniki (2009-10): Operations Research II

Department of Production and Management Engineering, Democritus University of Thrace (2007-11): Quality Control, Statistics and Probabilities, Simulation

Department of Marketing and Operations Management, University of Macedonia (2008-09): Simulation

Department of Mechanical Engineering, University of Western Macedonia (2017-18): Masters Degree Programme: “Energy Technologies and Management”. Participation in the teaching process of the course: “Measurement and Control of Production and Energy Transfer Processes”

Department of Mechanical Engineering, University of Western Macedonia (2017-18): Masters Degree Programme: “Biomedical Engineering”.Participation in the teaching process of the course:”Experimental Biomechanics”

Hellenic Open University, (2013 – 2019): Basic Tools and Techniques for Quality Control, Master’s Degree Programme: “Quality Assurance”


Supervision of Theses and Dissertations

Diploma Theses

Supervision of dozens of Diploma Theses as a Professor in the Department of Mechanical Engineering at the University of Western Macedonia.

Master Theses

Supervision of dozens of Master Theses as a Teaching Associate in the Hellenic Open University.

PhD Dissertations

Member of the Examination Committee in the PhD Dissertation of Mr. Konstantinos Tasias in the Department of Mechanical Engineering at the University of Western Macedonia, December 5th, 2016. (Dissertation title: “Development and Analysis of Advanced Adaptive Statistical Process Control Charts for the Joint Monitoring of Variables’ Central Tendency and Dispersion”).

Supervison of the PhD Dissertation: “Development and Optimization of Advanced Stochastic Models for Preventive Maintenance”. Dimitrios Kampitsis, Department of Mechanical Engineering, University of Western Macedonia, ongoing.


Journal Publications

Panagiotidou, S. and G. Tagaras, 2007, “Optimal preventive maintenance for equipment with two quality states and general failure time distributions”, European Journal of Operational Research, 180 (1), 329-353.

Panagiotidou, S. and G. Tagaras, 2008, “Evaluation of Maintenance Policies for Equipment Subject to Quality Shifts and Failures”, International Journal of Production Research, 46 (20), 5761-5779.

Panagiotidou, S. and G. Nenes, 2009, “An economically designed, integrated quality and maintenance model using an adaptive Shewhart chart”, Reliability Engineering and System Safety, 94 (3), 732-741.

Nenes, G., Panagiotidou, S. and G. Tagaras, 2010, “Inventory management of multiple items with irregular demand: A case study”, European Journal of Operational Research, 205 (2), 313-324.

Nenes, G., Panagiotidou, S. and R. Dekker, 2010, “Inventory control policies for inspection and remanufacturing of returns: A case study”, International Journal of Production Economics, 125 (2), 300-312.

Panagiotidou, S. and G. Tagaras, 2010, “Statistical Process Control and Condition-Based Maintenance: a meaningful relationship through data sharing”, Production and Operations Management, 19 (2), 156-171.

Nenes, G. and S. Panagiotidou, 2011, “A Bayesian model for the joint optimization of quality and maintenance decisions”, Quality and Reliability Engineering International, 27 (2), 149-163.

Panagiotidou, S. and G. Tagaras, 2012, “Optimal Integrated Process Control and Maintenance under General Deterioration”, Reliability Engineering and System Safety, 104, 58-70.

Panagiotidou, S., Nenes, G. and C. Zikopoulos, 2013, “Optimal procurement and sampling decisions under stochastic yield of returns in reverse supply chains”, OR Spectrum, 35 (1), 1-32.

Nenes, G. and S. Panagiotidou, 2013, “An Adaptive Bayesian Scheme for Joint Monitoring of Process Mean and Variance”, Computers and Operations Research, 40 (11), 2801-2815.

Panagiotidou, S., 2014, “Joint optimization of spare parts ordering and maintenance policies for multiple identical items subject to silent failures”, European Journal of Operational Research, 235 (1), 300-314.

Nenes, G., Castagliola. P., Celano, G. and S. Panagiotidou, 2014, “The Variable Sampling Interval control chart for finite-horizon processes”, IIE Transactions, 46 (10), 1050-1065.

Tsouknidas, A., Anagnostidis, K., Panagiotidou, S. and N. Michailidis, 2015, “The effect of osteoarthritis on the regional anatomical variation of subchondral trabecular bone in the femoral head”, Clinical Biomechanics, 30, 418-423.

Skodras, G., Panagiotidou, S., Kokorotsikos, P. and M. Serafidou, 2016, “Potassium catalyzed hydrogasification of low-rank coal for synthetic natural gas production”, Open Chemistry, 14, 92-102.

Panagiotidou, S., Nenes, G., Zikopoulos, C. and G. Tagaras, 2017, “Joint Optimization of Manufacturing / Remanufacturing Lot Sizes under Imperfect Information on Returns Quality”, European Journal of Operational Research, 258 (2), 537-551.

Panagiotidou, S., Nenes, G., and P. Georgopoulos, 2018, “A Sequential Monitoring Bayesian Control Scheme for Attributes”, Quality Technology and Quantitative Management, in press.

Panagiotidou, S., 2019, “Joint Optimization of Spare Parts Ordering and Age-Based Preventive Replacement”, International Journal of Production Research, accepted paper.


Chapters in Books

Panagiotidou, S. and G. Tagaras, “End – of – life tire recovery: the Thessaloniki initiative”, Managing Closed – Loop Supply Chains, Flapper S.D.P., van Nunen J.A.E.E., van Wassenhove L.N., Springer (Eds), 2005, Chapter 17, pp. 183 – 193.


Chapters in Collective Volumes

Zikopoulos, C, Panagiotidou, S., Nenes, G., 2010. The Value of Sampling Inspection in a Single-Period Remanufacturing System with Stochastic Returns Yield. In B. Vallespir and T. Alix. Advances in Production Management Systems. New Challenges, New Approaches. IFIP Advances in Information and Communication Technology, Volume 338, 128-135. (article presented in International Conference on Advances in Production Management Systems, Bordeaux, France, September 19-23)


Other Publications

Nenes, G., Panagiotidou, S., Tagaras, G., 2011. Customized Inventory Management, OR/MS Today, 38 (2), 22.


Publications in Conference Proceedings

Tagaras, G. and S. Panagiotidou, “Optimal Preventive Maintenance Policy of Equipment with Two Operational States”, 1st Pan-hellenic Conference of Mechanical – Electrical Engineers, Athens 2005 (online version in Greek), Republication in Pan-Hellenic Unionof Dipl. Mechanical/ElectricalEngineers, issue 383 (Dec. 2005 – Jan. 2006), pp. 34-41.

Bakouros, Y. and S. Panagiotidou, “An analysis of maintenance education and training needs in european SMEs and an IT platform enriching maintenance curricula with industrial expertise”, 5th International Conference on Condition Monitoring and Machinery Failure Prevention Technologies, Edinburgh, United Kingdom, July 15-18, 2008, pp. 101-109.

Zikopoulos, C., Panagiotidou, S. and G. Nenes, “The Value of Sampling Inspection in a Single-Period Remanufacturing System with Stochastic Returns Yield”, 13th International Conference on Advances in Production Management Systems, Bordeaux, France, September 19-23, 2009.

Nenes, G., Panagiotidou, S., Tagaras, G. and C. Zikopoulos, “Optimal Disposition of Returns Based on Inaccurate Quality Assessment Procedures”. IFAC Conference on Manufacturing Modelling, Management and Control, Saint Petersburg, Russia, June 19-21, pp. 1302-1307, 2013.

Tasias, A.K., Nenes, G. and S. Panagiotidou, “A multivariate model for holistic optimization of continuously monitored processes”. 32nd Panhellenic Statistical Conference, Ioannina, Greece, 30 May – 1 June. (in Grrek)


Conference Presentations

Panagiotidou, S. and G. Tagaras, “Integrating Preventive Maintenance and Statistical Process Control”, 5th EURO/INFORMS Joint International Meeting, Istanbul, Turkey, 2003.

Panagiotidou, S. and G. Tagaras, “Optimal preventive maintenance policies for equipment with multiple operating states”, 20th European Conference on Operational Research – EURO XX, Rhodes, Greece, 2004.

Panagiotidou, S. and G. Tagaras, “Optimal Preventive Maintenance Policies for Stochastically Deteriorating Two-State Processes”, INFORMS Annual Meeting, San Francisco, California, 2005.

Panagiotidou, S. and G. Tagaras, “Optimal Preventive Maintenance and Quality Control Policies for Two-State Processes”, INFORMS International Conference, Hong Kong, 2006.

Tagaras, G. and S. Panagiotidou, “Joint Economic Design of SPC and Preventive Maintenance”, 22nd European Conference on Operational Research –  EURO XXII, Prague, Czech Republic, 2007.

Nenes, G. and S. Panagiotidou, “Variable-parameter Shewhart charts integrating quality and maintenance decisions”, 23rd European Conference on Operational Research – EURO XXIII, Bonn, Germany, 2009.

Nenes, G., Panagiotidou, S. and G.Tagaras, “Inventory management of multiple items with irregular demand: A case study”, 24th European Conference on Operational Research – EURO XXIV, Lisbon, Portugal, 2010. Invited presentation, one of the 6 finalists for the Euro Excellence in Practice Award

Nenes, G. and S. Panagiotidou, “An adaptive Bayesian scheme for joint monitoring of process mean and variance”, 25th European Conference on Operational Research – EURO XXV, Vilnius, Lithuania, 2012.

Nenes, G., Panagiotidou, S., Zikopoulos, C, 2015. Joint Optimization of Procurement Lot-sizes in Hybrid Manufacturing / Remanufacturing Systems with Imperfect Quality Information of Returns. 1st International Conference on Agrifood Supply Chain Management & Green Logistics, Porto Carras, Halkidiki, Greece, 27-30 May.

Tasias, A. K., Nenes, G., Panagiotidou, S., 2018. Integrated Production Process Optimization: A Bayesian Approach. International Symposium on Business and Industrial Statistics, Piraeus, Greece, 4-6 July.

Tasias, A. K., Nenes, G. and S. Panagiotidou,  “A Bayesian Production, Maintenance and Quality Model for Processes in Big Data Environments”, 30th European Conference on Operational Research, Dublin, Ireland, 22-26 June, 2019.


Reviewer Service

As a Member of the Editorial Review Board

Production and Operations Management

As a Reviewer

Applied Mathematical Modeling

Communications in Statistics – Simulation and Computations

Communications in Statistics – Theory and Methods

Computers and Industrial Engineering

European Journal of Operational Research

IEEE Transactions on Systems, Man and Cybernetics: Systems

International Journal of Production Economics

International Journal of Production Research

International Journal of Systems Science

Journal of Applied Statistics

Journal of Risk and Reliability

Journal of the Operational Research Society

MIS Quarterly

Omega

OR Spectrum


Distinctions and Scholarships

Master Scholarships from:

            the Research Committee of AUTh (2000-2002).

            the Greek National Scholarship Foundation (2000-2002).

PhD Scholarship from the Greek National Scholarship Foundation (Oct. 2003 – Jul. 2006).

Three year PhD Scholarship from the HERACLITUS Programme (Nov. 2002 – Nov. 2005)

PostDoc Scholarship from the Research Committee of Aristotle University of Thessaloniki (Jan. 2011 – Dec. 2011).

Finalist in Euro Excellence in Practice Competition with “Inventory Management of Multiple Items with Irregular Demand: A Case Study”, EURO XXIV Conference, Lisbon, Portugal, 2010.


Languages

Greek, Mother Tongue

English, Cambridge Proficiency

German, Zertifikat