Kadir Ertoğral
Associate Professor
TOBB Industrial Engineering Department Söğütözü Cad. No:43 06560
Ankara-TURKEY Phone : + 90-312-2924269 Fax : + 90-312-2924091 E-mail : kertogral (@)
etu.edu.tr |
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Ph. D. Industrial and Systems Engineering,
Lehigh University, USA.
M.S. Industrial and Systems Engineering, Lehigh
University, USA.
B.S. Industrial Engineering, Gazi University,
TURKEY.
Supply chain management and
Logistics
Integration of inventory control
and transportation planning
Vendor-Buyer models
Multi item inventory control
Strategic Fleet Sizing
Production and capacity planning
in MRO industry
Staff scheduling
Tools used; Mathematical programming and
decomposition techniques, Meta-heuristics, System simulation
Software used: C++, AMPL/CPLEX, LINGO, MAPLE,
ARENA, AWESIM, PROMODEL, GPSS, STATGRAFICS, MINITAB, NeuralWare.
Associate Professor, TOBB ETU,
Consultant on system
analysis and improvement, Inventory analysis and control department, Turkish Ministry of Health,
October 2011-March 2012
Consultant on costing
and performance evaluation for Turkish National Institute of Statistics, September 2010 – January
2011
Assistant Professor, TOBB ETU,
Assistant Professor, King Fahd University of
Petroleum and Minerals (KFUPM), Systems Engineering (Industrial
Consultant on system
simulation, Saudi Ma’deen Inc., February 2006 - April 2006.
Instructor, Industrial and Systems
Engineering,
Research Assistant, Manufacturing Logistics
Institute,
Teaching Assistant, Industrial and Systems
Engineering,
·
Member of the
research team from Manufacturing Logistics Institute of Lehigh University and
Wharton School of University of Pennsylvania on an NSF funded
project “Distributed Decision Framework Integrating Manufacturing Planning
and Multiple Supply Chain Management” (#DMI-9634808).
·
Member of the
research team from Manufacturing Logistics Institute of Lehigh University on a
project with Lucent Technologies, titled “Modeling the Integrated Circuit
Supply Chain”
·
Co-investigator in a
project titled “INTEGRATED MANUFACTURER-RETAILER SUPPLY CHAIN MODELS”, two-year
project, funded by KFUPM
·
Principal (sole)
investigator in a project titled “MULTI ITEM INVENTORY ORDERING PROBLEM WITH
TRANSPORTATION COST”, (9/2005-), 1.5-year project, funded by SABIC (Saudi Basic
Industries)/FAST TRACK
·
Investigator, ”Demand management, overhaul scheduling, and inventory control
for the maintenance and repair operations in airline industry“, one year
project, funded TUBITAK BIDEB, Program 2219 , 2014.
·
Principal
investigator, ”Integrated production scheduling and
workforce capacity planning model for the maintenance and repair operations in
airline industry “, one year project, funded TUBITAK BIDEB, Program 2219 ,
2018.
Journal papers
indexed in SCI/SCI-E and number of citations in google scholar
·
N. Karimi and K. Ertogral, “A strategic fleet sizing problem in vendor
managed inventory system with predetermined delivery frequencies; A model and
analysis”, in press, Computers and
Industrial Engineering, Vol. 127, 778-787, 2019.
·
K. Ertogral and F. S. Öztürk, “Integrated production scheduling
and workforce capacity planning model for the maintenance and repair operations
in airline industry”, in press, Computers and Industrial Engineering, Vol.
127, 832-840, 2019.
·
K. Ertogral, A. Akbalik Raphine, and S.
Gonzales, “Modelling and Analysis of the Strategic Fleet Sizing Problem for a
Furniture Distributor”, European Journal
of Industrial Engineering, Vol.11, No.1, pp.49 – 77, 2017.
·
M. Erkoc and K. Ertogral, “Overhaul planning and exchange scheduling
for maintenance services with rotable inventory
and limited processing capacity”, Computers
and Industrial Engineering, Vol. 98, 30-39, 2016.
·
K. Ertogral, Erkoc, M., and D. H. Ülker, “A production scheduling model and analysis for the
maintenance repair and overhaul service providers”, Journal of the Faculty of Engineering and Architecture of Gazi University, 30(3), 513-522, 2015.
·
K. Ertogral, “A Vendor-buyer lot sizing problem with stochastic
demand: An exact procedure under service level approach”, European Journal of Industrial Engineering, vol.
5/1, 101-110, 2011.
·
R. Sahin, K. Ertogral,
and O. Turkbey, “A Simulated Annealing Heuristic
for the Dynamic Layout Problem with Budget Constraint”, Computers & Industrial Engineering, vol.
59/2, 308-313, 2010.
·
K. Ertogral, “A Multi Item Single Source Inventory Ordering
Problem with Transportation Cost: A Lagrangean Decomposition
Approach”, European Journal of
Operational Research, vol. 191, 154-163, 2008.
·
K. Ertogral and B. Bamuqabel,
“Developing staff schedules for a bilingual call center with flexible
workers”, Computers & Industrial
Engineering, vol. 54/1, 118-127, 2008.
·
M. Ben-Daya, M. Darwish, and K. Ertogral,
“Joint economic lot sizing problem; A Review and extensions”, European Journal of Operational Research, vol.
185/2, 726-742, 2008.
·
K Ertogral, M. Ben-Daya, and M. Darwish, “Production and shipment lot sizing in
vendor-buyer supply chain with transportation cost”, European Journal of Operational Research, vol. 176, 1592-1606,
2007.
·
K. Ertogral and M. Rahim, “Replenish-up-to inventory
control policy with random replenishment intervals”, International Journal of Production Economics, vol. 93-94, 399-405,
2005.
·
K. Ertogral and S. D., Wu, “Auction-theoretic coordination
of production planning in the supply chain”, IIE Transactions, vol.32, no.10, 931-940, 2000.
(Total number of citations in google scholar 930,
h-index=10)
Other publications
·
Ertogral, K., Wu, S. D., “A
bargaining game for supply chain contracting”, Lehigh University,
Department of Industrial Engineering, Technical Report, No: 00T-012, 2001.
(Cited 42 times in google scholar)
·
S. S. Azhar Ali, K. Ertogral, “Optimization Techniques in Chemical
Processes”, Asian Journal of Engineering,
Sciences & Technology, vol. 1/2, 73-78, 2011.
Under review/in
progress works for journal publication
·
K. Ertogral and F. S. Öztürk, “A fix and optimize heuristic
for the integrated production scheduling and workforce capacity planning model
for the maintenance and repair operations in airline industry”, manuscript in progress
·
E. G. Göçer, S. Tekin, and K. Ertogral, “Integrated assembly line balancing and buffer
allocation problem; A Heuristic approach”,
manuscript in progress
·
K. Ertogral, D. H. Ülker, and M. Erkoc, “A problem space search based heuristic solution
approach for overhaul planning and exchange scheduling in maintenance services
with multiple types rotable inventories”, manuscript in progress
·
B. C. İnanç and K. Ertogral, and K. Derinkuyu,
“Optimization of the regional allocation of wind power generation capacity in
Turkey”, manuscript in progress
Refereed Conferences
with proceedings
·
N. D. Karimi and K. Ertogral,
“Strategic Fleet Sizing Problem in A Vendor Managed Inventory System with
Predetermined Delivery Frequencies; A Fix and Optimize Heuristic”, Proceedings
of the 2018 IISE Annual Conference, Orlando, USA.
·
Tokgöz, M. S., and Ertogral
K, “A fix and optimize heuristic for transportation planning in a single
producer multi buyer system”, Proceedings of the XIII. International Logistics
& Supply Chain Congress, İzmir, Turkey, 2015.
·
H. Bayram, R. Şahin and K. Ertogral, “A linear programming embedded meta-heuristic for
solving multi period cellular manufacturing system design problem”, Proceedings
of CIE44 & IMSS’14, 14-16 October 2014, Istanbul / Turkey.
·
K. Ertogral, and A. Akgunduz,
“Operator Scheduling Under the Lean Manufacturing Principles in Over-Size
Product Manufacturing Facilities”, 4th International
Conference on Changeable, Agile, Reconfigurable and Virtual Production,
Montreal, Canada October, 2011.
·
R. Sahin, K. Ertogral, and, O Turkbey, “A
simulated annealing heuristic for dynamic layout problem with budget
constraint”, Proceedings of 6th International
Symposium on Intelligent and Manufacturing Systems, Sakarya,
Turkey, October 2008.
·
K. Ertogral, “Vendor Buyer Lot Sizing Problem with Stochastic
Demand: A Service Level Approach”, Proceedings of the14th International
Annual EurOMA Conference, Ankara, Turkey,
June 2007.
·
K. Ertogral, “Multi item single source ordering problem; A
simulated annealing approach employing simulation”, Proceedings of the 6th Meta-heuristics International
Conference, Vienna, Austria, August 2005.
·
M. Darwish, K. Ertogral,
and M. Ben-Daya, “Geometric policy with
transportation cost for joint economic lot sizing problem”, Proceedings of the 2nd International Industrial Engineering Conference,
December 2004, Riyadh, Saudi Arabia.
·
A. S. Azhar, K. Ertogral, and H.
N. Al-Duwaish, “Optimization Techniques in Chemical
Processes“, Proceedings of the 2nd IEEE GCC 2004 Conference, Manama,
Bahrain, November 2004.
·
K. Ertogral, M. Ben-Daya, and M. Darwish, "Integrated Analysis of
production-inventory-transportation planning in two stage supply chains",
Proceedings of the 6th Saudi Engineering
Conference, Dhahran, Saudi Arabia, December 2002.
·
K. Ertogral, S. D. Wu, and L. I. Burke, “Integrating
Production and Transportation Logistics in Supply Chain Environment”,
Proceedings of the 9th Industrial Engineering
Research Conference, Cleveland, OH, May, 2000. (Technical Report
98T-010, Department of IMSE, Lehigh University, 1998)
Refereed Conferences
with abstract proceedings
·
F. S. Öztürk and K. Ertogral, “An integrated production scheduling and
workforce capacity planning model and analyses for maintenance repair
operations in the airline industry”, EURO, 29th European Conference on
Operational Research, Valencia, Spain, 2018.
·
K. Ertogral, M Erkoc and D. H. Ulker, “A Problem Space Search Based Heuristic for Overhaul
Planning and Exchange Scheduling in Maintenance and Repair Operations
Management”, IISE Annual Conference, Orlando, USA, 2018.
·
Burcu Cansu İnanç,
Kadir Ertogral and Kürşad Derinkuyu, “Regional Correlation Analysis of Wind Power
Generation in Turkey”, 36th National Congress of Operations Research and
Industrial Engineering,
İzmir, Turkey, 2016.
·
M. Soydan and K. Ertogral, “A
solution approach for scheduling the feeding operations for assembly lines in a
dishwasher manufacturing plant”, 35th National Congress of
Operations Research and Industrial Engineering, Ankara, Turkey, 2015.
·
N. D. Karimi and K. Ertogral, “A model
and analysis for the strategic problem of fleet sizing and replenishment
planning problem under vendor managed inventory setting”, 35th
National Congress of Operations Research and Industrial Engineering, Ankara,
Turkey, 2015.
·
Burcu Cansu İnanç,
Kadir Ertogral, and İlay Şenköylü, “A heuristic for batching and scheduling
composite production in parallel ovens”, 27th European Conference on
Operational Research, Glasgow, England, 2015.
·
K. Ertogral, S. Tekin, M. Ekmen, R. Kızılyıldırım, and O. Eren, “A bi-criteria optimization of the material feeding
schedule in an assembly line”, 44th International Conference on
Computers and Industrial Engineering, İstanbul, October, 2014.
·
Doğukan H. Ülker, Kadir Ertogral, ve Murat Erkoç, “Devinimli Stoklu Uçak Tamir Bakım Servislerinde Üretim Çizelgeleme”, Yöneylem araştırması ve Endüstri Mühendisliği
34. Ulusal Kongresi, Bursa,
Haziran 2014.
·
Kadir Ertogral, ve Şebnem Varlı, “Devlet Hastaneleri İçin Bir Stok Yönetimi
Risk belirleme Sistematiği”,
Yöneylem araştırması ve Endüstri Mühendisliği
34. Ulusal Kongresi, Bursa,
Haziran 2014.
·
Gizem S. Nemutlu,
Kadir Ertogral, and Berrin Aytaç, “Newsvendor problem with a second order option and
transportation costs”, 26th European Conference on Operational
Research, Rome, Italy, July 2013.
·
Emre Meric, Usame Gokcek, Kadir Ertogral, and Ayse Akbalik, ”Dimensionnement de flotte de véhicules et ré-planification de distribution pour un grand distributeur demeubles en Turquie”, 13th ROADEF
Conference, Angers, France, April 2012.
·
Kadir Ertogral, and O. Dikmen,
“Coordination of the branch closing times
and scheduling the unloading operations in a
parcel transfer center“, 24th European Conference on Operational
Research, Lisbon, Portugal, July 2010.
·
O. Dikmen and Kadir Ertogral,
“Analyses of the capacity and scheduling problems in a cargo transfer center
using simulation”, YAEM (Turkish society of OR and Industrial Engineering)
conference, Istanbul, Turkey, July 2010.
·
Kadir Ertogral, Esra Ekici, Ahmet Saygın Baban, Zeynep Dönmezoğlu, Tuğçe Göllü, “A
heuristic approach for layout development in a plastic-injection workshop” YAEM
(Turkish society of OR and Industrial Engineering) conference, Ankara, Turkey,
July 2009.
·
K. Ertogral, “An optimization based heuristic approach for the
dynamic joint replenishment problem with transportations cost”, YAEM (Turkish
society of OR and Industrial Engineering)
conference, Istanbul, Turkey, July 2008.
·
K. Ertogral, “Cyclical staff scheduling and workforce
allocation application for a call center”, 21st European Conference on
Operational Research, Reykjavik, Iceland, July 2006.
·
K. Ertogral, “Multi item single source dynamic ordering
problem with transportation cost”, 20th European Conference on Operational
Research, Rhodes, Greece, July 2004.
·
K. Ertogral, M. Ben-Daya, and M. Darwish, “Production and shipment lot sizing in a two layer
supply chain”, EURO/INFORMS Joint International
Meeting, Istanbul, Turkey, July 2003.
·
K. Ertogral and M. Rahim, “Replenish-up-to Inventory
Control Policy with Random Replenishment Intervals”, 12th International
Symposium on Inventories, Budapest, Hungary, August 2002
·
K. Ertogral and S. D. Wu, “A Bargaining model of supply
contracts and an Application”, INFORMS conference, San Antonio, TX, USA,
November, 2000. (Technical Report 00T-012, Department of
IMSE, Lehigh University, 2002)
·
K. Ertogral and S. D. Wu, “Auction-like Coordination of
the Production Planning in Supply Chain Environment”, INFORMS Fall
Meeting, Philadelphia, PA, USA, 1999.
· SUPERVISED MASTER OF
SCIENCE THESIS WORK
·
ONUR DIKMEN,
“Scheduling of the transfer center and the coordination of vehicle departure
times from branches for Aras Cargo”, 2010.
·
BILAL METO, “A hybrid
genetic algorithm approach for scheduling in flexible job shop problems”, 2013.
·
GIZEM SULTAN NEMUTLU,
“Determining order size for the newsboy problem with transportation cost and
second order option”, 2013.
·
DOGUKAN HAZAR ÜLKER,
“Modeling, analyzes, and problem space search based solution approach for
scheduling maintenance repair operations in airline industry.” 2015.
·
MEHMET SERKAN TOKGOZ,
“Transportation planning in a single producer multiple customer system”, 2015.
·
MELIS OZCAN, “A
heuristic solution approach for scheduling assembly line feeding operations”,
2016.
·
NIOUSAH KARIMI
DASTJERD, “A fix-and-optimize heuristic for the integrated fleet sizing and
replenishment planning problem with predetermined delivery frequency”, 2016.
·
BURCU CANSU INANC, ”Optimization of regional allocation of wind power
capacity for Turkey”, 2017.
·
FATMA SEDANUR ÖZTÜRK,
“Integrated production scheduling and workforce capacity planning model for the
maintenance and repair operations in airline industry”, 2018.
·
ELİF GİZEM GÖÇER,
“Integrated assembly line balancing and buffer allocation problem; A Heuristic
approach”, 2018.
·
ABDURRAHMAN YAVUZ, “A
Bass-diffusion model based forecasting approach for fashion products and a real
case application”, in progress.
COURSES TAUGHT
Lehigh University; Operations Research: Stochastic models
KFUPM; Operations Research II, Stochastic System Simulation, Production
Systems and Inventory Control, Engineering Statistics I and II, Sequencing and
Scheduling, Introduction to Industrial Engineering, Numerical Methods, Advanced
Linear Programming (Graduate course), Advanced System Simulation (Graduate
Course)
TOBB ETU; Introduction to Industrial Engineering, Operations Research I
and II, Production Systems Planning, Operations Management (MBA course),
Advanced Linear Programming (Graduate course), Supply Chain Management,
Analytical Models in Supply Chain (Graduate Course)
HOBBIES
football, basketball, tennis, poetry, swimming, Turkish classical music,
instrumentals, jazz, nature and historic documentaries, traveling.
LANGUAGES
Turkish (Native tongue)
English (Advanced )
Arabic (Beginner)