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Nick Sigrimis, PhD
Professor AUA
Agricultural University of Athens >>
Dept of Ag. Engineering >>
Lab. of Machinery and Automation >>, Director
Leader of MACQU>> team
75 Iera odos Athens 118 55 – Greece,
Tel: +30-1-5294036, Fax: +30-1-5294039,
[email protected]
Founder of Geomations SA >>
Chairman of CIGR section VII on IT>>.
Biographical information and Interests
Research and Results
Main Achievements, Recognition and Int’l Involvement
Societies
Publications
Special issues
Keynotes
Invited papers, Books and Chapters
Scientific Journals
Int’l Conferences
Seminars
Biographical information and Interests
BIRTH DATE: 26/06/48,
Nationality: GREEK (born in Nafplion - Nauplia)
EDUCATION
-Bachelor: Agricultural Sciences. Agricultural University of Athens - (AUA, 1972)
-M.S. :CORNELL UNIVERSITY – School of Engineering (1977-79)/Ag. Engineering
"The Performance of a Producer Gas-Internal Combustion Engine
System as Influenced by Gasifier Design"
First prize award (1980) in USA National Competition on Mechanical Design
-PhD: CORNELL UNIVERSITY - School of Engineering (1979-82)/electronics, computer systems,
automatic control/
«A passive Transponder System» PhD Thesis, Cornell University
"Remote Passive Identification System". U.S. Patent and Trademark Office No 4,510,495.
April 9, 1985. , European Patent Office EPO#83903023.6- (54 citations).
ID References
TEXΑS ΙΝSTRUMEΝTS ΙΝC (US), “Communication system for communicating with tags”,
EPODOC / ΕΡΟ, ΡΝ - US5640151 Α 19970617
More>>
PROFESSIONAL EXPERIENCE
Engineering management, Business Operations, Department Head, International Scientific
Organizations (chapter chair), Project management, Systems Engineering.
RESEARCH INTERESTS
Application fields of: Environmental management, weather modifications operations, energy
systems, Water Resource Management, Water Network Management, Plant and Animal Factories,
Hydroponics, Integrated Production Management, Food Traceability, GIS and Precision Agriculture,
Robotics for agricultural processes, advanced automation applications, mechanisation and
automation in Agriculture, SCADA systems.
Basic fields of: Operations research, code design, analysis and design of optimal control systems,
instrumentation and signal processing, process control, biological modelling, bio-electronics and
biosensors, neural networks, fuzzy systems.
Research and Results
CURRENT RESEARCH
1994-98, MACQU: Management and Control for QUality in greenhouses, EU 1,350KEuro,
Coordinator
Project outcome: A complete SCADA system, with spin-offs, and a Greek patent.
1999-2001, MACQU_D: International Demonstration of MACQU, EU 245KECU, Coordinator
Project outcome: a commercialized CIMIC (Computer Integrated Management and Intelligent
Control) product, (see illustrative sheet.)
1997-2001 SYN96, YPER97: Greek R&D programs on Field Implementations of MACQU,
GSRT(GR), 120KEuro,
2000-2003, HORTIMED, Sustainable Water management, EU 1,130KEuro, Coordinator
Project outcome: An off-line and an on-line Decision Support System (operations research online) for water resources management. Patented and licensed to GEOMATIONS SA
2002-2003 MACQU_systems develop a spin-off company, GSRT(GR) PRAXE-phase A, 38KEuro,
2004-2007 GEOMATIONS SA, GSRT PRAXE-Phase B, develop a spinoff company (1.6 MEuro)
RESEARCH PRODUCTS
1. Int’l patent (Pat # 4,510,495 - 1985) for “Remote Electronic Passive Identification”.
European Patent Office #83903023.6- (54 citations). More >>
2. US Patent (# 4,618,861 - 1986) for Passive Activity Monitor in Livestock. More >>
3. Greek patent, (OBI # ΠΥΧ 2002-371) on “A pumping and dosing device for
corrosive chemicals in mixing processes” Picked up by MACQU-H (more>>)
4. Greek patent applications pending
a) 20030100244 Smart hydroponics device for Integrated production
b) 20030100245 Intelligent and flexible Climate controller for Integrated Production
c) 20030100243 Intelligent Fisheries Feed Automation for Integrated Production
5. MACQU technologies (licensed to Geomations SA).
 MACQU=Management And Control for QUality,
a Generic advanced SCADA system, Simulink interface
MACQU cluster of products (licensed to GEOMATIONS SA)
 MACQU-C:Climate Management software for Greenhouses–
 MACQU-H: Hydroponics machine –Visual C windows XP Environment,.
 MACQU-Ir: Irrigation Management System (Farms, Green Parks, Highways), -Greece
 MACQU-F: Fishery automation (air-transport feeding) – Greece
 MACQU-A: A special configuration of MACQU-C for Animal building operations management.
 MACQU-M: A special configuration of MACQU-C for mushrooms production.
Main Achievements, Recognition and Int’l Involvement
1. Teaching award (Cornell 1980) for the graduate course, Instrumentation (652).
2. First prize award (1980) in USA National Competition on Mechanical Design (MS design project
on wood gasification) .
3. Member (1989-) of the managing committee of the EUROPEAN COMMUNITY RESEARCH
CLUB for Advanced Engineering in Agriculture (presently ENGAGE www?????).
4. Member (1991-95) of the Technical Committee (EES-41.standards) of the American Society of
Agricultural Engineers.
5. Editorial Board (1994-) of the Journal of Ag. Engineering Research (Journal of
Biosystems Engineering since 2002) & 1998 member of the Board of Inscight (Academic
Press.
6. Member (1995-) of the Technical Committee on Artificial Intelligence in Agricultural Applications of
the IFAC (International Federation on Automatic Control).
7. Member (1997) of the Technical Board of CIGR (Commission International de Genie Rural)
section II.
8. Editorial Board (1998) of the (CIGR) Electronic Journal.
Recent activity
9. Organiser (1998), 1st IFAC CAEA workshop on Control Applications and Ergonomics in
Agriculture, June 18-21, Athens Greece.
10. IFAC recognition for contributions more>>
11. Invited tutorial speaker in World IFAC Congress, China 1999, “Information Systems to manage
the Greenhouse business”.
12. Plenary speaker on “Progress of, and expectations from, Precision Agriculture” in EFITA
(European Federation for Information Technologies in Agriculture) conference, Bonn 1999.
13. Guest editor for special issue of Computers and Electronics in Agriculture – Elsevier Publishers.
Special issue on “Greenhouse control developments”, 2000
14. Guest editor for special issue of Computers and Electronics in Agriculture – Elsevier Publishers.
Special issue on “Computational Intelligence in Agriculture”, 2001
15. Invited (2000) scholar for 36 days, scientific visit to Japan, by the JSPS (Japan Society for the
Promotion of Science).
16. Keynote speaker (2000) in the IFAC 2d Biorobotics conference in Japan, 2000.
“Information Technologies and Robotics for Greenhouses in Europe”
17. Keynote speaker (2000) in the World Memorial Congress of CIGR in Japan, 2000.
“Information Technologies in the 21st Century: what are the limits”
18. Chairman, 2001-2006, CIGR (Commission International de Genie Rural, www.cigr.org ), section
VII - Information Systems.
19. Keynote speaker (May 2001) in Int’l Conference on “Microprocessor systems in Agriculture”,
Dept of Mech. Eng. WARSAW UNIVERSITY OF TECHNOLOGY - "The role of Information
Technologies for the New Agriculture"
20. Keynote Speaker in IFDICON (INTELLIGENT FORECASTING, DIAGNOSIS AND CONTROL”
(by Sp. Tzafestas-TUA), Santorini Greece, June 2001. "Recent developments for control in
precision agriculture"
21. Keynote speaker and IFAC representative for IFAC Int’l workshop on “Greenhouse Management
and the Internet”, Bali, Indonesia, 22-24 August 2001“
22. Editorial Board, 2001, journal of JSECB [?](Japanese Society of Environmental Control in
Biology)
23. Guest Editor for IEEE-CSM
(International Institute of Electrical and Electronic EngineersUSA),
Special Issue on “Control Developments in Agriculture and the Environment”, Oct, 2001
24. Editorial Board, 2002,
Computers and Electronics in Agriculture, ELSEVIER SCIENCE B.V.
25. Co-Editor, CIGR Handbook of Agricultural Engineering; Volume 6: Information Technology
26. Organiser of Information Technologies Symposium in joint World Congress of ASAE-CIGR,
Chicago July 2002.
27. Plenary Speaker “Prospects in Precision Agriculture: from the developed to the developing
world.” ITAFE’03 International Congress on Information Technology in Agriculture, Food and
Environment, 7 – 10 October 2003 , Ege University , Izmir , Turkey
28. Organiser (Co-chair) of Information Technologies Conference in World Congress of CIGR,
Olympics of Agricultural Engineering, Oct. 11th -14th, 2004, Beijing, P. R. China, Beijing Oct
2004.
29. Keynote speaker (May 2004) in 5th Int’l Conference on Microprocessor Systems in Agriculture,
(Plock, Poland, May 2004)”, Dept of Mech. Eng. WARSAW UNIVERSITY OF TECHNOLOGY "IT Advances in Agriculture and the Environment - Prospects in Precision Agriculture"
30. Scientific Committees of many International Conferences and chairing many technical sessions
and round tables.
31. Reviewer of many articles in many journals and International Conferences.
Societies
IEEE - Member :
 Computer Soc, Robotics Soc,
 Communications Soc (&member TCCC),
 Control Systems Society.
ASAE – Senior Member:
 Electrical and Electronic Systems,
 Farm Power and Machinery.
NYAS - Member (1994-) of the New York Academy of Sciences.
Publications (Recent Publications 1999-2003)
Special issues
1. Sigrimis N., Antsaklis P., Groumpos P. 2001. «Control advances in Agriculture
and the Environment», IEEE control systems magazine special issue, Oct. 2001,
editorial
2. King R. and Sigrimis N., 2000. Computational Intelligence in crop production. COMPAG
special issue 31(1) on Intelligent Systems in Crop Production”, editorial.
3. Sigrimis, N. and R. King, 1999. Advances in Greenhouse Environment Control,
COMPAG special issue 26(3), editorial.
Keynotes
1. Sigrimis Nick 2000. "The 21st expectations in IT: what to expect, what are the limits", Keynote
paper/speaker in CIGR XIV Memorial Congress, CIGR2000Tsukuba, Japan, Nov 28-Dec1
2000.
2. Sigrimis Nick 2000. “Modern Control Advances for Greenhouses in Europe”. Keynote
paper/speaker in 2d IFAC BIOROBOTICS conference, Osaka Japan, Nov 24-26, 2000.
3. Sigrimis Nick 2000. "The role of Information Technologies for the New Agriculture". Keynote
paper/speaker (May 2001) in Int’l Conference on “Microprocessor systems in Agriculture”,
Dept of Mech. Eng. WARSAW UNIVERSITY OF TECHNOLOGY 4. Sigrimis N., Antsaklis P. 2001. "Recent developments for control in precision agriculture"
Keynote Speaker in IFDICON (INTELLIGENT FORECASTING, DIAGNOSIS AND
CONTROL” Santorini Greece, June 2001.
5. Sigrimis Nick 2001 Greenhouse Management and the Internet. Keynote paper/speaker 2nd
IFAC-CIGR Workshop on Intelligent Control for Agricultural Applications, 22-24 August
2001, Bali Indonesia.
6. Sigrimis Nick 2003. Prospects in Precision Agriculture: from the developed to the developing
world. ITAFE’03 International Congress on Information Technology in Agriculture, Food and
Environment, 7 – 10 October 2003 , Ege University , Izmir , Turkey.
7. Sigrimis Nick 2004 "IT Advances in Agriculture and the Environment - Prospects in Precision
Agriculture". Keynote paper/speaker (May 2004) in Int’l Conference on “Microprocessor
systems in Agriculture”, Dept of Mech. Eng. WARSAW UNIVERSITY OF TECHNOLOGY
-
Invited papers, Books and Chapters
1. Sigrimis Nick 1999. "Computer Integrated Management and Intelligent Control of
Greenhouses". IFAC World Congress, Beijing China July 4-11 1999, Invited pre-congress
workshop on Intelligent Control Systems in Agriculture, Plenary Volume (Tutorial Workshop
#8)
2. Sigrimis N., K.G.Arvanitis and G.D.Pasgianos, «Robust PI-Controller Tuning for a
Fertigation Process», in N.E.Mastorakis (Ed.): Modern Applied Mathematics Techniques
in Circuits, Systems and Control, pp. 82-87, World Scientific Publ. Co., London, U.K.,
1999.
3. Sigrimis N., Y. Hashimoto, A. Munack and J. DeBeardemaeker, 1999. Prospects in
Agricultural Engineering in the Information Age - Control and Management Systems, Plenary
speech/Session on Precision Agriculture, EFITA Conference, Bonn Sept 24-29, 1999.
4. Sigrimis N., Y. Hashimoto, A. Munack and J. DeBeardemaeker, 2000. “Prospects in
Agricultural Engineering in the Information Age - Technological Developments for the
Producer and the Consumer, CIGR E-Journal, invited paper .
5. Sigrimis Nick, 2001. “Advanced Control of Greenhouses”, Applied Biological Science, Official
publication of the Society of Biological Science, abstract of presentation, Vol (6),(2), 113-114.
6. Sigrimis Nick, K.G.Arvanitis and C. Feredinos, 2002. “Information Technologies for the new
Agriculture”, , Special Issue (40th anniversary) of the Journal of Environment Control in
Biology, Volume 40(1) March 2002 (invited paper submitted).
7. Sigrimis N., “Sustainable water use in Mediterranean horticulture”, Plenary presentation in
ISHS Conference, Pisa Italy, July 9-12, 2003.
8. Sigrimis Nick et al 2004. ”Internet use in agriculture, remote service and maintenance; Ecommerce, E-business, E-consulting, E-support” Chapter in CIGR Handbook of Agricultural
Engineering; Volume 6: Information Technology (in preparation).
9. Sigrimis N., Arvanitis K., Albright L., Tantau H. 2004. ”Special aspects of IT for greenhouse
cultivation” Chapter in CIGR Handbook of Agricultural Engineering; Volume 6: Information
Technology (in preparation)
10. K.P.Ferentinos, I.K.Kookos, K.G.Arvanitis and N.Sigrimis, «From Production to the User:
Quality Issues for Agricultural Product Chains, Food Traceability, Tagging Systems», Chapter
8.2 of the CIGR Handbook of Agricultural Engineering- Vol. 6: Information Technology.
Scientific Journals
1. Arvanitis K.G., N.Sigrimis, I.K.Kookos and G.Kalogeropoulos, "Model Reference Adaptive
Controller Design for MIMO Linear Systems Based on Multirate Generalized Sampled-Data
Hold Functions". Systems Science, vol. 25, pp. 5-36, 1999.
2. Sigrimis N.A., K.G.Arvanitis and R.S.Gates, “A Learning Technique for a General Purpose
Optimiser”, Computers and Electronics in Agriculture. vol. 26, pp. 83-103, 2000.
3. Sigrimis N.A., K.G.Arvanitis and G.D.Pasgianos, “Synergism of High and Low Level Systems
for the Efficient Management of Greenhouses”, Computers and Electronics in
Agriculture, vol. 29, pp. 21-39, 2000.
4. Sigrimis N.A., Anastasiou, and N. Rerras, 2000. Energy Saving in Greenhouses using
Temperature Integration: A Simulation Survey. Computers and Electronics in Ariculture,
Elsevier, special issue on Developments in Greenhouse Control, Vol 26(3), 321-342.
5. Gates R.S., K. Chao, N. Sigrimis 2000. Identifying design parameters for fuzzy control of
staged ventilation control systems Computers and Electronics in Agriculture, Elsevier,
special issue on Artificial Intelligence in crop production, 31(1) 61-74.
6. Chao, K., R.S. Gates and N. Sigrimis. (2000). Fuzzy logic controller design for staged
heating and ventilating systems. Transactions of ASAE:
7. Sigrimis N., K.G.Arvanitis, G.D.Pasgianos and K.Ferentinos, “Hydroponics Water
Management Using Adaptive Scheduling with an On-Line Optimizer”, Computers and
Electronics in Agriculture. Vol. 31, pp. 31-46, 2001.
8. Arvanitis K.G, N.Sigrimis and G.Kalogeropoulos, "A New Multirate Sampled-Data
Technique for Adaptive Pole Positioning in Linear Systems ". IMA Journal of
Mathematical Control and Information, vol. 18, pp. 207-240, 2001.
9. Arvanitis K.G., Ν.A. Sigrimis, G.D.Pasgianos and G.Kalogeropoulos, “New Methods for the
Efficient Tuning of PID Controllers for Unstable First Order Plus Dead Time Processes”,
Journal A, 2001. (accepted)
10. Ferentinos K.P., K.G.Arvanitis and N.A.Sigrimis, "Heuristic Optimization Methods for
Motion Planning of Autonomous Agricultural Vehicles", Journal of Global Optimization.
Vol. 23, pp. 155-170, 2002
11. Arvanitis K.G., G.D.Pasgianos E.Kyriannakis and N.A.Sigrimis, "Pseudo-Derivative
Feedback Based Identification of Unstable Processes with Application to a Bioreactor",
Computers and Electronics in Agriculture. 40 (2003) ???
12. Pasgianos G.D., K.G.Arvanitis, P. Polycarpou and N.A.Sigrimis, "A Non-Linear Feedback
Technique for Greenhouse Environmental Control ", Computers and Electronics in
Agriculture, 40 (2003) 153-177
13. Sigrimis N., K.G.Arvanitis, G.D.Pasgianos and K.P.Ferentinos, "Computer Integrated
Management and Intelligent Control of Greenhouses", Environment Control in Biology.
Vol. 40, pp. 39-53, 2002.
14. Arvanitis K.G., Ν.A. Sigrimis, G.D.Pasgianos and G.Kalogeropoulos, “New Methods for the
Efficient Tuning of PID Controllers for Unstable First Order Plus Dead Time Processes”,
Journal A, vol. 43, pp. 12-21, 2002.
15. Pasgianos G.D., G.Syrcos, K.G.Arvanitis and N.A.Sigrimis, "Pseudo-Derivative Feedback
Based Identification of Unstable Processes with Application to Bioreactors", Computers and
Electronics in Agriculture. 2003. (accepted).
16. P.I. Daskalov, K.G.Arvanitis, G.D.Pasgianos and N.Sigrimis, “Nonlinear Adaptive
Temperature/Humidity Control of Animal Buildings”. Biosystems Engineering, 2004.
accepted.
17. P.I.Daskalov, K.G.Arvanitis, N.Sigrimis and J.Pitsilis, “Modern Microprocessor-Based
Control of Microclimate in Naturally Ventilated Pig Buildings”. Computers and Electronics
in Agriculture, 2004. submitted.
18. K.G.Arvanitis, A.G.Soldatos, P.I.Daskalov, G.D.Pasgianos and N.Sigrimis, “Nonlinear
Robust Temperature-Humidity Control in Livestock Buildings”. Computers and Electronics
in Agriculture, 2004. submitted.
Int’l Conferences
1. Gates R.S., K. Chao, N. Sigrimis 2000. Fuzzy Control Simulation of Plant and Animal
Environments. ASAE paper No. 993136, Toronto, Canada, July 18-21, 1999.
2. Stanghellini C., and Sigrimis N., 1999. Sustainable water use in protected Mediterranean
Horticulture: HORTIMED, CIGR Conference on Sustainable Water Use, Rabat Marocco,
1999
3. Sigrimis N., P.N.Paraskevopoulos, K.G.Arvanitis and N.Rerras, “Adaptive Temperature
Control in Greenhouses Based on Multirate-Output Controllers”, Proceedings of the 14th
IFAC Triennial World Congress, vol. G, pp.571-576, Beijing, China, July 5-9, 1999.
4. Sigrimis N, K.G.Arvanitis, I.K.Kookos and P.N.Paraskevopoulos, “H-PI Controller Tuning
for Greenhouse Temperature Control”, Proceedings of the 14th IFAC Triennial World
Congress, vol. K, pp. 485-490, Beijing, China, July 5-9, 1999.
5. Sigrimis, K.G.Arvanitis and G.D.Pasgianos, “In Field Optimizing Tools for Agricultural
Process Control”, Proceedings of the 14th IFAC Triennial World Congress, vol. K, pp.
491-496, Beijing, China, July 5-9, 1999.
6. Sigrimis N., K.G.Arvanitis and G.D.Pasgianos, «Robust PI-Controller Tuning for a
Fertigation Process», Proceedings of the 3rd IMACS/IEEE International
Multiconference on Circuits, Systems, Communications and Computers, Proceedings
CD-ROM, Paper 447, pp. 4471-4476, Athens, Greece, July 4-8, 1999.
7. Arvanitis K.G., N.Sigrimis and G.D.Pasgianos, “Robust Controller Design for an
Agricultural Process”, Proceedings of the 19th IASTED International Conference on
Modelling, Identification and Control, vol. 1, pp. 38-43, Innsbruck, Austria, February 1417, 2000.
8. Arvanitis K.G., C.B.Akritidis, G.D.Pasgianos and Ν.A. Sigrimis, “Controller Tuning for
Second-Order Dead-Time Fertigation Mixing Process”, EurAgEng Conference on
Agricultrural Engineering 2000 (AgEng 2000), Warwick, United Kingdom, July 2-7,
2000. Paper 00-AE-011, Book of Abstracts, pp. 37-38 (Proceedings are in preparation).
9. Sigrimis Ν.A., K.G.Arvanitis, G.D.Pasgianos, A. Anastasiou and K.P.Ferentinos, “A
Virtual Greenhouse for Training Control and Management”, EurAgEng Conference on
Agricultrural Engineering 2000 (AgEng 2000), Warwick, United Kingdom, July 2-7,
2000. Paper 00-AE-022, Book of Abstracts, pp. 57-58 (Proceedings are in preparation).
10. Arvanitis K.G., Ν.A. Sigrimis, G.D.Pasgianos and G.Kalogeropoulos, “On-Line Controller
Tuning for Unstable Processes with Application to a Biological Reactor”, Preprints of the
IFAC International Conference on Modelling and Control in Agriculture, Horticulture
and Post-Harvested Processing (Agricontrol 2000), vol. 1, pp. 51-56, Wageningen, The
Netherlands, July 10-12, 2000.
11. Sigrimis Ν.A., K.G.Arvanitis, G.D.Pasgianos, A.Anastasiou and K.P.Ferentinos, “New
Ways on Supervisory Control-A Virtual Greenhouse: To Train, to Control and to Manage”,
Proceedings of the IFAC International Conference on Modelling and Control in
Agriculture, Horticulture and Post-Harvested Processing (Agricontrol 2000), vol. 1, pp.
212-217, Wageningen, The Netherlands, July 10-12, 2000.
12. Arvanitis K.G., N.Sigrimis, G.D.Pasgianos and G.Kalogeropoulos, “On-line PID Controller
Tuning for Unstable Open-Loop Processes Involving Dead-Time”, Preprints of the IFAC
Symposium on Manufacturing, Modeling, Management and Control (MIM 2000), vol.
1, pp. 25-32, Patras, Greece, July 12-14, 2000.
13. Sigrimis N.A., K.G.Arvanitis, G.D.Pasgianos, A.Anastasiou and K.P.Ferentinos, New Ways
to Production Management and Supervisory Control: A Virtual Greenhouse”, Preprints of
the IFAC Symposium on Manufacturing, Modeling, Management and Control (MIM
2000), vol. 1, pp. 529-536, Patras, Greece, July 12-14, 2000.
14. Arvanitis K.G., Ν.A. Sigrimis, G.D.Pasgianos and G.Kalogeropoulos, “New PI Controller
Tuning Formulas for Unstable First Order Plus Dead Time Processes ”, CD-ROM
Proceedings of the 8th IEEE Mediterranean Conference on Control and Automation
(MED 2000), Patras, Greece, July 17-19, 2000. Paper MB1-4, pp. 1-8.
15. Tanner H.G., K.J.Kyriakopoulos, K.G.Arvanitis and N.Sigrimis, “Coordinating the Motion
of a Manipulator and a Mobile Base in Tree Environments”, Preprints of the 2nd
IFAC/CIGR International Workshop on Bio-Robotics, Information Technology and
Intelligent Contrl for Bioproduction Systems (Bio-Robotics II), Sakai, Osaka, Japan,
November 25-26, 2000, vol. 1, pp. 76-81.
16. Arvanitis K.G., Ν.A. Sigrimis, K.Kyriakopoulos and K.P.Ferentinos, “A Nonlinear
Restricted State Feedback Control Strategy for Over-Actuated Robot Manipulators”,
Preprints of the 2nd IFAC/CIGR International Workshop on Bio-Robotics, Information
Technology and Intelligent Contrl for Bioproduction Systems (Bio-Robotics II), Sakai,
Osaka, Japan, November 25-26, 2000, vol. 1, pp. 101-106.
17. Ferentinos K.P., K.G.Arvanitis, K.Kyriakopoulos and N.Sigrimis, «Heuristic Motion
Planning for Autonomous Agricultural Vehicles ”, Preprints of the 2nd IFAC/CIGR
International Workshop on Bio-Robotics, Information Technology and Intelligent
Contrl for Bioproduction Systems (Bio-Robotics II), Sakai, Osaka, Japan, November 2526, 2000, vol. 1, pp. 322-327.
18. Gates R.S., K. Chao, N. Sigrimis, 2000. Fuzzy PI-Like Staged Environment Controller,
CIGR2000 World Congress, Tokyo Nov 28-Dec 1, 2000
19. Arvanitis K.G., G.D.Pasgianos and Ν.A. Sigrimis, “An Alternative Feedback Control
Structure for Open-Loop Unstable Systems”, The XIV Memorial CIGR World Congress
2000, Tsukuba, Japan, November 28-December 1, 2000. CD-ROM Volume, pp. 947-952.
20. Sigrimis N.A., K.G.Arvanitis, G.D.Pasgianos, A.Anastasiou and K.P.Ferentinos,
“Supervisory Control Tools for a Virtual Greenhouse”, The XIV Memorial CIGR World
Congress 2000, Tsukuba, Japan, November 28-December 1, 2000. CD-ROM Volume, pp.
990-995.
21. Sigrimis N., K.G.Arvanitis, K.P.Ferentinos, A.Anastasiou and G.D.Pasgianos, “Adaptive
Scheduling for Hydroponics Water Management”, The XIV Memorial CIGR World
Congress 2000, Tsukuba, Japan, November 28-December 1, 2000, CD-ROM Volume, pp.
1744-1749.
22. Arvanitis K.G., G.D.Pasgianos E.Kyriannakis and N.A.Sigrimis, "Pseudo-Derivative
Feedback Based Identification of Unstable Processes with Application to a Bioreactor",
IFAC Workshop on Artificial Intelligence in Agriculture (AIA’ 2001), Budapest,
Hungary, June, 6-8, 2001, pp. 1-7.
23. Pasgianos G.D, K.G.Arvanitis and N.A.Sigrimis, "A Non-Linear Feedback Technique for
Greenhouse Environmental Control ", IFAC Workshop on Artificial Intelligence in
Agriculture (AIA’ 2001), Budapest, Hungary, June, 6-8, 2001, pp. 109-116.
24. Sigrimis N.A., K.G.Arvanitis, A.Anastasiou and G.D.Pasgianos, "A Comparison of Optimal
Greenhouse Heating Setpoint Generation Algorithms for Energy Conservation", Preprints
of the 2nd IFAC/CIGR Conference on Intelligent Control in Agriculture Applications,
Bali, Indonesia, August, 22-24, 2001, pp. 61-66.
25. Tzafestas S.G., E.Kyriannakis, K.G.Arvanitis, and N.A.Sigrimis, "Decentralized Predictive
Control of the Heat Dynamics of a Greenhouse", Preprints of the 2nd IFAC/CIGR
Conference on Intelligent Control in Agriculture Applications, Bali, Indonesia, August,
22-24, 2001, pp. 152-157.
26. Ferentinos K.P., K.G.Arvanitis, G.D.Pasgianos and N.A.Sigrimis, "A Comparison of
Intelligent Computational Algorithms for Path Planning", International Concference on
Hellenic European Research on Computer Mathematics and Its Applications 2001
(HERCMA 2001), Athens, Greece, September, 20-22, 2001. Book of Abstracts, p. 89
(Proceedings in preparation).
27. Sigrimis N.A., K.G.Arvanitis, K.P.Ferentinos and A.Anastasiou, “An Intelligent
Noninteracting Technique for Climate Control of Greenhouses”, 15th IFAC Triennial
World Congress on Automatic Control, Barcelona, Spain, July 21-26, 2002.
28. Kyriannakis E., K.G.Arvanitis, and N.A.Sigrimis, “On-Line Improvement for the
Decentralized Predictive Control of the Heat Dynamics of a Greenhouse”, 15th IFAC
Triennial World Congress on Automatic Control, Barcelona, Spain, July 21-26, 2002.
29. Sigrimis N.A., K.G.Arvanitis, A.Anastasiou, K.P.Ferentinos and G.D.Pasgianos,
“MACQU: An Open SCADA System for Intelligent Management and Control of
Greenhouses”, 2002 ASAE/CIGR Annual International Meeting, Chicago, Illinois, July 2831, 2002. paper # 023033.
30. Sigrimis N.A., K.G.Arvanitis and G.D.Pasgianos, “A Comparison of Optimal Contrtol
Algorithms for Vibration Attenuation of Agricultural Spray Booms”, 2002 ASAE/CIGR
Annual International Meeting, Chicago, Illinois, July 28-31, 2002. Paper # 023083.
31. Sigrimis N.A, K.G.Arvanitis and G.D.Pasgianos, “Remote Management and e-Support of
Greenhouses through Knowledge Based Intelligent Systems”, 4th International Workshop on
Computer Science and Information Technologies (CSIT 2002), Patras, Greece, September
18-20, 2002. Proceedings
32. Arvanitis K.G., G.Syrkos, I.Z.Stellas and N.Sigrimis, “Controller Tuning for Integrating
Processes with Time Delay-Part I: IPDT Processes and Pseudo-Derivative Feedback Control
Configuration”, 11th IEEE Mediterranean Conference on Control and Automation, Rodos,
Greece, June 28-30, 2003. Proceedings.
33. Arvanitis K.G., G.Syrkos, I.Z.Stellas and N.Sigrimis, “Controller Tuning for Integrating
Processes with Time Delay-Part II: Robustness Analysis under Structured Parametric
Uncertainty”, 11th IEEE Mediterranean Conference on Control and Automation, Rodos,
Greece, June 28-30, 2003. (accepted).
34. Arvanitis K.G., G.Syrkos, I.Z.Stellas and N.Sigrimis, “Controller Tuning for Integrating
Processes with Time Delay-Part III: The Case of First Order Lag plus Integral plus Dead
Time Processes”, 11th IEEE Mediterranean Conference on Control and Automation, Rodos,
Greece, June 28-30, 2003. (accepted).
35. Ferentinos K.P., A. Anastasiou, G.D.Pasgianos and K.G.Arvanitis, N.Sigrimis,, “A
Decision Support System as a Tool to Optimal Water Management under Saline Conditions”,
International ISHS Symposium on Managing Greenhouse Crops in Saline Environment,
Pisa, Italy, July 9-12, 2003. (accepted for Acta Horticulturae).
36. Sigrimis N., K.G. Arvanitis, G. Pasgianos, A. Anastasiou, K. Feredinos. “A Decision Support
System for Integrated Management of Hydroponics”, workshop in Almeria Spain, October 1-5,
2003.
37. N.Sigrimis, K.G.Arvanitis, G.D.Pasgianos and J.Pitsilis, “Hydroponic Systems Management».
Almeria International Workshop, Almeria, Spain, September29 – October 9, 2003. Book in
English.
38. K.P.Ferentinos, K.G.Arvanitis, S.Hontas, D.Lambrou and N.Sigrimis, “A Multi-Agent System
for Integrated Production in Greenhouse Hydroponics». AgEng2004, Leuven, Belgium,
September 12-16, 2004. Accepted for presentation.
39. M.Mlademov, S.Penchev, B.Borisov, K.G.Arvanitis and N.Sigrimis, “Evaluation of Some
Properties for Purity and Germination Assesment of Seeds Using a Computer Vision System».
AgEng2004, Leuven, Belgium, September 12-16, 2004. Accepted for presentation.
40. P.I.Daskalov, R.Tzonev, T.Draganova, K.G.Arvanitis and N.Sigrimis, “Possibilities for
Fusarum Disease Recognition of Corn Kernels by Color Image Analysis and Swpectral
Reflectance Processing ». AgEng2004, Leuven, Belgium, September 12-16, 2004. Accepted for
presentation.
41. K.P.Ferentinos, K.G.Arvanitis and N.Sigrimis, “Biologically Inspired Algorithms for PID Tuning
in Controlled Environment Agricultural Systems». AgEng2004, Workshop on Information
Technology for Bioproduction Systems, Leuven, Belgium, September 12-16, 2004. Accepted
for presentation.
42. P.I.Daskalov, K.G.Arvanitis, G.D.Pasgianos and N.Sigrimis, “A Nonlinear Adaptive Technique
for Environmental Control of Animal Buildings ». AgEng2004, Workshop on Information
Technology for Bioproduction Systems, Leuven, Belgium, September 12-16, 2004. Accepted
for presentation.
43. A.Anastasiou, K.P.Ferentinos, K.G.Arvanitis and N.Sigrimis, “DSS-Hortimed for On-Line
Management of Hydroponics Systems». GreenSys 2004, Leuven, Belgium, September 12-16,
2004. Accepted for presentation.
Seminars
1. Lectures were given in Hydroponics seminar for Saline waters in Almeria
Spain October 2003, under Hortimed Project, Program >>
2. An ongoing series of seminars on Hydroponic cultivations (with Prof Savvas and MS
Oeconomakis) is in sustained mode around Greece more >>
3. Various other seminars and lectures were given in Greece and abroad.
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