Laboratories

To support the educational process and the research work carried out at the School of Electrical and Computer Engineering, eleven (11) laboratories are currently in operation.

 

Automation Laboratory

Director:  Professor M. Zervakis

This laboratory serves the educational and research needs in the discipline of Systems Theory and Automatic Control.

Research areas: Automatic Control Theory. Intelligent Control. Industrial Controllers. Neural Networks. Automated Fault Diagnosis and Repair. Diagnostic Systems in Medicine. Biomedical Systems. Robotics. Robotic Applications in Medicine. Industrial Control Processes. Production System Scheduling.

 

Circuits, Sensors and Renewable Energy Sources Laboratory

Director:  Professor E. Koutroulis

The laboratory is active in the field of electric circuits and renewable energy sources. Its research equipment includes high-precision oscilloscopes, generators and multimeters, electric energy quality analyzer, meters of various environmental and electric parameters and development systems of microprocessors, DSPs and FPGAs.

Research areas: Sensors and electronic measurement systems. Development of local networks for interconnection of sensors, actuators and computers. Development of electronic control devices based on fuzzy logic and neural networks. Decision systems for industrial applications. Wind turbines systems. Applications of photovoltaic devices. Management and operation of electric power plants. Management and optimization in renewable energy systems. Intelligent energy management systems in buildings. Development of power electronic converters.

 

Digital Signal and Image Processing Laboratory

Director:  Professor M. Zervakis

This laboratory conducts active research in applications related to the reception, identification, and diagnosis of operational problems in various signals used in Telecommunications, Industry, and Biomedicine.

Research areas: Biomedical image and signal processing. Machine vision and noninvasive diagnosis methods. Search methods in image and video archives. Video processing, analysis and compression. Nonlinear systems modeling using artificial intelligence methods. Neural networks and fuzzy logic systems. Time series processing.

 

Distributed Computing Systems and Applications Laboratory

Director:  Professor A. Deligiannakis

The laboratory was founded in 1990. It is a research and development center in the areas of distributed computing systems, multimedia, graphics, human-computer interaction, and the systematic development of large-scale computer systems and business applications on the Internet.

Research areas: Information retrieval systems. Internet search engines and agent technologies. Digital libraries. Multimedia communication systems. Distributed collaboration and workflow management environments. Human-computer interaction. Applications in tourism and culture, e-commerce, e-learning. Office automation, company automation. Distributed multimedia information systems. Development of Internet applications and services. Information society. Databases. Three-dimensional computer graphics, simulation technologies, visualisation, medical applications.

 

Electric Power Systems Laboratory

Director:  Associate Professor F. Kanellos

The laboratory is active in the area of high power and specifically in the fields of electrical engineering and power generation-transmission-distribution.

Research areas: Study of the operation of electric motors and generators, using experimental setups and software. Measurements and testing. Experimental study of the characteristics of power transformers. Measurements and tests. Electricity generation. In-depth study of modern methods of conventional and alternative generation using relevant experimental apparatus with measurements and tests. Study of power transmission and distribution systems using experimental models, simulation and modelling with software, conducting measurements, optimal operation, real-time control. Instruments for measuring power, energy, power factor, power quality and their interface with computer.

 

Electronics Laboratory

Director:  Professor C. Balas

The laboratory’s activities include research, development, training, and technology transfer in the fields of optoelectronics and micro-nano electronics. The Electronics Laboratory is equipped with tools for design, simulation, layout, prototyping, characterization and testing of optoelectronic and microelectronic systems and devices.

Research areas: Development of systems and data analysis of Super-Fascicle imaging data. Optical molecular imaging. Biophotonic medical diagnostic instruments. High-frequency microelectronics. Design and modeling of CMOS devices and circuits. Study, design and evaluation of very large-scale integration (VLSI) circuits. Optoelectronic devices and their applications. Development of optimal battery power management, voltage conversion and uninterruptible power supply (UPS) systems.

 

Information and Networks Laboratory

Director:  Professor M. Paterakis

The laboratory is active in the areas of Communication Networks and Information and Code Theory with applications to Communication Networks.

Research areas: Design, modeling and performance analysis of computer communication networks. Wireless mobile networks of unified services. Integrated multicast telecommunication networks. High-speed, local and metropolitan area broadband networks. Centralized and distributed multimedia information distribution systems. Time-scheduling methods for multimedia servers and for data information transmission in wireless networks. Voice recognition. Voice coding. Acoustic and linguistic modeling. Intelligent speech recognition and adaptation. Telephony and web applications of speech recognition.

 

Intelligent Systems Programming and Technology Laboratory

Director:  Professor E. Petrakis

The laboratory was founded in 2001. The current research activities cover various topics in Artificial Intelligence, Intelligent Agents, Bioinformatics, Information Retrieval, Machine Learning, Multi-agent Systems, and Robotics. The laboratory equipment includes Sony Aibo quadruped robots and Aldebaran Nao bipedal humanoid robots that make up the “Kouretes” robotic soccer team.

Research areas: Artificial Intelligence. Artificial Intelligence. Constraint Satisfiability Problems. Logic Programming and Constraint Programming. Logic reasoning and constraints. Information Systems on the Internet. Information Retrieval. Electronic Commerce. Semantic Internet. Autonomous Agents. Multi-Agent Systems. Game Theory. Machine Learning. Robotics. Bioinformatics. Machine Vision. Pattern Recognition. Image understanding.

 

Microprocessor and Hardware Laboratory

Director:  Associate Professor S. Ioannidis

The laboratory was established in 1990. Its activities revolve around computer architecture and hardware and embedded systems. The laboratory is fully equipped with laboratory instruments (oscilloscopes, logic analyzers, etc.) and dozens of systems for the development of digital circuits and/or embedded devices based on reconfigurable logic, as well as four of the largest supercomputing systems available worldwide based on a combination of multicore processors and reconfigurable logic (FPGA) circuits. The laboratory is a member of the EUROPRACTICE academic and research consortium.

Research areas: Computer systems architecture and hardware. Reconfigurable and embedded systems. Design and implementation of efficient systems (high performance, low cost, low power, etc.). Accelerating applications with specialized architectures. Development of computer-aided design (CAD) tools. Design and programming of parallel systems.

 

Software Systems Technology and Network Applications Laboratory

Director:  Professor M. Garofalakis

The laboratory is a center for research and teaching of software systems technologies and network applications. The research and teaching activities of the laboratory include functional and distributed systems, sensor network systems, continuous data streams, large and distributed databases, and algorithms and complexity issues.

Research areas: Internet Content Collection and Distribution. Video streaming on the Internet. Cooperative Caching. Peer-to-peer architectures for large-scale content storage and distribution. Intelligent information storage systems. Device performance modeling. Storage and prefetching in hierarchical servers. Time-scheduling of access requests. Distributed information management systems (storage, prefetching, replica management, fault tolerance, recovery, etc.). File management systems. Database systems. Development of applications for electronic commerce.

 

Telecommunications Laboratory

Director:  Professor A. Liavas

This laboratory conducts active research in telecommunications.

Research areas: Signal processing using convex optimization techniques. Optimization theory. Parallel numerical algorithms. Multidimensional harmonic parameter retrieval, direction finding and lobe shaping in multiple transmit-receive antenna systems. Node position estimation in sensor networks. Medium access protocols, queuing interaction and stability. Unique composition theory. Transceiver design, decoding, modeling and interference characterization in multi-line digital subscriber loop systems. Channel capacity. Design of DS-CDMA codes with parallel development and use of Welch-type blocks. Design of DS-CDMA receivers. Channel estimation and equalization. Development and implementation of optimization algorithms in parallel architectures.