Affiliation: | 1. Chemical Process and Energy Resources Institute (CPERI), Centre for Research and Technology Hellas (CERTH), P.O. Box 60361, 57001 Thermi, Thessaloniki, Greece;2. Department of Engineering Informatics and Telecommunications, University of Western Macedonia, Vermiou and Lygeris Str., Kozani 50100, Greece;3. Department of Automation, Alexander Technological Educational Institute of Thessaloniki, P.O. Box 141, 54700 Thessaloniki, Greece |