The doctoral dissertations of the former Helsinki University of Technology (TKK) and Aalto University Schools of Technology (CHEM, ELEC, ENG, SCI) published in electronic format are available in the electronic publications archive of Aalto University - Aaltodoc.
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Dissertation for the degree of Doctor of Science in Technology to be presented with due permission of the Faculty of Electronics, Communications and Automation for public examination and debate in Auditorium S4 at Helsinki University of Technology (Espoo, Finland) on the 7th of November, 2008, at 12 noon.
Overview in PDF format (ISBN 978-951-22-9620-0) [924 KB]
Dissertation is also available in print (ISBN 978-951-22-9619-4)
The work starts with a brief overview of the main issues concerning road lighting control systems, e.g. the visual conditions in night time driving, the light sources used in road lighting, and the basic structure of telemanagement lighting control systems. Then the work focuses on the performance of intelligent road lighting control systems by using the examples of two installations in Finland, Ring III and VT7. The real benefits and drawbacks are discussed and financial calculations are given. The work continues with the subject of road surface luminance measurements in order to suggest ways in which the performance of intelligent road lighting control systems might be optimized. This subject is topical as there are currently several practical problems in luminance monitoring. The work also investigates the main control parameters and strategies that are applied currently and tries to find the basis of dynamically changing light levels.
This thesis consists of an overview and of the following 7 publications:
Keywords: intelligent road lighting control, dimming, energy saving, luminance measurement
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© 2008 Helsinki University of Technology