Electrical and Electronic Engineering - Research Publications
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ItemDeliverable 1.1 Literature review and initial modellingProcopiou, AT ; Ochoa, LF ; Electricité de France (EDF), (Electricity of France (EDF), 2014)This report corresponds to Deliverable 1.1 “Literature review and initial modelling” part of the Work Package 1 “On-load tap changing LV transformers” of the project “Active Management of LV Networks” jointly funded by EDF and EPSRC. The Active Management of LV Networks project has been established in order to investigate the effect of applying active management techniques to increase the ability of low voltage networks to accommodate a higher number of low carbon technologies, in particular photovoltaic (PV) systems and electric vehicles (EV). The project will focus on the utilization of on-load tap changing transformers and coordinated control of low carbon technologies themselves and other technologies to control voltages and congestion in the network. This document presents the initial modelling aspects of LV networks, including the on-load tap changer (OLTC), as well as load and PV profiles. In addition, a control logic for the OLTC is proposed and its performance assessed considering different PV penetrations and also different monitoring approaches. These models provide a solid foundation for the LV network simulations to be carried out throughout the project as well as the further development of control logic. Some parameters which are UK specific will be adjusted to the French standards when appropriate.
ItemUni TV: trialing IPTV for educationCLARKE, K ; McCullough, M ; Frukhtman, F ; Lodders, A (University of Melbourne, 2013-10-07)
ItemPaediatric teledentistry: delivering oral health services to rural and regional childrenCLARKE, K ; Marino, R ; Clarke, K ; Manton, D ; Hopcraft, M ; Mccullough, M ; Borda, A ; Hallett, K ; Lodders, A (University of Melbourne, 2014-05-11)
ItemSeeCare IPTV: broadband technology for improved health literacyCLARKE, K ; Clarke, K ; Gray, K ; Kwong, M ; Azoulgool, B ; Hines, C ; Frukhtman, F ; Tidhar, G ; Lodders, A (University of Melbourne, 2014-03-03)
ItemA monomial ν-SV method for regressionSHILTON, ALISTAIR ; Lai, Daniel ; PALANISWAMI, MARIMUTHU ( 2007)In the present paper we describe a new formulation for Support Vector regression (SVR), namely monomial ν-SVR. Like the standard ν-SVR, the monomial ν-SVR method automatically adjusts the radius of insensitivity (the tube width, epsilon) to suit the training data. However, by replacing Vapnik’s epsilon-insensitive cost with a more general monomial epsilon-insensitive cost (and likewise replacing the linear tube shrinking term with a monomial tube shrinking term), the performance of the monomial ν-SVR is improved for data corrupted by a wider range of noise distributions. We focus on the quadric form of monomial ν-SVR and show that the dual form of this is simpler than the standard ν-SVR. We show that, like Suykens’ Least-Squares SVR (LS-SVR) method (and unlike standard ν-SVR), the quadric ν-SVR dual has a unique global solution. Comparisons are made between the asymptotic efficiency of our method and that of standard ν-SVR and LS-SVR which demonstrate the superiority of our method for the special case of higher order polynomial noise. These theoretical predictions are validated using experimental comparisons with the alternative approaches of standard ν-SVR, LS-SVR and weighted LS-SVR.
ItemMercer's theorem for quaternionic kernelsSHILTON, ALISTAIR ( 2007)An extension of Mercer’s theorem to quaternionic valued kernel functions with applications in the field of machine learningis presented.