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May 2017

An Phan – High Resolution ISAR & 3D InISAR Imaging

May 18 @ 4:00 pm - 5:00 pm
S111, Engineering South
Adelaide, South Australia Australia
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Abstract: Inverse Synthetic Aperture (ISAR) imaging has been studied and developed into imaging systems in the last few decades to provide capabilities such as automatic target classification and recognition (ATC/ATR). Although ISAR has been widely used, it suffers from a fundamental limitation: the obtained image is a projection of the 3D target onto an image projection plane (IPP). The orientation of this plane is not known a priori as it depends also on the target dynamics during the coherent processing…

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A. S. Nazmul Huda – Efficient Evaluation of Components Availability Effect on Distribution Systems Reliability by Multilevel Monte Carlo Method

May 25 @ 4:00 pm - 5:00 pm
S111, Engineering South
Adelaide, South Australia Australia
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Abstract: The reliability model of distribution systems is influenced by its components reliability and availability. The seminar presents the effects of distribution system components availability on reliability results in a computationally efficient way. We use a novel Multilevel Monte Carlo (MLMC) method to speed up traditional Monte Carlo (MC) method based reliability assessment. The MLMC method is implemented through solving the stochastic differential equation of components random failure process using Milstein discretisation scheme. Two selected reliability indices are evaluated using…

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June 2017

Lachlan James Gunn – Tor uses and attacks: generic antiequivocation, and geolocation of anonymous services

June 8 @ 4:00 pm - 5:00 pm
S111, Engineering South
Adelaide, South Australia Australia
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Abstract Tor is an anonymisation network that transports traffic through a series of relays in order to hide its origin; by using several relays, each with a layer of encryption, the relay that knows the identity of the user does not know the contents or destination of their traffic, while the relay that sees the traffic has no idea of its origin. One feature of Tor is the ability to provide hidden services, which hide the locations of servers from clients, and not just the…

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Solmaz Kahourzade – Loss Analysis and Efficiency Improvement of a Tapered Axial-Flux PM Amorphous Magnetic Material Machine

June 15 @ 4:10 pm - 5:00 pm

Abstract: Amorphous magnetic materials (AMM) have been used in low frequency power transformer applications for more than two decades but not commercially utilized in high frequency rotating electrical machines due to the lack of a suitable handling method and an economical cutting technique. In this presentation, a novel brushless synchronous permanent-magnet rotating electrical machine suitable for a range of high-efficiency, high-power density and high-speed machine applications is introduced. It includes a 12-slot 10-pole tapered axial-flux permanent-magnet machine utilizing amorphous magnetic…

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July 2017

IEEE AP Distinguished Lecture – Many names, many advantages – Are resonant cavity antennas the killer planar space-saving approach to get 15-25 dBi gain?

July 27 @ 4:10 pm - 5:00 pm
S112, Engineering South,

Abstract No other antenna concept has more names. At present these antennas are known as Fabry-Perot cavity resonator antennas, Partial Reflector Surface (PRS) based antennas, Electromagnetic Band Gap (EBG) Resonator antennas (ERAs) and Two-Dimensional Leaky-Wave Antennas, and more names are forthcoming. Yet they all have more or less the same configuration consisting of a resonant cavity, formed between a partially reflecting superstructure and a fully reflecting (ground) plane. The resonant cavity is excited by a small feed antenna. Hence, they…

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August 2017

Minh Tran – An Empirical Approach For Determining The State Of Charge Of A Battery

August 3 @ 4:10 pm - 4:35 pm
S112, Engineering South,

Abstract State of charge (SoC) is an operational definition used to quantitatively  describe the remaining amount of useful energy within the battery. This variable is analogous to the fuel gauge reading of a gasoline powered vehicle. An accurate estimation of the SoC is important in improving the effectiveness of a battery management system (BMS) to manage a rechargeable battery (eg lithium ion battery). In this presentation a new approach for estimating the battery's SoC will be presented. The method uses…

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Xin Yuan (Vernon) – A Cognitive Approach for Reproducing the Homing Behaviour of Honey Bees

August 3 @ 4:35 pm - 5:00 pm
S112, Engineering South,

Abstract: We describe the implementation if an agent-based controller for an autonomous robot with cognitive abilities that reproduce homing capability in the foraging behaviour of the honeybee.  The agent is based on a symbolic representation of data and information and is written in a language designed to describe fine-grained large scale parallelism, the Street language. The objective of this approach is to enable the direct translation of agents written in Street into embedded hardware, to achieve compact, power efficient, autonomous…

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IEEE MTT/AP – Milica Popović – Development of a Wearable, Low-Power RF Breast Cancer Detector

August 10 @ 4:10 pm - 5:00 pm
S112, Engineering South,

Abstract Breast cancer is one of the deadliest illnesses for women today. The goal of the research presented in this talk, conducted at McGill University in Montreal, Canada, is to develop a low-power RF wearable device, which can screen breast tissues monthly. With such frequent monitoring, it may be possible to detect potentially harmful tissue changes, i.e., early-stage tumors. The method relies on inherent differences (in the electromagnetic sense) between the tumorous and healthy tissues at microwave (RF) frequencies. Since…

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Prof. Akira Chiba – Recent Developments of Switched Reluctance Motors for Hybrid Electrical Vehicles

August 16 @ 2:10 pm - 3:00 pm
IW5.57,

Abstract: This seminar explains how switched reluctance machines are a promising alternative to permanent magnet machines for hybrid electric vehicles. It begins by describing recent developments in hybrid electric vehicles and explaining their principles of operation.  Rare-earth permanent magnet (PM) machines are commonly used in hybrid vehicles however the cost of magnets has seen considerable fluctuation in recent years. The characteristics of rare-earth PM electrical motors and generators of a leading hybrid vehicle are presented. The key criteria for switched…

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IEEE CAES/C&SP – Graham Weinberg – Radar Detection Theory of Sliding Window Processes

August 17 @ 4:10 pm - 5:00 pm
S112, Engineering South,

Abstract Sliding window decision rules are suboptimal non-coherent detectors designed to regulate the false alarm rate while introducing a loss relative to optimal Neyman-Pearson decision rules. In earlier low-resolution radars these detectors were very popular and during the 1960s were investigated extensively. However, with the systematic improvements in radar resolution such detectors became difficult to design so that they achieved  the full constant false alarm rate (CFAR) property. This is primarily a result of the evolution in radar clutter models.…

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