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Now showing items 104-123 of 182

Lattice parameter measurement using Le Bail versus structural (Rietveld) refinement: A caution for complex, low symmetry systems

Peterson, V. K (International Centre for Diffraction Data, 2005)

The measurement of lattice parameters using the Le Bail method was shown to be inappropriate for a complex, low symmetry, structure, even with high resolution synchrotron diffraction data. The method failed as a result ...
Load Rating of Impaired Bridges Using a Dynamic Method

Li Jianchun; Crews Keith; Samali Bijan; Al-Dawod Mohammed (Electronic Journal of Structural Engineering International, 2007)

Local Government in Australia is responsible for the operational management and maintenance of over 20,000 bridges. More than 70% of these bridges comprise aging timber bridges, the load capacity and structural adequacy ...
Locality preserving projections plus affinity propagation: a fast method for face recognition

Yu Shengyang; Zhang Tianhao; Du Chunhua; Wu Qiang; Yang Jie (SPIE-Soc Photoptical Instrumentation Engineers, 2008)

This letter develops a novel and fast framework called APLPP to tackle the face recognition task by combining locality preserving projections (LPP) with the affinity propagation clustering method. Unlike LPP, which uses ...
Magnetic Properties Of Soft Magnetic Composites Under Three-dimensional Excitations

Lin Zhi Wei (Jack); Zhu Jianguo; Guo Youguang; Zhong Jin Jiang; Wang Songnian (IOS Press, 2007)

Soft magnetic composite (SMC) materials are broadly used in low cost high performance electrical machines due to their magnetic isotropy, low eddy current loss, and capability to mould complex shapes. To optimise the ...
Magneto-optical Visualisation of Magnetic Processes in Superconducting Strip With The Application of Magnetic Fields and Currents

Lin Zhi Wei (Jack); Zhu Jianguo; Cochrane J (Institute of Electrical and Electronics Engineers, 2004)

The magneto-optical imaging (MOI) technique is widely employed to characterize the magnetic properties of superconductors and other magnetic materials because it can easily show the variation of flux density over a plane ...
Manouvering target tracking in clutter using particle filters

Challa, S.; Morelande, M. R (Institute of Electrical and Electronics Engineers, 2005)

A particle filter (PF) is a recursive numerical technique which uses random sampling to approximate the optimal solution to target tracking problems involving nonlinearities and/or non-Gaussianity. A set of particle ...
Measurement and Modeling of Rotational Core Losses of Soft Magnetic Materials Used in Electrical Machines - A Review

Guo Youguang; Zhu Jianguo; Zhong Jin Jiang; Lu Hai Yan; Jin Jianxun (IEEE, 2008)

In many situations, for example, in the cores of a rotating electrical machine and the T-joints of multiphase transformers, the magnetic flux varies with time in terms of both magnitude and direction, i.e., the local flux ...
Membrane fouling control and enhanced phosphorus removal in an aerated submerged membrane bioreactor using modified green bioflocculant

Ngo Huu Hao; Guo Wenshan (Elsevier BV, 2009)

This study aims at developing a modified green bioflocculant (GBF) for membrane fouling control and enhanced phosphorus removal in a conventional aerated submerged membrane bioreactor (SMBR) to treat a high strength domestic ...
Methods for automatically analyzing humpback song units

Rickwood Peter; Taylor Andrew (Acoustical Soc Amer Amer Inst Physics, 2008)

This paper presents mathematical techniques for automatically extracting and analyzing bioacoustic signals. Automatic techniques are described for isolation of target signals from background noise, extraction of features ...
Microwave Filters With Improved Spurious Performance Based on Sandwiched Conductor Dielectric Resonators

Sanagavarapu, A. M; Weily, A. R (Institute of Electrical and Electronics Engineers, 2001)

Microwave filters based on a novel resonator comprised of a sandwiched conductor dielectric resonator (SCDR) loaded in a cylindrical cavity are analyzed in this paper. The SCDR is a compact resonator that exhibits good ...
A miniature short stroke linear actuator - Design and analysis

Lu Haiwei; Zhu Jianguo; Lin Zhi Wei (Jack); Guo Youguang (IEEE-Inst Electrical Electronics Engineers Inc, 2008)

We report a newly developed miniature short stroke tubular linear permanent-magnet actuator for robotic applications. Compared to a rotary-to-linear mechanism, the linear actuator has the advantages of efficiency, thrust ...
Minimal multi realization of MIMO linear systems

Su Steven; Anderson Barry; Brinsmead T (Institute of Electrical and Electronics Engineers, 2006)

This note explores the minimal multirealization problem, which is the determination of a minimal degree, parameter-dependent, state variable description to express a finite set of linear multivariable systems. The form ...
Mobile robot localization and mapping using a Gaussian sum filter

Kwok Ngai Ming; Ha Quang; Huang Shoudong; Dissanayake Gamini; Fang Gu (Institute of Control, Automation, and Systems Engineers: Korean Institute of Electrical Engineers, 2007)

A Gaussian sum filter (GSF) is proposed in this paper on simultaneous localization and mapping (SLAM) for mobile robot navigation. In particular, the SLAM problem is tackled here for cases when only bearing measurements ...
Motion coordination for construction vehicles using swarm intelligence

Kwok Ngai Ming; Ha Quang; Fang Gu (Advanced Robotics Systems, 2007)

In a variety of tasks performed in construction sites, coordinated operations of multi-vehicles are foreshadowed to outperform the deployment of a single vehicle in terms of increased capacity and flexibility. This paper ...
Multi-Channel Subspace Mapping Using an Information Maximization Criterion

Al-Ani Ahmed; Deriche Mohamed (Springer Netherlands, 2004)

A new hybrid information maximization (HIM) algorithm is derived. This algorithm is able to perform subspace mapping of multi-channel signals, where the input (feature) vector for each of the channels is linearly transformed ...
Multiobjective Static Output Feedback Control Design for Vehicle Suspensions

Du Haiping; Zhang Nong (The Japan Society of Mechanical Engineers, 2008)

This paper presents an approach to design multiobjective static output feedback H2 / H.. /GH2 controller for vehicle suspensions by using linear matrix inequalities (LMIs) and genetic algorithms (GAs). A quarter car model ...
Multiscale Combined RBF Collocation Methods for Eddy Currents Analysis in High Speed Moving Conductors

Zhang Yong; Yang Guangyuan; Shao Ke; Guo Youguang; Zhu Jianguo; Lavers J (IEEE, 2009)

A novel multiscale combined radial basis function (RBF) collocation method, as a truly meshless method, is presented to overcome the shortage of general RBF collocation method and is applied to analyze eddy currents in ...
Nanocapacitive circuit elements

Zareie Hadi; Morgan Scott; Moghaddam Matthew; Maaroof Abbas; Cortie Michael; Phillips Matthew (Amer Chemical Soc, 2008)

Natural lithography was used to prepare arrays of nanoscale capacitors on silicon. The capacitance was verified by a novel technique based on the interaction of a charged substrate with the electron beam of a scanning ...
Novel membrane bioreactor (MBR) coupled with a nonwoven fabric filter for household wastewater treatment

Ren Xianghao; Shon Ho Kyong; Jang Namjung; Lee Young; Bae Minsu; Lee J; Cho Kwangmyeung; Kim In (Pergamon, 2010)

Conventional and modified membrane bioreactors (MBRs) are increasingly used in small-scale wastewater treatment. However, their widespread applications are hindered by their relatively high cost and operational complexity. ...
Novel pre-treatment method for seawater reverse osmosis: Fibre media filtration

Lee Jungjune; Johir Md Abu; Chinu Khorshed; Shon Ho Kyong; Vigneswaran Saravanamuth; Kandasamy Jaya; Kim C; Shaw Karen (Elsevier B.V., 2010)

A high rate fibre filter was used as a pre-treatment to seawater reverse osmosis (SWRO) to reduce membrane fouling. Seawater was drawn from Chowder Bay where the Sydney Institute of Marine Science, Australia is located. A ...

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