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Browsing 09 Engineering by Title

Now showing items 910-929 of 2364

Fourier transform infrared evaluation of autoclaved cellulose fibre pulps used in cement-based building materials

Liu Barry; Thomas Paul; Klimesch Danielle; Ray Abhi (University of Sydney, 2001)
A four-node hybrids stress finite element with penalized functions

Samali Bijan; Djajakesukma Sri Lily; Nguyen Hung (Elsevier Science Ltd., 2001)

A penalized stress condition for multi-variable finite elements is applied to develop a simple four-node Reissner-Mindlin plate element. Introducing a penalty factor in the modified Hellinger-Reissner energy functional ...
FPGA Based Real-time Color Discrimination Design for Ubiquitous Robots

Yu Ying Hao; Ha Quang; Kwok Ngai Ming (Australian Robotics & Automation Association, 2009)

Detecting objects by their color is essential in robotic sensing. A simple way is probably to capture images with a digital camera and then using algorithms to determine colors of an in- put image. However, this approach ...
FPGA-Based Ubiquitous Computing Intelligence for Robotic Formation Control

Yu Ying Hao; Kodagoda Sarath; Ha Quang (Tribun EU, 2010)

Ubiquitous computing (UC) has been an important stream in distributed computing, which is nowadays recognized as an attractive vision in ambient intelligence (AmI) technologies and home robotic systems. This paper, focusing ...
A Fractal Concept used in Time of Concentration Estimates

Aron G; Ball James; Smith T (American Society of Civil Engineers, 1991)

In present hydrologic practice, it is generally recognized that the shallow overland sheet flow through the upper portions of a watershed is very slow, and that runoff gradually accelerates as it concentrates into gullies ...
The Fracture Toughness of Some Metal Matrix Composites - Comparison of Techniques

Heness Gregory; Mai Yiu-Wing (Elsevier Science Ltd., 2001)

The ability to measure plane strain fracture toughness on small specimens, such as biomaterials and developmental alloys, and on materials that do not lend themselves to fatigue pre-cracking is becoming increasingly ...
A Framework for Confronting Key-swapping Collusion Attack on Random Pairwise Key pre-distribution schemes for distributed sensor networks

Tran Thanh Dai; Agbinya Johnson (IEEE, 2008)

Random pairwise key pre-distribution schemes have been adopted extensively as a preferred approach to pairwise key agreement problem in distributed sensor networks. However, their practical applicability is threatened by ...
A Framework for Systematic Management of Operational Risks

Akpolat Hasan; Pitinanondha Thitima (Korean Society for Quality Management, 2009)

This paper presents a theoretical research framework that was used to analyse operational risk management (ORM) system practices in Australia. It provides a new perspective on how to use national and international operational ...
Free Convection Cooling of a Horizontal Cylinder Positioned Above a Plane

Huynh Ba (Begell House Inc, 2006)

Free convection about an isothermal circular cylinder positioned horizontally above a plane is investigated numerically, with the cylinder's surface temperature being higher than that of the surrounding fluid. Both ...
Free-Convection Flow Through a Two-Dimensional Box With Openings on Opposite Walls

Huynh Ba (South China University of Technology, Guangzhou, China, 2009)

Free-convection flow through a two-dimensional rectangular box having openings at opposite corners on the vertical walls is investigated numerically, using a commercial Computational Fluid Dynamics (CFD) software package. ...
Free Surface Monitoring Using Image Processing

Boutenet Marc; Brady Peter; Beecham Simon (University of Sydney, 2004)

We present an alternate method of data capture based on a consumer grade digital video camera combined with commonly available image processing techniques. The capture/analysis technique was developed to provide ...
Free Vibrational Analysis of Vehicle Powertrain Equipped With a Half Toroidal CVT

Dutta-Roy Tonmoy; Zhang Nong; Dissanayake Gamini; Wang Miao (Queensland University of Technology, 2003)

The concept of Continuously Variable Transmission (CVT) has been available for more than a century now. These devices have been in use to transmit power in various applications from machine tools, robotics to aircraft ...
Free vibration of laminated composite plates with piezoelectric layers under cylindrical bending

Zhang Nong; Zhang Chengyu; Di Shenglin (Jilin Science and Technology Press, 2001)

This paper presents an analytical solution for free vibration response of orthotropic laminated plate with piezoelectric layers based on a new procedure that is m simpler than those presented by Pagano and Fan. In the ...
Free vibration of vehicles with interconnected suspensions

Smith Wade; Zhang Nong; Jeyakumaran Jeku (University of Adelaide, Australia, 2008)

This paper presents a computationally efficient approach for the free vibration analysis of vehicles fitted with a general hydraulically interconnected suspension (HIS) system. A linear half-car model is analysed as an ...
Frequency domain analysis of fluidâ¿¿structure interaction in liquid-filled pipe systems by transfer matrix method

Li Q; Yang K; Zhang Lixiang; Zhang Nong (Pergamon, Elsevier BV, 2002)

This paper is concerned with the vibration analysis of a liquid-"lled pipe system, which extends the frequency domain analysis of the uidâ¿¿structure interaction from single pipe to a pipe system with multi-pipe sections ...
Frequency domain analysis of fluid structure interaction in liquid-filled pipe systems by transfer matrix method

Li Qiusheng; Yang Ke; Zhang Lixiang; Zhang Nong (Elsevier,, 2002)

This paper is concerned with the vibration analysis of a liquid-filled pipe system, which extends the frequency domain analysis of the fluid-structure interaction from single pipe to a pipe system with multi-pipe sections ...
Frequency Selective KYP Lemma And Its Applications To IIR Filter Bank Design

Hoang Hung; Hoang Tuan; Nguyen Tuan (IEEE, 2007)

For a transfer function/filter F(e(Jw)) of order n, Kalman-Yakubovich-Popov (KYP) lemma characterizes the intractable semi-infinite programming (SIP) condition F(e(-Jw)) 1 Theta [F(e(-Jw)) 1]>= 0 for all omega in frequency ...
Frequency-Selective KYP Lemma, IIR Filter, and Filter Bank Design

Hoang Hung; Hoang Tuan; Nguyen Tuan (IEEE-Inst Electrical Electronics Engineers Inc, 2009)

For a transfer function F(e(3 omega)) of order n, Kalman-Yakubovich-Popov (KYP) lemma characterizes a general intractable semi-infinite programming (SIP) condition by a tractable semidefinite programming (SDP) for the ...
Frequency Tracking and Acquisition with a Four Quadrant Arctan Phase Detector Based on a Phase Locked Loop

Sithamparanathan Kandeepan; Reisenfeld Sam (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2003)

This paper discusses the performance of tracking and acquiring a single frequency sinusoid with a four-quadrant phase detector (PD) based digital phase locked loop (DPLL). Under tracking we analyse the open loop ...
Freshwater bivalve shells as archival indicators of metal pollution from a copper-uranium mine in Tropical Northern Australia

Markich Scott; Jeffree Ross; Burke Patrick (American Chemical Society, 2002)

Freshwater bivalves (Velesunio angasi) were sampled in 1996 from the Finniss River in tropical northern Australia at 10 sites a priori exposed and nonexposed to acid rock drainage (ARD), containing elevated metal concentrations, ...

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