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Now showing items 21-40 of 644

Transient characteristics of an automatic transmission during shift changes

Liu Dikai; Zhang Nong; Jeyakumaran Jeku; Villanueva Lou (World Scientific, 2002)

This study aims to develop a comprehensive mathematical model and a simulation system of an automatic transmission to investigate the transient characteristics during gear changes. In particular, the model is applied to ...
Experimental realisation of active control of a five storey building model using SMA actuators

Li Jianchun; Samali Bijan; Chapman Christopher (A. A. Balkema Publishers, 2002)

Using Shape Memory Alloy (SMA) for active control of structures has always been attractive to structural control research community because of its capability to produce relatively large control forces. The unique nature ...
Performance of a five storey benchmark model using an active mass driver and a fuzzy controller

Samali Bijan; Al-Dawod Mohammed; Li Jianchun (World Scientific, 2002)

This paper presents the second stage of applying an active control scheme to the benchmark model of five stories. The rust stage reported the use of an Active Tuned Mass Damper (ATMD) system on the benchmark model, where ...
Robustness of semi-active stiffness damper with system uncertainty

Samali Bijan; Djajakesukma Sri Lily; Nguyen Hung (A. A. Balkema Publishers, 2002)

A study is conducted to investigate the robustness of various control laws in a semi-active stiffness damper subjected to system uncertainty. Variability in stiffness, damping and sampling time is introduced to demonstrate ...
Coat Thickness in Wire-coating process with corrugated die

Huynh Ba (ASME - American Society of Mechanical Engineers, 2002)
Vibration control of a five storey benchmark building excited by earthquake using liquid column vibrator absorbers

Samali Bijan; Mayol Eugenio; Mack Austin; Kwok Kenny; Hitchcock Peter (World Scientific, 2002)

This paper examines the response reduction capabilities of a passive fluid damper device, known as the Liquid Column Vibration Absorber (LCVA), when attached to a five storey benchmark building structure requiring control. ...
Damping enhancement of liquid column vibration absorbers for structural control

Mayol Eugenio; Samali Bijan; Kwok Kenny; Wood G; Mack Austin; Hitchcock Peter (A. A. Balkema Publishers, 2002)

Vibration control studies have shown that the Liquid Column Vibration Absorber (LCVA) has the potential to reduce vibrations of a structure subjected to unwanted excitations such as wind and earthquake. One drawback ...
Torsional response of a base-isolated eccentric building model

Samali Bijan; Wu Yimin; Li Jianchun (A. A. Balkema Publishers, 2002)

Base isolation is found to be effective in reducing the torsional response of structures with mass eccentricity when subjected to earthquakes. In this study, dynamic characteristics of an eccentric five-storey benchmark ...
Earthquake resistance performance of laminated and lead core rubber bearings

Wu, Y.; Samali, B.; Li, J. (World Scientific, 2002)

Base isolation has been used in many classes of civil engineering structures to reduce the damage from earthquake attacks. The main idea behind this innovative technique is to shift the fundamental natural frequency of ...
Improved seismic resistance of mudbrick building

Dowling Dominic; Samali Bijan (A. A. Balkema Publishers, 2002)

Severe earthquakes in El Salvador, India and Chile in early 2001 have reaffirmed the vulnerability of adobe (mudbrick) buildings to seismic forces. Despite such catastrophic failings, there is little doubt that adobe ...
Mutual Coupling Between Singly-Fed Circularly Polarised Stacked Patch Antennas with Various Orientations

Chung Kwok Lun; Sanagavarapu Ananda (The Korea Electromagnetic Engineering Society (KEES), 2003)
A New Thought about Modelling of Bilevel Programming Problems

Lu Hai Yan (National University of Singapore, 2003)

This paper presents a new mathematical model for bilevel linear programming problems (BLPPs). A new kind of constraint is proposed to emphasis the pre-determined hierarchy in the bilevel decision making process. The ...
Design and Control of Brushless Permanent Magnet Motors for Constant Range with Minimum Inverter Rating

Watterson Peter (International Academic Publisher, Beijing World Publishing Corporation, 2003)

Flux-weakening of permanent magnet motors is commonly introduced above a base speed beyond which constant power is required. It is shown that lower inverter rating is achieved by also flux-weakening at the base speed. ...
Field Assessment of Local Scour at Bridge Sites

Beecham Simon; Mclean John; Kandasamy Jaya (Engineers Australia, 2003)

This paper provides details of a field assessment of local scour at bridges carried out by Queensland Department of Main Roads. Most predictive formulae for the estimation of scour at bridge sites were developed from ...
Conditions for dominance of flotation in batch electrocoagulation

Barton Geoff; Holt Peter; Mitchell Cynthia (Institution of Engineers, Australia, 2003)

Electrocoagulation removes pollutant from water by a combination of coagulant delivered from a sacrificial aluminium anode and hydrogen bubbles evolved at an inert cathode. Clay particle flotation and settling rates were ...
Anisotropic Mixed Finite Element Method for Stokes Equations

Ling Xiaohui; Shi Dongyang; Zhang Nong (Engineering Mathematics Group, ANZIAM, Australia, 2003)
A Hydroinformatic Approach to the Development of Areal Reduction Factors

Catchlove Robert; Ball James (The Institutions of Engineers, Australia, 2003)

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Bergan's Energy-Orthogonal Highly Nonconforming Plate Element Approximation to the Contact Problem of Plate

Shi Dongyang; Zhang Nong; Ling Xiaohui (Engineering Mathematics Group, ANZIAM, Australia, 2003)
Shrinkage Cracking In Restrained Reinforced Concrete Members

Nejadi Shami; Gilbert Ian (A.A. Balkema, Swets & Zeitlinger B.V. Lissie, The Netherlands, 2003)

The problem of cracking caused by shrinkage in restrained reinforced concrete members is discussed and examined both experimentally and analytically. A total of eight fully restrained slab specimens with different reinforcement ...
The Hydrological Effects of the January 94 Bush Fires on the Royal National Park

Collings Greg; Ball James (The Institution of Engineers, Australia, 2003)

Previous research into the hydrological effects of fire have found that runoff increases immediately after the fire. This was attributed to the removal of vegetation and a decrease in the initial losses associated with ...

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