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Campus Mobility for the Future: The Electric Bicycle  [PDF]
I. V. McLoughlin, I. K. Narendra, L. H. Koh, Q. H. Nguyen, B. Seshadri, W. Zeng, C. Yao
Journal of Transportation Technologies (JTTs) , 2012, DOI: 10.4236/jtts.2012.21001
Abstract: Sustainable and practical personal mobility solutions for campus environments have traditionally revolved around the use of bicycles, or provision of pedestrian facilities. However many campus environments also experience traffic congestion, parking difficulties and pollution from fossil-fuelled vehicles. It appears that pedal power alone has not been sufficient to supplant the use of petrol and diesel vehicles to date, and therefore it is opportune to investigate both the reasons behind the continual use of environmentally unfriendly transport, and consider potential solutions. This paper presents the results from a year-long study into electric bicycle effectiveness for a large tropical campus, identifying barriers to bicycle use that can be overcome through the availability of public use electric bicycles.
Speech Reconstruction in Post-Laryngectomised Patients by Formant Manipulation and Pitch Profile Generation
H. R. Sharifzadeh,F. Ahmadi,I. V. McLoughlin
Lecture Notes in Engineering and Computer Science , 2009,
Abstract:
Assessing care for patients with TB/HIV/STI infections in a rural district in KwaZulu-Natal
M Loveday, V Scott, J McLoughlin, F Amien, V Zweigenthal
South African Medical Journal , 2011,
Abstract: Setting. Despite the prioritisation of TB, HIV and STI programmes in South Africa, service targets are not achieved, have had little effect, and the magnitude of the epidemics continues to escalate. Objective. To report on a participatory quality improvement intervention designed to evaluate these priority programmes in primary health care (PHC) clinics in a rural district in KwaZulu-Natal. Methods. A participatory quality improvement intervention with district health managers, PHC supervisors and researchers was used to modify a TB/HIV/STI audit tool for use in a rural area, conduct a district-wide clinic audit, assess performance, set targets and develop plans to address the problems identified. Results. We highlight weaknesses in training and support of staff at PHC clinics, pharmaceutical and laboratory failures, and inadequate monitoring of patients as contributing to poor TB, HIV and STI service implementation. In the 25 facilities audited, 71% of the clinical staff had received no training in TB diagnosis and management, and 46% of the facilities were visited monthly by a PHC supervisor. Eighty per cent of the facilities experienced non-availability of essential drugs and supplies; polymerase chain reaction (PCR) results were not documented for 54% of specimens assessed, and the mean length of time between eligibility for ART and starting treatment was 47 days. Conclusion. Through a participatory approach, a TB/HIV/STI audit tool was successfully adapted and implemented in a rural district. It yielded information enabling managers to identify obstacles to TB, HIV and STI service implementation and develop plans to address these. The audit can be used by the district to monitor priority services at a primary level.S Afr Med J 2011;101:887-890.
Effect of wearing a dorsiflexion assist orthosis on mobility, perceived fatigue and exertion during the six-minute walk test in people with multiple sclerosis: a randomised cross-over protocol
James V McLoughlin, Christopher J Barr, Daina Sturnieks, Stephen R Lord, Maria Crotty
BMC Neurology , 2012, DOI: 10.1186/1471-2377-12-27
Abstract: A randomised cross-over trial will be conducted with 40 community dwelling PWMS with mild to moderate mobility disability. Participants will initially be screened for disease severity, balance, strength, depression and fatigue at the South Australian Motion Analysis Centre. On two non-consecutive occasions, within two weeks, participants will undergo either the 6-minute walk test (6MWT) or the 6MWT while wearing a dorsiflexion ankle orthosis (with a randomised condition order). Distance walked, perceived exertion, perceived fatigue and the physiological cost of walking (the primary outcome measures) will be compared between the two walking conditions. Additional pre- and post-6MWT assessments for the two conditions will include tests of strength, reaction time, gait and balance.This study will increase our understanding of motor fatigue on gait and balance control in PWMS and elucidate the effect of a Dynamic Ankle Orthosis on fatigue-related balance and gait in PWMS. It will also examine relationships between mobility and balance performance with perceived fatigue levels in this group.ACTRN12612000218897
Growth, optical and magnetic behavior of YMn0.35In0.65O3 thin film
R. V. K. Mangalam,Andrew E. Smith,S. Boudin,C. McLoughlin
AIP Advances , 2012, DOI: 10.1063/1.4732131
Abstract: The growth of YMn0.35In0.65O3 thin films and their optical and magnetic behavior are reported. The YMn0.35In0.65O3 thin film grows along the (0001) orientation with hexagonal structure similar to YMnO3 on c-plane sapphire. The film shows paramagnetic behavior in the temperature range measured. The film exhibits a blue color due to the electronic transition in the red-green region of the visible spectrum. The development of such a relatively low cost, eco-friendly and highly stable chromophore can be used as a blue filter layer in color filter array.
Modelling the brightness increase signature due to asteroid collisions
Ev McLoughlin,Alan Fitzsimmons,Alan McLoughlin
Physics , 2015, DOI: 10.1016/j.icarus.2015.04.015
Abstract: We have developed a model to predict the post-collision brightness increase of sub-catastrophic collisions between asteroids and to evaluate the likelihood of a survey detecting these events. It is based on the cratering scaling laws of Holsapple and Housen (2007) and models the ejecta expansion following an impact as occurring in discrete shells each with their own velocity. We estimate the magnitude change between a series of target/impactor pairs, assuming it is given by the increase in reflecting surface area within a photometric aperture due to the resulting ejecta. As expected the photometric signal increases with impactor size, but we find also that the photometric signature decreases rapidly as the target asteroid diameter increases, due to gravitational fallback. We have used the model results to make an estimate of the impactor diameter for the (596) Scheila collision of D=49-65m depending on the impactor taxonomy, which is broadly consistent with previous estimates. We varied both the strength regime (highly porous and sand/cohesive soil) and the taxonomic type (S-, C- and D-type) to examine the effect on the magnitude change, finding that it is significant at early stages but has only a small effect on the overall lifetime of the photometric signal. Combining the results of this model with the collision frequency estimates of Bottke et al. (2005), we find that low-cadence surveys of approximately one visit per lunation will be insensitive to impacts on asteroids with D<20km if relying on photometric detections.
HAVE RECENT CHANGES TO THE RUGBY UNION LAWS OF SCRUMMAGE REDUCED SERIOUS CERVICAL SPINE INJURIES?
Terence F. McLoughlin
Journal of Sports Science and Medicine , 2009,
Abstract: All areas of play in rugby union are acknowledged to be potentially dangerous but it is in the scrum where the most frequent and serious spinal injuries occur (McIntosh & McCrory, 2005). This letter addresses the questions: what is it about the scrum which accounts for the alleged increased frequency of scrummage associated spinal cord injury (particular in the cervical region) and what has the Rugby Football Union [RFU] done to minimise the chance of cervical cord damage by changes to the Laws? Scrums are used to restart play after infringement of Law 20.1. The team which is successful in winning the ball from the scrum can provide quality possession and space to their attacking backs (IRB, 2005).The three front row players are especially vulnerable to serious cervical spine injury. The majority of neck injuries are caused by heads not being properly aligned when opposing front row players make initial contact as the scrum is being formed. If the scrum collapses then excessive forward flexion/rotation of the cervical spine can occur and by wheeling the scrum this can result in increased abnormal lateral flexion/rotation. Added to these possible abnormal increases in directional movement of the cervical spine is the force generated at engagement. It has been calculated that in the front row a static weight of up to 1600kg is placed on each player's neck. Fracture dislocation (usually between C4/C6) of the spine can be the resulting injury which if the cord is involved can cause tetra paresis.In response to this evidence the IRB amended the law of scrummage which was put into effect 2007 in the hope of reducing the incidence of serious cervical spine injury. This is summarised as a 4 step Law of engagement which is: "crouch, touch, pause, engage". The distance between the front rows must now be less than arms length before making contact. Prior to the introduction of this Law with the stipulated distance apart before engagement, the front row forwards were then more likely to foul and possibly injure an opposing player because of the sheer force generated at the initial point of contact caused by a combination of the acceleration of the players over the distance between the front rows multiplied by their combined weights. With the new Law now in place worldwide for over 18 months and more particularly with its rigorous enforcement during the recent World Cup in 2007, there is now sufficient data available for analysis to enable scrutiny of the effect of this change to the Law in protecting players from cervical spine injury. Data analysisThe IRB World Cup
When Does a Cross Product on R^{n} Exist?
Peter F. McLoughlin
Mathematics , 2012,
Abstract: It is probably safe to say that just about everyone reading this article is familiar with the cross product and the dot product. However, what many readers may not be aware of is that the familiar properties of the cross product in three space can only be extended to R^{7}. The intention of this article is to provide a new constructive elementary proof (i.e. could be included in an linear algebra undergraduate text) of this classical result which is accessible to a wide audience.
Construction of A Lattice on the completion space of an algebra and an isomorphism to its Caratheodory Extension
Jun Tanaka,Peter McLoughlin
Mathematics , 2008,
Abstract: In this paper, we will show how the Caratheodory Extension process is intimately related to the metric completion process. In particular, it will be shown how one is able to construct a lattice on the completion and to obtain an isomorphism to its Caratheodory Extension.
Computer based Information Systems and Managers' Work
Chris Kimble,Kevin McLoughlin
Computer Science , 2001,
Abstract: This paper identifies three categories of model: the Technology Impact Model; the Social Impact Model and the Integrationist Model, which imply different views of the "impact" of Information Technology on work organisation. These models are used to structure data from case studies conducted by the authors to explore the implications of the use of computer-based information systems for managers' work. The paper argues that the "impact" of information systems is not a single stable and predictable outcome but a non-linear ongoing process that changes and evolves over time. It also argues that the actions of individuals and groups within an organisation are not wholly determined by outside forces: people can and do react to, and shape, systems in different ways. In this sense, the "impact" of computer-based information systems on managers' work reflects decisions made by managers themselves about how the technology is used.
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