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The effect of beat interval on ventricular repolarisation in atrial fibrillation (2019)
Conference Proceeding
Al-Karadi, M. S., Wilkinson, A. J., & Langley, P. (2019). The effect of beat interval on ventricular repolarisation in atrial fibrillation. doi:10.22489/CinC.2018.294

Atrial fibrillation (AF) is characterised by rapid beat interval changes. The aim of the study was to investigate the effect of such changes on ECG ventricular repolarisation characteristics. In 10 AF recordings beat averaging of lead V4 was used to... Read More

Lateralized Eye Use Towards Video Stimuli in Bearded Dragons (Pogona vitticeps) (2017)
Journal Article
Frohnwieser, A., Pike, T., Murray, J., & Wilkinson, A. (2017). Lateralized Eye Use Towards Video Stimuli in Bearded Dragons (Pogona vitticeps). Animal behavior and cognition, 4(3), 340-348. doi:10.26451/abc.04.03.11.2017

Lateralized eye use is thought to increase brain efficiency, as the two hemispheres process different information perceived by the eyes. It has been observed in a wide variety of vertebrate species and, in general, information about conspecifics appe... Read More

A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study (2016)
Journal Article
Langley, P., Asghar, A., Bateson, A. D., Langley, P., Wilkinson, A. J., & Clewett, C. J. (2016). A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study. Health Technology Letters, 3(1), (2-5). doi:10.1049/htl.2015.0037. ISSN 2053-3713

Hypoglycaemia unawareness is a common condition associated with increased risk of severe hypoglycaemia. The purpose of the authors' study was to develop a simple to use, home-based and non-invasive hypoglycaemia warning system based on electroencepha... Read More

An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm (2013)
Journal Article
Ma, S., Paulson, K. S., & Wilkinson, A. J. (2014). An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm. Ultrasonics, 54(2), (502-515). doi:10.1016/j.ultras.2013.07.017. ISSN 0041-624X

A non-linear control method, known as Variable Structure Control (VSC), is employed to reduce the duration of ultrasonic (US) transducer transients. A physically realizable system using a simplified form of the VSC algorithm is proposed for standard... Read More

A phase modulation-based ultrasonic communication system using Variable Structure Control (2010)
Conference Proceeding
Ma, S., Paulson, K. S., & Wilkinson, A. J. (2010). A phase modulation-based ultrasonic communication system using Variable Structure Control. doi:10.1109/icct.2010.5688708

Narrow bandwidth transducers used in existing ultrasonic data communication systems are known to be devices with a high Q resonant response and low coupling to both the electrical drive and acoustic output interfaces. These features limit the speed o... Read More

Automated model generation algorithm for high-level fault modeling (2010)
Journal Article
Xia, L., Wilkinson, A. J., & Bell, I. M. (2010). Automated model generation algorithm for high-level fault modeling. IEEE transactions on computer-aided design of integrated circuits and systems, 29(7), 1140-1145. doi:10.1109/TCAD.2010.2045556

High-level modeling for operational amplifiers (opamps) has been previously carried out successfully using models generated by published automated model generation approaches. Furthermore, high-level fault modeling (HLFM) has been shown to work reaso... Read More

Review of high level fault modeling approaches for mixed-signal systems (2010)
Journal Article
Xia, L., Wilkinson, A., & Bell, I. (2010). Review of high level fault modeling approaches for mixed-signal systems. Journal of Electronics (China), 27(4), (490-497). doi:10.1007/s11767-011-0350-1. ISSN 0217-9822

In the modern analogue design, Transistor Level Fault Simulation (TLFS) plays the importantpart since every fault in the whole circuit has to be simulated at that level. Unfortunately, it isa very CPU intensive task even though it maintains the high... Read More

Management of spatial and temporal thermal dynamics using TLM (2008)
Journal Article
Koay, A. L., Wilkinson, A. J., & Pulko, S. H. (2008). Management of spatial and temporal thermal dynamics using TLM. International journal of numerical modelling, 21(6), (591-606). doi:10.1002/JNM.701. ISSN 0894-3370

The design of a preliminary spatial thermal control algorithm is described. This is based on the traditional state-space servo design and exploits the analogy between the transmission line matrix (TLM) method and state-space. The TLM algorithm involv... Read More

TLM nodal state estimator: an alternative method of initializing a two-dimensional diffusion model (2008)
Journal Article
Koay, A. L., Wilkinson, A. J., & Pulko, S. H. (2008). TLM nodal state estimator: an alternative method of initializing a two-dimensional diffusion model. International journal of numerical modelling, 21(5), (351-368). doi:10.1002/jnm.677. ISSN 0894-3370

The transmission line matrix (TLM) method is an established technique for modelling thermal transients in heat transfer systems. However, initial and boundary conditions have always been slightly problematic, particularly when the boundary condition... Read More

An investigation of the effect of feedback on TLM nodes representing heat transfer (2005)
Journal Article
Koay, A. L., Pulko, S. H., & Wilkinson, A. J. (2005). An investigation of the effect of feedback on TLM nodes representing heat transfer. International journal of numerical modelling, 18(6), 399-411. doi:10.1002/jnm.586

TLM is a very successful technique for modelling thermal transients in heat transfer systems. However, useful though transient modelling is, there are many systems in which the desired thermal behaviour can only be obtained by direct, real-time inter... Read More

Temporary balloon catheter occlusion for control of haemorrhage following penetrating axillary artery injury (2004)
Journal Article
Mehta, T., Venkata Subramaniam, A., Chetter, I., Nicholson, A., & Wilkinson, A. (2004). Temporary balloon catheter occlusion for control of haemorrhage following penetrating axillary artery injury. European Journal of Vascular and Endovascular Surgery Extra, 8(2), 29-30. doi:10.1016/j.ejvsextra.2004.05.014

Penetrating injuries of the axillary artery are uncommon. Their repair can be difficult in the presence of torrential haemorrhage, which obscures the surgical field. We describe the use of interventional radiology for temporary control of bleeding to... Read More

Wrapping strategies for temperature control of chilled foodstuffs during transport (2004)
Journal Article
Stubbs, D. M., Pulko, S. H., & Wilkinson, A. J. (2004). Wrapping strategies for temperature control of chilled foodstuffs during transport. Transactions of the Institute of Measurement and Control, 26(1), 69-80. doi:10.1191/0142331204tm0106oa

There is a growing market for food producers to supply their goods direct to customers, which has largely been brought about by the growing popularity of web-based ordering. However, the geographical distance between supplier and consumer can be larg... Read More

The value of abdominal examination in the diagnosis of abdominal aortic aneurysm (2004)
Journal Article
McCollum, P., Chetter, I., Venkatasubramaniam, A., Venkatasubramaniam, A., Wilkinson, A., Johnson, B., …Chetter, I. (2003). The value of abdominal examination in the diagnosis of abdominal aortic aneurysm. European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery, 27(1), 56-60. doi:10.1016/j.ejvs.2003.09.006

Background. There is considerable variability in the reported value of clinical examination in the diagnosis of abdominal aortic aneurysms (AAA). This study aims to assess accuracy of abdominal examination by a doctor, a nurse and the patient in the... Read More

REVERSE TIME TLM MODELING OF THERMAL PROBLEMS DESCRIBED BY THE HYPERBOLIC HEAT CONDUCTION EQUATION (2003)
Journal Article
Wilkinson, A., Koay, A., Pulko, S., & Wilkinson, A. (2003). REVERSE TIME TLM MODELING OF THERMAL PROBLEMS DESCRIBED BY THE HYPERBOLIC HEAT CONDUCTION EQUATION. Numerical Heat Transfer, Part B Fundamentals, 44(4), 347-363. doi:10.1080/713836408

A method for reverse-time transmission line matrix (TLM) modeling of thermal diffusion problems described by the hyperbolic heat conduction equation is presented. The method involves pulse scattering governed by the inverse of the usual scattering ma... Read More

Sensitivity of embedded component temperature to PCB structure and heat transfer coefficient (2003)
Journal Article
Stubbs, D. M., Pulko, S. H., & Wilkinson, A. J. (2003). Sensitivity of embedded component temperature to PCB structure and heat transfer coefficient. IEE Proceedings Circuits Devices and Systems, 150(1), 73-77. doi:10.1049/ip-cds:20030184

The sensitivity of embedded component temperature to the location of an embedded copper ground plane is investigated using computer simulation. The results show that the presence of a copper ground plane in close proximity to a component layer improv... Read More

An investigation of the sensitivity of embedded passive component temperatures to PCB structure (2002)
Journal Article
Stubbs, D. M., Pulko, S. H., & Wilkinson, A. J. (2002). An investigation of the sensitivity of embedded passive component temperatures to PCB structure. IEEE Transactions on Components and Packaging Technologies, 25(4), 701-707. doi:10.1109/TCAPT.2002.806175

The embedding of passive components such as resistors, capacitors and inductors within printed circuit boards (PCBs) is motivated, to a large extent, by the desire for increased miniaturization of electronic goods. However, resistors and, to a lesser... Read More

The 'Mouse Organ' project: a learning approach to promote creativity and motivation (2002)
Journal Article
Miles, R., Wilkinson, A., & Bateson, A. (2002). The 'Mouse Organ' project: a learning approach to promote creativity and motivation. International journal of electrical engineering education, 39(3), (278 - 283). ISSN 0020-7209

This paper describes an approach to the teaching of the design and development of embedded computer systems. Traditional lectures in computer architecture and real time software are complemented by project-based learning with appropriate support sess... Read More

TLM representation of the hyperbolic heat conduction equation (2002)
Journal Article
Saidane, A., Pulko, S. H., & Wilkinson, A. J. (2002). TLM representation of the hyperbolic heat conduction equation. International journal of numerical modelling, 15(3), (303-315). doi:10.1002/jnm.445. ISSN 0894-3370

Many heat transfer situations are adequately described by the parabolic thermal diffusion equation. However, in situations in which very rapid heating occurs or in slower heating regimes for particular materials, the hyperbolic heat conduction equati... Read More