All Outputs (38)

Numerical analysis of transient thermal contrast on the surface of women’s breasts during recovery from contact cooling (2024)
Thesis
Amri, A. (2024). Numerical analysis of transient thermal contrast on the surface of women’s breasts during recovery from contact cooling. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4927492

The Transmission Line Matrix (TLM) method is used to solve numerically a heat transfer model for the woman’s breast and predict the tumour-induced thermal contrast on its surface during a breast thermography exam. This imaging modality is beset with... Read More about Numerical analysis of transient thermal contrast on the surface of women’s breasts during recovery from contact cooling.

Detection and measurement and of repolarisation features in atrial fibrillation and healthy subjects (2019)
Thesis
Al-Karadi, M. S. (2019). Detection and measurement and of repolarisation features in atrial fibrillation and healthy subjects. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4222173

Major cardiac organisations recommended U wave abnormalities should be reported during ECG interpretation. However, U waves cannot be measured in patients with atrial fibrillation (AF) due to the obscuring fibrillatory wave.

The first aim of the r... Read More about Detection and measurement and of repolarisation features in atrial fibrillation and healthy subjects.

Validation of an algorithm to reveal the U wave in atrial fibrillation (2018)
Journal Article
Al-Karadi, M. S., Wilkinson, A. J., Caldwell, J., & Langley, P. (2018). Validation of an algorithm to reveal the U wave in atrial fibrillation. Scientific reports, 8(1), Article 11946. https://doi.org/10.1038/s41598-018-30493-8

Major cardiac organisations recommend U wave abnormalities should be reported during ECG interpretation. However, U waves cannot be measured in patients with atrial fibrillation (AF) due to the obscuring fibrillatory wave. The aim was to validate a U... Read More about Validation of an algorithm to reveal the U wave in atrial fibrillation.

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. https://doi.org/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 about Lateralized Eye Use Towards Video Stimuli in Bearded Dragons (Pogona vitticeps).

A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study (2016)
Journal Article
Clewett, C. J., Langley, P., Bateson, A. D., Asghar, A., & Wilkinson, A. 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. https://doi.org/10.1049/htl.2015.0037

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 about A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study.

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

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 about An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm.

Increasing the capacity of an ultrasonic communication systems using variable structure control (2011)
Thesis
Ma, S. (2011). Increasing the capacity of an ultrasonic communication systems using variable structure control. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4212043

Narrow bandwidth transducers used in existing ultrasonic (US) data communication systems are known to be devices with a high Q resonant response and low coupling to both the electrical drive and acoustic interfaces. These features limit the speed of... Read More about Increasing the capacity of an ultrasonic communication systems using variable structure control.

A phase modulation-based ultrasonic communication system using Variable Structure Control (2010)
Presentation / Conference Contribution
Ma, S., Wilkinson, A. J., & Paulson, K. S. A phase modulation-based ultrasonic communication system using Variable Structure Control. Presented at 2010 IEEE 12th International Conference on Communication Technology

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 about A phase modulation-based ultrasonic communication system using Variable Structure Control.

Test analysis & fault simulation of microfluidic systems (2010)
Thesis
Myers, T. O. (2010). Test analysis & fault simulation of microfluidic systems. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4210117

This work presents a design, simulation and test methodology for microfluidic systems, with particular focus on simulation for test. A Microfluidic Fault Simulator (MFS) has been created based around COMSOL which allows a fault-free system model to u... Read More about Test analysis & fault simulation of microfluidic systems.

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. https://doi.org/10.1007/s11767-011-0350-1

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 about Review of high level fault modeling approaches for mixed-signal systems.

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. https://doi.org/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 about Automated model generation algorithm for high-level fault modeling.

Automatic generation of high level fault simulation models for analogue circuits (2008)
Thesis
Xia, L. (2008). Automatic generation of high level fault simulation models for analogue circuits. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4208715

High level modelling (HLM) for operational amplifiers (op amps) has been previously carried out successfully using models generated by published automated model generation (AMG) approaches. Furthermore, high level fault modelling (HLFM) has been sho... Read More about Automatic generation of high level fault simulation models for analogue circuits.

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. https://doi.org/10.1002/JNM.701

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 about Management of spatial and temporal thermal dynamics using TLM.

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. https://doi.org/10.1002/jnm.677

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 about TLM nodal state estimator: an alternative method of initializing a two-dimensional diffusion model.

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. https://doi.org/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 about An investigation of the effect of feedback on TLM nodes representing heat transfer.

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. https://doi.org/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 about Temporary balloon catheter occlusion for control of haemorrhage following penetrating axillary artery injury.

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. https://doi.org/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 about Wrapping strategies for temperature control of chilled foodstuffs during transport.

The value of abdominal examination in the diagnosis of abdominal aortic aneurysm (2004)
Journal Article
Venkatasubramaniam, A., Mehta, T., Chetter, I., Bryce, J., Renwick, P., Johnson, B., Wilkinson, A., & McCollum, P. (2004). 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. https://doi.org/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 about The value of abdominal examination in the diagnosis of abdominal aortic aneurysm.

REVERSE TIME TLM MODELING OF THERMAL PROBLEMS DESCRIBED BY THE HYPERBOLIC HEAT CONDUCTION EQUATION (2003)
Journal Article
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. https://doi.org/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 about REVERSE TIME TLM MODELING OF THERMAL PROBLEMS DESCRIBED BY THE HYPERBOLIC HEAT CONDUCTION EQUATION.

Sensitivity of embedded component temperature to PCB structure and heat transfer coefficient (2003)
Journal Article
Stubbs, D. M., Wilkinson, A. J., & Pulko, S. H. (2003). Sensitivity of embedded component temperature to PCB structure and heat transfer coefficient. IEE Proceedings Circuits Devices and Systems, 150(1), 73-77. https://doi.org/10.1049/ip-cds%3A20030184

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 about Sensitivity of embedded component temperature to PCB structure and heat transfer coefficient.