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All Outputs (475)

Non-coherent modelling in compositional fault tree analysis (2008)
Journal Article
Sharvia, S., & Papadopoulos, Y. I. (2008). Non-coherent modelling in compositional fault tree analysis. IFAC Proceedings Volumes/ International Federation of Automatic Control, 41(2), 4138-4143. https://doi.org/10.3182/20080706-5-KR-1001.00696

The inclusion of NOT gates in a fault tree creates a 'non-coherent' structure in which not only the failure of a component but also the negation of failure, i.e. the working state of the component, can contribute to the undesirable effects on a syste... Read More about Non-coherent modelling in compositional fault tree analysis.

A rule-based system for programming self-organized sensor and actor networks (2008)
Journal Article
Dressler, F., Dietrich, I., German, R., & Krüger, B. (2009). A rule-based system for programming self-organized sensor and actor networks. Computer Networks, 53(10), 1737-1750. https://doi.org/10.1016/j.comnet.2008.09.007

We describe a programming scheme for massively distributed systems that are assumed to self-organize according to a given set of simple rules. The focus of this investigation is operation and control in sensor and actor networks (SANETs). The main is... Read More about A rule-based system for programming self-organized sensor and actor networks.

Steering and visualization: Enabling technologies for computational science (2008)
Journal Article
Wright, H., Crompton, R. H., Kharche, S., & Wenisch, P. (2010). Steering and visualization: Enabling technologies for computational science. Future generations computer systems : FGCS, 26(3), 506-513. https://doi.org/10.1016/j.future.2008.06.015

Computational steering is an investigative paradigm whereby the parameters of a running program can be altered according to what is seen in the currently visualized results of the simulation. For certain problems, interactive computation brings speci... Read More about Steering and visualization: Enabling technologies for computational science.

Stable quantum filters with scattering phenomena (2008)
Journal Article
Ahamed, W. U., & Kambhampati, C. (2008). Stable quantum filters with scattering phenomena. International Journal of Automation and Computing, 5(2), 132-137. https://doi.org/10.1007/s11633-008-0132-x

Quantum neural network filters for signal processing have received a lot of interest in the recent past. The implementations of these filters had a number of design parameters that led to numerical inefficiencies. At the same time the solution proced... Read More about Stable quantum filters with scattering phenomena.

Linking perception and action through motivation and affect (2008)
Journal Article
Davis, D. N. (2008). Linking perception and action through motivation and affect. Journal of Experimental and Theoretical Artificial Intelligence, 20(1), 37-60. https://doi.org/10.1080/09528130701472424

Research into cognitive architectures is described within a framework spanning major issues in artificial intelligence and cognitive science. Earlier work on motivation is extended with a cognitive model of reasoning which, together with an affective... Read More about Linking perception and action through motivation and affect.

Autonomous clustering using rough set theory (2008)
Journal Article
Bean, C., & Kambhampati, C. (2008). Autonomous clustering using rough set theory. International Journal of Automation and Computing, 5(1), 90-102. https://doi.org/10.1007/s11633-008-0090-3

This paper proposes a clustering technique that minimizes the need for subjective human intervention and is based on elements of rough set theory (RST). The proposed algorithm is unified in its approach to clustering and makes use of both local and g... Read More about Autonomous clustering using rough set theory.

Haptic feedback can provide an objective assessment of arthroscopic skills (2008)
Journal Article
Chami, G., Ward, J. W., Phillips, R., & Sherman, K. P. (2008). Haptic feedback can provide an objective assessment of arthroscopic skills. Clinical orthopaedics and related research, 466(4), 963-968. https://doi.org/10.1007/s11999-008-0115-9

The outcome of arthroscopic procedures is related to the surgeon's skills in arthroscopy. Currently, evaluation of such skills relies on direct observation by a surgeon trainer. This type of assessment, by its nature, is subjective and time-consuming... Read More about Haptic feedback can provide an objective assessment of arthroscopic skills.

Posterior probability measure for image matching (2008)
Journal Article
Feng, Z., Lu, N., & Jiang, P. (2008). Posterior probability measure for image matching. Pattern Recognition, 41(7), 2422-2433. https://doi.org/10.1016/j.patcog.2007.12.013

Template matching is one of the principle techniques in visual tracking. Various similarity measures have been developed to find the target in an acquired image by matching with a template. However, mismatching or misidentification may sporadically... Read More about Posterior probability measure for image matching.

A generic strategy for fault-tolerance in control systems distributed over a network (2007)
Journal Article
Patton, R. J., Kambhampati, C., Casavola, A., Zhang, P., Ding, S., & Sauter, D. (2007). A generic strategy for fault-tolerance in control systems distributed over a network. European journal of control / EUCA, European Control Association, 13(2-3), 280-296. https://doi.org/10.3166/ejc.13.280-296

This paper provides a tutorial overview, of a number of aspects and approaches to Control over the Network for Network Control Systems (NCS) that are likely to lead to good fault-tolerant control properties, subject to network faults. In order to ana... Read More about A generic strategy for fault-tolerance in control systems distributed over a network.

Gyro-scope: An individual-based computer model to forecast gyrodactylid infections on fish hosts (2007)
Journal Article
Wright, H., Cable, J., Potter, R., & van Oosterhout, C. (2008). Gyro-scope: An individual-based computer model to forecast gyrodactylid infections on fish hosts. International journal for parasitology, 38(5), 541-548. https://doi.org/10.1016/j.ijpara.2007.09.016

Individual-based computer models (IBM) feature prominently in current theoretical ecology but have only been applied in a small number of parasitological studies. Here we designed an IBM to simulate the infection dynamics of gyrodactylid parasites an... Read More about Gyro-scope: An individual-based computer model to forecast gyrodactylid infections on fish hosts.

An interaction predictive approach to fault-tolerant control in network control systems (2007)
Journal Article
Kambhampati, C., Perkgoz, C., Patton, R. J., & Ahamed, W. (2007). An interaction predictive approach to fault-tolerant control in network control systems. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 221(6), 885-894. https://doi.org/10.1243/09596518jsce377

This paper illustrates some of the capabilities of previously proposed network control system (NCS) architectures to carry on functioning in the event of faults, without recourse to system reconfiguration. The principle of interaction prediction is u... Read More about An interaction predictive approach to fault-tolerant control in network control systems.

Steering via the image in local, distributed and collaborative settings (2007)
Journal Article
Wright, H., & Wood, J. D. (2008). Steering via the image in local, distributed and collaborative settings. Concurrency and Computation: Practice and Experience, 20(3), 265-276. https://doi.org/10.1002/cpe.1197

Computational steering is a valuable mechanism for scientific investigation in which the parameters of a running program can be altered and the results visualized immediately. In a previous paper we put forward an architecture for computational steer... Read More about Steering via the image in local, distributed and collaborative settings.

Smooth piecewise polynomial blending operations for implicit shapes (2007)
Journal Article
Li, Q. (2007). Smooth piecewise polynomial blending operations for implicit shapes. Computer graphics forum : journal of the European Association for Computer Graphics, 26(2), 157-171. https://doi.org/10.1111/j.1467-8659.2007.01011.x

In this paper, we present a new set of blending operations for implicitly defined geometric shapes. The proposed shape operators are piecewise polynomial and blending range controllable, and can be constructed to any required degree of smoothness. Th... Read More about Smooth piecewise polynomial blending operations for implicit shapes.

Synthesis and analysis of temporal fault trees with PANDORA: the time of Priority AND gates (2007)
Journal Article
Walker, M., & Papadopoulos, Y. (2008). Synthesis and analysis of temporal fault trees with PANDORA: the time of Priority AND gates. Nonlinear Analysis: Hybrid Systems, 2(2), 368-382. https://doi.org/10.1016/j.nahs.2006.05.003

Classical Fault Tree Analysis (FTA) can determine the effects of combinations of failure events on a system but cannot capture the significance of the temporal order of events, which may be critical. In this paper, we propose an extension based on fo... Read More about Synthesis and analysis of temporal fault trees with PANDORA: the time of Priority AND gates.

Immersive visualization with automated collision detection for radiotherapy treatment planning (2007)
Journal Article
Ward, J. W., Phillips, R., Williams, T., Shang, C., Page, L., Prest, C., & Beavis, A. W. (2007). Immersive visualization with automated collision detection for radiotherapy treatment planning. Studies in health technology and informatics, 125, 491 - 496

Intensity modulated radiotherapy (IMRT) is a technique for treating cancer tumours using external delivery of radiation. To create a treatment plan the directions of the external radiation beams (typically 5 to 9) need to be specified. Normally the b... Read More about Immersive visualization with automated collision detection for radiotherapy treatment planning.

The role of exploratory action in face encoding (2006)
Journal Article
Liu, C., & Ward, J. (2006). The role of exploratory action in face encoding. Perception, 35(ECVP Abstract Supplement), 212 - 212

Research on face recognition has mainly relied on methods where observers are relatively passive viewers of face stimuli. We investigated whether active exploration of 3-D face stimuli could facilitate recognition performance. A yoked design was empl... Read More about The role of exploratory action in face encoding.

Virtual reality based tools in oncology teaching (2006)
Journal Article
Beavis, A., Bridge, P., Appleyard, R., Phillips, R., & Ward, J. (2006). Virtual reality based tools in oncology teaching. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 81(Supplement 1), S69 - S69

Entanglement transition of randomly branched polymers in the hyperbranched class (2006)
Journal Article
Kunamaneni, S., Buzza, D. M. A., Read, D. J., Parker, D., Kenwright, A. M., Feast, W. J., & Larsen, A. L. (2006). Entanglement transition of randomly branched polymers in the hyperbranched class. Macromolecules, 39(19), 6720-6736. https://doi.org/10.1021/ma0603276

We study the melt rheology of randomly branched polymers in the hyperbranched polymer (HBP) class which are formed by the co-condensation of AB and AB2 type monomers. Specifically, we study the effect of branch length Mx on the entanglement transitio... Read More about Entanglement transition of randomly branched polymers in the hyperbranched class.