All Outputs (175)

Addressing collision avoidance and nonholonomic constraints of a wheeled robot: Modeling and simulation (2014)
Presentation / Conference Contribution
Zohaib, M., Pasha, S. M., Bushra, H., Hassan, K., & Iqbal, J. (2014, April). Addressing collision avoidance and nonholonomic constraints of a wheeled robot: Modeling and simulation. Presented at 2014 International Conference on Robotics and Emerging Allied Technologies in Engineering (iCREATE), Islamabad, Pakistan

This paper presents kinematic model of two configurations of a wheeled mobile robot. Two-wheeled robot with castor and four-wheeled robot are considered for modeling. Kinematic equations, modeled in MATLAB/Simulink, represent the position and angle o... Read More about Addressing collision avoidance and nonholonomic constraints of a wheeled robot: Modeling and simulation.

A tutorial on metamodelling for grammar researchers (2014)
Presentation / Conference Contribution
Paige, R. F., Kolovos, D. S., & Polack, F. A. A tutorial on metamodelling for grammar researchers

A metamodel has been defined as: a model of a model; a definition of a language; a description of abstract syntax; and a description of a domain. Because of these varied definitions, it is difficult to explain why metamodels are constructed, what can... Read More about A tutorial on metamodelling for grammar researchers.

Survey: A comparison of spectrum sensing techniques in cognitive radio (2014)
Presentation / Conference Contribution
Fanan, A., Riley, N., Mehdawi, M., Ammar, M., & Zolfaghari, M. (2014, January). Survey: A comparison of spectrum sensing techniques in cognitive radio. Presented at International Conference Image Processing, Computers and Industrial Engineering

In the present day Cognitive Radio has become a realistic option for solution of the spectrum scarcity problem in wireless communication. One of the most challenging issues in cognitive radio systems is spectrum sensing concepts, which is considered... Read More about Survey: A comparison of spectrum sensing techniques in cognitive radio.

A Spectrum Sensing Test Bed based on Matlab and USRP2 (2014)
Presentation / Conference Contribution
Ammar, M., Mehdawi, M., Riley, N., Fanan, A., Paulson, K., & Zolfaghari, M. (2014, January). A Spectrum Sensing Test Bed based on Matlab and USRP2. Presented at International Conference on Machine Learning, Electrical and Mechanical Engineering

— The spectrum monitoring has gained new aspects with development of the software defined radio SDR as its very important issue in the spectrum management area. In this paper a spectrum monitoring technique with SDR is proposed, the setup of the prot... Read More about A Spectrum Sensing Test Bed based on Matlab and USRP2.

Using simulation to evaluate dynamic systems with weibull or lognormal distributions (2014)
Presentation / Conference Contribution
Edifor, E., Gordon, N., Walker, M., & Papadopoulos, Y. Using simulation to evaluate dynamic systems with weibull or lognormal distributions. Presented at Ninth International Conference on Dependability and Complex Systems DepCoS-RELCOMEX, Brunów, Poland

© Springer International Publishing Switzerland 2014. Most techniques for quantitatively analysing the temporal fault trees of safety-critical systems are used with the assumption that the systems under study have exponentially distributed component... Read More about Using simulation to evaluate dynamic systems with weibull or lognormal distributions.

GPU accelerating technique for rendering implicitly represented vasculatures (2014)
Presentation / Conference Contribution
Hong, Q., Wang, B., Li, Q., Li, Y., & Wu, Q. GPU accelerating technique for rendering implicitly represented vasculatures. Presented at 2nd International Conference on Biomedical Engineering and Biotechnology, Wuhan, China

With the flooding datasets of medical Computed Tomography (CT) and Magnetic Resonance Imaging (MRI), implicit modeling techniques are increasingly applied to reconstruct the human organs, especially the vasculature. However, displaying implicitly rep... Read More about GPU accelerating technique for rendering implicitly represented vasculatures.

Quantification of Simultaneous-AND Gates in Temporal Fault Trees (2013)
Presentation / Conference Contribution
Edifor, E., Walker, M., & Gordon, N. Quantification of Simultaneous-AND Gates in Temporal Fault Trees

Fault Tree Analysis has been a cornerstone of safety-critical systems for many years. It has seen various extensions to enable it to analyse dynamic behaviours exhibited by modern systems with redundant components. However, none of these extended FTA... Read More about Quantification of Simultaneous-AND Gates in Temporal Fault Trees.

Multi-objective architecture optimisation modelling for dependable systems (2013)
Presentation / Conference Contribution
Mian, Z., & Bottaci, L. Multi-objective architecture optimisation modelling for dependable systems. Presented at 4th IFAC Workshop on Dependable Control of Discrete Systems, York, UK

The design of dependable systems must address both cost and dependability (i.e. safety, reliability, availability and maintainability) concerns. For large systems, the design space of alternatives with respect to both dependability and cost is very l... Read More about Multi-objective architecture optimisation modelling for dependable systems.

Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio (2013)
Presentation / Conference Contribution
Mehdawi, M. A., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2013, November). Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio. Presented at 2013 21st Telecommunications Forum Telfor, TELFOR 2013 - Proceedings of Papers

Cognitive radio offers an increasingly attractive solution to overcome the underutilization problem. A sensor network based cooperative wideband spectrum sensing is proposed in this paper. The purpose of the sensor network is to determine the frequen... Read More about Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio.

Automatic generation of Temporal Fault Trees from AADL models (2013)
Presentation / Conference Contribution
Mahmud, N., & Mian, Z. (2013, September). Automatic generation of Temporal Fault Trees from AADL models. Presented at Safety, Reliability and Risk Analysis: Beyond the Horizon - Proceedings of the European Safety and Reliability Conference, ESREL 2013, Amsterdam, Netherlands

The Architecture Analysis and Design Language (AADL) is gaining growing acceptance in the aerospace, automobile and avionics industries. These industries are increasingly concerned with systems exhibiting sequence-dependent failures. About dependabil... Read More about Automatic generation of Temporal Fault Trees from AADL models.

The technology supported assessment model: a proposal for FIT in HNUE (2013)
Presentation / Conference Contribution
Nguyen, T. C., & Gordon, N. (2013, June). The technology supported assessment model: a proposal for FIT in HNUE. Presented at Learning technologies

The student learning assessment systems used in many Vietnamese universities do not utilise technology enhanced learning. Therefore, assessment systems take up a lot of time, and require manual human intervention. Moreover, the benefits of active lea... Read More about The technology supported assessment model: a proposal for FIT in HNUE.

Robotics for nuclear power plants - Challenges and future perspectives (2013)
Presentation / Conference Contribution
Iqbal, J., Tahir, A. M., Ul Islam, R., & Riaz-Un-Nabi. (2012, September). Robotics for nuclear power plants - Challenges and future perspectives. Presented at 2012 2nd International Conference on Applied Robotics for the Power Industry (CARPI), Zurich, Switzerland

Use of robotics and computerized tools in Nuclear Power Plants (NPPs) has been identified as a highly recommended practice by IAEA. The key rationale of robotics application has always been to avoid human exposure to hazardous environments and tasks... Read More about Robotics for nuclear power plants - Challenges and future perspectives.

An autonomous image-guided robotic system simulating industrial applications (2013)
Presentation / Conference Contribution
Islam, R. U., Iqbal, J., Manzoor, S., Khalid, A., & Khan, S. (2012, July). An autonomous image-guided robotic system simulating industrial applications. Presented at 2012 7th International Conference on System of Systems Engineering (SoSE), Genova, Italy

This paper presents a robotic system based on a serial manipulator. The robot is a vertical articulated arm with 5 revolute joints having 6 Degree Of Freedom. Actuated with six precise servo motors, the system offers positional accuracy of ±0.5mm wit... Read More about An autonomous image-guided robotic system simulating industrial applications.

Brain controlled human robot interface (2013)
Presentation / Conference Contribution
Naveed, K., Iqbal, J., & Ur Rehman, H. (2012, October). Brain controlled human robot interface. Presented at 2012 International Conference on Robotics and Artificial Intelligence (ICRAI)

This Paper emphasizes on the ever increasing need of better communication medium between a human and a robot in order to control it precisely. Brain Computer Interface (BCI) is the most suitable mean of communication between them, especially for the... Read More about Brain controlled human robot interface.

Control strategies for robotic manipulators (2012)
Presentation / Conference Contribution
Khan, M. F., Ul Islam, R., & Iqbal, J. (2012, October). Control strategies for robotic manipulators. Presented at 2012 International Conference on Robotics and Artificial Intelligence (ICRAI), Rawalpindi, Pakistan

This survey is aimed at presenting the major robust control strategies for rigid robot manipulators. The techniques discussed are feedback linearization/Computed torque control, Variable structure compensator, Passivity based approach and Disturbance... Read More about Control strategies for robotic manipulators.

Quantification of priority-OR gates in temporal fault trees (2012)
Presentation / Conference Contribution
Edifor, E., Walker, M., & Gordon, N. Quantification of priority-OR gates in temporal fault trees

Fault Tree Analysis has been used in reliability engineering for many decades and has seen various modifications to enable it to analyse fault trees with dynamic and temporal gates so it can incorporate sequential failure in its analysis. Pandora is... Read More about Quantification of priority-OR gates in temporal fault trees.

Describing and assessing image descriptions for visually impaired web users with IDAT (2012)
Presentation / Conference Contribution
Brayshaw, M., Nganji, J. T., Brayshaw, M., & Tompsett, B. Describing and assessing image descriptions for visually impaired web users with IDAT

People with visual impairments, particularly blind people face alot of difficulties browsing the web with assistive technologies such as screen readers, when websites do not conform to accessibility standards and are thus inaccessible. HTML is the ba... Read More about Describing and assessing image descriptions for visually impaired web users with IDAT.

Risk estimation of cardiovascular patients using Weka (2012)
Presentation / Conference Contribution
Bohacik, J., Davis, D., & Benedikovic, M. Risk estimation of cardiovascular patients using Weka. Presented at International Conference on Open Source Software in Education, Research and IT Solution, Zilina, Slovakia

Cardiovascular diseases remain the most prevalent cause of deaths worldwideand their prevention requires major life-style changes using limited health-care resources.Remote decision support for cardiovascular patients seems to allow them to lead a pr... Read More about Risk estimation of cardiovascular patients using Weka.

Emotions in robots (2012)
Presentation / Conference Contribution
Azeem, M. M., Iqbal, J., Toivanen, P., & Samad, A. Emotions in robots

This article gives a general overview of emotions in robotics. It sheds light on the composition of emotions in human beings and how this information can be used as blue print for creation of emotional robots. It discusses different factors involved... Read More about Emotions in robots.

A comparative study of missing value imputation with multiclass classification for clinical heart failure data (2012)
Presentation / Conference Contribution
Zhang, Y., Kambhampati, C., Davis, D. N., Goode, K., & Cleland, J. G. F. A comparative study of missing value imputation with multiclass classification for clinical heart failure data. Presented at 2012 9th International Conference on Fuzzy Systems and Knowledge Discovery

Clinical data often contains missing values. Imputation is one of the best known schemes to overcome the drawbacks associated with missing values in data mining tasks. In this work, we compared several imputation methods and analyzed their performanc... Read More about A comparative study of missing value imputation with multiclass classification for clinical heart failure data.