Skip to main content

Research Repository

Advanced Search

Outputs (486)

Deployment of a distributed multi-agent architecture for transformable assembly (2018)
Presentation / Conference Contribution
Chaplin, J. C., & Ratchev, S. (2018, January). Deployment of a distributed multi-agent architecture for transformable assembly. Presented at 8th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2018, Chamonix, France

Industry 4.0 represents a new philosophy in manufacturing systems, based on networked, intelligent, and cooperative resources. This revolution is necessary to make the cost-effective production of batch-size-of-one customised items in high-value manu... Read More about Deployment of a distributed multi-agent architecture for transformable assembly.

A Low-Cost Automated Fastener Painting Method Based on Machine Vision (2018)
Presentation / Conference Contribution
Zhao, R., Drouot, A., Griffin, J., Crossley, R., & Ratchev, S. (2018, January). A Low-Cost Automated Fastener Painting Method Based on Machine Vision. Presented at 8th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2018, Chamonix, France

Fastener painting of aerospace structures, in particular legacy products , relies heavily on the skill or rather craftsmanship of the human operator. This process is time-consuming while automated operations with industrial robots can be a more effic... Read More about A Low-Cost Automated Fastener Painting Method Based on Machine Vision.

Towards a cloud-based analytics framework for assembly systems (2018)
Book Chapter
Terrazas, G., de Silva, L., & Ratchev, S. (2018). Towards a cloud-based analytics framework for assembly systems. In S. Ratchev (Ed.), Precision assembly in the digital age: 8th IFIP WG5.5 International Precision Assembly Seminar, IPAS 2108, Chamonix, France, January 14-16, 2018: revised selected papers (134-141). Springer. https://doi.org/10.1007/978-3-030-05931-6_13

Advanced digitalization together with the rise of cloud technologies is a key enabler for a fundamental paradigm shift known as Industry 4.0 which pro-poses the integration of the new generation of ICT solutions for the monitoring, adaptation, simula... Read More about Towards a cloud-based analytics framework for assembly systems.

An Integral Design of Ground Power Unit Supply for Aircraft Applications (2018)
Presentation / Conference Contribution
Rivera, M., Faundez, D., Kolar, J., Wheeler, P., Riveros, J. A., & Toledo, S. (2018, November). An Integral Design of Ground Power Unit Supply for Aircraft Applications. Presented at 5th International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles (ESARS) and International Transportation Electrification Conference (ITECH), Nottingham, UK

A new ground power unit configuration is introduced in this paper. The architecture comprises a six-pulse rectifier with active current injection in the input stage to achieve high-performance conversion with low polluted ac spectrum, whereas the out... Read More about An Integral Design of Ground Power Unit Supply for Aircraft Applications.

Comprehensive design optimization of a wind power converter using SiC technology (2018)
Presentation / Conference Contribution
Hussein, A., & Castellazzi, A. (2018, December). Comprehensive design optimization of a wind power converter using SiC technology. Presented at 6th IEEE International Conference on Smart Grid, icSmartGrids 2018, Nagasaki, Japan

This paper proposes the joint electro-magnetic and electro-thermal design optimization of a three-phase two-level voltage-source inverter, referring to the specific operational conditions of wind power conversion applications. The reference power lev... Read More about Comprehensive design optimization of a wind power converter using SiC technology.

Bond behavior degradation between FRP and masonry under aggressive environmental conditions (2018)
Journal Article
Ramirez, R., Maljaee, H., Ghiassi, B., Lourenço, P. B., & Oliveira, D. V. (2019). Bond behavior degradation between FRP and masonry under aggressive environmental conditions. Mechanics of Advanced Materials and Structures, 26(1), 6-14. https://doi.org/10.1080/15376494.2018.1534164

Application of Fibre Reinforced Polymers (FRPs) as external reinforcement for masonry structures has been found to be a promising technique, but the long-term behavior of such systems still needs attention. This study presents an overview of the expe... Read More about Bond behavior degradation between FRP and masonry under aggressive environmental conditions.

Engineering Solutions in Scale-Up and Tank Design for Metal Hydrides (2018)
Journal Article
Capurso, G., Jepsen, J., Bellosta von Colbe, J. M., Pistidda, C., Metz, O., Yigit, D., Jun Cao, H., Hardian, R., Strauch, A., Taube, K., Klassen, T., & Dornheim, M. (2018). Engineering Solutions in Scale-Up and Tank Design for Metal Hydrides. Materials Science Forum, 941, 2220-2225. https://doi.org/10.4028/WWW.SCIENTIFIC.NET/MSF.941.2220

A holistic approach is required for the development of materials and systems for hydrogen storage, embracing all the different steps involved in a successful advance of the technology. The several engineering solutions presented in this work try to a... Read More about Engineering Solutions in Scale-Up and Tank Design for Metal Hydrides.

The use of POD filtering to study the transition from 2D to 3D in stratified two- phase flow (2018)
Presentation / Conference Contribution
Hann, D. B., Loizou, K., Vasques, J., Tokarev, M. P., & Cherdantsev, A. V. (2018, July). The use of POD filtering to study the transition from 2D to 3D in stratified two- phase flow. Presented at 19th International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics, Lisbon, Portugal

The understanding of the velocity profile beneath waves in sheared flow can have implications for the understanding of heat transfer in many applications. In this paper an analysis of the velocity field beneath 2D and 3D waves is performed to underst... Read More about The use of POD filtering to study the transition from 2D to 3D in stratified two- phase flow.

Influence of DGs on the Single-Ended Impedance Based Fault Location Technique (2018)
Presentation / Conference Contribution
Jahanger, H. K., Sumner, M., & Thomas, D. W. P. (2018, November). Influence of DGs on the Single-Ended Impedance Based Fault Location Technique. Presented at 5th International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles (ESARS) and International Transportation Electrification Conference (ITECH), Nottingham, UK

The penetration of Distributed Generation (DG) into electricity distribution systems or the integrated power system such as ship or aircraft power systems present a challenge to fault location techniques. This paper investigates the influence of inve... Read More about Influence of DGs on the Single-Ended Impedance Based Fault Location Technique.