Modelling Photonic Crystal Surface Emitting Lasers (PCSELs) with Iterative Weighted Index Method

Lang, B.; Vukovic, A.; Sewell, P.; Rihani, S.; Boylan, K.; Berry, G.; Hattasan, N.; Moodie, D.; Rawsthorne, J.

doi:10.1109/ICEAA57318.2023.10297919

Response of framed buildings on separate footings to tunnelling: a hybrid modelling study (2024)
Conference Proceeding
Spaggiari, C., Tang, C., Boldini, D., & Marshall, A. M. (in press). Response of framed buildings on separate footings to tunnelling: a hybrid modelling study. In Proceedings of the 5th ECPMG 2024

Within the framework of hybrid geotechnical modelling, the coupled centrifuge-numerical modelling (CCNM) technique, developed at the University of Nottingham Centre for Geomechanics (NCG), is becoming a well-established approach to study the interact... Read More about Response of framed buildings on separate footings to tunnelling: a hybrid modelling study.

Effect of elastic modulus on masonry buildings during tunnelling: a coupled centrifuge-numerical modelling study (2024)
Conference Proceeding
Tang, C., & Marshall, A. M. (in press). Effect of elastic modulus on masonry buildings during tunnelling: a coupled centrifuge-numerical modelling study. In Proceedings of the 5th ECPMG 2024

In this study, a novel coupled centrifuge-numerical modelling (CCNM) approach of shallow strip foundations developed at the University of Nottingham Centre for Geomechanics (NCG) is used to study the response of masonry building behaviour during tunn... Read More about Effect of elastic modulus on masonry buildings during tunnelling: a coupled centrifuge-numerical modelling study.

Setup and calibration of piles with FBG strain sensors in a geotechnical centrifuge = Configuration et calibration de pieux équipés de capteurs de deformation FBG dans une centrifugeuse géotechnique (2024)
Conference Proceeding
Tang, C., Marshall, A. M., Heron, C. M., Franza, A., & Xu, J. (in press). Setup and calibration of piles with FBG strain sensors in a geotechnical centrifuge = Configuration et calibration de pieux équipés de capteurs de deformation FBG dans une centrifugeuse géotechnique. In Proceedings of the XVIII ECSMGE 2024

This paper discusses technical aspects of the experimental setup and calibration processing during centrifuge testing of single piles, instrumented with fibre Bragg grating (FBG) strain sensors, under vertical loads. Results illustrate the influence... Read More about Setup and calibration of piles with FBG strain sensors in a geotechnical centrifuge = Configuration et calibration de pieux équipés de capteurs de deformation FBG dans une centrifugeuse géotechnique.

Improving the development and reusability of Industrial AI through Semantic Models (2024)
Conference Proceeding
Martínez-Arellano, G., & Ratchev, S. (in press). Improving the development and reusability of Industrial AI through Semantic Models.

Despite some of the success of AI, particularly machine learning, in industrial applications such as condition monitoring, quality inspection and asset control , solutions are typically bespoke and not robust in the long term. There is a considerable... Read More about Improving the development and reusability of Industrial AI through Semantic Models.

In two minds: distractive and protective effects of passengers in automated vehicles (2024)
Conference Proceeding
LARGE, D., Harvey, C., Shaw, E., Khandeparker, S., Burnett, G., & Box, E. (in press). In two minds: distractive and protective effects of passengers in automated vehicles.

We highlight exemplar behaviours elicited through the observation of driver-passenger interactions in a multiple journey driving simulator study, demonstrating both distractive and protective effects when a front-seat passenger is present during SAE... Read More about In two minds: distractive and protective effects of passengers in automated vehicles.

How does explainability affect perceived transparency, trust, acceptance and usefulness? (2024)
Conference Proceeding
Ding, Y., & Hermawati, S. (in press). How does explainability affect perceived transparency, trust, acceptance and usefulness?.

The effects of explainability on perceived trust, transparency, acceptance and usefulness were explored in a within subjects study (n=15) using an online shopping recommender system as a context. The study investigated three levels of explainability... Read More about How does explainability affect perceived transparency, trust, acceptance and usefulness?.

Manufacturable Edgewise Winding Solutions Considering Parallel Slot and Parallel Tooth Stator Structures (2023)
Conference Proceeding
George, L., Walker, A., Zhang, F., Vakil, G., & Gerada, C. (2023). Manufacturable Edgewise Winding Solutions Considering Parallel Slot and Parallel Tooth Stator Structures. . https://doi.org/10.1109/oncon60463.2023.10431188

Due to climate concerns, the push towards transportation electrification to deliver electric machines capable of high-power density performance is becoming increasingly critical. A key component of this is the structure and manufacture of the winding... Read More about Manufacturable Edgewise Winding Solutions Considering Parallel Slot and Parallel Tooth Stator Structures.

Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft (2023)
Conference Proceeding
Bai, G., Bozhko, S., Yang, T., Wheeler, P., & Yeoh, S. S. (2023). Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft. . https://doi.org/10.1109/itecasia-pacific59272.2023.10372301

The more-electric aircraft (MEA) has been seen as the most major trend in the aerospace industry. With the increase in electrified loads, there is the need to generate more electrical power on-board aircraft. Considering regional jet sized aircraft,... Read More about Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft.

Packaging for fast switching power electronics (2023)
Conference Proceeding
Marchant, S., Dai, J., Mouawad, B., Empringham, L., & Clare, J. (2023). Packaging for fast switching power electronics. In 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP). https://doi.org/10.1109/SPEC56436.2023.10408379

This work investigates printed circuit board embedding of the power devices in order to support low inductance, fast switching package designs. The embedding process is discussed and a half bridge package is designed around a 500V supply voltage and... Read More about Packaging for fast switching power electronics.

Investigating multi-level ontology to support manufacturing during demand fluctuation (2023)
Conference Proceeding
Kazantsev, N., Niewiadomski, K., Martínez-Arellano, G., Elshafei, B., Mo, F., & Murthy, S. R. (2023). Investigating multi-level ontology to support manufacturing during demand fluctuation. In Low-Cost Digital Solutions for Industrial Automation (LoDiSA 2023). https://doi.org/10.1049/icp.2023.1752

Responding to demand fluctuations represents a challenge for manufacturers, as they often face resource limitations and cannot assess all potential solutions. This paper presents a low-cost semantic engineering solution (ontology) to coordinate poten... Read More about Investigating multi-level ontology to support manufacturing during demand fluctuation.

Property enhancement of recycled concrete aggregates through surface treatment (2023)
Conference Proceeding
Wang, H., Fang, Y., Wang, F., & Airey, G. D. (2023). Property enhancement of recycled concrete aggregates through surface treatment. In Advances in Functional Pavements - Proceedings of the 7th Chinese-European Workshop on Functional Pavements, CEW 2023 (116-121). https://doi.org/10.1201/9781003387374-23

Recycled concrete aggregate (RCA) retrieved from construction demolition and excavation waste is widely used as an alternative to natural aggregate (NA) in the construction industry. However, the weak adhered mortar adversely affects the properties o... Read More about Property enhancement of recycled concrete aggregates through surface treatment.

A Taguchi-LHS-RSM Double-Staged Approach for Design Optimization of Self-Ventilated Cooling Systems Utilized in PMSMs (2023)
Conference Proceeding
Zhu, G., Xu, Z., Zhang, F., Gerada, C., & Gerada, D. (2023). A Taguchi-LHS-RSM Double-Staged Approach for Design Optimization of Self-Ventilated Cooling Systems Utilized in PMSMs. In 26th International Conference on Electrical Machines and Systems (ICEMS). https://doi.org/10.1109/icems59686.2023.10344616

Thermal management is critical for high-power-density permanent magnet synchronous machines (PMSMs). To realize the efficient and effective design optimization of self-ventilated air cooling systems for PMSMs, in this paper, a Taguchi-preconditioned... Read More about A Taguchi-LHS-RSM Double-Staged Approach for Design Optimization of Self-Ventilated Cooling Systems Utilized in PMSMs.

The Need for a Symbiotic Interface for a Digital Twin (2023)
Conference Proceeding
Palmer, C., Goh, Y. M., Hubbard, E., Grant, R., & Houghton, R. (2023). The Need for a Symbiotic Interface for a Digital Twin. In Leveraging transdisciplinary engineering in a changing and connected world : proceedings of the 30th ISTE international conference on transdisciplinary engineering (873 - 882). https://doi.org/10.3233/ATDE230685

Human interaction with a Digital Twin is an emerging concept for which there are no common definitions. This paper considers the various types of human interaction with Digital Twins. There is very little research considering human cognitive interact... Read More about The Need for a Symbiotic Interface for a Digital Twin.

The Challenges of Conducting Transdisciplinary Engineering Research: A Case Study of the Made Smarter Innovation: Centre for People-Led Digitalisation (2023)
Conference Proceeding
Lattanzio, S., Goh, Y. M., Houghton, R., & Newnes, L. (2023). The Challenges of Conducting Transdisciplinary Engineering Research: A Case Study of the Made Smarter Innovation: Centre for People-Led Digitalisation. In Proceedings of the 30th ISTE International Conference on Transdisciplinary Engineering, Hua Hin Cha Am, Thailand, July 11–14, 2023 (751-760). https://doi.org/10.3233/atde230672

In order to meet growing complexity in societal and industrial requirements for engineering projects, there is a growing need for research projects that transcend traditional single discipline silos. Widespread experience and a growing academic liter... Read More about The Challenges of Conducting Transdisciplinary Engineering Research: A Case Study of the Made Smarter Innovation: Centre for People-Led Digitalisation.

Breaking the Cycle: Novel Capture Mechanisms for Active Space Debris Removal (2023)
Conference Proceeding
Taggart, A., Harris, J., Pushparaj, N., & Cappelletti, C. (2023). Breaking the Cycle: Novel Capture Mechanisms for Active Space Debris Removal.

Since the launch of Sputnik 1 in 1957, over 6000 rockets and more than 11,300 satellites have been launched into space, resulting in a high number of artificial space debris in orbit around Earth. Of this debris, there are over one million objects be... Read More about Breaking the Cycle: Novel Capture Mechanisms for Active Space Debris Removal.

Frequent Deep-Space Access Strategy for Venus Aeronomic Exploration Mission using Earth-Synchronous Orbits (2023)
Conference Proceeding
Ito, D., Pushparaj, N., & Kawakatsu, Y. (2023). Frequent Deep-Space Access Strategy for Venus Aeronomic Exploration Mission using Earth-Synchronous Orbits.

Geostationary transfer orbits (GTO) are earth-centric orbits widely used for kick-stage operations of satellites for deep space exploration missions. A rideshare spacecraft parked or deployed in GTOs usually requires minimal transfer cost compared to... Read More about Frequent Deep-Space Access Strategy for Venus Aeronomic Exploration Mission using Earth-Synchronous Orbits.

Quasi-solar Synchronous Orbit around the Moon based on Spatial Distant Retrograde Orbits (2023)
Conference Proceeding
Peng, L., Liang, Y., Pushparaj, N., & Shi, P. (2023). Quasi-solar Synchronous Orbit around the Moon based on Spatial Distant Retrograde Orbits.

The last several decades have witnessed the rapid development of lunar exploration, promoting researches on various types of lunar orbits including Distant Retrograde Orbits (abbr. DRO) that are feasible for orbiting tasks due to their stability. Man... Read More about Quasi-solar Synchronous Orbit around the Moon based on Spatial Distant Retrograde Orbits.

Optimal Transfer Trajectories between Relative Quasi-Satellite Orbits (2023)
Conference Proceeding
Pushparaj, N., Hiraiwa, N., & Bando, M. (2023). Optimal Transfer Trajectories between Relative Quasi-Satellite Orbits.

Quasi-satellite orbits (QSOs) are stable retrograde orbits in the restricted three-body problem that have gained attention as a viable candidate for future deep-space missions towards remote planetary satellites. Several mission design proposal uses... Read More about Optimal Transfer Trajectories between Relative Quasi-Satellite Orbits.

IEEE VTS Motor Vehicles Challenge 2024 - Energy and Powertrain Losses Management of an e-Racing Vehicle (2023)
Conference Proceeding
Li, K., & Vo-Duy, T. (2023). IEEE VTS Motor Vehicles Challenge 2024 - Energy and Powertrain Losses Management of an e-Racing Vehicle. In 2023 IEEE Vehicle Power and Propulsion Conference (VPPC). https://doi.org/10.1109/vppc60535.2023.10403256

Motor Vehicle Challenge, supported by IEEE Vehicular Technology Society, is an annual activity to find an appropriate energy management strategy to improve electric vehicles’ performance. In Challenge 2024, power losses and efficiency of power conver... Read More about IEEE VTS Motor Vehicles Challenge 2024 - Energy and Powertrain Losses Management of an e-Racing Vehicle.

Modelling Photonic Crystal Surface Emitting Lasers (PCSELs) with Iterative Weighted Index Method (2023)
Conference Proceeding
Lang, B., Vukovic, A., Sewell, P., Rihani, S., Boylan, K., Berry, G., …Rawsthorne, J. (2023). Modelling Photonic Crystal Surface Emitting Lasers (PCSELs) with Iterative Weighted Index Method. In 2023 International Conference on Electromagnetics in Advanced Applications (ICEAA) (485 - 485). https://doi.org/10.1109/ICEAA57318.2023.10297919

Photonic crystal surface emitting lasers (PCSELs) are a promising type of semiconductor laser, able to maintain single-mode operation over a large area, resulting in a high-power beam with small angular divergence.

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