Research Repository

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Generator overload reduction using smart power management (2018)
Conference Proceeding
Sagnolo, C., Sumsurooah, S., Hill, C., & Bozhko, S. (2018). Generator overload reduction using smart power management. In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC)

Weight reduction is a key driver in the aerospace sector. Every kilogram of weight reduction has significant benefits over the aircraft’s life cycle. This paper introduces a smart power management technique which is able to reduce the overload on the... Read More

Analysis on the potential performance of GPS and Galileo Precise Point Positioning using simulated Real-Time Products (2018)
Journal Article
Basile, F., Moore, T., & Hill, C. (2019). Analysis on the potential performance of GPS and Galileo Precise Point Positioning using simulated Real-Time Products. Journal of Navigation, 72(1), 19-33. doi:10.1017/s0373463318000577

With the evolving Global Navigation Satellite System (GNSS) landscape, the International GNSS Service (IGS) has started the Multi-GNSS Experiment (MGEX) to produce precise products for new generation systems. Various analysis centres are working on t... Read More

Development of aircraft electric starter-generator system based-on active rectification technology (2018)
Journal Article
Bozhko, S., Yang, T., Le Peuvedic, J., Arumugam, P., Degano, M., La Rocca, A., …Wheeler, P. (2018). Development of aircraft electric starter-generator system based-on active rectification technology. IEEE Transactions on Transportation Electrification, doi:10.1109/TTE.2018.2863031

More-electric aircraft (MEA) has become a dominant trend for modern aircraft. On-board MEA, many functions, which are conventionally driven by pneumatic and hydraulic power, are replaced with electrical subsystems. Starting aircraft engines with an e... Read More

Multi-Frequency Precise Point Positioning using GPS and Galileo data with smoothed ionospheric corrections (2018)
Conference Proceeding
Basile, F., Moore, T., Hill, C., McGraw, G., & Johnson, A. (in press). Multi-Frequency Precise Point Positioning using GPS and Galileo data with smoothed ionospheric corrections

The poor signal visibility and continuity associated with urban environments together with the slow convergence/reconvergence time of Precise Point Positioning (PPP), usually makes PPP unsuitable for land navigation in cities. However, results based... Read More

An assessment of the precise products on static Precise Point Positioning using Multi-Constellation GNSS (2018)
Conference Proceeding
Mohammed, J., Moore, T., Hill, C., & Bingley, R. (in press). An assessment of the precise products on static Precise Point Positioning using Multi-Constellation GNSS

Precise point positioning (PPP) is highly dependent on the precise ephemerides and satellite clock products that are used. Different ephemeris and clock products are available from a variety of different organizations. The aim of this paper is to ass... Read More

Adaptive stabilization of uncontrolled rectifier based AC-DC power systems feeding constant power loads (2017)
Journal Article
Areerak, K., Sopapirm, T., Bozhko, S., Hill, C., Suyapan, A., & Areerak, K. (in press). Adaptive stabilization of uncontrolled rectifier based AC-DC power systems feeding constant power loads. IEEE Transactions on Power Electronics, doi:10.1109/TPEL.2017.2779541. ISSN 0885-8993

It is known that, when tightly regulated, actively controlled power converters behave as constant power loads (CPLs). These loads can significantly degrade the stability of their feeder system. The loop-cancelation technique has been established as a... Read More

Analysis on the potential performance of GPS and Galileo Precise Point Positioning using simulated Real-Time products (2017)
Conference Proceeding
Basile, F., Moore, T., & Hill, C. (2017). Analysis on the potential performance of GPS and Galileo Precise Point Positioning using simulated Real-Time products

With the evolving Global Navigation Satellite System (GNSS) landscape, the International GNSS Service (IGS) has started the Multi-GNSS Experiment (MGEX) to produce precise products for new generation systems. Various Analysis Centres are working on t... Read More

Monitoring rail infrastructure using multisensor navigation on a moving platform and autonomous robots (2017)
Conference Proceeding
Roberts, S. J., Bonenberg, L. K., Jing, H., Sowter, A., Meng, X., Moore, T., …Bhatia, P. (2017). Monitoring rail infrastructure using multisensor navigation on a moving platform and autonomous robots

RailSat aims to use Global Navigation Satellite System (GNSS) to monitor and maintain railway assets and its surrounding environment by railway asset owners and/or other relevant stakeholders. The rail sector is looking for continuous monitoring sol... Read More

Flux weakening control of electric starter-generator based on permanent-magnet machine (2017)
Journal Article
Bozhko, S., Rashed, M., Hill, C., Yeoh, S. S., & Yang, T. (in press). Flux weakening control of electric starter-generator based on permanent-magnet machine. IEEE Transactions on Transportation Electrification, doi:10.1109/TTE.2017.2718221. ISSN 2332-7782

The paper presents control analysis and design for a Permanent Magnet Machine (PMM) operated in Flux-Weakening (FW) mode for an aircraft electric starter-generator application. Previous literature has focused on FW control of PMMs in motoring (starti... Read More

DC-link capacitor second carrier band switching harmonic current reduction in two-level back-to-back converters (2017)
Journal Article
Shen, L., Bozhko, S., Hill, C., & Wheeler, P. (in press). DC-link capacitor second carrier band switching harmonic current reduction in two-level back-to-back converters. IEEE Transactions on Power Electronics, 33(4), doi:10.1109/TPEL.2017.2706972. ISSN 0885-8993

This paper proposes an active switching harmonic current reduction method within the DC-link capacitor of two-level, three-phase, back-to-back converters. The method is based on the derived analytical solution for switching harmonic currents in the D... Read More

Indoor location based services challenges, requirements and usability of current solutions (2017)
Journal Article
Basiri, A., Lohan, E. S., Moore, T., Winstanley, A., Peltola, P., Hill, C., …Figueiredo e Silva, P. (2017). Indoor location based services challenges, requirements and usability of current solutions. Computer Science Review, 24, doi:10.1016/j.cosrev.2017.03.002. ISSN 1574-0137

Indoor Location Based Services (LBS), such as indoor navigation and tracking, still have to deal with both technical and non-technical challenges. For this reason, they have not yet found a prominent position in people’s everyday lives. Reliability a... Read More

Analytical modelling approach for switched reluctance machines with deep saturation (2017)
Conference Proceeding
Ding, X., Rashed, M., Hill, C. I., & Bozhko, S. (2017). Analytical modelling approach for switched reluctance machines with deep saturation. doi:10.1109/ESARS-ITEC.2016.7841411

This paper presents an analytical modelling approach for Switched Reluctance Machines (SRMs) with a wide saturation range. There are many existing analytical modelling approaches in literature that give good accuracy, however most do not consider mod... Read More

Trajectory optimisation for avionics-based GNSS integrity augmentation system (2016)
Conference Proceeding
Sabatini, R., Moore, T., Hill, C., Gardi, A., Ramasamy, S., & Gilgien, M. (2016). Trajectory optimisation for avionics-based GNSS integrity augmentation system. In 2016 IEEE/AIAA 35th Digital Avionics Systems Conference (DASC)doi:10.1109/DASC.2016.7778054

In this paper, trajectory optimisation algorithms developed specifically for the Global Navigation satellite System (GNSS) Avionics-Based Integrity Augmentation (ABIA) system are presented. The ABIA system is designed to increase the levels of integr... Read More

Avionics-Based GNSS Integrity Augmentation for UAS mission planning and real-time trajectory optimisation (2016)
Conference Proceeding
Sabatini, R., Moore, T., & Hill, C. (2016). Avionics-Based GNSS Integrity Augmentation for UAS mission planning and real-time trajectory optimisation

This paper explores the potential of integrating Global Navigation Satellite System (GNSS) Avionics Based Integrity Augmentation (ABIA) functionalities in Unmanned Aerial Systems (UAS) to perform mission planning and real-time trajectory optimisation... Read More

Particle filter for context sensitive indoor pedestrian navigation (2016)
Conference Proceeding
Peltola, P., Hill, C., & Moore, T. (in press). Particle filter for context sensitive indoor pedestrian navigation. In 2016 International Conference on Localization and GNSS (ICL-GNSS)doi:10.1109/ICL-GNSS.2016.7533865

Novel particle filter design combines foot mounted inertial (IMU), bluetooth low energy (BLE) and ultra-wideband (UWB) technologies along with map matching into a seamless integrated navigation system for indoors. The system was evaluated by 10 test... Read More