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  • UAV collision avoidance considering no-fly-zones 
    Lee, Hae-In; Shin, Hyo-Sang; Tsourdos, Antonios (Elsevier, 2021-04-14)
    This paper proposes a collision avoidance algorithm that ensures minimum separation between the vehicles considering multiple no-fly-zones. The proposed algorithm aims to provide a practical and efficient tactical ...
  • UAV path planning optimization based on GNSS quality and mission requirements 
    Nanos, Nikolaos; Kagan Isik, Oguz; Verdeguer Moreno, Ricardo; Petrunin, Ivan; Panagiotakopoulos, Dimitrios; Tsourdos, Antonios (AIAA, 2021-01-04)
    One of the most crucial factors for the overall success of an Unmanned Aerial Vehicle (UAV) mission is navigation performance, which is severely affected in Global Navigation Satellite Systems (GNSS) challenging environments. ...
  • UAV trajectory optimization using chance-constrained second-order cone programming 
    Sun, Xin; Zhang, Baihai; Chai, Runqi; Tsourdos, Antonios; Chai, Senchun (Elsevier, 2021-12-23)
    It is challenging to generate optimal trajectories for nonlinear dynamic systems under external disturbances. In this brief, we present a novel approach for planning safe trajectories of the chance-constrained trajectory ...
  • UAV-assisted real-time evidence detection in outdoor crime scene investigations 
    Georgiou, Argyrios; Masters, Peter; Johnson, Stephen; Feetham, Luke (Wiley, 2022-03-09)
    Nowadays, a plethora of unmanned aerial vehicles (UAVs) designs that significantly vary in size, shape, operating flight altitude, and flight range have been developed to provide multidimensional capabilities across a wide ...
  • UCNS3D: An open-source high-order finite-volume unstructured CFD solver 
    Antoniadis, Antonis F.; Drikakis, Dimitris; Farmakis, Pericles S.; Fu, Lin; Kokkinakis, Ioannis; Nogueira, Xesús; Silva, Paulo A. S. F.; Skote, Martin; Titarev, Vladimir; Tsoutsanis, Panagiotis (Elsevier, 2022-06-21)
    UCNS3D is an open-source computational solver for compressible flows on unstructured meshes. State-of-the-art high-order methods and their associated benefits can now be implemented for industrial-scale CFD problems due ...
  • UK AFV and PPV procurement using Urgent Operational Requirements (UOR) 
    Antill, Peter D.; Smith, Jeremy C. D.; Moore, David M. (2012-03-30)
    Peter D Antill, Jeremy CD Smith and David M Moore explain how the Ministry of Defence rushed through a set of urgent solutions to provide better protection for deployed personnel travelling in Armoured Fighting Vehicles ...
  • The UK Aircraft Noise Index Study: 20 Years on. 
    Brooker, Peter (Institue of Acoustics, 2004)
    In the early 1980s the UK Department of Transport (now the Department for Transport: DfT is used here to cover all its incarnations) commissioned a study to determine what index should be used to assess aircraft noise ...
  • UK Aviation: Carbon Reduction Futures. Final Report to the Department for Transport. 
    Morris, Joe; Rowbotham, Alex; Morrell, Peter; Foster, Andy; Poll, Ian; Owen, Bethan; Raper, David; Mann, Mike; Ralph, Malcolm (2009-07-01)
    The objective of this study, commissioned by the Department for Transport, is to determine the scope for, and cost of actions that can be taken by, the UK domestic aviation sector to reduce its emissions of CO2. This ...
  • The UK code of corporate governance: link between compliance and firm performance 
    Shabbir, Amama; Padgett, Carol (Cranfield University School of Management, 2008-02)
    We investigate the relation between a detailed index of non-compliance with the UK corporate governance code, and firm performance for a panel of FTSE 350 companies from 2000 to 2003. The inverse relation between the ...
  • UK Competition Policy and Shareholder Value: The Impact of Merger Inquiries 
    Arnold, Malcolm F.; Parker, David (Blackwell Publishing, 2007-03)
    Some previous studies have suggested that competition re´gimes can destroy shareholder value. This study examines data on 50 mergers in the UK between 1989 and 2002. The study confirms the finding from earlier studies ...
  • UK Defence Supply Chain Relationships: a Study of Sustained Monopoly. 
    Humphries, Andrew; Wilding, Richard D. (Emerald Group Publishing Limited, 2004-01-01)
    Business-to-business, supply chain relationships within sustained monopolies, such as those within UK Defence Procurement, have received scant attention by Management Researchers. This paper describes the results from a ...
  • UK farming post reform: the key marketing challenges 
    Rickard, Sean; Roberts, Deborah (Cranfield University School of Management, 2008-03)
    The 2003 reform of the Common Agricultural Policy largely replaced the European Union’s production orientated system of price support with a decoupled, single farm payment (SFP) system that freed farmers to choose what ...
  • UK food and nutrition security during and after the COVID-19 pandemic 
    Rivington, Mike; King, R.; Duckett, D.; Iannetta, P.; Benton, T. G.; Burgess, Paul J.; Hawes, C.; Wellesley, L.; Polhill, J. G.; Aitkenhead, M.; Lozada‐Ellison, L.‐M.; Begg, G.; Williams, Adrian G.; Newton, A.; Lorenzo‐Arribas, A.; Neilson, R.; Watts, C.; Harris, Jim A.; Loades, K.; Stewart, D.; Wardell‐Johnson, D.; Gandossi, G.; Udugbezi, E.; Hannam, Jacqueline A.; Keay, Caroline (Wiley, 2021-02-19)
    The COVID‐19 pandemic is a major shock to society in terms of health and economy that is affecting both UK and global food and nutrition security. It is adding to the ‘perfect storm’ of threats to society from climate ...
  • UK Foot and Mouth disease: a systemic risk assessment of existing controls 
    Pollard, Simon J. T.; Prpich, George; Longhurst, Philip J. (Wiley, 2016-11-10)
    This article details a systemic analysis of the controls in place and possible interventions available to further reduce the risk of a foot and mouth disease (FMD) outbreak in the United Kingdom. Using a research-based ...
  • UK manufacturing : the challenge of transformation 
    New, Colin (1987)
  • The UK Ministry of Defence Project Orientated Environmental Management System (POEMS) 
    Ladyman, Melissa K.; Temple, Tracey J.; Gill, Philip P.; Galante, E. (Wiley, 2016-10)
    The Project Orientated Environmental Management System (POEMS) is the UK Ministry of Defence (MoD) bespoke environmental management system for the acquisition and use of equipment. The full implementation of a site-specific ...
  • UK smart grid development: an expert assessment of the benefits, pitfalls and functions 
    Xenias, Dimitrios; Axon, Colin J.; Whitmarsh, Lorraine; Connor, Peter M.; Balta-Ozkan, Nazmiye; Spence, Alexa (Elsevier, 2015-03-27)
    Making electricity grids smarter is a challenging, long-term, and ambitious process. It consists of many possible transitions and involves many actors relevant to existing and potential functions of the grid. We applied a ...
  • A UK survey of the use and management of cover crops 
    Storr, Tom; Simmons, Robert W.; Hannam, Jacqueline A. (Wiley, 2019-02-06)
    There is a growing trend in the use of cover crops in the United Kingdom, and whilst research shows there are many soil and environmental benefits, little is known about the farmer's perspective of cover cropping. A survey ...
  • UK tax implications for the small business 
    Brown, Robert (1991)
  • The UK's National Electronic Site Licencing Initiative. 
    Woodward, Hazel (Haworth Press, 2001)
    In 1998 the UK created the National Electronic Site Licensing Initiative (NESLI) to increase and improve access to electronic journals and to negotiate license agreements on behalf of academic libraries. The use of a model ...