Browsing PhD and Masters by research theses (SoE) by Author "Whidborne, James F."

Browsing PhD and Masters by research theses (SoE) by Author "Whidborne, James F."

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  • Active Aerodynamic Control of Heavy Goods Vehicles 
    Barden, Jason (Cranfield University, 2013-04)
    Most heavy goods vehicles in service today are fitted with add-on aerodynamic devices. The most common of which is the cab-mounted roof deflector. Such devices provide appreciable drag savings, however, they are often ...
  • Collision avoidance systems for UAS operating in civil airspace 
    Alturbeh, Hamid (Cranfield University, 2014-11)
    Operation of Unmanned Aerial Vehicles (UAVs) in civil airspace is restricted by the aviation authorities which require full compliance with regulations that apply for manned aircraft. This thesis proposes control algorithms ...
  • Control of plane poiseuille flow: a theoretical and computational investigation 
    McKernan, John (Cranfield University, 2006-04)
    Control of the transition of laminar flow to turbulence would result in lower drag and reduced energy consumption in many engineering applications. A spectral state-space model of linearised plane Poiseuille flow with wall ...
  • Control system development for autonomous soaring 
    Akhtar, Naseem (Cranfield University, 2010-01)
    Thermal and dynamic soaring are two techniques commonly used by birds to extract energy from the atmosphere. This enables them to reduce, energy used during flight and increases their endurance. The thermal soaring ...
  • A fault Hiding Approach for Fault Tolerant Control of a Class of VTOL Vehicles 
    Marks, Aryeh (Cranfield University, 2015-02)
    The octorotor is an unmanned VTOL capable vehicle with eight motors with xed pitch rotors. It is controlled by varying the speeds of its eight motors which are placed around the vehicle. There is no need for a complex ...
  • Gain scheduling for a passenger aircraft control system to satisfy handling qualities 
    Guo, Wei (Cranfield University, 2010-12)
    This thesis considers the problem of designing gain scheduled flight control system (FCS) for large transport aircraft that satisfy handling qualities criteria. The goal is to design a set of local Linear Time Invariant ...
  • Longitudinal control laws design for a flying wing aircraft 
    Zhu, Yan. (Cranfield University, 2012-02)
    This research is concerned with the flight dynamic, pitch flight control and flying qualities assessment for the reference BWB aircraft. It aims to develop the longitudinal control laws which could satisfy the flying and ...
  • Model simulation suitable for an aircraft at high angle of attack 
    Mohmad Rouyan, Nurhana (Cranfield University, 2016-01)
    Simulation of a dynamic system is known to be sensitive to various factors and one of them could be the precision of model parameters. While the sensitivity of flight dynamic simulation to small changes in aerodynamic ...
  • Multidisciplinary design optimisation for aircraft wing mass estimation 
    Dababneh, Odeh (Cranfield University, 2016-04)
    The implementation of key technologies in the initial stages of the aircraft wing design process has always represented a substantial challenge for aircraft designers. The lack of reliable and accessible wing mass prediction ...
  • A Novel Collision Avoidance Logic for Unmanned Aerial Vehicles Using Real-Time Trajectory Planning 
    Lai, Chi Kin (Cranfield University, 2014-10)
    An effective collision avoidance logic should prevent collision without excessive alerting. This requirement would be even more stringent for an automatic collision avoidance logic, which is probably required by ...
  • Propulsion and flight controls integration for the blended wing body aircraft 
    Ur Rahman, Naveed (Cranfield University, 2009-05)
    The Blended Wing Body (BWB) aircraft offers a number of aerodynamic perfor- mance advantages when compared with conventional configurations. However, while operating at low airspeeds with nominal static margins, the ...
  • Road vehicle state estimation using low-cost GPS/INS 
    Tin Leung, King (Cranfield University, 2010-04-12)
    Due to noise and bias in the Inertial Navigation System (INS), vehicle dynamics measurements using the INS are inaccurate. Although alternative methods involving the integration of INS with accurate Global Positioning ...
  • Robust gain-scheduled H [infinity] control for unmanned aerial vehicles 
    Chumalee, Sunan (Cranfield University, 2010-06)
    This thesis considers the problem of the design of robust gain-scheduled ight controllers for conventional xed-wing unmanned aerial vehicles (UAVs). The design approaches employ a linear parameter-varying (LPV) control ...
  • Towards Autonomy of a Quadrotor UAV 
    Cowling, Ian (Cranfield University, 2008-10)
    As the potential of unmanned aerial vehicles rapidly increases, there is a growing interest in rotary vehicles as well as fixed wing. The quadrotor is small agile rotary vehicle controlled by variable speed prop rotors. ...
  • Wake Vortex Modelling and Simulation for Air Vehicles in Close Formation Flight 
    Saban, Deborah (Cranfield University, 2010-01)
    The aim of this research is to develop realistic models of aerodynamic cross-coupling e ects that can be incorporated in real-time or near real-time simulations of Unmanned Aerial Vehicles (UAVs) in close formation flight. ...

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