Browsing by Author "Whidborne, James F."

Browsing by Author "Whidborne, James F."

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  • 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 ...
  • Gain-scheduled H-infinity control for tensor product type polytopic plants 
    Chumalee, Sunan; Whidborne, James F. (Wiley, 2014-07-23)
    A tensor product (TP) model transformation is a recently proposed technique for transforming a given linear parameter-varying (LPV) model into polytopic model form, for which there are many methods that can be used for ...
  • Gain-scheduled H∞ control via parameter-dependent Lyapunov functions 
    Chumalee, Sunan; Whidborne, James F. (Taylor & Francis, 2013-03-08)
    Synthesising a gain-scheduled output feedback H∞ controller via parameter-dependent Lyapunov functions for linear parameter-varying (LPV) plant models involves solving an infinite number of linear matrix inequalities (LMIs). ...
  • Gas-liquid flow regimes identification using non-intrusive Doppler ultrasonic sensor and convolutional recurrent neural networks in an S-shaped riser 
    Kuang, Boyu; Nnabuife, Somtochukwu Godfrey; Sun, Shuang; Whidborne, James F.; Rana, Zeeshan A. (Elsevier, 2022-01-19)
    The problem of gas-liquid (two-phase) flow regime identification in an S-shaped riser using an ultrasonic sensor and convolutional recurrent neural networks (CRNN) is addressed. This research systematically evaluates three ...
  • A global-local meta-modelling technique for model updating 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Zanotti Fragonara, Luca (Elsevier, 2023-10-09)
    The finite element model updating procedure of large or complex structures is challenging for engineering practitioners and researchers. Iterative methods, such as genetic algorithms and response surface models, have a ...
  • Ground vibration testing of a flexible wing: a benchmark and case study 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Pontillo, Alessandro; Zanotti Fragonara, Luca (MDPI, 2022-08-10)
    Beam-like flexible structures are of interest in many fields of engineering, particularly aeronautics, where wings are frequently modelled and represented as such. Experimental modal analysis is commonly used to characterise ...
  • Ground vibration testing of a high aspect ratio wing with revolving clamp 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Pontillo, Alessandro; Zanotti Fragonara, Luca (ICAS, 2022-11-28)
    The advancements in the aeronautical industry and research on materials and manufacturing methods in the last 70 years have been shifting the paradigm of wing design to high aspect ratio flexible wings. These wings can ...
  • Gust rejection properties of VTOL multirotor aircraft 
    Whidborne, James F.; Cooke, Alastair K. (Elsevier, 2018-01-11)
    The effect of rotor aerodynamics on the stability and control of multi-rotor aircraft is explored by analysis of a conceptual planar birotor aircraft. In particular, the effect of rotor tilt on the stability and zero-location ...
  • High aspect ratio wings on commercial aircraft: a numerical and experimental approach 
    Pontillo, Alessandro (Cranfield UniversitySATM, 2019-12-20)
    The aim of this work is to assess the aeroelastic response to gust of a flexible high aspect ratio wing (HARW) single-aisle commercial aircraft and to design a viable open-loop Gust Load Alleviation (GLA) system. ...
  • High input voltage high frequency class E rectifiers for resonant inductive links 
    Aldhaher, Samer; Luk, Patrick Chi-Kwong; El Khamlichi Drissi, Khalil; Whidborne, James F. (IEEE, 2014-04-08)
    The operation of traditional rectifiers such as half-wave and bridge rectifiers in wireless power transfer applications may be inefficient and can reduce the amount of power that is delivered to a load. An alternative is to ...
  • Identification of flexible structures dynamics. 
    Dessena, Gabriele (Cranfield UniversitySATM, 2023-04)
    The pursuit of aerodynamic efficiency and the advances in materials technology, particularly in composite material, has contributed to shifting the paradigm of wing design to high aspect ratio wings. Increasing the span, ...
  • Injectable venturi for slug control. 
    Inok, Joseph Otu (Cranfield UniversitySWEE, 2019-08)
    Severe slugging is a cyclic flow regime which causes intermittent delivery of oil and gas, which could lead to flow separator flooding, production reduction, platform trips and plant shutdown. The large and rapid variation ...
  • Kolmogorov-Chaitin complexity of digital controller implementations. 
    Whidborne, James F.; McKernan, John; Gu, Da-Wei (Springer Science Business Media, 2006-07-01)
    The complexity of linear, fixed-point arithmetic digital controllers is investigated from a Kolmogorov-Chaitin perspective. Based on the idea of Kolmogorov-Chaitin complexity, practical measures of complexity are ...
  • A Kriging approach to model updating for damage detection 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Zanotti Fragonara, Luca (Springer, 2022-06-16)
    For complex or large structures, the model updating process can be long and tedious and numerical methods can be computationally expensive. Hence, practitioners and researchers often resort to meta-modelling techniques ...
  • L1 adaptive fault‑tolerant control of stratospheric airships 
    Souanef, Toufik; Whidborne, James F.; Liu, Shi Qian (Springer, 2024-03-26)
    As the utilization of stratospheric airships becomes more prevalent, ensuring their safe operation becomes crucial. This paper explores the ability of an L1 adaptive controller to maintain fault tolerance in the actuators ...
  • Linear feedback control of transient energy growth and control performance limitations in subcritical plane Poiseuille flow 
    Martinelli, F.; Quadrio, M.; McKernan, John; Whidborne, James F. (2011-01-31)
    Suppression of the transient energy growth in subcritical plane Poiseuille flow via feedback control is addressed. It is assumed that the time derivative of any of the velocity components can be imposed at the walls as ...
  • Linear quadratic control of plane Poiseuille flow-the transient behaviour. 
    McKernan, John; Whidborne, James F.; Papadakis, George (Taylor and Francis, 2007-12)
    This paper describes the design of optimal linear quadratic controllers for single wavenumber-pair periodic 2-D disturbances in plane Poiseuille flow, and subsequent verification using a finite-volume full Navier-Stokes ...
  • A linear state-space representation of plane Poiseuille flow for control design: a tutorial. 
    McKernan, John; Papadakis, George; Whidborne, James F. (Inderscience Publishers, 2006-01-01)
    A method for the incorporation of wall transpiration into a model of lin- earised plane Poiseuille °ow is presented, with the aim of producing a state- space model suitable for the development of feedback control of ...
  • A Loewner-based system identification and structural health monitoring approach for mechanical systems 
    Dessena, Gabriele; Civera, Marco; Zanotti Fragonara, Luca; Ignatyev, Dmitry; Whidborne, James F. (Wiley, 2023-04-18)
    Data-driven structural health monitoring (SHM) requires precise estimates of the target system behaviour. In this sense, SHM by means of modal parameters is strictly linked to system identifcation (SI). However, existing ...
  • 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 ...