Browsing by Author "Purdy, David J."

Browsing by Author "Purdy, David J."

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  • Compensation of low performance steering system using torque vectoring 
    Awan, M. A. (2014-11-07)
    In this work torque vectoring methods are used to compensate for a low performance steer-by-wire system. Currently a number of vehicle manufacturers are considering introducing steer-by-wire into their range of vehicles. ...
  • Experimental investigation of the nonlinear dynamic behaviour of bolted lap joints 
    Lancereau, Damien Paul Thibaut (2019-04)
    The physics behind the vibration of joints is currently unknown and therefore unpredictable. Consequently in sensitive structures, like aircraft or turbines, prototype testing is necessary to evaluate the dynamic behaviour ...
  • Intelligent based terrain preview controller for a 3-axle vehicle 
    Economou, John T.; Purdy, David J.; Galvão Wall, David; Diskett, D.; Simner, D. (AVEC 16, 2016-09-16)
    The paper presents a six-wheel half longitudinal model and the design of a dual level control architecture. The first (top) level is designed using a Sugeno fuzzy inference feedforward architecture with and without preview. ...
  • Modelling and design of a dual channel magnetorheological damper 
    Bhatnagar, R. (2013-10-08)
    A limitation with the current analytical models for predicting the performance of a magnetorheological (MR) damper is that they fail to capture the hysteretic variation of force versus velocity variation correctly. This ...
  • Optimal control of motorsport differentials 
    Tremlett, Anthony J.; Massaro, M.; Purdy, David J.; Velenis, Efstathios; Francis, Assadian; Moore, A. P.; Halley, M. (Taylor and Francis, 2015-10-15)
    Modern motorsport limited slip differentials (LSD) have evolved to become highly adjustable, allowing the torque bias that they generate to be tuned in the corner entry, apex and corner exit phases of typical on-track ...
  • Parameter estimation for non-linear systems: an application to vehicle dynamics 
    Pedchote, C. (Engineering Systems Department, 2009-10-28)
    This work presents an investigation into the parameter estimation of suspension components and the vertical motions of wheeled vehicles from experimental data. The estimation problems considered were for suspension ...
  • 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 ...
  • Road vehicle state estimation using low-cost GPS/INS 
    Tin Leung, King; Whidborne, James F.; Purdy, David J.; Barber, Phil (Elsevier Science B.V., Amsterdam, 2011-08-01)
    Assuming known vehicle parameters, this paper proposes an innovative integrated Kalman filter (IKF) scheme to estimate vehicle dynamics, in particular the sideslip, the heading and the longitudinal velocity. The IKF is ...