Publications
2015
Condition-based flight control for helicopters: An extension to condition-based maintenance
Voskuijl, M., van Tooren, M. J. L., & Walker, D. J. (2015). Condition-based flight control for helicopters: An extension to condition-based maintenance. AEROSPACE SCIENCE AND TECHNOLOGY, 42, 322-333. doi:10.1016/j.ast.2015.01.026
2010
Simulation of automatic helicopter deck landings using nature inspired flight control
Voskuijl, M., Padfield, G. D., Walker, D. J., Manimala, B. J., & Gubbels, A. W. (2010). Simulation of automatic helicopter deck landings using nature inspired flight control. The Aeronautical Journal, 114(1151), 25-34. doi:10.1017/s000192400000350x
2009
Design of Longitudinal SCAS for Tilt Rotor Aircraft based on H-infinity
Yoo, C., Lee, J., & Walker, D. J. (2009). Design of Longitudinal SCAS for Tilt Rotor Aircraft based on H-infinity. In Autumn Conference 2009 (pp. n/a). Jeju Island: KSAS.
2008
Helicopter load alleviation using active control
Voskuijl, M., Walker, D. J., & Manimala, B. J. (2008). Helicopter load alleviation using active control. The Aeronautical Journal, 112(1137), 663-672. doi:10.1017/s0001924000002633
Design of Longitudinal SCAS for Tilt Rotor Aircraft based on H-infinity
Yoo, C., Lee, J., & Walker, D. (2008). Design of Longitudinal SCAS for Tilt Rotor Aircraft based on H-infinity. In Korean Society of Aeronautical and Space Sciences (pp. 1-4). Jeju Island: KSAS.
Nonlinear Attitude Control Laws for the Bell 412 Helicopter
Walker, D. J., Voskuijl, M., Manimala, B. J., & Gubbels, A. W. (2008). Nonlinear Attitude Control Laws for the Bell 412 Helicopter. Journal of Guidance, Control, and Dynamics, 31(1), 44-52. doi:10.2514/1.28945
2007
Rotorcraft simulation modelling and validation for control law design
Manimala, B. J., Walker, D. J., Padfield, G. D., Voskuijl, M., & Gubbels, A. W. (2007). Rotorcraft simulation modelling and validation for control law design. The Aeronautical Journal, 111(1116), 77-88. doi:10.1017/s0001924000001780
'Longitudinal Stability and Control of a Large Tilt Rotor Aircraft'
Walker, D. J., & Perfect, P. (2007). 'Longitudinal Stability and Control of a Large Tilt Rotor Aircraft'. In 17th IFAC Symposium on Automatic Control in Aerospace (pp. 1-6). Toulouse: International Federation of Automatic Control.
2006
Flight test of a nonlinear control law on the Bell 412 advanced systems research aircraft
Walker, D. J., Voskuijl, M., Manimala, B. J., & Gubbels, A. W. (2006). Flight test of a nonlinear control law on the Bell 412 advanced systems research aircraft. In 32nd European Rotorcraft Forum (pp. FM06). Maastricht: Royal Aeronautical Society.
Load Alleviation for Tilt Rotor Aircraft in Airplane Mode, Journal of Aircraft
Manimala, B., Padfield, G. D., & Walker, D. J. (2006). Load Alleviation for Tilt Rotor Aircraft in Airplane Mode, Journal of Aircraft. Journal of Aircraft, 43(1), 147-156.
Low speed control of tilt-rotor aircraft using H-infinity
Walker, D. J., Voskuijl, M., & Manimala, B. J. (2006). Low speed control of tilt-rotor aircraft using H-infinity. In 32nd European Rotorcraft Forum (pp. FM04). Maastricht: Royal Aeronautical Society.
The Modelling Simulation and Control of Helicopters Operating With External Loads
Kendrick, S., & Walker, D. J. (2006). The Modelling Simulation and Control of Helicopters Operating With External Loads. In AHS International 62nd Annual Forum (pp. na). Phoenix: AHS International.
2005
First steps towards the design of an active pitch link loads reduction system using novel control techniques
Voskuijl, M., Walker, D. J., & Manimala, B. J. (2005). First steps towards the design of an active pitch link loads reduction system using novel control techniques. In 31st European Rotorcraft Forum (pp. na). Florence: Royal Aeronautical Society.
Helicopter Flight Control Law Design Using H>inf<∞>/inf<Techniques
Kureeemun, R., Walker, D. J., Manimala, B., & Voskuijl, M. (n.d.). Helicopter Flight Control Law Design Using H>inf<∞>/inf<Techniques. In Proceedings of the 44th IEEE Conference on Decision and Control (pp. 1307-1312). IEEE. doi:10.1109/cdc.2005.1582339
Rotorcraft modelling for controller design and loads prediction
Manimala, B. J., Walker, D. J., & Padfield., G. D. (2005). Rotorcraft modelling for controller design and loads prediction. In 31st European Rotorcraft Forum (pp. na). Florence: Royal Aeronautical Society.
Synthesis and analysis of a multi-objective controller for tilt-rotor structural load alleviation
Manimala, B., Padfield, G. D., Walker, D., & Childs, S. (2005). Synthesis and analysis of a multi-objective controller for tilt-rotor structural load alleviation. Belfast.
2004
Load alleviation in tilt rotor aircraft through active control; modelling and control concepts
Manimala, B., Padfield, G. D., Walker, D., Naddei, M., Verde, L., Ciniglio, U., . . . Sandri, F. (2004). Load alleviation in tilt rotor aircraft through active control; modelling and control concepts. The Aeronautical Journal, 108(1082), 169-184. doi:10.1017/s0001924000000087
2003
Multivariable control of the longitudinal and lateral dynamics of a fly-by-wire helicopter
Walker, D. J. (2003). Multivariable control of the longitudinal and lateral dynamics of a fly-by-wire helicopter. Control Engineering Practice, 11(7), 781-795. doi:10.1016/s0967-0661(02)00189-2
2001
H∞ control of gasification plant
Walker, D. J. (2001). H∞ control of gasification plant. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 215(3), 235-243. doi:10.1243/0959651011541012
Evaluating H∞ controllers on the NRC Bell 205 fly-by-wire helicopter
Smerlas, A. J., Walker, D. J., Postlethwaite, I., Strange, M. E., Howitt, J., & Gubbels, A. W. (2001). Evaluating H∞ controllers on the NRC Bell 205 fly-by-wire helicopter. Control Engineering Practice, 9(1), 1-10. doi:10.1016/s0967-0661(00)00088-5