1. Dynamic modelling and optimal control of a twin rotor MIMO system;Ahmad,2000
2. Nonlinear modelling of a twin rotor MIMO system using radial basis function networks;Ahmad,2000
3. Dynamic modelling of a twin rotor system in hovering position;Aldebrez,2004
4. Nonlinear modelling and control of helicopters;Avila-Vilchis;Automatica,2003
5. Correlation based model validity tests for non-linear models;Billings;International Journal of Control,1986