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Disturbances and uncertainties make very difficult the control of Unmanned Aerial Vehicles (UAV). The problem is even worse, if delays are involved in the process. The uncertainty and disturbance estimator (UDE) is a technique based on the idea that the unknown dynamics and disturbances of a system can be accurately approximated by passing them through a filter with the appropriate bandwidth. This...
Aiming at ball and beam system-a typical nonlinear control plant, establish its affine nonlinear model, based on the nonlinear model predictive control method, some amelioration is made, combined with the networked predictive control scheme, a networked nonlinear model predictive control method is introduced, which can compensate the network induced time delay and the packet loss, and used in the...
A novel kind of combined integrating systems is studied. Combined integrating systems exist in industry extensively but no attention has paid for this kind of systems. New controller named as anti-delay quasi-PI controller is introduced based on time delay compensation. The superiorities of the new control method over traditional control method are simple to design, easy to tuning, fast to step response...
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