Commande par backstepping pdf
A type of aircraft that is currently being very reference in the area of control is the quadrotor helicopter, compared to other UAV's (Unmanned Aerial Vehicles UAV's-) has been of great interest for the research groups. Serial robots are recently one of the most effective methods to realize several industrial applications including precision positioning and inspection tasks. A Linear Active Disturbance Rejection Control applied for DFIG based Wind Energy Conversion System. Malisoff, Backstepping Design for Output Feedback Stabilization for a Class of Uncertain Systems, Systems and Control Letters, Vol. The control mechanism (52) is positioned on a control lever (42) that is mounted on the steering wheel (12) for relative rotation with respect thereto. The purpose is to evaluate SMC and BSC performances, taking into account the model uncertainties.
In this paper, a fault tolerant control for induction motors based on backstepping strategy is designed. The proposed approach permits to compensate both the rotor resistance variations and the load torque disturbance. In control systems, sliding mode control (SMC) is a nonlinear control method that alters the dynamics of a nonlinear system by application of a discontinuous control signal (or more rigorously, a set-valued control signal) that forces the system to "slide" along a cross-section of the system's normal behavior. They can provide a large working envelope, access to restricted areas, operations in hazardous environments, and precision works with high degree of reliability. Moreover, to avoid the use of speed and flux sensors, a second order sliding mode observer is used to estimate the flux and the speed. Furthermore, the simulation under the MATLAB/Simulink software allows the highlighting performance of the control strategy adopted.
The state-feedback control law is not a continuous function of time.
Nait said: Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), 2014 International Symposium on 18-20 June 2014. Moreover, to avoid the use of speed and ux sensors, a second order sliding mode observer is used to estimate the ux and the speed. Then, the obtained results of MSMC technique are compared with those of the adaptive sliding mode.
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