Sensorless Output Feedback Control for Induction Motor

  • Alain GlumineauEmail author
  • Jesús de León Morales
Part of the Advances in Industrial Control book series (AIC)


In this chapter, the IM sensorless control problem is considered, where observer-control schemes are combinations of the observers designed in Chap.  3, with the control strategies proposed in Chap.  5. These observer-controller schemes take into account that the mechanical variables are not measurable (rotor position, rotor speed, and load torque), and only the currents and the voltages are available by measurement. For the induction motor, first an observer-controller scheme is constituted by combining an adaptive interconnected observer with a backstepping controller. The observer is designed to estimate the rotor speed, the fluxes, the load torque, and simultaneously to identify a sensitive parameter: the rotor resistance. The controller is designed to track the reference trajectories of the rotor speed and of the flux modulus. Finally, an observer-controller constituted by an adaptive interconnected observer combined with a high order sliding mode controller is designed. Sufficient conditions are given to ensure the stability of the closed-loop system. Furthermore, the tracking errors convergence of these schemes is analyzed in presence of parametric uncertainties, and a strong uniform practical stability condition is obtained. All these control strategies are experimentally tested on a motor setup using the control benchmark trajectories introduced in Chap. 1 (Sect.  1.6), with parametric uncertainties robustness tests and a non-measured load torque. For all the cases, the Field-Oriented Control (FOC) strategy will be the basis of the control algorithms.


Tracking Error Induction Motor Trajectory Tracking Load Torque Rotor Resistance 
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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.IRCCyN/Ecole Centrale de NantesThe University of Nantes Angers Le MansNantesFrance
  2. 2.Facultad de Ingeniería Mecánica y EléctricaUniversidad Autónoma de Nuevo LeónNuevo LeónMexico

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