Robust output tracking control of Van der Pol oscillator is an important practical problem from an application point of view. An output feedback based robust tracking control strategy is proposed in this work for that purpose. First, a High-Order Sliding-Mode (HOSM) differentiator is used to estimate the oscillator states from the measurable output. Then, the Continuous Singular Terminal Sliding Mode (CSTSM) algorithm is used as a robust tracking controller based on the estimated states. Through numerical simulation, it is shown that the proposed control strategy outperforms a passivity based robust nonlinear tracking controller. Finally, experimental validations are also provided to show the feasibility of the proposed control in real-time.
|Title of host publication||American Control Conference (ACC-2018)|
|Publication status||Published - 16 Aug 2018|
|Event||2018 Annual American Control Conference - Milwaukee, WI, United States|
Duration: 27 Jun 2018 → 29 Jun 2018
|Conference||2018 Annual American Control Conference|
|Period||27/06/18 → 29/06/18|
Ahmed, H., Ríos, H., Ayalew, B., & Wang, Y. (2018). Robust output tracking control for Van der Pol oscillator: A sliding-mode differentiator approach. In American Control Conference (ACC-2018) (pp. 5350-5355). IEEE. https://doi.org/10.23919/ACC.2018.8431778