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Bobtsov, A., Ortega, R., Yi, B., & Nikolaev, N. (2022). Adaptive state estimation of state-affine systems with unknown time-varying parameters. International Journal of Control, 95(9), 2460-2472. External link
Bobtsov, A., Yi, B., Ortega, R., & Astolfi, A. (2022). Generation of New Exciting Regressors for Consistent Online Estimation of Unknown Constant Parameters. IEEE Transactions on Automatic Control, 67(9), 4746-4753. External link
Ortega, R., Yi, B., Bobtsov, A., Pyrkin, A. A., & Sinetova, M. (2025). Adaptive state observers for a class of nonlinear systems: The non-triangular and non-state-affine case. Systems & Control Letters, 196, 106020 (7 pages). External link
Ortega, R., Yi, B., Vukosavić, S., Nam, K., & Choi, J. (2021). A globally exponentially stable position observer for interior permanent magnet synchronous motors. Automatica, 125, 10-10. External link
Ortega, R., Yi, B., Romero, J. G., & Astolfi, A. (2020). Orbital stabilization of nonlinear systems via the immersion and invariance technique. International Journal of Robust and Nonlinear Control, 30(5), 1850-1871. External link
Ortega, R., Yi, B., & Romero, J. G. (2020). Robustification of nonlinear control systems vis-à-vis actuator dynamics: An immersion and invariance approach. Systems & Control Letters, 146, 9-9. External link
Wang, L., Ortega, R., Bobtsov, A., Romero, J. G., & Yi, B. (2023). Identifiability implies robust, globally exponentially convergent on-line parameter estimation. International Journal of Control, 17 pages. External link
Yi, B., Ortega, R., Choi, J.-W., & Nam, K. (2025). A high performance globally exponentially convergent sensorless observer for the IPMSM: Theoretical and experimental results. Automatica, 174, 112138-112138. External link
Yi, B., & Ortega, R. (2023). Conditions for Convergence of Dynamic Regressor Extension and Mixing Parameter Estimators Using LTI Filters. IEEE Transactions on Automatic Control, 68(2), 1253-1258. External link
Yi, B., Ortega, R., Choi, J., & Nam, K. (2023, July). A Novel Globally Exponentially Stable Observer for Sensorless Control of the IPMSM via Kreisselmeier's Extension [Paper]. 22nd IFAC World Congress, Yokohama, Japan. External link
Yi, B., Vukosavić, S. N., Ortega, R., Stanković, A. M., & Zhang, W. (2020). A new signal injection-based method for estimation of position in interior permanent magnet synchronous motors. IET Power Electronics, 13(9), 1865-1874. External link
Yi, B., Ortega, R., Siguerdidjane, H., Machado, J. E., & Zhang, W. (2020). On generation of virtual outputs via signal injection: Application to observer design for electromechanical systems. European Journal of Control, 54, 129-139. External link
Yi, B., Ortega, R., Wu, D., & Zhang, W. (2020). Orbital stabilization of nonlinear systems via Mexican sombrero energy shaping and pumping-and-damping injection. Automatica, 112, 108661-108661. External link
Yi, B., Ortega, R., Manchester, I. R., & Siguerdidjane, H. (2020). Path following of a class of underactuated mechanical systems via immersion and invariance-based orbital stabilization. International Journal of Robust and Nonlinear Control, 30(18), 8521-8544. External link
Yi, B., Ortega, R., & Zhang, W. (2020). Smooth, time-invariant regulation of nonholonomic systems via energy pumping-and-damping. International Journal of Robust and Nonlinear Control, 30(16), 6399-6413. External link
Yi, B., Vukosavić, S. N., Ortega, R., Stanković, A. M., & Zhang, W. (2019, August). A Frequency Domain Interpretation of Signal Injection Methods for Salient PMSMs [Paper]. IEEE Conference on Control Technology and Applications (CCTA), Hong Kong, China. External link
Yi, B., Ortega, R., & Zhang, W. (2019, September). Regulation of nonholonomic systems: A smooth, time-invariant approach [Paper]. Joint 8th IFAC Symposium on Mechatronic Systems and 11th IFAC Symposium on Nonlinear Control Systems,, Vienna, Austria. External link
Yi, B., Ortega, R., Wu, D., & Zhang, W. (2019, December). Two Constructive Solutions to Orbital Stabilization of Nonlinear Systems via Passivity-based Control [Paper]. 58th IEEE Conference on Decision and Control (CDC), Nice, France. External link
Yi, B., Ortega, R., Siguerdidjane, H., & Zhang, W. An Adaptive Observer for Sensorless Control of the Levitated Ball Using Signal Injection [Paper]. IEEE Conference on Decision and Control (CDC), Miami, FL, USA. External link
Zonetti, D., Yi, B., Aranovskiy, S., Efimov, D., Ortega, R., & Garcia-Quismondo, E. (2018, December). On Physical Modeling of Lithium-Ion Cells and Adaptive Estimation of their State-of-Charge [Paper]. IEEE Conference on Decision and Control (CDC), Miami, FL, USA. External link
