On modified parameter estimators for identification and adaptive control. A unified framework and some new schemes
R Ortega, V Nikiforov, D Gerasimov - Annual Reviews in Control, 2020 - Elsevier
A key assumption in the development of system identification and adaptive control schemes
is the availability of a regression model which is linear in the unknown parameters (of the …
is the availability of a regression model which is linear in the unknown parameters (of the …
[HTML][HTML] Data-driven simultaneous identification of the 6DOF dynamic model and wave load for a ship in waves
In marine operations, the performance of model-based automatic control design and
decision support systems highly relies on the accuracy of the representative mathematical …
decision support systems highly relies on the accuracy of the representative mathematical …
A reduced-order adaptive state observer for DC–DC converters with unknown constant power load
In this paper, main objective is to develop a reduced-order adaptive state observer (RASO)
for a large class of DC–DC converters with constant power load (CPL) to estimate their …
for a large class of DC–DC converters with constant power load (CPL) to estimate their …
New results on parameter estimation via dynamic regressor extension and mixing: Continuous and discrete-time cases
We present some new results on the dynamic regressor extension and mixing parameter
estimators for linear regression models recently proposed in the literature. This technique …
estimators for linear regression models recently proposed in the literature. This technique …
Online estimation of power system inertia using dynamic regressor extension and mixing
The increasing penetration of power-electronic-interfaced devices is expected to have a
significant effect on the overall system inertia and a crucial impact on the system dynamics …
significant effect on the overall system inertia and a crucial impact on the system dynamics …
Generalized parameter estimation-based observers: Application to power systems and chemical–biological reactors
In this paper we propose a new state observer design technique for nonlinear systems. It
consists of an extension of the recently introduced parameter estimation-based observer …
consists of an extension of the recently introduced parameter estimation-based observer …
On preserving-excitation properties of kreisselmeier's regressor extension scheme
S Aranovskiy, R Ushirobira, M Korotina… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, we consider the excitation preservation problem of Kreisselmeier's regressor
extension scheme. We analyze this problem within the context of the dynamic regressor …
extension scheme. We analyze this problem within the context of the dynamic regressor …
Conditions for convergence of dynamic regressor extension and mixing parameter estimators using LTI filters
In this article, we study the conditions for convergence of the recently introduced dynamic
regressor extension and mixing (DREM) parameter estimator when the extended regressor …
regressor extension and mixing (DREM) parameter estimator when the extended regressor …
Adaptive control of linear multivariable systems using dynamic regressor extension and mixing estimators: Removing the high-frequency gain assumptions
R Ortega, DN Gerasimov, NE Barabanov, VO Nikiforov - Automatica, 2019 - Elsevier
In this paper it is shown that, using the recently introduced dynamic regressor extension and
mixing parameter estimation technique, it is possible to remove the key assumption of prior …
mixing parameter estimation technique, it is possible to remove the key assumption of prior …
Modeling, simulation and experimental validation of flow rate of electro-hydraulic hitch control valve of agricultural tractor
Advances in non-linear control theory have made it possible to develop controllers for non-
linear dynamic systems in their nature. The low-cost proportional control valves of the …
linear dynamic systems in their nature. The low-cost proportional control valves of the …