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   Articles with "adaptive observer" as a keyword



Adaptive Observer for State and Load Force Estimation for Dielectric Electro-Active Polymer Actuator

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recommendations! Published in 2019 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2019.12.002

Abstract: Abstract This paper presents a nonlinear electric circuit model of the circular DEAP membrane actuator model coupled with a viscoelastic mechanical phenomena. A parameters of the model are found by parameter identification process and then… read more here.

Keywords: observer state; observer; adaptive observer; actuator ... See more keywords

Adaptive observer-based fault detection and active tolerant control for unmanned aerial vehicles attitude system

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recommendations! Published in 2019 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2019.12.379

Abstract: Abstract A robust adaptive observer combined with radial basis function neural network (RBFNN) is designed for the unmanned aerial vehicles (UAVs) fault-detection system is proposed in this paper. Firstly, the fault dynamics model with unknown… read more here.

Keywords: fault; system; fault detection; unmanned aerial ... See more keywords

Regularized Adaptive Observer to Address Deficient Excitation

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recommendations! Published in 2019 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2019.12.658

Abstract: Abstract Adaptive observers are recursive algorithms for joint estimation of both state variables and unknown parameters. Usually some persistent excitation (PE) condition is required for the convergence of adaptive observers. However, in practice, it may… read more here.

Keywords: regularized adaptive; ill posed; observer address; excitation ... See more keywords

Finite-dimensional adaptive observer design for linear parabolic systems with delayed measurements

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recommendations! Published in 2025 at "International Journal of Control"

DOI: 10.1080/00207179.2025.2460035

Abstract: New finite-dimensional adaptive observers are proposed for uncertain heat equation and a class of linear Kuramoto–Sivashinsky equation (KSE) with local output. The observers are based on the modal decomposition approach and use a classical persistent… read more here.

Keywords: finite dimensional; adaptive observer; observer design; linear parabolic ... See more keywords

A robust adaptive observer for a class of singular nonlinear uncertain systems

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recommendations! Published in 2017 at "International Journal of Systems Science"

DOI: 10.1080/00207721.2016.1261198

Abstract: ABSTRACT This paper proposes a robust adaptive observer for a class of singular nonlinear non-autonomous uncertain systems with unstructured unknown system and derivative matrices, and unknown bounded nonlinearities. Unlike many existing observers, no strong assumption… read more here.

Keywords: robust adaptive; observer class; observer; singular nonlinear ... See more keywords

Reduced-order adaptive observer for rectangular descriptor systems with incremental quadratic constraints

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recommendations! Published in 2025 at "International Journal of Systems Science"

DOI: 10.1080/00207721.2025.2514590

Abstract: This paper investigates the challenge of reduced-order adaptive observer design for nonlinear rectangular descriptor systems. Nonlinearities satisfying incremental quadratic constraints are explored that cover Lipschitz, one-sided Lipschitz, monotone, and many other nonlinearities. The complexity of… read more here.

Keywords: rectangular descriptor; reduced order; incremental quadratic; descriptor systems ... See more keywords

Adaptive observer-based control for an IPMC actuator under varying humidity conditions

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recommendations! Published in 2018 at "Smart Materials and Structures"

DOI: 10.1088/1361-665x/aab56e

Abstract: As ionic polymer metal composites (IPMC) are increasingly applied to mechatronic systems, many new IPMC modeling efforts have been reported in the literature. The demands of rapidly growing technology has generated interest in advancing the… read more here.

Keywords: control; content; observer based; humidity ... See more keywords

State-of-Charge Estimation Using an EKF-Based Adaptive Observer

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recommendations! Published in 2019 at "IEEE Transactions on Control Systems Technology"

DOI: 10.1109/tcst.2018.2842038

Abstract: Lithium-ion batteries are used to store energy in electric vehicles. State of charge (SOC) is an important quantity of the battery cells that need to be estimated using limited measurements. In this paper, SOC estimation… read more here.

Keywords: state charge; based adaptive; adaptive observer; model ... See more keywords

Battery Adaptive Observer for a Single-Particle Model With Intercalation-Induced Stress

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recommendations! Published in 2020 at "IEEE Transactions on Control Systems Technology"

DOI: 10.1109/tcst.2019.2910797

Abstract: Battery electrode particle fracture due to stress generation is a critical mechanism causing capacity fade, and thus reducing battery life. This paper develops a nonlinear adaptive observer for lithium-ion battery state of charge (SOC), electrode… read more here.

Keywords: single particle; battery; adaptive observer; model ... See more keywords

Adaptive Observer and Parameter Estimation for a Series Elastic Actuator System

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recommendations! Published in 2025 at "IEEE Transactions on Control Systems Technology"

DOI: 10.1109/tcst.2025.3529358

Abstract: The series elastic actuator (SEA) has been widely used in the exoskeletons. However, its mathematical model contains both unknown parameters and states, which need to be jointly estimated online via the measurable input and output.… read more here.

Keywords: series elastic; parameter estimation; adaptive observer; elastic actuator ... See more keywords

Reduced-Order Adaptive Observer With Asymptotic Stability for Sensorless Control of SPMSM

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recommendations! Published in 2025 at "IEEE Transactions on Power Electronics"

DOI: 10.1109/tpel.2024.3466910

Abstract: The design of the back electromotive force (EMF) observer is important in sensorless speed control of surface-mounted permanent magnet synchronous motors. However, many existing back EMF observers are coupled with the phase-locked loop (PLL), which… read more here.

Keywords: reduced order; control; order adaptive; asymptotic stability ... See more keywords