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Robust Decoupling Control Based on Linear Extended State Observers for Grid-Forming Inverter
2024 IEEE 34th Australasian Universities Power Engineering Conference (AUPEC)Grid-forming inverters (GFMIs) based on virtual synchronous generators (VSGs) have emerged as a promising solution for providing inertia and enhancing renewable system stability. However, the inherent power coupling caused by the low reactance-to-resistance ratio in low-voltage networks negatively impacts the control performance of VSGs.
Qu, Yue +4 more
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Tracking of stribeck friction based on second-order linear extended state observer
2016 Chinese Control and Decision Conference (CCDC), 2016To deal with the problem of observing or tracking for discontinuous signal, a kind of second order linear extended state observer (LESO) algorithm is proposed. By ESO estimating the uncertain disturbance, a simple second-order linear ESO with less tunable parameters was designed in the absence of dynamic model, and the method of discrete time ...
Lijun Wang +5 more
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Design of fuzzy controller with linear extended state observer for magnetic suspension bearings
2014 17th International Conference on Electrical Machines and Systems (ICEMS), 2014A high performance controller for magnetic suspension bearings is investigated. To improve the robustness of the controller and the suspension accuracy of the system, a fuzzy controller is designed using variable bandwidth triangle membership function. Considering the poor static-state performance of traditional fuzzy controllers, an additional linear ...
Kexiang Li +3 more
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IEEE Transactions on Industrial Electronics, 2017
To effectively reject the influence of moving gimbal effect and parameter variation on the control performance of the rotor-active magnetic bearings (AMBs) system in a double gimbal magnetically suspended control moment gyro (MSCMG), this paper proposes a feedback linearization and extended state observer (ESO) based control (FLESOBC) strategy, which ...
Chao Liu 0005, Gang Liu, Jiancheng Fang
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To effectively reject the influence of moving gimbal effect and parameter variation on the control performance of the rotor-active magnetic bearings (AMBs) system in a double gimbal magnetically suspended control moment gyro (MSCMG), this paper proposes a feedback linearization and extended state observer (ESO) based control (FLESOBC) strategy, which ...
Chao Liu 0005, Gang Liu, Jiancheng Fang
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2016 24th Mediterranean Conference on Control and Automation (MED), 2016
In this paper, two approaches for model following control in the presence of uncertainties are compared. Specifically, the so-called command governor framework, originally developed as an augmentation to adaptive control, and a modified linear extended state observer are evaluated.
Simon P. Schatz +2 more
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In this paper, two approaches for model following control in the presence of uncertainties are compared. Specifically, the so-called command governor framework, originally developed as an augmentation to adaptive control, and a modified linear extended state observer are evaluated.
Simon P. Schatz +2 more
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Discrete-Time Dynamic Disturbance Rejection for the Modified Linear Extended State Observer
2022 European Control Conference (ECC), 2022Johannes Schwarz, Boris Lohmann
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2019 IEEE Symposium Series on Computational Intelligence (SSCI), 2019
A linear extended state observer (LESO) based fuzzy fault tolerant control (FTC) scheme is designed for an over-actuated autonomous underwater vehicle (AUV) to address the faults of actuators. In this scheme, both the faults of the actuators and other immeasurable disturbances are lumped into a generalized total disturbance, which is then estimated by ...
Xiao-Gang Li +3 more
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A linear extended state observer (LESO) based fuzzy fault tolerant control (FTC) scheme is designed for an over-actuated autonomous underwater vehicle (AUV) to address the faults of actuators. In this scheme, both the faults of the actuators and other immeasurable disturbances are lumped into a generalized total disturbance, which is then estimated by ...
Xiao-Gang Li +3 more
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IEEE Transactions on Vehicular Technology, 2018
This paper proposes an improved systematic approach for sensorless speed estimation and controller design of a linear induction machine (LIM) for linear metro drives. A novel speed estimation method based on the extended state observer is developed to improve the dynamic speed estimation response.
Renjun Dian +4 more
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This paper proposes an improved systematic approach for sensorless speed estimation and controller design of a linear induction machine (LIM) for linear metro drives. A novel speed estimation method based on the extended state observer is developed to improve the dynamic speed estimation response.
Renjun Dian +4 more
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Asian Journal of Control, 2014
AbstractIn this paper, a trajectory linearization control based control law using a linear extended state observer (LESO) is proposed for the output tracking problem of a nonlinear system with uncertainties. First, based on the tracking error dynamics derived by Taylor expansion for the original nonlinear system along the desired trajectory, a feedback
Shao, Xingling, Wang, Honglun
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AbstractIn this paper, a trajectory linearization control based control law using a linear extended state observer (LESO) is proposed for the output tracking problem of a nonlinear system with uncertainties. First, based on the tracking error dynamics derived by Taylor expansion for the original nonlinear system along the desired trajectory, a feedback
Shao, Xingling, Wang, Honglun
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Design of Missile Roll Autopilot based on Linear Extended State Observer
2022 34th Chinese Control and Decision Conference (CCDC), 2022Xu Xieyu +4 more
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