Results 71 to 80 of about 12,461 (207)

Adaptive neural network backstepping control of fractional-order Chua–Hartley chaotic system

open access: yesAdvances in Difference Equations, 2019
In this paper, the control of uncertain fractional-order Chua–Hartley (FOCH) chaotic systems by means of adaptive neural network backstepping control is considered.
Guanjun Li, Chunxiang Sun
doaj   +1 more source

Key Technical Fields and Future Outlooks of Space Manipulators: A Survey

open access: yesSmartBot, EarlyView.
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen   +12 more
wiley   +1 more source

Adaptive Backstepping Sliding Mode Control for Boost Converter With Constant Power Load

open access: yesIEEE Access, 2019
The negative impedance characteristics of a constant power load (CPL) can easily lead to the instability of the DC bus voltage. To improve the stability of the DC bus voltage, an adaptive backstepping sliding mode control strategy for a boost converter ...
Jiarong Wu, Yimin Lu
doaj   +1 more source

Fault‐Tolerant Fuzzy Boundary Control for Nonlinear Distributed Parameter Systems Under Limited Measurements and Markovian Failures

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT This paper proposes a boundary control method for nonlinear distributed parameter systems (DPSs) with limited boundary measurements (BMs), as typically encountered in networked cyber‐physical processes with spatially distributed dynamics such as thermal and biomedical diffusion systems.
Yanlin Li   +5 more
wiley   +1 more source

Neural Network Based Adaptive Backstepping Control for Electro-Hydraulic Servo System Position Tracking

open access: yesInternational Journal of Aerospace Engineering, 2022
The modeling uncertainties and external disturbances of electro-hydraulic servo system (EHSS) deteriorate the system’s trajectory tracking performance. To cope with this issue, an adaptive backstepping controller based on neural network (NN) is proposed ...
Zhenshuai Wan, Longwang Yue, Yu Fu
doaj   +1 more source

TD3 Deep Reinforcement Learning Control Approach for a DC‐DC Multiport Converter Used in Low‐Power EV Applications

open access: yesIET Smart Energy Systems, EarlyView.
A TD3‐based deep reinforcement learning controller is developed for a multiport converter in low‐power EV applications. The data‐driven, model‐free strategy improves dynamic performance under constant power load destabilisations and demonstrates advanced intelligent control suited for next‐generation smart and integrated energy systems.
Amirhossein Hosseini   +2 more
wiley   +1 more source

Adaptive Backstepping Sliding Mode Control of Air-Breathing Hypersonic Vehicles

open access: yesInternational Journal of Aerospace Engineering, 2020
In this paper, a controller combining backstepping and adaptive supertwisting sliding mode control method is proposed for altitude and velocity tracking control of air-breathing hypersonic vehicles (AHVs). Firstly, the nonlinear longitudinal model of AHV
Shuo Wang, Ju Jiang, Chaojun Yu
doaj   +1 more source

Adaptive type-2 fuzzy second order sliding mode control for nonlinear uncertain chaotic system

open access: yes, 2015
In this paper, a robust adaptive type-2 fuzzy higher order sliding mode controller is designed to stabilize the unstable periodic orbits of uncertain perturbed chaotic system with internal parameter uncertainties and external disturbances.
Essounbouli, Najib   +2 more
core   +1 more source

Flow‐pattern evolution of the Scandinavian Ice Sheet indicated by the subglacial lineation record over Norway, Sweden and Finland

open access: yesBoreas, EarlyView.
We present a 25‐stage reconstruction of the ice‐flow pattern evolution of the Scandinavian Ice Sheet based on mapping and analysis of ~240 000 subglacial lineations and lineation fields across Norway, Sweden, Finland, and parts of NW Russia. Our reconstruction uses a glacial geomorphological inversion approach, in which we generated 611 individual ...
Frances E. G. Butcher   +9 more
wiley   +1 more source

A novel combined control based on an adaptive generalized back-stepping method for a class of nonlinear systems

open access: yesCogent Engineering, 2018
This paper was aimed at using an adaptive control to develop a backstepping method for a special class of nonlinear systems, which requires no information on the upper bound of parametric uncertainty or disturbance.
Malek Ghanavati   +4 more
doaj   +1 more source

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