Adaptive tracking control of stochastic switched nonlinear systems with unknown dead‐zone output
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.5489
Abstract: In this article, the problem of adaptive output feedback control is carried out for stochastic switched nonlinear systems with dead‐zone output and asymmetric tracking constraints. A type of smooth approximate model is proposed, which unfastens… read more here.
Keywords: stochastic switched; zone output; output; dead zone ... See more keywords
Low-Power High-Frequency Phase Frequency Detector for Minimal Blind-Zone Phase-Locked Loops
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-018-0887-4
Abstract: This paper describes a symmetric phase frequency detector (PFD). The symmetric structure of PFD provides phase-locked loop (PLL) functions with a low jitter. The most important point in designing PFDs is attention to their dead… read more here.
Keywords: phase; frequency; detector; dead zone ... See more keywords
Event-triggered robust adaptive control for uncertain nonlinear systems preceded by actuator dead-zone
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-017-3984-1
Abstract: It is both theoretically and practically important to investigate the problem of event-triggered adaptive tracking control for a class of uncertain nonlinear systems subject to actuator dead-zone, which aims at reducing communication rate and compensating… read more here.
Keywords: actuator dead; control; dead zone; event ... See more keywords
Adaptive Fuzzy Control for Nonlinear Pure-feedback Systems with External Disturbance and Unknown Dead Zone Output
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Fuzzy Systems"
DOI: 10.1007/s40815-016-0276-8
Abstract: By using the adaptive backstepping technique, a novel adaptive fuzzy backstepping control scheme is proposed for the nonlinear pure-feedback systems with external disturbance and unknown dead zone output in this paper. The proposed control scheme… read more here.
Keywords: zone output; unknown dead; external disturbance; dead zone ... See more keywords
Adaptive Fuzzy PI Output Feedback Control for a Class of Switched Nonlinear Systems with Unmodeled Dynamics and Dead-Zone Output
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Fuzzy Systems"
DOI: 10.1007/s40815-021-01174-y
Abstract: In this paper, the problem of adaptive fuzzy proportional-integral output feedback tracking control is investigated for a class of uncertain switched nonlinear systems with dead-zone output, unknown control coefficients, and unmodeled dynamics. The unknown parameter… read more here.
Keywords: zone output; switched nonlinear; adaptive fuzzy; output feedback ... See more keywords
Adaptive accurate tracking control of HFVs in the presence of dead-zone and hysteresis input nonlinearities
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2020.10.028
Abstract: Abstract A novel accurate tracking controller is developed for the longitudinal dynamics of Hypersonic Flight Vehicles (HFVs) in the presence of large model uncertainties, external disturbances and actuator nonlinearities. Distinct from the state-of-the-art, besides being… read more here.
Keywords: dead zone; zone hysteresis; accurate tracking; hfvs presence ... See more keywords
Flow uniformity metrics for quantifying the hydraulic and treatment performance of constructed wetlands
Sign Up to like & getrecommendations! Published in 2020 at "Ecological Engineering"
DOI: 10.1016/j.ecoleng.2020.105942
Abstract: Abstract The treatment efficiency of constructed wetlands is strongly related to hydraulic conditions. The occurrences of a dead zone and short-circuiting flow decrease flow uniformity and might decrease hydraulic performance. This study aims to investigate… read more here.
Keywords: flow uniformity; treatment; dead zone; performance ... See more keywords
A fuzzy adaptive tracking control for a class of uncertain strick-feedback nonlinear systems with dead-zone input
Sign Up to like & getrecommendations! Published in 2018 at "Neurocomputing"
DOI: 10.1016/j.neucom.2017.06.060
Abstract: Abstract This paper addresses the problem of fuzzy adaptive tracking control for a class of uncertain strick-feedback nonlinear systems with dead-zone input and unknown bounded disturbances. Dead-zone actuators and unknown disturbances are considered at the… read more here.
Keywords: control class; control; fuzzy adaptive; tracking control ... See more keywords
Adaptive neural networks-based visual servoing control for manipulator with visibility constraint and dead-zone input
Sign Up to like & getrecommendations! Published in 2019 at "Neurocomputing"
DOI: 10.1016/j.neucom.2018.11.058
Abstract: Abstract This paper proposed an online image-based visual servoing (IBVS) controller for manipulator systems with dead-zone input. The adaptive neural networks (NNs) are used to approximate the unknown nonlinear dynamics. The Barrier Lyapunov Function (BLF)… read more here.
Keywords: control; zone input; based visual; dead zone ... See more keywords
A novel route to a Hopf bifurcation scenario in switched systems with dead-zone
Sign Up to like & getrecommendations! Published in 2017 at "Physica D: Nonlinear Phenomena"
DOI: 10.1016/j.physd.2017.02.007
Abstract: Abstract Planar switched systems with dead-zone are analyzed. In particular, we consider the effects of a perturbation which is applied to a linear control law and, due to the perturbation, the control changes from purely… read more here.
Keywords: bifurcation scenario; systems dead; switched systems; dead zone ... See more keywords
Just How Anomalous Is the Vast Baltic Sea Dead Zone?
Sign Up to like & getrecommendations! Published in 2018 at "Eos"
DOI: 10.1029/2018eo103455
Abstract: Newly drilled cores from the Baltic Sea reveal 1,500 years of deoxygenation history. The record sheds light on the dire state of the Baltic Sea today. read more here.
Keywords: anomalous vast; sea; baltic sea; sea dead ... See more keywords