Approximation-based adaptive tracking of uncertain input-quantized nonlinear systems in the presence of unknown quantization parameters and control directions
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Control, Automation and Systems"
DOI: 10.1007/s12555-016-0358-2
Abstract: This paper investigates an adaptive tracking problem of input-quantized strict-feedback nonlinear systems with unknown quantization parameters, unmatched nonlinearities, and control directions. The hysteresis quantizer is considered to quantize the control input. Compared with the existing… read more here.
Keywords: control directions; quantization parameters; quantization; unknown quantization ... See more keywords
Distributed consensus control for second-order nonlinear multi-agent systems with unknown control directions and position constraints
Sign Up to like & getrecommendations! Published in 2018 at "Neurocomputing"
DOI: 10.1016/j.neucom.2018.03.063
Abstract: Abstract This paper investigates the leaderless consensus problem in the presence of unknown control directions and position constraints under directed graph. Based on the Nussbaum-gain technique and Barrier Lyapunov functions, the position-constrained consensus protocol is… read more here.
Keywords: control directions; agent; control; position ... See more keywords
Prescribed performance adaptive fault-tolerant tracking control for nonlinear time-delay systems with input quantization and unknown control directions
Sign Up to like & getrecommendations! Published in 2018 at "Neurocomputing"
DOI: 10.1016/j.neucom.2018.05.063
Abstract: Abstract This paper addresses the adaptive prescribed performance tracking control problem for a class of nonlinear time-delay systems with actuator fault, input quantization, unknown control directions and disturbances. Neural networks (NNs) are employed to approximate… read more here.
Keywords: control directions; input quantization; control; unknown control ... See more keywords
Adaptive control of a class of quantised nonlinearly parameterised systems with unknown control directions
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Systems Science"
DOI: 10.1080/00207721.2016.1221482
Abstract: ABSTRACT The problem of adaptive control is studied for a class of nonlinearly parameterised systems with quantised input signal and unknown control directions. The homogeneous domination approach and the Nussbaum-type gain method are applied to… read more here.
Keywords: control directions; nonlinearly parameterised; adaptive control; parameterised systems ... See more keywords
Distributed formation-containment control for multiple Euler–Lagrange systems with guaranteed performance and unknown control directions
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Systems Science"
DOI: 10.1080/00207721.2020.1801884
Abstract: In this paper, the distributed formation-containment (DFC) problem for multiple Euler–Lagrange Systems (ELSs) with unknown control directions is addressed under directed communication graph topology. First, a novel distributed control algorithm is proposed that all the… read more here.
Keywords: control directions; distributed formation; control; multiple euler ... See more keywords
Finite-time dynamic surface control for multi-agent systems with prescribed performance and unknown control directions
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Systems Science"
DOI: 10.1080/00207721.2021.1954719
Abstract: In this paper, the finite-time adaptive fuzzy control method is proposed for nonlinear nonstrict-feedback multi-agent systems (MASs) with unknown control directions. The Nussbaum function is introd... read more here.
Keywords: control directions; finite time; control; agent systems ... See more keywords
Performance-Guaranteed Switching Adaptive Control for Nonlinear Systems With Multiple Unknown Control Directions
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2974754
Abstract: In this paper, an adaptive control strategy with novel performance-guaranteed switching mechanism is proposed for a class of nonlinear parametric strict-feedback systems with unknown parameters and multiple unknown control directions. Firstly, adaptive controller is designed… read more here.
Keywords: control; adaptive control; control directions; performance guaranteed ... See more keywords
Decentralized Control of Multiple Strict-Feedback Systems With Unknown Control Directions
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2021.3056049
Abstract: This paper is concerned with the decentralized control problem of networked high-order nonlinear systems that can be transformed into strict feedback forms with parameter uncertainties and unknown control directions under a directed communication graph. A… read more here.
Keywords: strict feedback; control; control directions; unknown control ... See more keywords
Consensus for Multiagent Systems Under Output Constraints and Unknown Control Directions
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2022.3192573
Abstract: In this article, we design an adaptive leader–follower consensus controller for a class of nonlinear multiagent systems in the presence of time-varying asymmetric output constraints and unknown control directions. A new state transformation approach is… read more here.
Keywords: control; control directions; unknown control; output constraints ... See more keywords
Asymptotic Regulation of Time-Delay Nonlinear Systems With Unknown Control Directions
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Automatic Control"
DOI: 10.1109/tac.2017.2748898
Abstract: This paper studies the problem of global state regulation with stability for time-delay nonlinear systems with unknown control directions. Using a dynamic gain-based method for counteracting time-delay nonlinearity and the Nussbaum-gain function for dealing with… read more here.
Keywords: unknown control; control; time delay; control directions ... See more keywords
Adaptive Fuzzy Tracking Control of Switched MIMO Nonlinear Systems With Full State Constraints and Unknown Control Directions
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3149886
Abstract: In this brief, an adaptive fuzzy tracking control method is proposed for switched multi-input multi-output (MIMO) nonlinear systems with time-varying full state constrains (TFSCs) and unknown control directions. First, the fuzzy logic systems are utilized… read more here.
Keywords: control; control directions; unknown control; tracking control ... See more keywords