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   Articles with "state constrained" as a keyword



Reliable a posteriori error estimation for state-constrained optimal control

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recommendations! Published in 2017 at "Computational Optimization and Applications"

DOI: 10.1007/s10589-017-9908-7

Abstract: We derive a reliable a posteriori error estimator for a state-constrained elliptic optimal control problem taking into account both regularisation and discretisation. The estimator is applicable to finite element discretisations of the problem with both… read more here.

Keywords: control; posteriori error; reliable posteriori; optimal control ... See more keywords

Adaptive state-feedback stabilization of state-constrained stochastic high-order nonlinear systems

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recommendations! Published in 2021 at "Science China Information Sciences"

DOI: 10.1007/s11432-021-3293-0

Abstract: This paper presents an adaptive state-feedback strategy for state-constrained stochastic high-order nonlinear systems. By adding a power integrator and adaptive backstepping techniques, a new adaptive controller is constructed without imposing feasibility conditions, which guarantees that… read more here.

Keywords: adaptive state; state; state constrained; constrained stochastic ... See more keywords

State constrained hybrid vehicle optimal energy management: an interior penalty approach

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recommendations! Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.1774

Abstract: Abstract In simulation, hybrid vehicle energy management can be formulated as a state constrained optimal control problem. Pontryagin’s Minimum Principle provides necessary optimality conditions. Due to the state constraints, these conditions are non-solvable without any… read more here.

Keywords: state; hybrid vehicle; energy management; state constrained ... See more keywords
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Investigation of Controllability and Regularity Conditions for State Constrained Problems

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recommendations! Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.890

Abstract: Abstract A new method to prove non-degenerate optimality conditions in optimal control problems with state constraints of inequality type is proposed. This method involves the second-order derivative of the state constraint function and is based… read more here.

Keywords: state; controllability regularity; investigation controllability; regularity conditions ... See more keywords

Tracking control of state constrained fractional order nonlinear systems.

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recommendations! Published in 2021 at "ISA transactions"

DOI: 10.1016/j.isatra.2021.05.025

Abstract: This article investigates adaptive output-feedback control problems for full-state constrained fractional order uncertain strict-feedback systems with unmeasured states and input saturation. By considering the structure of the systems, a fractional order observer is framed to… read more here.

Keywords: order; control; fractional order; constrained fractional ... See more keywords

Removing feasibility conditions on practical preassigned finite-time tracking for state-constrained high-order nonlinear systems

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recommendations! Published in 2020 at "International Journal of Control"

DOI: 10.1080/00207179.2020.1798026

Abstract: This paper investigates practical preassigned finite-time tracking control for state-constrained high-order nonlinear systems. Fuzzy systems are utilized to remove frequently-used growth assumption... read more here.

Keywords: finite time; constrained high; practical preassigned; time tracking ... See more keywords
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New equations of state constrained by nuclear physics, observations, and QCD calculations of high-density nuclear matter

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recommendations! Published in 2021 at "Physical Review C"

DOI: 10.1103/physrevc.103.025803

Abstract: We present new equations of state for applications in core-collapse supernova and neutron star merger simulations. We start by introducing an effective mass parametrization that is fit to recent microscopic calculations up to twice saturation… read more here.

Keywords: physics; equations state; density; state constrained ... See more keywords

Adaptive Fixed-Time Control for Full State-Constrained Nonlinear Systems: Switched-Self-Triggered Case

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recommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2023.3309400

Abstract: In this brief, an one-to-one asymmetric NM based auxiliary system is put forward to deal with the state transformation problem for nonstrict full state-constrained systems under the adaptive fixed-time control. Then one proposed a novel… read more here.

Keywords: adaptive fixed; full state; time; fixed time ... See more keywords

Distributed Adaptive Fuzzy Containment Control for State-Constrained Multiagent Systems With Uncertain Leaders

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recommendations! Published in 2023 at "IEEE Transactions on Fuzzy Systems"

DOI: 10.1109/tfuzz.2022.3198164

Abstract: This article investigates the containment control for state-constrained multiagent systems. Existing results assume that the dynamic of the multiple leaders is known as prior knowledge. First, a distributed adaptive observer is used to estimate the… read more here.

Keywords: state; control state; state constrained; distributed adaptive ... See more keywords
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Removing Feasibility Conditions on Tracking Control of Full-State Constrained Nonlinear Systems With Time-Varying Powers

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recommendations! Published in 2021 at "IEEE Transactions on Systems, Man, and Cybernetics: Systems"

DOI: 10.1109/tsmc.2019.2963205

Abstract: This article discusses the tracking control problem of full-state constrained nonlinear systems with unknown time-varying powers. With the help of a nonlinear state-dependent transformation, by introducing lower and higher powers in control design and skillfully… read more here.

Keywords: state; time; tracking control; full state ... See more keywords

Active Fault-Tolerant Control Against Intermittent Faults for State-Constrained Nonlinear Systems

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recommendations! Published in 2024 at "IEEE Transactions on Systems, Man, and Cybernetics: Systems"

DOI: 10.1109/tsmc.2023.3344292

Abstract: Intermittent faults (IFs) are characterized by random occurrence and disappearance, making fault diagnosis and fault-tolerant control (FTC) more challenging compared to permanent faults. This article is devoted to active FTC (AFTC) for full-state-constrained nonlinear systems… read more here.

Keywords: intermittent faults; constrained nonlinear; state constrained; tolerant control ... See more keywords