Journal ArticleDOI
Distributed H ∞ Filtering for a Class of Markovian Jump Nonlinear Time-Delay Systems Over Lossy Sensor Networks
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TLDR
A distributed filter design scheme is outlined by explicitly characterizing the filter gains in terms of some matrix inequalities and simulation results demonstrate the effectiveness of the proposed filtering scheme.Abstract:
This paper is concerned with the distributed H∞ filtering problem for a class of discrete-time Markovian jump nonlinear time-delay systems with deficient statistics of mode transitions. The system measurements are collected through a lossy sensor network subject to randomly occurring quantization errors and randomly occurring packet dropouts. The description of deficient statistics of mode transitions that account for known, unknown, and uncertain transition probabilities is comprehensive. A distributed filter design scheme is outlined by explicitly characterizing the filter gains in terms of some matrix inequalities. Simulation results demonstrate the effectiveness of the proposed filtering scheme.read more
Citations
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Journal ArticleDOI
Adaptive Tracking Control of Cooperative Robot Manipulators With Markovian Switched Couplings
TL;DR: A neural network adaptive control framework for cooperative robot manipulators with unknown Euler–Lagrange dynamics and Markovian switched couplings is developed and suggests that the neural weight evolves with practical convergence to the ideal, showing the effect of network structure on the adaptation capacity.
Journal ArticleDOI
Fault Reconstruction and State Estimator Design for Distributed Sensor Networks in Multitarget Tracking
TL;DR: This paper presents two sets of estimator designs for distributed sensor networks in multitarget tracking under signal transmission faults due to the uncertain environments and proposes an approach to design an estimator for both fault and state simultaneously in sensor networks tracking.
Journal ArticleDOI
A hybrid Wavelet Neural Network and Switching Particle Swarm Optimization algorithm for face direction recognition
TL;DR: The recently proposed Switching Particle Swarm Optimization (SPSO) algorithm is employed to optimize the parameters of weights, scale factors, translation factors and threshold in Wavelet Neural Network (WNN).
Journal ArticleDOI
Estimation and Compensation for Lipschitz Nonlinear Discrete-Time Systems Subjected to Unknown Measurement Delays
TL;DR: An augmented observer is proposed for discrete-time Lipschitz nonlinear systems subjected to unknown measurement delays, enabling a simultaneous estimation for system states and perturbed terms caused by output delays.
Journal ArticleDOI
A sampled-data approach to distributed H∞ resilient state estimation for a class of nonlinear time-delay systems over sensor networks
TL;DR: A Lyapunov functional approach is put forward to obtain the existence conditions for the desired estimators which are then parameterized in light of the feasibility of some matrix inequalities to demonstrate the usefulness of the proposed estimator design algorithm.
References
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Journal ArticleDOI
The sector bound approach to quantized feedback control
Minyue Fu,Lihua Xie +1 more
TL;DR: The coarsest quantization densities for stabilization for multiple-input-multiple-output systems in both state feedback and output feedback cases are derived and conditions for quantized feedback control for quadratic cost and H/sub /spl infin// performances are derived.
The sector bound approach to quantized feedback control | NOVA. The University of Newcastle's Digital Repository
Minyue Fu,Lihua Xie +1 more
TL;DR: In this paper, a number of quantized feedback design problems for linear systems were studied and the authors showed that the classical sector bound approach is non-conservative for studying these design problems.
Journal ArticleDOI
Opportunities and Challenges of Wireless Sensor Networks in Smart Grid
TL;DR: A comprehensive experimental study on the statistical characterization of the wireless channel in different electric-power-system environments, including a 500-kV substation, an industrial power control room, and an underground network transformer vault is presented.
Journal ArticleDOI
A new delay system approach to network-based control
TL;DR: A sampled-data networked control system with simultaneous consideration of network induced delays, data packet dropouts and measurement quantization is modeled as a nonlinear time-delay system with two successive delay components in the state and the problem of network-based H"~ control is solved accordingly.
Journal ArticleDOI
${\cal H}_{\infty}$ Estimation for Uncertain Systems With Limited Communication Capacity
Huijun Gao,Tongwen Chen +1 more
TL;DR: This paper proposes a parameter-dependent filter design procedure, which is much less conservative than the quadratic approach and provides alternatives for designing robust Hinfin filters with different degrees of conservativeness and computational complexity.
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