Results 51 to 60 of about 260,835 (293)

Nonlinear projective filtering in a data stream

open access: yes, 1998
We introduce a modified algorithm to perform nonlinear filtering of a time series by locally linear phase space projections. Unlike previous implementations, the algorithm can be used not only for a posteriori processing but includes the possibility to ...
Davies M. E.   +8 more
core   +3 more sources

Four‐Point Bending Tests at High Temperatures on Commercial MgO‐C Refractory Bricks with and Without Recyclate Considering Different Carbon Contents

open access: yesAdvanced Engineering Materials, EarlyView.
Four‐point bending tests are conducted in an argon atmosphere on commercial MgO‐C brick grades with and without MgO‐C recyclate from room temperature up to 1300 °C. No detrimental effect of the MgO‐C recyclates on bending strength is found. Instead, a decisive influence of the total carbon content is observed, with lower total carbon contents ...
Alexander Schramm   +5 more
wiley   +1 more source

Research on a Fast Image-Matching Algorithm Based on Nonlinear Filtering

open access: yesAlgorithms
Computer vision technology is being applied at an unprecedented speed in various fields such as 3D scene reconstruction, object detection and recognition, video content tracking, pose estimation, and motion estimation.
Chenglong Yin   +4 more
doaj   +1 more source

Pyramidal Structures on Yttria‐Stabilized Zirconia after High Temperature Exposure at 1500°C: New Features on an Old Material

open access: yesAdvanced Engineering Materials, EarlyView.
New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold   +2 more
wiley   +1 more source

Distributed filtering for delayed nonlinear system with random sensor saturation: a dynamic event-triggered approach

open access: yesSystems Science & Control Engineering, 2021
This paper is concerned with the distributed filtering problem for a class of delayed nonlinear systems with random sensor saturation (RSS) under a dynamic event-triggered mechanism. The nonlinear function is assumed to satisfy the Lipschitz condition. A
Zehao Li, Jun Hu, Jiaxing Li
doaj   +1 more source

A Topology Optimization Framework for the Inverse Design of Nonlinear Mechanical Metamaterials

open access: yesAdvanced Engineering Materials, EarlyView.
This work uses topology optimization to design unit cells for mechanical metamaterials with a prescribed nonlinear stress–strain response. The framework adds contact and postbuckling modeling to synthesize microstructures for three highly nonlinear responses, including pseudoductile behavior, monostable with snap‐through buckling, and bistable ...
Charlie Aveline   +2 more
wiley   +1 more source

Derivative-free Nonlinear Kalman Filtering for MIMO Dynamical Systems: Applications to Multi-DOF Robotic Manipulators

open access: yesInternational Journal of Advanced Robotic Systems, 2011
The paper proposes derivative-free nonlinear Kalman Filtering for MIMO nonlinear dynamical systems. The considered nonlinear filtering scheme which is based on differential flatness theory extends the class of systems to which Kalman Filtering can be ...
Gerasimos G. Rigatos
doaj  

A limit theorem of nonlinear filtering for multiscale McKean–Vlasov stochastic systems

open access: yesComptes Rendus. Mathématique
The work concerns about multiscale McKean–Vlasov stochastic systems. First of all, we prove an average principle for these systems in the $L^2$ sense. Moreover, a convergence rate is presented.
Qiao, Huijie, Zhu, Shengqing
doaj   +1 more source

Information Geometric Approach to Recursive Update in Nonlinear Filtering

open access: yesEntropy, 2017
The measurement update stage in the nonlinear filtering is considered in the viewpoint of information geometry, and the filtered state is considered as an optimization estimation in parameter space has been corresponded with the iteration in the ...
Yubo Li   +4 more
doaj   +1 more source

Set-membership filtering for a class of nonlinear complex networks with mixed time-delays and incomplete measurements

open access: yesSystems Science & Control Engineering, 2020
In this paper, the set-membership filtering problem is discussed for a class of discrete time-varying nonlinear complex networks with mixed time-delays and incomplete measurements. Both the process noise and the measurement noise are unknown but bounded.
Liang Zhao   +3 more
doaj   +1 more source

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