Results 31 to 40 of about 116,116,737 (263)

Nonlinear Discrete Observer for Flexibility Compensation of Industrial Robots [PDF]

open access: yes, 2014
This paper demonstrates the solutions of digital observer implementation for industrial applications. A nonlinear high-gain discrete observer is proposed to compensate the tracking error due to the flexibility of robot manipulators. The proposed discrete
ABBA, Gabriel   +2 more
core  

Finite-horizon inverse optimal control for discrete-time nonlinear systems [PDF]

open access: yes, 2018
In this note, we consider the problem of computing the parameters (or weights) of an optimal control objective function given optimal closed-loop state and control trajectories.
Timothy L. Molloy   +5 more
core   +1 more source

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

Developmental programmes drive cellular plasticity, disease progression and therapy resistance in lung adenocarcinoma

open access: yesMolecular Oncology, EarlyView.
This study shows that lung adenocarcinomas exploit developmental branching morphogenesis to acquire a therapy resistant basal‐like tumour cell state. This process was found to be regulated by combined TP53 loss‐of‐function and type‐I interferon signalling, identifying a novel axis for biomarker and therapeutic target discovery.
Kamila J Bienkowska   +13 more
wiley   +1 more source

Optimal Control of Semilinear Evolution Inclusions via Discrete Approximations [PDF]

open access: yes, 2004
This paper studies a Mayer type optimal control problem with general endpoint constraints for semilinear unbounded evolution inclusions in reflexive and separable Banach spaces.
Wang, Dong, Mordukhovich, Boris S
core   +2 more sources

Optimal control of non-stationary differential linear repetitive processes

open access: yes, 2008
Differential repetitive processes are a distinct class of continuous discrete 2D linear systems of both systems theoretic and applications interest. The feature which makes them distinct from other classes of such systems is the fact that information ...
Rogers, E   +7 more
core   +2 more sources

Optimization of polyhedral differential inclusions and state constraints with multiple delays

open access: yesDemonstratio Mathematica
This paper presents a constructive approach to a class of optimal control problems governed by polyhedral discrete and differential inclusions subject to multiple time delays and state constraints.
Demir Sağlam Sevilay   +1 more
doaj   +1 more source

Discrete approximate optimal vibration control for nonlinear vehicle active suspension [PDF]

open access: yesJournal of Vibroengineering, 2017
This paper presents the approximate optimal vibration control methodology for discrete nonlinear vehicle active suspension subject to persistent road disturbances. Based on a dynamic model of nonlinear vehicle active suspension and a linear exogenous system model of the persistent road disturbances, a nonlinear two-point boundary value (TPBV) problem ...
Shi-Yuan Han   +3 more
openaire   +1 more source

Spatial and single‐nuclei transcriptomics reveals idiosyncratic and generic patterns in papillary and anaplastic thyroid cancers

open access: yesMolecular Oncology, EarlyView.
Matched spatial transcriptomics and single‐nuclei RNA‐seq were generated for anaplastic and BRAFV600E papillary thyroid cancers revealing generic and tumor‐specific states occurring in cancer cells and in the tumor microenvironment. In this context, cancer dedifferentiation mirrored organoid maturation through ordered thyroid marker gain/loss ...
Adrien Tourneur   +11 more
wiley   +1 more source

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