Results 41 to 50 of about 707,525 (304)
Performance Analysis of Switched Control Systems Under Common-source Digital Upsets Modeled by MDHMM
Complexity, 2018 This paper proposes the theoretical model to analyze the performance degradation of control systems subject to common-source digital upsets. In this paper, a multidimensional hidden Markov model (MDHMM) is used to characterize the correlated upsets and ...
Rui Wang +4 more
doaj +1 more source
Error and attack tolerance of complex networks
, 2000 Many complex systems, such as communication networks, display a surprising degree of robustness: while key components regularly malfunction, local failures rarely lead to the loss of the global information-carrying ability of the network.
A Bunde +24 more
core +4 more sources
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source
The Nontrivial Problem of Matching in Redundant Digital Systems [PDF]
Journal of Electrical and Electronics Engineering, 2019 Massive hardware redundancy is a widely used technique to enhance the reliability of digital systems. Most of authors involved in this topic make a crucial assumption in their published works: in faultfree operation the outputs of such hardware systems ...
SZÁSZ Csaba, ŞINCA Răzvan
doaj
Learning with slight forgetting optimizes sensorimotor transformation in redundant motor systems. [PDF]
PLoS Computational Biology, 2012 Recent theoretical studies have proposed that the redundant motor system in humans achieves well-organized stereotypical movements by minimizing motor effort cost and motor error. However, it is unclear how this optimization process is implemented in the
Masaya Hirashima, Daichi Nozaki
doaj +1 more source
Active Disturbance Rejection Control in Magnetic Bearing Rotor Systems with Redundant Structures
Sensors, 2022 At present, magnetic bearings are a better energy-saving choice than mechanical bearings in industrial applications. However, there are strongly coupled characteristics in magnetic bearing–rotor systems with redundant structures, and uncertain ...
Baixin Cheng +6 more
doaj +1 more source
Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system
FEBS Letters, EarlyView.Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley +1 more source
Improving functional reliability of biometric identification systems by introducing redundancy
Безопасность информационных технологий, 2022 The paper demonstrates a need to study the functional reliability of identification systems and the applicability of methods for ensuring the functional reliability of information systems for biometric identification systems.
Vitaliy G. Ivanenko +2 more
doaj +1 more source
FEBS Letters, EarlyView.This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel +13 more
wiley +1 more source
FEBS Letters, EarlyView.Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura +2 more
wiley +1 more source