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Journal articles on the topic 'Fast Fusion Moves'

Author: Grafiati

Published: 5 September 2021

Last updated: 29 July 2025

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1

Meaney, K. D., Y. Kim, N. M. Hoffman, et al. "Design of multi neutron-to-gamma converter array for measuring time resolved ion temperature of inertial confinement fusion implosions." Review of Scientific Instruments 93, no. 8 (2022): 083520. http://dx.doi.org/10.1063/5.0101887.

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The ion temperature varying during inertial confinement fusion implosions changes the amount of Doppler broadening of the fusion products, creating subtle changes in the fusion neutron pulse as it moves away from the implosion. A diagnostic design to try to measure these subtle effects is introduced—leveraging the fast time resolution of gas Cherenkov detectors along with a multi-puck array that converts a small amount of the neutron pulse into gamma-rays, one can measure multiple snapshots of the neutron pulse at intermediate distances. Precise measurements of the propagating neutron pulse, s

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2

Jeronen, Juha, Tero Tuovinen, and Matti Kurki. "One-Dimensional Thermomechanical Model for Additive Manufacturing Using Laser-Based Powder Bed Fusion." Computation 10, no. 6 (2022): 83. http://dx.doi.org/10.3390/computation10060083.

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We investigate the thermomechanical behavior of 3D printing of metals in the laser-based powder bed fusion (L-PBF) process, also known as selective laser melting (SLM). Heat transport away from the printed object is a limiting factor. We construct a one-dimensional thermoviscoelastic continuum model for the case where a thin fin is being printed at a constant velocity. We use a coordinate frame that moves with the printing laser, and apply an Eulerian perspective to the moving solid. We consider a steady state similar to those used in the analysis of production processes in the process industr

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Kong, Wenping, Xiaoyong Li, Liyang Hou, and Yanrong Li. "An Efficient and Credible Multi-Source Trust Fusion Mechanism Based on Time Decay for Edge Computing." Electronics 9, no. 3 (2020): 502. http://dx.doi.org/10.3390/electronics9030502.

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With the development of 5G, user terminal computing moves up and cloud computing sinks, thus forming a computing fusion at the edge. Edge computing with high-efficiency, real-time, and fast features will become part of 5G construction. Utilizing distributed computing and storage resources at the edge of the network to perform distributed data processing tasks can alleviate the load on the cloud computing center, which is also the development trend of edge computing. When a malicious node exists, the error information feedback by the node will affect the result of local perception decision. To

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Weng, Mingjin. "Intelligent Perception System of Moving Robot for Dynamic Environment." Highlights in Science, Engineering and Technology 134 (March 30, 2025): 180–84. https://doi.org/10.54097/9nd37191.

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Object detection poses a significant challenge in the realm of computer vision for mobile robot grasping tasks. The rapid advancements in deep learning have led to the emergence of numerous novel object detection algorithms, resulting in improved accuracy in large-scale environments. Mobile robot grasping tasks demand highly responsive target detection, as any delay could hinder the robot's ability to react appropriately, thus impacting task execution. Additionally, the constantly changing background environment caused by a fast-moving robot introduces dynamic interference. To address these is

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DUMONT, J. P. C., and J. J. WINE. "The Telson Flexor Neuromuscular System of the Crayfish: I. Homology with the Fast Flexor System." Journal of Experimental Biology 127, no. 1 (1987): 249–77. http://dx.doi.org/10.1242/jeb.127.1.249.

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1. We describe the phasic neuromuscular system of the crayfish telson and establish its homology with the abdominal flexor system that provides the powerstroke for tailflip escape responses. 2. Three paired phasic telson muscles are innervated by 11 paired neurones which have somata in the terminal (sixth) ganglion and axons in the sixth nerve. These are the posterior and ventral telson flexors and the anterior telson muscle. 3. Studies of embryonic ganglia provide evidence that the sixth ganglion is a fusion product of two ancestral ganglia, plus a partial ganglion that is not homologous with

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Sattler, Laura, and Peter L. Graumann. "Assembly of <b><i>Bacillus subtilis</i></b> Dynamin into Membrane-Protective Structures in Response to Environmental Stress Is Mediated by Moderate Changes in Dynamics at a Single Molecule Level." Microbial Physiology 32, no. 1-2 (2022): 57–70. http://dx.doi.org/10.1159/000521585.

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Dynamin-like proteins are membrane-associated GTPases, conserved in bacteria and in eukaryotes, that can mediate nucleotide-driven membrane deformation or membrane fusion reactions. <i>Bacillus subtilis’</i> DynA has been shown to play an important role in protecting cells against chemicals that induce membrane leakage, and to form an increased number of membrane-associated structures after induction of membrane stress. We have studied the dynamics of DynA at a single molecule level in real time, to investigate how assembly of stress-induced structures is accompanied by changes in

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Llobet, Artur, Minnie Wu, and Leon Lagnado. "The mouth of a dense-core vesicle opens and closes in a concerted action regulated by calcium and amphiphysin." Journal of Cell Biology 182, no. 5 (2008): 1017–28. http://dx.doi.org/10.1083/jcb.200807034.

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Secretion of hormones and peptides by neuroendocrine cells occurs through fast and slow modes of vesicle fusion but the mechanics of these processes are not understood. We used interference reflection microscopy to monitor deformations of the membrane surface and found that both modes of fusion involve the tightly coupled dilation and constriction of the vesicle. The rate of opening is calcium dependent and occurs rapidly at concentrations &lt;5 μM. The fast mode of fusion is blocked selectively by a truncation mutant of amphiphysin. Vesicles do not collapse when fusion is triggered by str

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Barberis, T., F. Porcelli, and A. Yolbarsop. "Fast-ion-driven vertical modes in magnetically confined toroidal plasmas." Nuclear Fusion 62, no. 6 (2022): 064002. http://dx.doi.org/10.1088/1741-4326/ac5ad0.

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Abstract A new type of fast particle instability involving axisymmetric modes in magnetic fusion tokamak plasmas is presented. The relevant dispersion relation involves three roots. One corresponds to a vertical plasma displacement that, in the absence of active feedback stabilization, grows on the wall resistivity time scale. The other two, oscillating close to the poloidal Alfvén frequency, are normally damped by wall resistivity. The resonant interaction with fast ions can drive the oscillatory roots unstable. Resonance conditions, stability thresholds and experimental evidence are discusse

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Lee, Jihye, and J. Troy Littleton. "Transmembrane tethering of synaptotagmin to synaptic vesicles controls multiple modes of neurotransmitter release." Proceedings of the National Academy of Sciences 112, no. 12 (2015): 3793–98. http://dx.doi.org/10.1073/pnas.1420312112.

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Synaptotagmin 1 (Syt1) is a synaptic vesicle integral membrane protein that regulates neurotransmitter release by activating fast synchronous fusion and suppressing slower asynchronous release. The cytoplasmic C2 domains of Syt1 interact with SNAREs and plasma membrane phospholipids in a Ca2+-dependent manner and can substitute for full-length Syt1 in in vitro membrane fusion assays. To determine whether synaptic vesicle tethering of Syt1 is required for normal fusion in vivo, we performed a structure-function study with tethering mutants at the Drosophila larval neuromuscular junction. Transg

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10

Christensen, Sune M., Michael W. Mortensen, and Dimitrios G. Stamou. "Single Vesicle Assaying of SNARE-Synaptotagmin-Driven Fusion Reveals Fast and Slow Modes of Both Docking and Fusion and Intrasample Heterogeneity." Biophysical Journal 100, no. 4 (2011): 957–67. http://dx.doi.org/10.1016/j.bpj.2010.12.3730.

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11

Liu, Siyun, Qingjie Qi, Yingjie Liu, et al. "Electromagnetic Switching Multiple Grasping Modes Robot Hand." Applied Sciences 12, no. 15 (2022): 7684. http://dx.doi.org/10.3390/app12157684.

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Giving robot hands more powerful functions has always been one of the goals pursued by scholars in this field. In this paper, an electromagnetic switching multiple grasping modes robot hand (ESMGM hand) is proposed, which integrates three typical grasping modes and therefore has versatile usage and improved performance. The switchable CPS mechanism developed in this paper integrated the parallel grasping and coupled grasping modes, which are incompatible with each other, through ingenious design. The partial effective transmission mechanism guarantees the fusion and connection to self-adaptive

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12

Chirkov, A. Yu, S. V. Ryzhkov, P. A. Bagryansky, and A. V. Anikeev. "Fusion modes of an axially symmetrical mirror trap with the high power injection of fast particles." Plasma Physics Reports 38, no. 13 (2012): 1025–31. http://dx.doi.org/10.1134/s1063780x12080090.

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Kaether, Christoph, Paul Skehel, and Carlos G. Dotti. "Axonal Membrane Proteins Are Transported in Distinct Carriers: A Two-Color Video Microscopy Study in Cultured Hippocampal Neurons." Molecular Biology of the Cell 11, no. 4 (2000): 1213–24. http://dx.doi.org/10.1091/mbc.11.4.1213.

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Neurons transport newly synthesized membrane proteins along axons by microtubule-mediated fast axonal transport. Membrane proteins destined for different axonal subdomains are thought to be transported in different transport carriers. To analyze this differential transport in living neurons, we tagged the amyloid precursor protein (APP) and synaptophysin (p38) with green fluorescent protein (GFP) variants. The resulting fusion proteins, APP-yellow fluorescent protein (YFP), p38-enhanced GFP, and p38-enhanced cyan fluorescent protein, were expressed in hippocampal neurons, and the cells were im

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Stroud, P. "Streaming modes in final beam transport for heavy ion beam fusion." Laser and Particle Beams 4, no. 2 (1986): 261–73. http://dx.doi.org/10.1017/s0263034600001816.

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A key issue in the design of an HIF reactor cavity is the transport of the heavy ion beam from final focusing, across the cavity, to the target. Previous estimates have indicated that streaming instabilities will disrupt the beam transport for a background chamber gas pressure of 10−4 to 10−1 torr. The most attractive liquid lithium first wall reactor cavity designs produce a background gas density in just this pressure range. A detailed analysis of the streaming instabilities has now demonstrated that the beam can be transported through this background. The important fact that had been neglec

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CADER, Maciej, and Wojciech KIŃSKI. "Effect of Changing the Parameters of the Multi Jet Fusion (MJF) Process on the Spatial Objects Produced." Problems of Mechatronics Armament Aviation Safety Engineering 11, no. 4 (2020): 61–72. http://dx.doi.org/10.5604/01.3001.0014.5644.

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This paper describes the principle of operation of Multi Jet Fusion (MFJ) technology in detail. Hybrid strength tests were carried out using an INSTRON 5967 universal testing machine controlled by the Bluehill 3 program and coupled with the ARAMIS measurement system (GOM, Gmbh), enabling the monitoring of deformations in three axes, using a system of high-speed cameras. The results are given of the static tensile test of samples in two printing modes characteristic of the MJF technology – FAST and BALANCE.

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16

Akiyama, T., R. L. Boivin, M. W. Brookman, et al. "Fast wave interferometer for ion density measurement on DIII-D." Journal of Instrumentation 17, no. 01 (2022): C01052. http://dx.doi.org/10.1088/1748-0221/17/01/c01052.

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Abstract A fast wave interferometer (FWI), which can measure ion mass density, has been developed on DIII-D for its use on future fusion reactors, as well as for the study of ion behavior in current plasma devices. The frequency of the fast waves used for the FWI is around 60 MHz, and require antennas and coaxial cables or waveguides, which, unlike traditional mirror-based optical interferometers, are less susceptible to neutron/gamma-ray radiation and are relatively immune to impurity deposition and erosion as well as alignment issues. The bulk ion density evaluated using FWI show good agreem

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17

Bret, Antoine. "Collisional and collisionless beam plasma instabilities." Laser and Particle Beams 28, no. 3 (2010): 491–95. http://dx.doi.org/10.1017/s0263034610000480.

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AbstractCollisions are a key issue regarding the instabilities involved in the fast ignition scenario for inertial confinement fusion. Because of the plasma density gradient through which the relativistic electron beam travels, unstable modes are collisionless at the beginning of the path, and collisional near the target core. While some works have been done on both regimes, the transition from the former to the later remains unclear. By implementing a hot fluid model accounting for a collisional return current, a theory is presented which bridges between the two regimes. The transition from o

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18

Deutsch, C., A. Bret, M. C. Firpo, L. Gremillet, E. Lefebvre, and A. Lifschitz. "Onset of coherent electromagnetic structures in the relativistic electron beam deuterium-tritium fuel interaction of fast ignition concern." Laser and Particle Beams 26, no. 2 (2008): 157–65. http://dx.doi.org/10.1017/s0263034608000189.

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AbstractWe focus attention on the combinations of swiftly growing electromagnetic instabilities (EMI) arising in the interaction of relativistic electron beams (REB) with precompressed deuterium-tritium (DT) fuels of fast ignition interest for inertial confinement fusion (ICF). REB-target system is taken neutral in charge and current with distribution functions including target and beam temperatures. We stress also the significant impact on modes growth rates (GR) of mode-mode coupling and intrabeam scattering. Collisional damping is documented at large wave numbers in terms of inverse skin de

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19

SHU Yukun, WANG Zhanhui, XU Xinliang, et al. "Integrated modeling and experimental validation of H-mode divertor detachment and core confinement compatibility on HL-2A tokamak." Acta Physica Sinica 74, no. 9 (2025): 0. https://doi.org/10.7498/aps.74.20250087.

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The divertor detachment and heat flux control under high-confinement H-mode conditions in tokamaks represent critical physical challenges in current magnetic confinement fusion research. Understanding the impact of detachment on H-mode boundary transport physics, particularly its compatibility with core confinement, is central to resolving divertor detachment physics. In this study, experimental results on divertor detachment and core confinement compatibility in H-mode plasmas from the HL-2A tokamak are presented. On the OMFIT (Objective MHD Framework For Integrated Tasks) integrated modeling

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20

Gippner, P., U. Brosa, H. Feldmeier, and R. Schmidt. "“Fast fusion” and “quasifission”: two possible mass-relaxation modes in asymmetric heavy-ion collisions leading to systems with Ztot = 108." Physics Letters B 252, no. 2 (1990): 198–202. http://dx.doi.org/10.1016/0370-2693(90)90861-y.

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21

Melnikov, Alexander. "Evolution of Heavy Ion Beam Probing from the Origins to Study of Symmetric Structures in Fusion Plasmas." Symmetry 13, no. 8 (2021): 1367. http://dx.doi.org/10.3390/sym13081367.

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The overview discusses development of the unique fusion plasma diagnostics—Heavy Ion Beam Probing (HIBP) in application to toroidal magnetic plasma devices. The basis of the HIBP measurements of the plasma electric potential and processing of experimental data are considered. Diagnostic systems for probing plasma in tokamaks TM-4, TJ-1, TUMAN-3M and T-10, stellarators WEGA, TJ-II and Uragan-2M are presented. Promising results of the HIBP projects for various existing modern machines, such as TCV, TCABR, MAST, COMPASS, GLOBUS-M2, T-15 MD and W7-X and the international fusion tokamak reactor ITE

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King, M. "Chromosomal Evolution in the Diplodactylinae (Gekkonidae, Reptilia) .1. Evolutionary Relationships and Patterns of Change." Australian Journal of Zoology 35, no. 5 (1987): 507. http://dx.doi.org/10.1071/zo9870507.

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A chromosomal analysis of 47 species of diplodactyline gekkos indicates that these are a monophyletic assemblage derived from a 2n = 38 acrocentric ancestral karyotype. Four major clades are present, the first possessing the ancestral karyotype. The remainder are defined by the possession of a series of shared derived chromosomal rearrangements, or by the type of chromosome change. The first of these derived clades includes the subgenus Strophurus, which has five fixed, presumed pericentric inversion differences. The second includes members of the D. vittatus species group. Here, a number of c

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Dreval, M., S. E. Sharapov, Ye O. Kazakov, et al. "Alfvén cascade eigenmodes above the TAE-frequency and localization of Alfvén modes in D–³He plasmas on JET." Nuclear Fusion 62, no. 5 (2022): 056001. http://dx.doi.org/10.1088/1741-4326/ac45a4.

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Abstract Various types of Alfvén eigenmodes (AEs) have been destabilized by fast ions over a broad frequency range from ∼80 kHz to ∼700 kHz in a series of JET experiments in mixed D–3He plasmas heated with the three-ion ICRF scenario (2020 Nocente et al Nucl. Fusion 60 124006). In this paper, we identify the radial localization of AEs using an X-mode reflectometer, a multiline interferometer and soft x-ray diagnostics. The analysis is focused on the most representative example of these measurements in JET pulse #95691, where two different types of Alfvén cascade (AC) eigenmodes were observed.

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Sharma, Sachin, Richard T. Meyer, and Zachary D. Asher. "AEPF: Attention-Enabled Point Fusion for 3D Object Detection." Sensors 24, no. 17 (2024): 5841. http://dx.doi.org/10.3390/s24175841.

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Current state-of-the-art (SOTA) LiDAR-only detectors perform well for 3D object detection tasks, but point cloud data are typically sparse and lacks semantic information. Detailed semantic information obtained from camera images can be added with existing LiDAR-based detectors to create a robust 3D detection pipeline. With two different data types, a major challenge in developing multi-modal sensor fusion networks is to achieve effective data fusion while managing computational resources. With separate 2D and 3D feature extraction backbones, feature fusion can become more challenging as these

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Yang, Guangchao, Jigang Zhang, Zhehao Ma, and Weixiao Xu. "Prediction of Failure Modes of Steel Tube-Reinforced Concrete Shear Walls Using Blending Fusion Model Based on Generative Adversarial Networks Data Augmentation." Applied Sciences 13, no. 22 (2023): 12433. http://dx.doi.org/10.3390/app132212433.

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The steel tube-reinforced concrete (STRC) shear wall plays an important role in the seismic design of high-rise building structures. Due to the synergistic collaboration between steel tubes and concrete, they effectively enhance the ductility and energy dissipation capacity of conventional shear walls. To identify vulnerable areas prone to brittle failure and optimize the design, it is essential to develop a rapid method for identifying the failure mode of STRC shear walls. In this study, a fast identification method of STCR shear wall failure modes based on a Blending fusion model with Genera

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Chirkov, Alexei Yu, and Kirill D. Kazakov. "Radiation Limit for the Energy Gain of the p–11B Reaction." Plasma 6, no. 3 (2023): 379–92. http://dx.doi.org/10.3390/plasma6030026.

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The feasibility of positive energy yield in systems with the p–11B reaction is considered here by considering refined (optimistic) data on the reaction rate. The analysis was carried out within the traditional framework for magnetic confinement systems, but without taking into account a particular type of plasma configuration. The energy balance was considered both for the ions and electrons. The balance of particles includes all species as well as the products of fusion (alpha particles). Calculations have shown that accounting for the content of thermalized reaction products (alpha particles

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Lei, Huang, Zhou Fanli, Wang Wei, Shang Shuai, and Zhou Haocheng. "Digital twin method and application practice of spacecraft system driven by mechanism data." Digital Twin 4 (March 8, 2024): 2. http://dx.doi.org/10.12688/digitaltwin.17913.1.

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Spacecrafts are large-scale systems characterized by various on-orbit configurations, multi-disciplinary coupling, and complex mission modes. Research and exploration on the data-driven spacecraft digital twins development methods must be carried out to satisfy various requirements such as spacecraft on-orbit condition monitoring and risk warning, fast flight conditions predictions, intelligent failure location, and virtual verification of failure. In this paper, significant progress is made in multiple key technologies, such as cyber-physical system modeling and simulation, hybrid modeling an

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Lei, Huang, Zhou Fanli, Wang Wei, Shang Shuai, and Zhou Haocheng. "Digital twin method and application practice of spacecraft system driven by mechanism data." Digital Twin 4 (April 15, 2025): 2. https://doi.org/10.12688/digitaltwin.17913.2.

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Spacecrafts are large-scale systems characterized by various on-orbit configurations, multi-disciplinary coupling, and complex mission modes. Research and exploration on the data-driven spacecraft digital twins development methods must be carried out to satisfy various requirements such as spacecraft on-orbit condition monitoring and risk warning, fast flight conditions predictions, intelligent failure location, and virtual verification of failure. In this paper, significant progress is made in multiple key technologies, such as cyber-physical system modeling and simulation, hybrid modeling an

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Field, A. R., F. J. Casson, D. Fajardo, et al. "Peripheral temperature gradient screening of high-Z impurities in optimised ‘hybrid’ scenario H-mode plasmas in JET-ILW." Nuclear Fusion 63, no. 1 (2022): 016028. http://dx.doi.org/10.1088/1741-4326/aca54e.

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Abstract Screening of high-Z (W) impurities from the confined plasma by the temperature gradient at the plasma periphery of fusion-grade H-mode plasmas has been demonstrated in the JET-ILW (ITER-like wall) tokamak. Through careful optimisation of the hybrid-scenario, deuterium plasmas with sufficient heating power ( ≳ 32 MW), high enough ion temperature gradients at the H-mode pedestal top can be achieved for the collisional, neo-classical convection of the W impurities to be directed outwards, expelling them from the confined plasma. Measurements of the W impurity fluxes between and during ed

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Bradberry, Mazdak M., Huan Bao, Xiaochu Lou та Edwin R. Chapman. "Phosphatidylinositol 4,5-bisphosphate drives Ca2+-independent membrane penetration by the tandem C2 domain proteins synaptotagmin-1 and Doc2β". Journal of Biological Chemistry 294, № 28 (2019): 10942–53. http://dx.doi.org/10.1074/jbc.ra119.007929.

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Exocytosis mediates the release of neurotransmitters and hormones from neurons and neuroendocrine cells. Tandem C2 domain proteins in the synaptotagmin (syt) and double C2 domain (Doc2) families regulate exocytotic membrane fusion via direct interactions with Ca2+ and phospholipid bilayers. Syt1 is a fast-acting, low-affinity Ca2+ sensor that penetrates membranes upon binding Ca2+ to trigger synchronous vesicle fusion. The closely related Doc2β is a slow-acting, high-affinity Ca2+ sensor that triggers spontaneous and asynchronous vesicle fusion, but whether it also penetrates membranes is unkn

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Jwo, Dah Jing, Fong Chi Chung, and Kai Lun Yu. "Interacting Multiple Model Particle Filters for GPS/INS Integration." Applied Mechanics and Materials 284-287 (January 2013): 2255–60. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.2255.

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This paper presents the interacting multiple model (IMM) particle filters with application to navigation sensor fusion. Performance evaluation for various single model nonlinear filters as well as nonlinear filters with IMM framework is carried out. A high gain (high bandwidth) filter is needed to response fast enough to the platform maneuvers while a low gain filter is necessary to reduce the estimation errors during the uniform motion periods. The IMM estimator obtains its estimate as a weighted sum of the individual estimates from a number of parallel filters matched to different motion mod

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Mo, Yiming, Lei Wang, Wenqing Hong, Congzhen Chu, Peigen Li, and Haiting Xia. "Small-Scale Foreign Object Debris Detection Using Deep Learning and Dual Light Modes." Applied Sciences 14, no. 5 (2024): 2162. http://dx.doi.org/10.3390/app14052162.

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The intrusion of foreign objects on airport runways during aircraft takeoff and landing poses a significant safety threat to air transportation. Small-scale Foreign Object Debris (FOD) cannot be ruled out on time by traditional manual inspection, and there is also a potential risk of secondary foreign body intrusion. A deep-learning-based intelligent detection method is proposed to solve the problem of low accuracy and low efficiency of small-scale FOD detection. Firstly, a dual light camera system is utilized for the collection of FOD data. It generates a dual light FOD dataset containing bot

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Zhang, Gang, Linguang Xu, and Qiang Ge. "An in-fiber Mach–Zehnder strain sensor for studying multimode interference of light." American Journal of Physics 92, no. 5 (2024): 385–91. http://dx.doi.org/10.1119/5.0173941.

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Multimode interference of light is an optical interference phenomenon based on waveguides, which has broad applications in optical communication, lasers, and optical fiber sensing. Since optical fiber has become the most widely used optical waveguide in modern society, multimode interference in optical fibers is an ideal candidate for projects in university teaching laboratories. Here, we implement an in-fiber Mach–Zehnder strain sensor-based experiment to study multimode interference in optical fibers. The sensor is fabricated by fusion splicing a piece of thin core fiber between two single m

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Zarzoso, David, Diego del-Castillo-Negrete, Rémi Lacroix, Pierre-Eric Bernard, and Stanislas Touzet. "Transport and losses of fusion-born alpha particles in the presence of tearing modes using the new Toroidal Accelerated Particle Simulator (TAPaS)." Plasma Physics and Controlled Fusion 64, no. 4 (2022): 044003. http://dx.doi.org/10.1088/1361-6587/ac493a.

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Abstract The transport and losses of fusion-born alpha particles are studied in the presence of a single-helicity tearing mode, characterized by ( m = 2 , n = 1 ). The analysis is performed by means of the recently developed Toroidal Accelerated Particle Simulator (TAPaS). Although such modes have usually been believed to result only in a local flattening of the radial profiles, it is shown that the density profile can exhibit a global modification leading to significant losses of alpha particles. This is due to the fact that, although the magnetic field does not exhibit any chaotic behaviour,

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Semitela, Ângela, Miguel Pereira, António Completo, Nuno Lau, and José P. Santos. "Improving Industrial Quality Control: A Transfer Learning Approach to Surface Defect Detection." Sensors 25, no. 2 (2025): 527. https://doi.org/10.3390/s25020527.

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To automate the quality control of painted surfaces of heating devices, an automatic defect detection and classification system was developed by combining deflectometry and bright light-based illumination on the image acquisition, deep learning models for the classification of non-defective (OK) and defective (NOK) surfaces that fused dual-modal information at the decision level, and an online network for information dispatching and visualization. Three decision-making algorithms were tested for implementation: a new model built and trained from scratch and transfer learning of pre-trained net

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Liang, Fan, Weihong Xie, and Yang Yu. "Beating Heart Motion Accurate Prediction Method Based on Interactive Multiple Model: An Information Fusion Approach." BioMed Research International 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/1279486.

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Robot-assisted motion compensated beating heart surgery has the advantage over the conventional Coronary Artery Bypass Graft (CABG) in terms of reduced trauma to the surrounding structures that leads to shortened recovery time. The severe nonlinear and diverse nature of irregular heart rhythm causes enormous difficulty for the robot to realize the clinic requirements, especially under arrhythmias. In this paper, we propose a fusion prediction framework based on Interactive Multiple Model (IMM) estimator, allowing each model to cover a distinguishing feature of the heart motion in underlying dy

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Zu, Yunqin, Lixun Zhang, Siqi Li, Yuhe Fan, and Qijia Liu. "EF-UODA: Underwater Object Detection Based on Enhanced Feature." Journal of Marine Science and Engineering 12, no. 5 (2024): 729. http://dx.doi.org/10.3390/jmse12050729.

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The ability to detect underwater objects accurately is important in marine environmental engineering. Although many kinds of underwater object detection algorithms with relatively high accuracy have been proposed, they involve a large number of parameters and floating point operations (FLOPs), and often fail to yield satisfactory results in complex underwater environments. In light of the demand for an algorithm with the capability to extract high-quality features in complex underwater environments, we proposed a one-stage object detection algorithm called the enhanced feature-based underwater

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Recla, Michael, and Michael Schmitt. "Deep Learning-based DSM Generation from Dual-Aspect SAR Data." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences X-2-2024 (June 10, 2024): 193–200. http://dx.doi.org/10.5194/isprs-annals-x-2-2024-193-2024.

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Abstract. Rapid mapping demands efficient methods for a fast extraction of information from satellite data while minimizing data requirements. This paper explores the potential of deep learning for the generation of high-resolution urban elevation data from Synthetic Aperture Radar (SAR) imagery. In order to mitigate occlusion effects caused by the side-looking nature of SAR remote sensing, two SAR images from opposing aspects are leveraged and processed in an end-to-end deep neural network. The presented approach is the first of its kind to implicitly handle the transition from the SAR-specif

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Šoštarić, Marko, Krešimir Vidović, Marijan Jakovljević, and Orsat Lale. "Data-Driven Methodology for Sustainable Urban Mobility Assessment and Improvement." Sustainability 13, no. 13 (2021): 7162. http://dx.doi.org/10.3390/su13137162.

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The transport system is sensitive to external influences generated by various economic, social and environmental changes. The society and the environment are changing extremely fast, resulting in the need for rapid adjustment of the transport system. Traffic system management, especially in urban areas, is a dynamic process, which is why transport planners are in need of a proven and validated methodology for fast and efficient transport data collection, fusion and analytics that will be used in sustainable urban mobility policy creation. The paper presents a development of a methodology in da

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Couture, Francine. "L’effet critique de l’art : qu’en savons-nous?" Articles, no. 16 (April 19, 2011): 89–103. http://dx.doi.org/10.7202/1002130ar.

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Au cours des années soixante, la sculpture cinétique a fait porter la réflexion sur les relations entre l’art et la technologie. Dans ce sens la réception immédiate des objets d’art de Serge Cournoyer et du groupe Fusion des Arts, par la critique d’art, est exemplaire du débat ayant animé le milieu artistique montréalais durant cette période. Elle a rendu perceptible l’inadéquation entre l’univers sémantique de ces oeuvres et les critères de définition de l’art de certains critiques d’art adhérant à l’expressionisme ou au formalisme. La reconstitution du contexte de ce débat nous apprend que l

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Romanov, R. A., A. V. Koryakin, A. V. Sivkov, et al. "MRI-TRUS fusion biopsy in diagnostics of prostate cancer." Experimental and Сlinical Urology 14, no. 3 (2021): 86–93. http://dx.doi.org/10.29188/2222-8543-2021-14-3-86-93.

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Introduction. Significant improvement in the quality of visualization of the prostate using magnetic resonance imaging (MRI), as well as the development of technologies for virtual combination of MRI and ultrasound images opens new horizons in the diagnosis of prostate cancer. The introduction of the PI-RADS system has allowed the standardization of MRI findings, and the development of fusion biopsy systems seeks to make diagnostics more accurate and less operator-dependent. Materials and methods. In this literature review, we evaluate the effectiveness of various biopsy approaches and discuss

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Podesta, Mario, Marina Gorelenkova, Anna A. Teplukhina, et al. "Extension of the energetic particle transport kick model in TRANSP to multiple fast ion species." Nuclear Fusion, October 13, 2022. http://dx.doi.org/10.1088/1741-4326/ac99ee.

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Abstract Alfvénic instabilities (AEs) are well known to cause enhanced transport of energetic particles (EPs) in fusion devices. Most studies until now have focused on characterizing and understanding AE stability in single-species plasmas heated by Neutral Beams (NB), where deuterium is typically used as both main plasma species and NB fuel. As the fusion community moves toward fusion reactors that target burning plasma conditions, such as ITER, the single-species picture breaks down. Burning plasmas, which will use a mix of deuterium and tritium (DT) as main fuel, also feature the presence o

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Fu, Haohai, Huamin Yang, Chunyi Chen, and Hua Zhang. "3D registration based on V-SLAM and application in augmented reality." Journal of Computational Methods in Sciences and Engineering, February 25, 2022, 1–13. http://dx.doi.org/10.3233/jcm-225958.

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Augmented reality is currently a research hotspot in the field of computer vision and computer graphics, and its applications are becoming more and more extensive. One of its key technologies is the three-dimensional registration of virtual objects. Three-dimensional registration requires accurate camera pose estimation and scene three-dimensional reconstruction. Therefore, this paper studies the 3D registration based on visual SLAM, and mainly contributes the following three aspects. (1) A dense matching method based on a depth camera is proposed, which can be well applied to scenes where the

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Kojima, Shinichiro, Shizuo Inoue, Yoshiaki Miyata, Hajime Urano, and Takahiro Suzuki. "Effects of non-rigidity on fast plasma boundary control using in-vessel coils in JT-60SA." Nuclear Fusion, June 19, 2025. https://doi.org/10.1088/1741-4326/ade605.

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Abstract An effective fast plasma position control method using in-vessel poloidal field coils and capable of maintaining high-elongation plasma, and hence high vertical instability growth, was developed utilizing an MHD equilibrium simulation code “MECS.” First, the vertical instability was investigated. It was found that the plasma boundary moves faster than the plasma center due to vertical instability, indicating that boundary-focused control, here called ISO-FLUX scheme, is more effective by accounting for the plasma non-rigidity than schemes focused on the plasma vertical position. In JT

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Pastras, Georgios, Konstantinos Tzimanis, and Panagiotis Stavropoulos. "A relativistic approach towards macro-scale modelling: implementation on laser re-melting and powder bed fusion (PBF-LB/M) AM processes." International Journal of Advanced Manufacturing Technology, February 19, 2025. https://doi.org/10.1007/s00170-025-15115-8.

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Abstract Simulation of laser-based processes is a computational intensive task; its efficiency strongly depends on the determination of the process phenomena and mechanisms that are of key importance. A major challenge in the macro-scale simulation of these processes is the large separation between the workpiece and laser beam dimensions resulting in a need for enormous lattices. In this work, this problem is bypassed via the introduction of an inhomogeneous lattice that is attached to the laser head, which combined with the enthalpy method enables a finite differences fast-running algorithm.

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Tapoglou, Nikolaos, Jörn Mehnen, Aikaterini Vlachou, Michael Doukas, Nikolaos Milas, and Dimitris Mourtzis. "Cloud-Based Platform for Optimal Machining Parameter Selection Based on Function Blocks and Real-Time Monitoring." Journal of Manufacturing Science and Engineering 137, no. 4 (2015). http://dx.doi.org/10.1115/1.4029806.

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The way machining operations have been running has changed over the years. Nowadays, machine utilization and availability monitoring are becoming increasingly important for the smooth operation of modern workshops. Moreover, the nature of jobs undertaken by manufacturing small and medium enterprises (SMEs) has shifted from a mass production to small batch. To address the challenges caused by modern fast changing environments, a new cloud-based approach for monitoring the use of manufacturing equipment, dispatching jobs to the selected computer numerical control (CNC) machines, and creating the

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Slaby, Christoph, Axel Koenies, and Ralf Kleiber. "A perturbative multi-mode model with finite parallel electric field for fast-ion-driven Alfvén eigenmodes." Nuclear Fusion, September 17, 2024. http://dx.doi.org/10.1088/1741-4326/ad7bca.

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Abstract Alfvén eigenmodes are of great interest in any fusion device as they can be excited by fast ions in the plasma. If the modes grow to large amplitudes, they can cause transport and redistribution of the fast ions, thus limiting fusion performance. To save computational resources, the resonant kinetic interaction between the fast-particle species and the modes is often modelled by MHD-kinetic hybrid codes. Here, we present such a hybrid model which is applicable to three-dimensional magnetic fields, accounts for a finite parallel electric field and multiple MHD modes present at the same

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Chanaday, Natali L., and Ege T. Kavalali. "Optical detection of three modes of endocytosis at hippocampal synapses." eLife 7 (April 23, 2018). http://dx.doi.org/10.7554/elife.36097.

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Coupling of synaptic vesicle fusion and retrieval constitutes a core mechanism ensuring maintenance of presynaptic function. Recent studies using fast-freeze electron microscopy and capacitance measurements reported an ultrafast mode of endocytosis operating at physiological temperatures. Here, using rat hippocampal neurons, we optically monitored single synaptic vesicle endocytosis with high time resolution using the vesicular glutamate transporter, synaptophysin and the V0a1 subunit of the vacuolar ATPase as probes. In this setting, we could distinguish three components of retrieval operatin

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Kiptily, Vasily, Yevgen Kazakov, Massimo Nocente, et al. "Excitation of Alfvén eigenmodes by fusion-born alpha-particles in D-³He plasmas on JET." Plasma Physics and Controlled Fusion, March 14, 2022. http://dx.doi.org/10.1088/1361-6587/ac5d9e.

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Abstract Alfvén eigenmode (AE) instabilities driven by alpha-particles have been observed in D-3He fusion experiments on the Joint European Torus (JET) with the ITER-like wall (ILW). For the efficient generation of fusion alpha-particles from D-3He fusion reaction, the 3-ion radio frequency (RF) scenario was used to accelerate the neutral beam injection 100-keV deuterons to higher energies in the core of mixed D-3He plasmas at high concentrations of 3He. A large variety of fast-ion driven magnetohydrodynamic (MHD) modes were observed, including the elliptical Alfvén eigenmodes (EAEs) with mode

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Dominguez-Palacios, J., S. Futatani, M. Garcia-Munoz, et al. "Effect of energetic ions on edge-localized modes in tokamak plasmas." Nature Physics, January 6, 2025. https://doi.org/10.1038/s41567-024-02715-6.

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AbstractThe most efficient and promising operational regime for the International Thermonuclear Experimental Reactor tokamak is the high-confinement mode. In this regime, however, periodic relaxations of the plasma edge can occur. These edge-localized modes pose a threat to the integrity of the fusion device. Here we reveal the strong impact of energetic ions on the spatio-temporal structure of edge-localized modes in tokamaks using nonlinear hybrid kinetic–magnetohydrodynamic simulations. A resonant interaction between the fast ions at the plasma edge and the electromagnetic perturbations fro

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