Bibliografias temáticas / Inertial Gradient Methods

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Literatura científica selecionada sobre o tema "Inertial Gradient Methods"

Autor: Grafiati

Publicado: 23 de novembro de 2024

Última modificação: 31 de julho de 2025

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Artigos de revistas sobre o assunto "Inertial Gradient Methods"

Li, Jing, Xiao Wei, Fengpin Wang, and Jinjia Wang. "IPGM: Inertial Proximal Gradient Method for Convolutional Dictionary Learning." Electronics 10, no. 23 (2021): 3021. http://dx.doi.org/10.3390/electronics10233021.

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Inspired by the recent success of the proximal gradient method (PGM) and recent efforts to develop an inertial algorithm, we propose an inertial PGM (IPGM) for convolutional dictionary learning (CDL) by jointly optimizing both an ℓ2-norm data fidelity term and a sparsity term that enforces an ℓ1 penalty. Contrary to other CDL methods, in the proposed approach, the dictionary and needles are updated with an inertial force by the PGM. We obtain a novel derivative formula for the needles and dictionary with respect to the data fidelity term. At the same time, a gradient descent step is designed t

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Zhang, Yanwei, and James N. Moum. "Inertial-Convective Subrange Estimates of Thermal Variance Dissipation Rate from Moored Temperature Measurements." Journal of Atmospheric and Oceanic Technology 27, no. 11 (2010): 1950–59. http://dx.doi.org/10.1175/2010jtecho746.1.

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Abstract A procedure for estimating thermal variance dissipation rate χT by scaling the inertial-convective subrange of temperature gradient spectra from thermistor measurements on a Tropical Atmosphere Ocean (TAO) equatorial mooring, maintained by NOAA’s National Data Buoy Center, is demonstrated. The inertial-convective subrange of wavenumbers/frequencies is contaminated by the vertical motion induced by the pumping of the surface float by surface gravity waves through the local vertical temperature gradient. The uncontaminated signal can be retrieved by removing the part of the measured sig

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Ahmad, Abdulwahab, Poom Kumam, Yeolb Je Cho, and Kanokwan Sıtthıthakerngkıet. "Halpern-type relaxed algorithms with alternated and multi-step inertia for split feasibility problems with applications in classification problems." Constructive Mathematical Analysis 8, no. 2 (2025): 50–80. https://doi.org/10.33205/cma.1563173.

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In this article, we construct two Halpern-type relaxed algorithms with alternated and multi-step inertial extrapolation steps for split feasibility problems in infinite-dimensional Hilbert spaces. The first is the most general inertial method that employs three inertial steps in a single algorithm, one of which is an alternated inertial step, while the others are multi-step inertial steps, representing the recent improvements over the classical inertial step. Besides the inertial steps, the second algorithm uses a three-term conjugate gradient-like direction, which accelerates the sequence of

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Kesornprom, Suparat, and Prasit Cholamjiak. "A modified inertial proximal gradient method for minimization problems and applications." AIMS Mathematics 7, no. 5 (2022): 8147–61. http://dx.doi.org/10.3934/math.2022453.

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<abstract>In this paper, the aim is to design a new proximal gradient algorithm by using the inertial technique with adaptive stepsize for solving convex minimization problems and prove convergence of the iterates under some suitable assumptions. Some numerical implementations of image deblurring are performed to show the efficiency of the proposed methods.</abstract>

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Ahmad, Abdulwahab, Poom Kumam, and Thidaporn Seangwattana. "Strong convergence multi-step inertial golden ratio-based algorithms for split feasibility problems with applications." Mathematical Modelling and Numerical Simulation with Applications 5, no. 2 (2025): 307–47. https://doi.org/10.53391/mmnsa.1595657.

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In this work, we construct four efficient multi-step inertial relaxed algorithms based on the monotonic step-length criterion which does not require any information about the norm of the underlying operator or the use of a line search procedure for split feasibility problems in infinite-dimensional Hilbert spaces. The first and the third are the general multi-step inertial-type methods, which unify two steps of the multi-step inertial terms with the golden ratio-based and an alternating golden ratio-based extrapolation steps, respectively, to improve the speed of convergence of their sequences

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Sheng, Guangrun, Guowei Gao, and Boyuan Zhang. "Application of Improved Wavelet Thresholding Method and an RBF Network in the Error Compensating of an MEMS Gyroscope." Micromachines 10, no. 9 (2019): 608. http://dx.doi.org/10.3390/mi10090608.

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The large random errors in Micro-Electro-Mechanical System (MEMS) gyros are one of the major factors that affect the precision of inertial navigation systems. Based on the indoor inertial navigation system, an improved wavelet threshold de-noising method was proposed and combined with a gradient radial basis function (RBF) neural network to better compensate errors. We analyzed the random errors in an MEMS gyroscope by using Allan variance, and introduced the traditional wavelet threshold methods. Then, we improved the methods and proposed a new threshold function. The new method can be used m

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Milder, A. L., A. S. Joglekar, W. Rozmus, and D. H. Froula. "Qualitative and quantitative enhancement of parameter estimation for model-based diagnostics using automatic differentiation with an application to inertial fusion." Machine Learning: Science and Technology 5, no. 1 (2024): 015026. http://dx.doi.org/10.1088/2632-2153/ad2493.

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Abstract Parameter estimation using observables is a fundamental concept in the experimental sciences. Mathematical models that represent the physical processes can enable reconstructions of the experimental observables and greatly assist in parameter estimation by turning it into an optimization problem which can be solved by gradient-free or gradient-based methods. In this work, the recent rise in flexible frameworks for developing differentiable scientific computing programs is leveraged in order to dramatically accelerate data analysis of a common experimental diagnostic relevant to laser–

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Ceng, Lu-Chuan, Adrian Petruşel, Ching-Feng Wen, and Jen-Chih Yao. "Inertial-Like Subgradient Extragradient Methods for Variational Inequalities and Fixed Points of Asymptotically Nonexpansive and Strictly Pseudocontractive Mappings." Mathematics 7, no. 9 (2019): 860. http://dx.doi.org/10.3390/math7090860.

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Let VIP indicate the variational inequality problem with Lipschitzian and pseudomonotone operator and let CFPP denote the common fixed-point problem of an asymptotically nonexpansive mapping and a strictly pseudocontractive mapping in a real Hilbert space. Our object in this article is to establish strong convergence results for solving the VIP and CFPP by utilizing an inertial-like gradient-like extragradient method with line-search process. Via suitable assumptions, it is shown that the sequences generated by such a method converge strongly to a common solution of the VIP and CFPP, which als

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Kesornprom, Suparat, Papatsara Inkrong, Uamporn Witthayarat, and Prasit Cholamjiak. "A recent proximal gradient algorithm for convex minimization problem using double inertial extrapolations." AIMS Mathematics 9, no. 7 (2024): 18841–59. http://dx.doi.org/10.3934/math.2024917.

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<abstract>In this study, we suggest a new class of forward-backward (FB) algorithms designed to solve convex minimization problems. Our method incorporates a linesearch technique, eliminating the need to choose Lipschitz assumptions explicitly. Additionally, we apply double inertial extrapolations to enhance the algorithm's convergence rate. We establish a weak convergence theorem under some mild conditions. Furthermore, we perform numerical tests, and apply the algorithm to image restoration and data classification as a practical application. The experimental results show our a

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Rasmussen, John, Sebastian Skejø, and Rasmus Plenge Waagepetersen. "Predicting Tissue Loads in Running from Inertial Measurement Units." Sensors 23, no. 24 (2023): 9836. http://dx.doi.org/10.3390/s23249836.

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Background: Runners have high incidence of repetitive load injuries, and habitual runners often use smartwatches with embedded IMU sensors to track their performance and training. If accelerometer information from such IMUs can provide information about individual tissue loads, then running watches may be used to prevent injuries. Methods: We investigate a combined physics-based simulation and data-based method. A total of 285 running trials from 76 real runners are subjected to physics-based simulation to recover forces in the Achilles tendon and patella ligament, and the collected data are u

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Mais fontes

Teses / dissertações sobre o assunto "Inertial Gradient Methods"

Maulen, Soto Rodrigo. "A dynamical system perspective οn stοchastic and iΙnertial methοds fοr optimizatiοn". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC220.

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Motivé par l'omniprésence de l'optimisation dans de nombreux domaines de la science et de l'ingénierie, en particulier dans la science des données, ce manuscrit de thèse exploite le lien étroit entre les systèmes dynamiques dissipatifs à temps continu et les algorithmes d'optimisation pour fournir une analyse systématique du comportement global et local de plusieurs systèmes du premier et du second ordre, en se concentrant sur le cadre convexe, stochastique et en dimension infinie d'une part, et le cadre non convexe, déterministe et en dimension finie d'autre part. Pour les problèmes de minimi

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Anjo, Luiz Fernando Resende dos Santos. "Modelo hidraulico para transitorios lentos em conduto forçado." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258182.

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Orientador: Edevar Luvizotto Junior Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo Made available in DSpace on 2018-08-11T21:41:10Z (GMT). No. of bitstreams: 1 Anjo_LuizFernandoResendedosSantos_D.pdf: 3588080 bytes, checksum: 122271523488dc8a40a0d509bd1b0cf8 (MD5) Previous issue date: 2008 Resumo: Este texto descreve as etapas que objetivam a utilização da estrutura originalmenteproposta por Todini e Pilati no chamado método gradiente (MG), utilizado para análise em regime permanente em instalações a condutos forçados, na

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Gaujour, Etienne. "Evaluation des sources d'espèces et des déterminants de la diversité végétale des parcelles agricoles : interchamps, stock semencier, pratiques agricoles et paysage de l'Installation Expérimentale Inra ASTER Mirecourt." Thesis, Vandoeuvre-les-Nancy, INPL, 2010. http://www.theses.fr/2010INPL020N/document.

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L'un des moyens pour faire face à la réduction de l'utilisation d'intrants de synthèse est de favoriser durablement les services agro-écologiques de la diversité végétale. Pour cela, l'agriculteur devra adapter ses modes de gestion. Ma thèse s'inscrit dans l'objectif finalisé d'apporter à l'agriculteur, de l'aide à la gestion de cette diversité végétale sur le territoire de son exploitation. Je me suis fixé 2 objectifs de recherche : i) vérifier si les interchamps et le stock semencier constituent des sources d'espèces pour le centre des parcelles agricoles et ii) quantifier l'influence de la

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Capítulos de livros sobre o assunto "Inertial Gradient Methods"

Qiao, Ming, Linfeng Gou, Yuhang Liu, Yingxue Chen, and Yingzhi Huang. "Adaptive Cycle Engine Acceleration Controller Based on Deep Reinforcement Learning." In Advances in Transdisciplinary Engineering. IOS Press, 2025. https://doi.org/10.3233/atde250327.

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The adaptive cycle engine can adapt to the requirements of aircraft subsonic flight and supersonic flight, and its acceleration process shows strong nonlinearity. The deep reinforcement learning method has strong adaptive learning ability for complex uncertain environments, and is suitable for the Markov decision-making process of adaptive cycle engine acceleration control. This paper proposes an adaptive cycle engine acceleration controller based on deep reinforcement learning method. The deep deterministic strategy gradient algorithm is applied to the continuous control process. Ornstein-uhl

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Trabalhos de conferências sobre o assunto "Inertial Gradient Methods"

Xu, Ling. "Recursive parameter estimation methods based on gradient search for estimating system parameters of first-order inertial control systems." In 2021 40th Chinese Control Conference (CCC). IEEE, 2021. http://dx.doi.org/10.23919/ccc52363.2021.9549830.

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Ghose, K., and H. R. Shea. "A Micromachined Earth Sensor Based on Measuring the Gravity Gradient Torque." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12762.

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We present the fabrication and testing of a novel MEMS inertial sensor that directly measures the gravity gradient in low Earth orbit in order to sense the relative orientation of a satellite with respect to the Earth. Instead of the current Earth sensing methods that determine the Earth vector by sensing the Earth’s IR emission, we present a much lighter and more compact MEMS-based approach that determine the Earth vector by measuring the Gravity Gradient Torque on an elongated silicon proof mass. Current Earth sensors require optical access on multiple faces of the satellite. This MEMS-based

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Broc, Daniel, and Gianluca Artini. "Fluid Structure Interaction for Tubes Bundles: Different Homogenization Methods." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65727.

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ASTRID is a project for an industrial prototype of a 600 MWe sodium cooled Fast Reactor, led by CEA. An important program is in progress for the development and the validation of numerical tools for the simulation of the dynamic mechanical behavior of the Fast Reactor cores, with both experimental and numerical parts. The cores are constituted of Fuel Assemblies (of FA) and Neutronic Shields (or NS) immersed in the primary coolant (sodium), which circulates inside the Fluid Assemblies. The FA and the NS are slender structures, which may be considered as beams, form a mechanical point of view.

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Mononen, Teemu, Jouni Mattila, and Antti Kolu. "Blade Control for Surface Profile Tracking by Heavy-Duty Bulldozers." In ASME/BATH 2021 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/fpmc2021-68656.

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Abstract The bulldozer is a heavy-duty earthmoving machine used in ground surface profiling and soil manipulation. Tracking the desired surface gradients with the hydraulically actuated manipulator while compensating for the mobile base motion is important in high-performance surface grading and traction control. In this paper, we present an approach for surface elevation tracking control for earthmoving work done by bulldozers using inertial measurement units (IMUs) and roof mounted global navigation satellite system (GNSS) antennas. We use mapping between the desired surface profile and hydr

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Sun, Yixiong, Wenhua Yang, Sheng Sun, et al. "The Influences of Key Factors on the Gas Diffusion in the Material Irradiation Test Based on the Regulation of Gas Composition." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-135739.

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Abstract Material irradiation test requires to design device structure to ensure that the specimen temperature can meet requirements. Gas composition regulation is one of the main temperature control methods. Temperature gradient is established through the gas gap between the specimens and coolant, and the thermal conductivity of gap can be changed by regulating the gas composition, thereby controlling the specimen temperature. The study takes the annular gas gap of a typical material irradiation device as the research object, adopts computational fluid dynamics (CFD) method to simulate the ga

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Chang, J., Bo Zhao, Fei Yu, R. Zhang, and P. Wu. "A hybrid grading calibration method of FOG-IMU and its experimental verification." In 2017 DGON Inertial Sensors and Systems (ISS). IEEE, 2017. http://dx.doi.org/10.1109/inertialsensors.2017.8171498.

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Wasfy, Tamer M. "Modeling Continuum Multibody Systems Using the Finite Element Method and Element Convected Frames." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0273.

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Abstract A new method for predicting the dynamic response of flexible multibody systems is developed. The method can account for large rigid-body motion and large deflections. The method is based on the Finite Element Method and the use of a new type of element convected frames. Continuum type elements are used to model the multibody system. The motion of the “nodes” is referred to a global inertial reference frame. D’Alembert principle is used to derive the system’s equations of motion, by invoking the equilibrium, at the nodes, of inertia forces, structural (internal) forces and externally a

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Reeks, Michael W. "Comparison of Recent Model Equations for Particle Deposition in a Turbulent Boundary Layer With Those Based on the PDF Approach." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45734.

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Comparisons are made between the Advection-Diffusion Equation (ADE) approach for particle transport and the two fluid model approach based on the PDF method. In principal the ADE approach offers a simpler way of calculating the inertial deposition of particles in a turbulent boundary layer than that based on the PDF approach. However the ADE equations that have recently been used are only strictly valid for a simple Gaussian process when particle inertia is small. Using a prescribed but in general non-Gaussian random particle velocity field, it is shown that the net particle mass flux contains

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Hussain, Md Yahia, and Roger E. Khayat. "Effect of Wall Movement on a Jet Depositing on a Moving Wall at Moderate Reynolds Number." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30731.

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The steady flow of a moderately inertial jet depositing on a moving wall, is examined theoretically near channel exit. The free surface jet emerges from a channel and adheres to a wall, which may move in the same or opposite direction to the acting channel pressure gradient. The problem is solved using the method of matched asymptotic expansions. The small parameter involved in the expansions is the inverse Reynolds number. The flow field is obtained as a composite expansion by matching the flow in the boundary layer regions near the free surface, with the flow in the core region. The influenc

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Ahmed, Moinuddin, and Roger E. Khayat. "Flow of a Thin Viscoelastic Jet." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30505.

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The influence of elasticity and inertia for steady flow of a thin viscoelastic fluid jet is examined theoretically. The fluid is assumed to emerge from a vertical channel and driven by a pressure gradient and/or gravity. The boundary-layer equations are generalized for a viscoelastic thin film obeying the Oldroyd-b constitutive model. Special emphasis is placed on the initial stages of jet development. The formulation and simulation are carried out for two-dimensional jet flow in order to better understand the intricate wave and flow structures for a viscoelastic jet. In contrast to the common

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