Výsledky vyhledávání - "gradient-based algorithms"

Consensus Control of a Class of Uncertain Nonlinear Multiagent Systems via Gradient-Based Algorithms Autor Li, Ranran, Yang, Guang-Hong

“… Novel state feedback control laws are first proposed and the consensus subject to the optimization constraint is achieved when the communication graph is directed…”
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Single-Loop Projection-Free and Projected Gradient-Based Algorithms for Nonconvex-Concave Saddle Point Problems with Bilevel Structure Autor Ahmadi, Mohammad Mahdi, Yazdandoost Hamedani, Erfan

“… and convex constraint sets, subject to a strongly convex lower-level objective function. This class of problems finds wide applicability in machine learning, encompassing robust multi-task learning, adversarial learning, and robust meta-learning…”
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Single-loop Projection-free and Projected Gradient-based Algorithms for Nonconvex-concave Saddle Point Problems with Bilevel Structure Autor Mohammad Mahdi Ahmadi, Erfan Yazdandoost Hamedani

“… and convex constraint sets, subject to a strongly convex lower-level objective function. This class of problems finds wide applicability in machine learning, encompassing robust multi-task learning, adversarial learning, and robust meta-learning…”
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A heuristic smoothing procedure for avoiding local optima in optimization of structures subject to unilateral constraints Autor Hilding, D.

“… sequential quadratic programming or the method of moving asymptotes. If the structure is subject to unilateral constraints, then the gradient may be nonexistent for some designs…”
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An Accelerated Distributed Gradient-Based Algorithm for Constrained Optimization With Application to Economic Dispatch in a Large-Scale Power System Autor Guo, Fanghong, Li, Guoqi, Wen, Changyun, Wang, Lei, Meng, Ziyang

“… To solve this problem, a new accelerated distributed gradient-based algorithm is proposed, which is inspired by the "momentum" phenomena in nature and aims to accelerate the convergence speed…”
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Joint optimization of number of wells, well locations and controls using a gradient-based algorithm Autor Forouzanfar, Fahim, Reynolds, A.C.

“… with an efficient gradient-based algorithm. The proposed well-placement optimization algorithm begins by placing a large number of wells in the reservoir, where, the well…”
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Sensitivity and Hessian matrix analysis of power spectrum density function for non-classically damped systems subject to stationary stochastic excitations Autor Ding, Zhe, Shi, Junlei, Huang, Qianwen, Kong, Jianyi, Liao, Wei-Hsin

“…) function with respect to various design variables is a prerequisite for random responses when gradient-based algorithms are adopted…”
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Distributed optimization problem for double-integrator systems with the presence of the exogenous disturbance Autor Tran, Ngoc-Tu, Wang, Yan-Wu, Yang, Wu

“…•A distributed optimization problem on double-integrator systems with the presence of external disturbance has been solved.•Each agent only needs to know its…”
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Numerical Solution of Fractional Optimal Control Autor Li, Wen, Wang, Song, Rehbock, Volker

“…This paper presents a numerical algorithm for solving a class of nonlinear optimal control problems subject to a system of fractional differential equations…”
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Event-triggered gradient-based distributed optimisation for multi-agent systems with state consensus constraint Autor Wang, Aijuan, Liao, Xiaofeng, Dong, Tao

“…This study focuses on the event-triggered gradient-based algorithm for a distributed optimisation problem of multi-agent system subject to state consensus constraint over directed networks, where each…”
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Isogeometric shape optimization of nonlinear, curved 3D beams and beam structures Autor Weeger, Oliver, Narayanan, Bharath, Dunn, Martin L.

“… The geometrically exact Cosserat rod theory is used to model nonlinear 3D beams subject to large deformations and rotations…”
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Iris Recognition on Images Reconstructed with Gradient-based Algorithm Autor Radojicic, Tijana, Bozovic, Milena, Blagojevic, Nina

“… For the reconstruction the gradient-based algorithm is used. The reconstruction is tested considering different percentage of the pixels as damaged (missing)…”
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Combining biomarkers linearly and nonlinearly for classification using the area under the ROC curve Autor Fong, Youyi, Yin, Shuxin, Huang, Ying

“… Second, many existing linear combination methods use gradient‐based algorithms to find the best marker combination, which often result in suboptimal local solutions…”
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Perturbation Analysis and Optimization of Stochastic Hybrid Systems Autor Cassandras, Christos G., Wardi, Yorai, Panayiotou, Christos G., Yao, Chen

“… These can be combined with standard gradient-based algorithms for optimization purposes and implemented on line with little or no distributional information regarding the stochastic processes involved…”
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Coupled operational optimization of smart valve system subject to different approach angles of a pipe contraction Autor Naseradinmousavi, Peiman, Machiani, Sahar Ghanipoor, Ayoubi, Mohammad A., Nataraj, C.

“…In this paper, we focus on interconnected trajectory optimization of two sets of solenoid actuated butterfly valves dynamically coupled in series. The system…”
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On the effective integration of manufacturability constraints within the multi-scale methodology for designing variable angle-tow laminates Autor Montemurro, Marco, Catapano, Anita

“…In this work a multi-scale two-level (MS2L) optimisation strategy for optimising VAT composites is presented. In the framework of the MS2L methodology, the…”
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Hybrid physics-based and data-driven impact localisation for composite laminates Autor Xiao, Dong, Sharif-Khodaei, Zahra, Aliabadi, M.H.

“…The current challenges facing data-driven impact localisation methods primarily involve accurately localising impacts occurring outside the training impact…”
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Superquantiles at Work: Machine Learning Applications and Efficient Subgradient Computation Autor Laguel, Yassine, Pillutla, Krishna, Malick, Jérôme, Harchaoui, Zaid

“… Recently, they have been subject of a renewed interest in machine learning, to address issues of distributional robustness and fair allocation…”
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Secure communication design for multi-user peer-to-peer wireless relay networks Autor Gong, Xiangwu, Long, Hang, Dong, Feihong, Yin, Hao

“… First, considering user fairness, the authors study the max–min achievable secrecy rate problem subject to a total transmit power constraint…”
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Nonsmooth Optimal Value and Policy Functions in Mechanical Systems Subject to Unilateral Constraints Autor Banjanin, Bora S., Burden, Samuel A.

“…State-of-the-art approaches to optimal control use smooth approximations of value and policy functions and gradient-based algorithms for improving approximator parameters…”
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