搜索结果: 1-15 共查到“理学 hierarchical”相关记录73条 . 查询时间(0.125 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：HT-Net: Hierarchical Transformer based Operator Learning Model for Multiscale PDEs
HT-Net 分层变压器 多尺度 偏微分方程 算子学习模型
2023/5/6
Complex nonlinear interplays of multiple scales give rise to many interesting physical phenomena and pose major difficulties for the computer simulation of multiscale PDE models in areas such as reser...
中国地质大学科学技术发展院徐景喆，葛明峰等，机电学院，IEEE Transactions on Industrial Electronics (2021)，Force-reflecting hierarchical approach for human-aided teleoperation of NRS with event-triggered local communication（图）
新型；半自主；网络化；机器人；遥操作；控制系统
2021/10/14
近日，中国地质大学机电学院葛明峰副教授团队硕士研究生徐景喆以第一作者在工业电子领域顶尖期刊《IEEE Transactions on Industrial Electronics》（IF= 7.515）上刊发研究成果。该文首先构建了一种新型半自主网络化从机器人的遥操作控制系统，并提出了力反馈分层控制框架解决了该系统的同步及编队跟踪问题。
中国地质大学科学技术发展院吴奕德，葛明峰*等，机电学院，Nonlinear Dynamics（2020），Task-space bipartite tracking of networked robotic systems via hierarchical finite-time control
非线性；动力学领域
2021/10/15
近日，机电学院葛明峰副教授团队硕士研究生吴奕德以第一作者在非线性动力学领域《Nonlinear Dynamics》期刊上刊发研究成果。该文设计了几种新的有限时间控制算法，成功解决了多机器人系统在多种情况下的竞争一致跟踪问题。
中国地质大学科学技术发展院梁昌铎，葛明峰*等，机电学院，IEEE Transactions on Cybernetics (2020)，Output Multiformation Tracking of Networked Heterogeneous Robotic Systems Via Finite-time Hierarchical Control
有限时间；分层控制；算法
2021/10/15
近日，机电学院葛明峰副教授团队硕士研究生梁昌铎以第一作者在控制领域《IEEE Transactions on Cybernetics》（IF=10.387）期刊上刊发研究成果。该文设计了几种新型的有限时间分层控制算法成功地解决了多机器人系统的多编队跟踪问题。此外，该文还提出的一套系统的稳定性分析方法，能为相关的多群集行为问题分析提供理论指导。
MULTILEVEL OBJECT BASED IMAGE CLASSIFICATION OVER URBAN AREA BASED HIERARCHICAL IMAGE SEGMENTATION AND INVARIANT MOMENTS
hierarchical segmentation shape object-based classification invariant moments
2015/11/16
With the availability of very high resolution multispectral imagery from sensors such as IKONOS and Quickbird, it is possible to
identify small-scale features in urban environment. Because of the mu...
Hierarchical Classification using Shrunken Centroids
Hierarchical Classification Shrunken Centroids
2015/8/21
There are various types of classifiers that can be trained on gene expression data with class labels. Many of them have an embedded mechanism for feature selection, by which they distinguish a subset ...
Classification of Spatio - Temporal Pattern of Rainfall in Iran Using a Hierarchical and Divisive Cluster Analysis
Rainfall pattern Cluster Analysis Ward Method Iran
2015/8/11
The identification of spatial rainfall pattern is an essential task for hydrologists, climatologists as well as regional and local planners and managers. This is due to the variability of both the tem...
Building large-scale hierarchical models of the world with binary sparse distributed representations. or Building the world model with binary sparse distributed representations
analogy analogical mapping analogical retrieva
2015/7/30
Many researchers agree on the basic architecture of the "world model" where knowledge about the
world required for organization of agent's intelligent behavior is represented. However, most proposals...
Sweeping Preconditioner for the Helmholtz Equation:Hierarchical Matrix Representation
Sweeping Preconditioner Helmholtz Equation Hierarchical Matrix Representation
2015/7/14
The paper introduces the sweeping preconditioner, which is highly efficient for iterative solutions of the variable-coefficient Helmholtz equation including veryhigh-frequency problems. The first cent...
Fast construction of hierarchical matrix representation from matrix–vector multiplication
Fast algorithm Hierarchical matrix construction Randomized singular value decomposition Matrix–vector multiplication Elliptic operator Green’s function
2015/7/14
We develop a hierarchical matrix construction algorithm using matrix–vector multiplications, based on the randomized singular value decomposition of low-rank matrices. The algorithm uses Oelog nT appl...
A fast nested dissection solver for Cartesian 3D elliptic problems using hierarchical matrices
Elliptic equations Fast algorithms Nested dissection Hierarchical matrices Sparse matrix
2015/7/14
We present a fast algorithm for solutions to linear systems arising from three dimensional elliptic problems on a regular Cartesian mesh. We follow the approach of Schmitz and Ying (2012) on combining...
Hierarchical Interpolative Factorization for Elliptic Operators:Integral Equations
Hierarchical Interpolative Factorization Elliptic Operators Integral Equations
2015/7/14
This paper introduces the hierarchical interpolative factorization for integral equations (HIF-IE) associated with elliptic problems in two and three dimensions.This factorization takes the form of an...
Hierarchical Interpolative Factorization for Elliptic Operators:Differential Equations
Hierarchical Interpolative Factorization Elliptic Operators Differential Equations
2015/7/14
This paper introduces the hierarchical interpolative factorization for elliptic partial differential equations (HIF-DE) in two (2D) and three dimensions (3D). This factorization takes the form of an a...
A TECHNIQUE FOR UPDATING HIERARCHICAL SKELETONIZATION-BASED FACTORIZATIONS OF INTEGRAL OPERATORS
factorization updating local perturbations hierarchical factorizations integral equations
2015/7/14
We present a method for updating certain hierarchical factorizations for solving linear integral equations with elliptic kernels. In particular, given a factorization corresponding to some initial geo...
VESSEL CLASSIFICATION IN COSMO-SKYMED SAR DATA USING HIERARCHICAL FEATURE SELECTION
Ship classification COSMO-SkyMed data
2015/5/7
SAR based ship detection and classification are important elements of maritime monitoring applications. Recently, high-resolution SAR data have opened new possibilities to researchers for achieving ...