Showing 1-25 of 1,862 resultsfor "Index Terms":Computational Considerations
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The Ambiguity Study of Time Conceptualization in Russian Cultures from the Perspective of Computational Linguistics and Pragmatics
2021 International Conference on Internet, Education and Information Technology (IEIT)
Year: 2021 | Conference Paper |
eliminating potential language ambiguity is one of the most important tasks in the application of Computational Linguistics and artificial intelligence education research. At present, the problem of combining pragmatics, artificial intelligence education and Computational Linguistics has not yet been solved in academia. The concept of time plays an important role in the study of Philosophy, Lingui...Show More
A hybrid underwater glider Petrel-II is presented in this paper. It combines behaviors of traditional autonomous underwater vehicle and those of autonomous underwater gliders. It can dive along a saw-tooth trajectory in the gliding mode and autonomously cruise in the level-flight mode. It is characterized by long endurance, long fight range, high cost efficiency, and good maneuverability. The hydr...Show More
Computational Logistics: Definition Evolution, Conceptual Architecture, Practical Philosophy and Typical Application
2024 IEEE International Conference on Systems, Man, and Cybernetics (SMC)
Year: 2024 | Conference Paper |
With the rapid development of global supply chain, the existing methodology and solution struggle to cope with the operation of complex logistics systems (CLS). Thereupon, the computational logistics is suggested systematically from the perspectives of definition evolution, conceptual architecture, problem-oriented exploration, and practical philosophy. All provide an elementary sketch and synopsi...Show More
Assessing the trustworthiness of reviews is a key in natural language processing and computational linguistics. Previous work mainly focuses on some heuristic strategies or simple supervised learning methods, which limit the performance of this task. This paper presents a new approach, from the viewpoint of correcting the mislabeled instances, to find deceptive opinion spam. Partition a dataset in...Show More
A self-ventilated traction motor was investigated by means of Computational Fluid Dynamics (CFD) with special emphasis on the prediction of its cooling air flow rate. This investigation was suggested by the fact that the motor had to be designed in a non usual way as far as air flow is concerned and the subsequent thermal design of the motor had to be based on a well predicted flow rate. The cooli...Show More
A pole placement-based NMPC algorithm of constrained Hammerstein systems
Proceedings of the 29th Chinese Control Conference
Year: 2010 | Conference Paper |
Cited by: Papers (1)
This paper presents a new nonlinear model predictive control (NMPC) algorithm for Hammerstein systems subject to constraints on the state, input and intermediate variable. Taking no account of constraints, a desired linear controller of the intermediate variable is obtained by applying pole placement to the linear subsystem. Then, actual control actions are determined in consideration of constrain...Show More
Design and Implementation of Standardized Billing Models in Heterogeneous Computing Power Transactions
Lin Zhang;Huan Wang;Xiaoli Zhang;Xianyao Gu;Tian Tian;Jiangtao Kang
2024 International Conference on Power, Electrical Engineering, Electronics and Control (PEEEC)
Year: 2024 | Conference Paper |
With the rapid development of heterogeneous computing technology, heterogeneous computing power trading has become a new research and application hotspot. This article proposes a standardized billing model aimed at standardizing the billing process in heterogeneous computing power transactions, improving the efficiency of computing power utilization and fairness of transactions. This model compreh...Show More
Computational anatomy atlas using multilayer perceptron with Lipschitz regularization
2022 IEEE International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON)
Year: 2022 | Conference Paper |
A computational anatomy atlas is a set of internal organ geometries. It is based on data of real patients and complemented with virtual cases by using a some numerical approach. Atlases are in demand in computational physiology, especially in cardiological and neurophysiological applications. Usually, atlas generation uses explicit object representation, such as voxel models or surface meshes. In ...Show More
Computational cost estimations and comparisons for three methods of applied electromagnetics (MoM, MAS, MMAS)
The computational costs of three numerical techniques used in electromagnetics, namely the moment method (MoM), the method of auxiliary sources (MAS), and its modified version (MMAS), are estimated for various calculation schemes and configurations. Both surface and volumetric problems are considered. The number of multiplications required for the system-matrix fill is calculated and added to the ...Show More
An Improved OFDM Channel Estimation Based on CMMB
2010 International Conference on Communications and Mobile Computing
Year: 2010 | Conference Paper |
Cited by: Papers (1)
In this paper, the OFDM channel estimate method based on China Mobile Multimedia Broadcasting (CMMB) system is investigated. Wireless communication systems incorporating coherent OFDM requires the estimation and tracking of the time-varying channel response for accurate demodulation of data at the receiver. In pilot-symbol-assisted (PSA) OFDM systems, the MMSE estimator is a good channel estimatio...Show More
Computational aids for power system engineering in ESCOM
This piper describes the development of computational aids for Electricity planning in ESCOM. It explains how a planner can progress from the forecasting of demand and supply parameters to the proposals for a necessary expansion of generation and transmission facilities. Finally, the paper explains the analysis required for the proposed system expansion feasibility study from the point of view of ...Show More
Stability considerations in the application of PML absorbing boundary condition to FDTD simulation of microwave circuits
1996 IEEE MTT-S International Microwave Symposium Digest
Year: 1996 | Conference Paper |
Berenger introduced the concept of a terminating boundary known as perfectly matched layer (PML), in which electromagnetic waves are absorbed without reflection, irrespective of frequency and angle of incidence of the incoming wave. This absorbing boundary condition promises to be very attractive for microwave CAD applications involving complex geometries such as high-density microwave integrated ...Show More
Study on computational grids in placement of wind turbines using genetic algorithm
2009 World Non-Grid-Connected Wind Power and Energy Conference
Year: 2009 | Conference Paper |
Cited by: Papers (13)
To optimize the placement of wind turbines using a genetic algorithm for the fixed size of wind farm, the appropriate computational grids are the basis of the succeeding work. The optimized scheme was tightly restricted by the rationality and accuracy of computational grids. In this paper, based on the consideration of actual wind and wake characteristics of wind turbines, the (a) shape of the gri...Show More
Generalized Transition Matrix Model Using Characteristic Basis Function Method for Open-Ended Cavities
Inhwan Kim;Hyeong-Rae Im;Ic-Pyo Hong;Hyunsoo Lee;Jong-Gwan Yook
2024 18th European Conference on Antennas and Propagation (EuCAP)
Year: 2024 | Conference Paper |
Cited by: Papers (1)
This paper proposes a novel method for addressing large open-ended cavity problems using the generalized transition matrix (GTM) method, accelerated by the characteristic basis function nethod (CBFM). The method employs characteristic basis functions (CBFs) to represent the electric surface currents on both the exterior and interior walls of the cavity, thereby reducing the number of unknowns. The...Show More
Design Automation Combining Analytical Models and Numerical Simulations for Three-level Neutral-point-clamped dc-dc Converter
Yudi Xiao;Martijn Duraij;Zhe Zhang;Gabriel Zsurzsan;Mads Hansen;Brian Thomsen
Design automation in power electronics has been highlighted in recent years. Design flow, multi-physics co-design, data standardization have been identified as the major gaps for engineers and researchers to fill. As an exploratory effort, this paper presents an automated design for the three-level neutral-point-clamped dc-dc converter. The design firstly uses analytical models to determine the ci...Show More
Convolution Meets Transformer: Efficient Hybrid Transformer for Semantic Segmentation with Very High Resolution Imagery
Yuji Wang;Ruojun Zhao;Shicai Wei;Jingchen Ni;Meng Wu;Yang Luo;Chunbo Luo
IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium
Year: 2024 | Conference Paper |
In this paper, we introduce an efficient and lightweight hybrid Transformer architecture, ingeniously integrating convolutions within Transformer blocks for semantic segmentation of remote sensing Very High Resolution (VHR) imagery. To simultaneously avoid the high computational complexity in the shallow layers and capture the local representations of the VHR images, we propose the Group-Team Conv...Show More
Heun-King-Werner Method’s based approaches for the solution of the Load Flow Problem
Laice Neves de Oliveira;Francisco Damasceno Freitas;Andressa Pereira Oliveira
IEEE EUROCON 2021 - 19th International Conference on Smart Technologies
Year: 2021 | Conference Paper |
This paper presents approaches to the calculation of the solution of the load flow problem in ill-conditioned systems based on Newton’s Continuous philosophy. Two approaches to the Heun-King-Werner method are proposed with the objective of obtaining a better computational cost from the reduction of the number of calculations and factorizations of the Jacobian matrices. The methods performance were...Show More
Early approaches to digital logic simulation were extremely expensive, difficult to use, and plagued with model inaccuracies. Today's simulators have overcome these problems to varying degrees. This situation, combined with the ever-increasing complexity of today's technology, has prompted the acceptance of digital logic simulation as a mandatory tool in most design automation systems.Show More
A gradient vector flow snake based multi-level morphological active contour algorithm
2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Year: 2017 | Conference Paper |
Multi-level morphological active contour algorithm (MMAC), was proposed in [3-4], to incorporate mathematical morphology for tree detection and crown delineation with the average prediction error around 4% in mountainous areas. However, two major drawbacks come with the design of MMAC algorithm, which are huge computational complexity and certain level of false alarm or omission rate. The paper pr...Show More
Exploiting Spatial Uncertainty to Reduce Forward Computation Cost in Optimistic Simulations
Eighth IEEE International Symposium on Distributed Simulation and Real-Time Applications
Year: 2004 | Conference Paper |
The notion of spatial uncertainty indicates the lack of exact knowledge about where, within the simulated space, an event actually occurs. In one of our previous works, we have shown how to exploit spatial uncertainty to reduce the synchronization cost in optimistic simulation, in terms of amount of rollback. In this paper we show how to exploit spatial uncertainty also for reducing the expected c...Show More
The thinking of Professors Newell, Perlis, and Simon on the subject of “What is Computer Science?” was clarified In their famous Letter in Science [2]: their statement that “computer science is the study of computers” should be read in the context of the discussion that asserts that “Phenomena breed sciences” and their reference to “the varied, rich, complex phenomena surrounding computers.” The s...Show More
Access Control for Distributed Processing Systems: Use Cases and General Considerations
2017 IEEE 3rd International Conference on Collaboration and Internet Computing (CIC)
Year: 2017 | Conference Paper |
Cited by: Papers (1)
Access control (AC) is critical for preventing sensitive information from unauthorized access. Various AC systems have been proposed and enforced in different types of information systems (e.g., bank and military). However, existing AC systems cannot thoroughly address the challenges in emerging distributed processing systems (DPS), such as Big Data (BD) and Cloud, due to their dynamic and complex...Show More
A novel computational scheme and its application for simulation of the flow characteristics of flue gas
Jiang Wu;Ping He;Weiguo Pan;Jianxing Ren;Yanyan Zhang;Fangqin Li;Ruitang Guo
2010 The 2nd International Conference on Computer and Automation Engineering (ICCAE)
Year: 2010 | Conference Paper |
Cited by: Papers (1)
In this paper, a novel computational scheme, local whole-information difference scheme (LWDS), was proposed to solve significant pseudo diffusion in recirculating flow zone during numerical simulation. In LWDS, the effect of all of the local around points on the control volume was considered to demonstrate the spatial characteristics of the flow, and the weighted value at each point is adjusted ac...Show More
A Stable and Computationally Efficient Spatial Harmonic Model for Predicting the DC Winding Induced Voltage in WFSF Machine
2022 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
In order to predict the DC winding induced voltage in the wound field switched flux (WFSF) machine with consideration of the impact of current harmonics in both DC winding and AC windings, the field-circuit coupling method based on the high-fidelity spatial harmonic (SH) model is applied in this paper. However, it is found that the inductance-based SH model of the WFSF machine is unstable in dynam...Show More
Bond Graph model of the intermediate block in a hydraulic control system
Proceedings of 2011 International Conference on Fluid Power and Mechatronics
Year: 2011 | Conference Paper |
Cited by: Papers (1)
The intermediate block, as a basic element in the hydraulic control system, is used to install all hydraulic components and guides the fluid flows. The effect of this block, usually neglected, is taken into consideration in this paper since it is a part of a system developed for high performance applications and especially high frequencies [7]. By means of the Bond Graph tool, a detailed model is ...Show More
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