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Recent work in the FPGA acceleration of molecular dynamics simulation has shown that including on-the-fly neighbor list calculation (particle filtering) in the device has the potential for an 80× per core speed-up over the CPU-based reference code and so to make the approach competitive with other computing technologies. In this paper we report on progress and challenges in advancing this work towards...
In this paper, we employ an agent-based simulation as a tool to estimate the influence of hospital closure to other hospitals in the neighborhood. In Japan, some hospitals managed by local governments face financial difficulties because of the change of medical fees, and the increase in the number of patients due to aged society. Although municipal hospitals greatly contributed to maintain Japanese...
The creation of theories in the class of social sciences by the CI assistance is considered. The author asserts that there are at least two possible approaches to spread out some social theories by the assistance of CI. The first is so called fabula like approach to evolving theory. The second one is sujet akin. Both we can understand as metaphor for divergent forms of narrative construction of social...
In most articles dataflow in computer networks is described as a transfer function. Numerators, denominators and delay times give behaviors of these systems. Some systems show linear features, others have non-linear ones. All descriptions have some special results. Some of them present linear aspects of transfers, while other ones look for bottlenecks of the networks or prove stability of the systems...
The application of process computed tomography to microchannels is considered in this paper. Using the process computed tomography system in microchannel, a particle distribution image can be obtained in a multiphase flow. Based on the reconstructed image, it is easy to estimate the particle diffusion behaviors in a fluid flow. A microchannel system is designed for process computed tomography. The...
This paper analyses the effects of Network-on-Chip (NoC) models written in SystemC on simulation speed. Two Register Transfer Level (RTL) models and Approximately Timed (AT) and Loosely Timed (LT) Transaction Level (TL) models are compared against reference RTL VHDL 2D mesh model. Three different mesh sizes are evaluated using a commercial simulator and OSCI SystemC reference kernel. Studied AT model...
In this paper, Layered Spiral Algorithm (LSA) is proposed for memory-aware application mapping and scheduling onto Network-on-Chip (NoC) based Multi-Processor System-on-Chip (MPSoC). The energy consumption is optimized while keeping high task level parallelism. The experimental evaluation indicates that if memory-awareness is not considered during mapping and scheduling, memory overflows may occur...
Field-programmable gate arrays (FPGAs) can provide an efficient programmable resource for implementing hardware-based spiking neural networks (SNN). In this paper we present a hardware-software design that makes it possible to simulate large-scale (2 million neurons) biologically plausible SNNs on an FPGA-based system. We have chosen three SNN models from the various models available in the literature,...
In order to eliminate accident, reduce congestion and improve the efficiency of the traffic circle, three effective and feasible methods are proposed.As an example,the traffic circle flow of the circle in Xiamen China is simulated by these methods above using VISSIM soft.The results of simulation show that three methods applied to different traffic flow each,then we did further simulations to the...
In order to improve operation efficiency and customer satisfaction and to minimize the turnaround time of vessels at container terminals, a berth allocation problem (BAP) was formulated. An adaptive artificial fish swarm algorithm (AFSA) was proposed to solve it. Firstly, the basic principle and the algorithm design of the AFSA were introduced. Then, for a test case, computational experiments explored...
Due to increasing integration densities and the emergence of nanotechnology, especially reliability and power related design aspects become critical for chip design. Since the arising problems are enforced by high circuit temperatures, the need for a possibility to model thermal behavior of a system in an accurate and physically correct way becomes inevitable. Hence, in this paper VulcaNoCs, a SystemC-based...
How to keep local features of the mesh and adaptive subdivision becomes the research hotspot. Therefore, this paper proposes an adaptive subdivision algorithm with mesh segmentation. This algorithm puts forward a new method of the initial segmentation based on the mesh analyses of the regional growth. And on the basis of the Loop subdivision, the paper gives an adaptive subdivision that can effectively...
Abstract-The dynamics model based on aeromodelling uses computer control technology and GPS positioning. The coverage and flying precision of unmanned aircraft can be increased greatly. Effective control of observation area is achieved. It takes lots of time to calculate the path points if traditional continuous path control algorithms are adopted. It is not conducive to real-time control of aircraft...
The traditional Chinese medicine industry is a field that has unique advantage and national characteristics in the industrial field of our country. The evaluation of the enterprise core competence plays an important role in the rapid development of the traditional Chinese medicine industry. In this paper, a comprehensive evaluation model of the Chinese medicine enterprise core competence is proposed...
In the e-commerce transaction process, varieties of network fraud problems occurred frequently. A C2C service reputation evaluation model under Cloud computing is Proposed. Firstly, the paper analyzes the four factors impact reputation evaluation under the cloud computing environment, and analysis the weights of each factor quantitatively. Secondly, a method to calculate the long-time reputation,...
The heat exchange of distilled water unit is a very complex process.The main steam pressure and temperature are tightly coupled with the pressure of raw water, temperature and flow in the circuit, and show non-linear relationship. There are two important parameters need to be controlled in water production process: conductivity and temperature of distilled water at the exit. This is a typical double...
In order to improve the security and performance of authentication protocol in manufacturing grid, identity-based authentication protocol under standard model is constructed. Combining with the environment of manufacturing grid, this protocol can work under escrow and non-escrow models and different trust domains model. By introducing pseudo random function set, new authentication protocol realizes...
Suppliers plays a vital role in terms of its ability to provide reliable quality services, which directly determines the credibility of corporate success. In order to solve the problems related to selection of suppliers, we, in this paper, introduce the concept of module design while combining with mixed update mechanism, and then propose a choice model for best trustworthy supplier called BTSM. First...
In this paper, we proposed a new car following model based on the Full Velocity Difference (FVD) model, with the acceleration of the front car considered. Compared with the FVD model, the improved model can simulate the motions of cars starting from a traffic signal more nature. Numerical simulation results show that the stability of the improved model is better than the FVD model, with appropriate...
Mathematical modeling represents an efficient method allowing us to examine properties of a researched object. This article will present the design of an analytic model of a jet engine (MPM-20 engine in particular) that will be used to set the operational envelope of the engine for further use in a control system that will be limited by this envelope.
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