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Modulo 2n−2 arithmetic units 模2n−2个算术单位
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625222
E. Vassalos, D. Bakalis
{"title":"Modulo 2n−2 arithmetic units","authors":"E. Vassalos, D. Bakalis","doi":"10.1109/EUROCON.2013.6625222","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625222","url":null,"abstract":"A modulo 2n-2 value has been proposed in Residue Number System (RNS)-based systems for the design of FIR filters and communication components. However, all modulo 2n-2 arithmetic units that were used have been based either on look-up tables or on generic modulo arithmetic structures. In this work we propose novel modulo 2n-2 adder, multiplier as well as residue generation architectures that take advantage of the inherent properties of modulo 2n-2 arithmetic. The proposed circuits are based on corresponding circuits for modulo 2n-1-1 arithmetic and some simple logic resulting that way to efficient implementations regarding the area, delay and average power dissipation. The evaluation and experimental results of the proposed circuits confirm their efficiency.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115914517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
One-level and two-level scheduling for real-time systems 实时系统的一级和二级调度
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625038
D. Poles
{"title":"One-level and two-level scheduling for real-time systems","authors":"D. Poles","doi":"10.1109/EUROCON.2013.6625038","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625038","url":null,"abstract":"This paper proposes and analyzes the one-level and the two-level scheduling approach. The one-level scheduling uses one scheduling policy for scheduling all tasks, whereas the two-level scheduling uses one scheduling policy for the scheduling of high priority tasks and other for the scheduling of low priority tasks. Both scheduling approaches use Earliest Deadline First and Rate Monotonic scheduling algorithms, the two-level scheduling only for scheduling of higher priority tasks. The focus of both approaches is the scheduling of the Imprecise Computation Model tasks. The Imprecise Computation Model trades off the quality of computations with the timeliness. It decomposes each task into a mandatory part and an optional part. Only the mandatory part is required to complete by task's deadline. The scheduling of Imprecise Computation Model tasks that minimizes the total-weighted error is considered. The one-level scheduling is based on an extension of mandatory parts that minimizes the total-weighted error. In order to minimize the total-weighted error the two-level scheduling uses modified Algorithm WNTU by the low level scheduler. The analysis of both approaches is provided including complexity, response time analysis and simulations. Based on the theoretical foundations and the results of simulations the use of one-level and two-level scheduling is recommended under certain assumptions. Single preemptive model is assumed.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115564321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optimal vehicle fleet mix planning in a distribution utility using fuzzy multi-criteria decision making 基于模糊多准则决策的配电网车辆组合优化规划
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625129
A. Janjic, A. Vukasinovic
{"title":"Optimal vehicle fleet mix planning in a distribution utility using fuzzy multi-criteria decision making","authors":"A. Janjic, A. Vukasinovic","doi":"10.1109/EUROCON.2013.6625129","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625129","url":null,"abstract":"Electric power distribution utilities are using different types of vehicles, depending on their purpose, terrain properties, adopted typical scheme of utility organization and of current fluctuation on a vehicle market as well. Vehicle fleet planning is a generic and broad class of practical decision making problems, including the optimal fleet mix problem. Fleet mix planning involves the determination of a combination of vehicles that is expected to maximally fulfil the fleet's mission objectives subject to constraints on the acquisition, deployment and operation of the fleet. However, to determine the optimal mix is a difficult task having in mind several criteria that one must meet simultaneously. For that reason, in this paper a multi-criteria fuzzy decision making technique is proposed for the determination of an optimal number of two types of vehicles. Optimization is carried out for several part of one distribution utility, with very different properties, and compared with two other multi-criteria decision methods. Thanks to its flexible approach, the fair and balanced distribution of vehicles among utility's parts is made possible.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114281916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Hard-Detours: A new technique for dynamic code analysis 硬迂回:动态代码分析的新技术
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6624964
A. Osama Abo El-Mal, M. Sobh, A. Eldin
{"title":"Hard-Detours: A new technique for dynamic code analysis","authors":"A. Osama Abo El-Mal, M. Sobh, A. Eldin","doi":"10.1109/EUROCON.2013.6624964","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6624964","url":null,"abstract":"Dynamic code analysis for malware detection has become the heart of modern security tools. Some researchers target Microsoft Detours system to perform the dynamic analysis in window environment. This paper reveals some weakness in Microsoft Detours system. It introduces a mechanism (Anti-Detours) to escape from the code analysis trap. The paper proposes a new technique (Hard-Detours) to perform the dynamic code analysis. It intercepts the communication between the application and the system. The interception mechanism depends on the nature of each system call, to avoid detection, removal and bypassing techniques. The proposed technique is implemented for windows 32 Bit Portable Executables. Both analysis techniques are tested over a set of executables with and without the breaking mechanism.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"158 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114484548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
An analytical study of infrastructure-dependent wireless multicast over IEEE 802.11n WLAN IEEE 802.11n无线局域网中基于基础设施的无线组播分析研究
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625017
J. Vella, S. Zammit
{"title":"An analytical study of infrastructure-dependent wireless multicast over IEEE 802.11n WLAN","authors":"J. Vella, S. Zammit","doi":"10.1109/EUROCON.2013.6625017","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625017","url":null,"abstract":"Infrastructure-Dependent Wireless Multicast (IDWM) is a technique where transmit sources are placed at the edge of the coverage area, to combat the attenuation that the multicast signal from the source in the middle of the coverage area experiences. In this paper, the concept of IDWM is studied using a semi-analytical approach considering an IEEE 802.11n wireless local area network (WLAN) by placing the antennas at opposite ends of a sector of the coverage area simulated. The study shows how the Packet Error Rate (PER) of those nodes, which are located at a larger distance from the original source experiences a decrease. Besides this advantage, the IDWM is also beneficial because it does not require any changes at the receivers and hence can be easily implemented in already existing WLANS.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115351844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Adaptive neural network controller with linear observer for thermal power system frequency control 基于线性观测器的自适应神经网络控制器用于火电系统频率控制
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625177
O. Kuljaca, K. Horvat, Hrvoje Horvatek
{"title":"Adaptive neural network controller with linear observer for thermal power system frequency control","authors":"O. Kuljaca, K. Horvat, Hrvoje Horvatek","doi":"10.1109/EUROCON.2013.6625177","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625177","url":null,"abstract":"Paper deals with adaptive neural network controller with linear observer for thermal power system frequency control. Adaptive neural network tuning laws are given together with controller structure. Simulation analysis shows that proposed control scheme performs well and warrants further investigations.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"166 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115716018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Neuro-fuzzy control of a grid-connected photovoltaic system with power quality improvement 具有电能质量改善的并网光伏系统的神经模糊控制
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625082
J. R. Vazquez, Aranzazu D. Martin, R. S. Herrera
{"title":"Neuro-fuzzy control of a grid-connected photovoltaic system with power quality improvement","authors":"J. R. Vazquez, Aranzazu D. Martin, R. S. Herrera","doi":"10.1109/EUROCON.2013.6625082","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625082","url":null,"abstract":"This paper presents a Photovoltaic Active Power Line Conditioner, a device designed to extract the maximum power of a photovoltaic (PV) system and to compensate the nonlinear and unbalanced loads of the electrical power systems. The grid-connected PV systems require DC-DC and DC-AC power converters to maximize the generated PV power and to inject an AC current to the network. In this work, a neuro-fuzzy system to achieve the Maximum Power Point (MPP) and a fuzzy logic control loop to ensure the Maximum Power Point Tracking (MPPT) of the PV system connected at DC side are designed. The DC-AC power converter control strategy includes an active compensation of the non-linear and unbalanced loads connected to the electrical system. The performance of the PV conditioner with the neuro-fuzzy control designed has been analyzed through a simulation platform.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127556206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Modeling and simulation of a microgrid with multiple energy resources 多能源微电网的建模与仿真
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625126
J. B. Almada, R. Leão, F. F. D. Montenegro, S. Miranda, R. F. Sampaio
{"title":"Modeling and simulation of a microgrid with multiple energy resources","authors":"J. B. Almada, R. Leão, F. F. D. Montenegro, S. Miranda, R. F. Sampaio","doi":"10.1109/EUROCON.2013.6625126","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625126","url":null,"abstract":"This work presents the modeling, control and operation of a microgrid with three power sources and a storage system. The sources are solar photovoltaic, fuel cell and wind turbine. The objective of this work is to describe useful models of typical sources, the calculation of its parameters and control design of the power electronic converters of the energy sources. The modeling of the full system including all the stages of the converters is performed using PSCAD/EMTDC software package. The microgrid was designed to operate connected to the main network. The microgrid operated appropriately for different steady state operating conditions.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126967648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Inductorless elliptic filters with reduced number of capacitors using signal-flow graphs 利用信号流图减少电容器数量的无电感椭圆滤波器
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625262
D. Jurišić, N. Mijat, G. Moschytz
{"title":"Inductorless elliptic filters with reduced number of capacitors using signal-flow graphs","authors":"D. Jurišić, N. Mijat, G. Moschytz","doi":"10.1109/EUROCON.2013.6625262","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625262","url":null,"abstract":"In this paper a method of realizing elliptic filters using signal-flow graphs is presented. Elliptic filters having a minimum number of capacitors are compared with those having a higher number of capacitors. This number is particularly significant when comparing filters realized in balanced-to-ground and unbalanced form. The version with a canonic number of capacitors provides area savings in IC form, whereas both (filters with a minimum [i.e. canonic] number of capacitors and those having a higher number of capacitors) have a low sensitivity to component tolerances. The sfg derivations necessary to realize higher-order elliptic filters with a reduced number of capacitors is presented. Transfer function magnitudes are simulated using the PSpice program. Monte Carlo runs confirm the low sensitivity to component tolerances of both circuit types.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126863537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Methods for large image distributed processing and storage 大图像分布式处理与存储方法
Eurocon 2013 Pub Date : 2013-07-01 DOI: 10.1109/EUROCON.2013.6625191
A. Kokoulin
{"title":"Methods for large image distributed processing and storage","authors":"A. Kokoulin","doi":"10.1109/EUROCON.2013.6625191","DOIUrl":"https://doi.org/10.1109/EUROCON.2013.6625191","url":null,"abstract":"This paper presents a novel approach to develop distributed data-driven storage systems. The core concept behind this approach is the implementation of LH* schema that allows highly available distributed data storage to be created. We propose the novel method of image data decomposition and distribution among storage nodes to enhance main characteristics of schema. This method is close to image pyramid structure (also known as MIP maps) that allows the entire large image to be tiled, cropped and scaled but is less redundant and allows the image data in system become manageable. The storage system provides multiple access to digital repositories of imagery data at required scale and accuracy. Image is decomposed into data blocks of several levels. The image with the required scale and resolution is reconstructed from the corresponding set of downloaded blocks on client's side. The developed method allows adopting the compressing, redundancy and security algorithms usage and algorithm redundancy on the block level. Thereby we can flexibly manage the redundancy, security permissions and resource consumption.","PeriodicalId":136720,"journal":{"name":"Eurocon 2013","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125206990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
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