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Second-Order State-Variable Filter with Current Operational Amplifiers 电流运算放大器二阶状态变量滤波器
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.26
D. Kubánek, K. Vrba
{"title":"Second-Order State-Variable Filter with Current Operational Amplifiers","authors":"D. Kubánek, K. Vrba","doi":"10.1109/ICONS.2008.26","DOIUrl":"https://doi.org/10.1109/ICONS.2008.26","url":null,"abstract":"A design of the second-order filter based on the state-variable canonic structure is described. The filter operates in current mode and offers low-pass and band-pass transfer functions simultaneously. Current operational amplifiers are used as main active building blocks. An analysis of the influence of amplifier real properties on the filter characteristics is presented. The shifts of filter poles and appearance of new parasitic zeros is observed. Computer simulation with a bipolar model of current operational amplifier was used for verification of the filter functionality.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116074742","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 Efficient Hardware Implementation of the Tate Pairing in Characteristic Three 特征三中Tate配对的高效硬件实现
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.27
Giray Kömürcü, E. Savaş
{"title":"An Efficient Hardware Implementation of the Tate Pairing in Characteristic Three","authors":"Giray Kömürcü, E. Savaş","doi":"10.1109/ICONS.2008.27","DOIUrl":"https://doi.org/10.1109/ICONS.2008.27","url":null,"abstract":"DL systems with bilinear structure recently became an important base for cryptographic protocols such as identity-based encryption (IBE). Since the main computational task is the evaluation of the bilinear pairings over elliptic curves, known to be prohibitively expensive, efficient implementations are required to render them applicable in real life scenarios. We present an efficient accelerator for computing the Tate Pairing in characteristic 3, using the Modified- Duursma-Lee algorithm. Our accelerator shows that it is possible to improve the area-time product by 12 times on FPGA, compared to estimated values from one of the best known hardware architecture [6] implemented on the same type of FPGA. Also the computation time is improved upto 16 times compared to software applications reported in [17]. In addition, we present the result of an ASIC implementation of the algorithm, which is the first hitherto.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127929472","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: 12
Tunable Universal OTA–C Frequency Filter Design Using Signal–Flow Graphs 使用信号流图的可调谐通用OTA-C频率滤波器设计
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.40
M. Minarcik, K. Vrba
{"title":"Tunable Universal OTA–C Frequency Filter Design Using Signal–Flow Graphs","authors":"M. Minarcik, K. Vrba","doi":"10.1109/ICONS.2008.40","DOIUrl":"https://doi.org/10.1109/ICONS.2008.40","url":null,"abstract":"This article deals with OTA-C frequency filter design using the Mason-Coates signal-flow graphs. The procedure of universal circuit design that can realize low-pass, high-pass, band-pass, band-rejection and all-pass frequency filters working in the current mode as well in the voltage mode is shown. The cut-off frequency and quality factor of the frequency filters can be controlled independently. Controlling the circuit is realized by changing the transconductance of the OTA amplifiers used.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124825802","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: 0
OCTOPODA: Building Financial Gateways Family System Using Domain Specific Kits OCTOPODA:使用领域特定工具包构建金融网关家族系统
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.57
N. Altintas, Semih Cetin, Mehmet Surav
{"title":"OCTOPODA: Building Financial Gateways Family System Using Domain Specific Kits","authors":"N. Altintas, Semih Cetin, Mehmet Surav","doi":"10.1109/ICONS.2008.57","DOIUrl":"https://doi.org/10.1109/ICONS.2008.57","url":null,"abstract":"Financial institutions have been progressively challenged by being linked to a network of various internal and external systems through different and complex protocols. The way to manage this challenge is exploiting application-specific gateways known as financial gateways. However, the complexities of switch protocols as well as the variety of internal and external systems make the design of financial gateways quite complicated. This paper briefly summarizes the challenges of building family of financial gateway systems and introduces a systematic approach to design and implement them with \"domain specific kit\" abstraction. This abstraction can separate system design concerns properly, isolate them in discrete building blocks, and finally compose them by means of a structured choreography model. The approach has been implemented within the context of OCTOPODA project and experimented in real life cases. The paper also presents and discusses the results of this experimentation.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"61 Suppl 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130029119","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
Divergence and Power Variations in Mobile Free-Space Optical Communications 移动自由空间光通信中的散度和功率变化
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.53
A. Harris, T. Giuma
{"title":"Divergence and Power Variations in Mobile Free-Space Optical Communications","authors":"A. Harris, T. Giuma","doi":"10.1109/ICONS.2008.53","DOIUrl":"https://doi.org/10.1109/ICONS.2008.53","url":null,"abstract":"Free-space optical (FSO) communications links are envisioned as a viable option for the provision of temporary high-bandwidth communications links between mobile platforms. The introduction of mobility to a technology originally intended for fixed communications links introduces several interesting challenges. Two of those challenges are the variation in receiver beam profile of the FSO link and variation in received optical power due to the constantly changing transmitter-receiver separation. This paper investigates how the provision of mobile communications using FSO technology is challenged by beam divergence and optical power levels. An analytical model of the receiver beam profile of a mobile FSO link is presented, along with simulation results of both beam profile and optical power levels for a temporary mobile FSO communications link.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130929175","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: 5
Smart Differential Pressure Sensor with Bluetooth Communication Interface 智能差压传感器与蓝牙通信接口
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.66
P. Steffan, M. Pavlík, R. Vrba
{"title":"Smart Differential Pressure Sensor with Bluetooth Communication Interface","authors":"P. Steffan, M. Pavlík, R. Vrba","doi":"10.1109/ICONS.2008.66","DOIUrl":"https://doi.org/10.1109/ICONS.2008.66","url":null,"abstract":"This paper presents design and assembly of mixed electronic circuitry for measured signal processing of the capacitive difference pressure sensor, as well as analysis of the obtained results. The smart pressure sensor provides values of measured pressure via 4-20 mA current loop output. The loop current is also used for sensor circuitry supplying. This means that current consumption of the whole sensor electronics should be less than 3.5 mA even in extended industrial temperature range from -40 to +125degC.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125323579","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: 7
Towards Advance Reservation in Large-Scale Grids 面向大规模电网的提前预约
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.41
Leonardo Kunrath, Carlos Becker Westphall, F. Koch
{"title":"Towards Advance Reservation in Large-Scale Grids","authors":"Leonardo Kunrath, Carlos Becker Westphall, F. Koch","doi":"10.1109/ICONS.2008.41","DOIUrl":"https://doi.org/10.1109/ICONS.2008.41","url":null,"abstract":"Advance resource reservations allow clients to have exclusive access to Grid resources. The goal is to deliver higher levels of Quality of Service. However, in practice, the support for advance reservations in Grids has been restricted to processor reservations on clusters or bandwidth reservation on high speed LANs. This is a shortcoming in current Grid architectures. In this paper, we present an analysis of current resource reservation strategies and propose a new approach to extend advance reservations to almost any Grid node. We validate our approach through the implementation of a resource scheduler and two highly scalable scheduling algorithms. We also verify the algorithms performance through simulation. The results show that the resource utilization rate can be over 90% depending on the number of reservations.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114395565","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
A State Feedback Strategy for Decoupling a Class of Multivariable Systems 一类多变量系统解耦的状态反馈策略
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.76
M. Karimi-Ghartemani, M. Mobed
{"title":"A State Feedback Strategy for Decoupling a Class of Multivariable Systems","authors":"M. Karimi-Ghartemani, M. Mobed","doi":"10.1109/ICONS.2008.76","DOIUrl":"https://doi.org/10.1109/ICONS.2008.76","url":null,"abstract":"Here a special state variable feedback or state feedback for short is introduced with the main objective of providing a convenient method for decoupling a MIMO transfer matrix. Decoupling in general and decoupling via state feedback in particular offer obvious advantages in the design and synthesis of controllers for MIMO systems. The early parts of this paper deal with the eigenvalues, poles, and zeros as well as the controllability and observability properties of the proposed closed-loop system as compared with those of the open-loop system. The proposed method is tested on a model of a realistic physical system and results are illustrated.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121879963","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: 5
Safe Wireless Communication Solution for Driver Machine Interface for Train Control Systems 列车控制系统驾驶机接口安全无线通信解决方案
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.48
Jesper Grønbæk, T. Madsen, H. Schwefel
{"title":"Safe Wireless Communication Solution for Driver Machine Interface for Train Control Systems","authors":"Jesper Grønbæk, T. Madsen, H. Schwefel","doi":"10.1109/ICONS.2008.48","DOIUrl":"https://doi.org/10.1109/ICONS.2008.48","url":null,"abstract":"This paper presents a design for safe wireless communication solution to be used for data transmission to and from a driver machine interface that is a part of a train control system. Introduction of a wireless interface can significantly simplify the maintenance operations of a DMI since no physical detaching and cabling of the component is required. However, since wireless support is becoming a part of the DMI, it shall exhibits the same safety characteristics as DMI. It implies challenges in the design of the wireless communication protocol stack and requires a special-purpose Safety Layer. The paper presents a proposed network architecture, together with the description of the protocols, where the special attention is on wireless security, session control and fault management.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"157 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117109861","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
ACABARASE: An Anti-spam CAse-BAsed ACABARASE: An Anti-spam CAse-BAsed ReAsoning SystEm ACABARASE:基于反垃圾邮件案例的推理系统
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.31
César Andrés, M. Núñez
{"title":"ACABARASE: An Anti-spam CAse-BAsed ACABARASE: An Anti-spam CAse-BAsed ReAsoning SystEm","authors":"César Andrés, M. Núñez","doi":"10.1109/ICONS.2008.31","DOIUrl":"https://doi.org/10.1109/ICONS.2008.31","url":null,"abstract":"In this paper we present the anti-spam case-based reasoning system ACABARASE. Our system works by using the classical strategy behind CBR systems: To solve problems based on the solutions to previously solved similar problems. ACABARASE works under both English and Spanish languages, what slightly complicated its development. In addition to present our system, we show experimental results regarding its performance and analyze them.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114928973","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
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