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Proceedings of the IEEE Symposium on Emerging Technologies, 2005.最新文献

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Improving performance of radar trackers by using H//sub/spl infin// techniques 利用H//sub/spl infin//技术提高雷达跟踪器性能
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558873
T. Atiullah
{"title":"Improving performance of radar trackers by using H//sub/spl infin// techniques","authors":"T. Atiullah","doi":"10.1109/ICET.2005.1558873","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558873","url":null,"abstract":"Kalman Filters and extended Kalman Filters are extensively used as observers in radar trackers in order to estimate the future position of the target. Kalman filters are linear filters while extended Kalman Filters are non linear in nature. Extended Kalman filters therefore show better performance because A,B,C and D matrices are continuously updated. In both cases however basic LQR techniques are used to calculate the state space matrices. The aim of this paper is to design a H,, Observer by robustifing the Blackman's state space plant model through H. loop shaping procedure so that it can tolerate maximum uncertainty. The paper also compares the performance of the designed observer with an extended Kalman filter in order to demonstrate the superiority of the H. technique. Index Terms Radar Trackers, Kalman Filters, Extended Kalman Filters, Robust Controls , H-infinity techniques.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128383579","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
Adaptive on-chip oscillator for FPGA based synchronous designs 基于FPGA的自适应片上振荡器同步设计
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558897
Y. Zafar, M.M. Ahmad
{"title":"Adaptive on-chip oscillator for FPGA based synchronous designs","authors":"Y. Zafar, M.M. Ahmad","doi":"10.1109/ICET.2005.1558897","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558897","url":null,"abstract":"A Single Inverter RingOscillator (SIRO) imnplemnentation inField Programmable GateArrays (FPGAs), serving thepurpose ofon-chip oscillator driving co-existing clocked circutits ispresented The property ofSIROtoadapt totheFPGAtechnology byautomatic frequency adjustment always ensures optimal performance of svnchronous circuit. Externally clocked circuits uponFPGAtechnology variation require achange inoscillating souirce for optimal performance, whereas SIRO-based on-chip oscillator provides platform independence, without poweroverhead. Inaddition, aclocked circuit driven by the on-chiposcillator has greater Electromagnetic compatibilitv (EMC), ascompared totheexternally clocked one.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128417827","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
Network simulation with STATCON devices to avoid voltage collapse in the interconnected system 利用STATCON设备进行网络仿真，避免互联系统中的电压崩溃
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558917
M. Choudhry, K. N. Bangash, T. Mahmood
{"title":"Network simulation with STATCON devices to avoid voltage collapse in the interconnected system","authors":"M. Choudhry, K. N. Bangash, T. Mahmood","doi":"10.1109/ICET.2005.1558917","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558917","url":null,"abstract":"In this paper reactive power control with the help of STATCON has been simulated. Converter operation and switching sequence has been briefed. Real data of Wapda 500/220 kV power system regarding extreme cases of voltage control has been simulated on power system simulator PSS/E. Different rating of simulated STATCON has been suggested at various stations to overcome voltage collapse problem, increase steady state, dynamic and transient stability.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117003802","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
Web engineering: a new emerging discipline 网络工程:一个新兴的学科
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558923
R. Ahmad, Zhang Li, F. Azam
{"title":"Web engineering: a new emerging discipline","authors":"R. Ahmad, Zhang Li, F. Azam","doi":"10.1109/ICET.2005.1558923","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558923","url":null,"abstract":"Web engineering, an emerging new discipline, advocates a process and a systematic approach to development of high quality Web based systems. In contrast the commercial practice still remains ad-hoc. Although the Web based systems has become increasingly complex, the development process is still un-engineered. \"There are very few standard methods for the Web developers to use. Hence, there is a strong need to understand and undertake Web engineering \". (Y. Deshpande and M. Gaedke, 2005) This paper is a result of our extensive survey of literature, our work and interaction with developers. This paper gives an introductory overview on Web engineering, it assesses similarities and differences between development of traditional software and Web based systems, and reviews some of the ongoing work in this area. We discuss the need for development of process model for Web based applications (WBA). such as is available far conventional software, with an overview of our work on development of such a process framework (R. Ahmad, et al, 2005). This paper also attempts to highlight the areas that need further study.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126260945","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
TORA stabilization via dynamic surface control technique 通过动态表面控制技术实现TORA稳定
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558930
N. Qaiser, N. Iqbal
{"title":"TORA stabilization via dynamic surface control technique","authors":"N. Qaiser, N. Iqbal","doi":"10.1109/ICET.2005.1558930","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558930","url":null,"abstract":"This paper considers the stabilization problem of translational oscillator with rotational actuator (TORA), a widely studied nonlinear mechanical system. TORA models resonance capture phenomenon observed in dual-spin spacecraft and rotating machinery. The design of control law for TORA is challenging because of its underactuated nature, posing problems in exact feedback linearization. A novel nonlinear controller design for TORA is presented: exploiting recently introduced dynamic surface control. The design procedure is simpler and more intuitive than already presented designs. Stability of the controller end advantages over existing backstepping controllers are analyzed theoretically and verified using numerical simulations.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129037868","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: 8
Simulation-based optimization and sizing for propulsion system of liquid rocket using genetic algorithm 基于仿真的液体火箭推进系统遗传算法优化与定尺
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558911
S. Akhtar, H. Linshu, V. Akhtar
{"title":"Simulation-based optimization and sizing for propulsion system of liquid rocket using genetic algorithm","authors":"S. Akhtar, H. Linshu, V. Akhtar","doi":"10.1109/ICET.2005.1558911","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558911","url":null,"abstract":"Flight vehicle conceptual design appears to be a promising area for application of the genetic algorithm as an approach to help automate part of the design process. This computational research effort strives to develop a propulsion system design strategy for liquid rocket to achieve minimum take-off mass, satisfying the mission range under the constraint of axial overload. The methods by which this process is accomplished by using genetic algorithm (GA) as optimizer are outlined in this paper. Convergence of GA is improved by introducing initial population based on design of experiments technique.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126069266","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 optimized image fusion algorithm for night-time surveillance and navigation 一种优化的夜间监视导航图像融合算法
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-12-19 DOI: 10.1109/ICET.2005.1558869
Anwaar-ul-Haq, A. M. Mirza, S. Qamar
{"title":"An optimized image fusion algorithm for night-time surveillance and navigation","authors":"Anwaar-ul-Haq, A. M. Mirza, S. Qamar","doi":"10.1109/ICET.2005.1558869","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558869","url":null,"abstract":"Multi-sensor Image fusion has its effective utilization for night-time surveillance and navigation.It provides a way to merge multi-sensor nighttime imagery by combining the outputs of different imaging sensors . In this paper, we present an optimized image fusion approach comprising Structural Similarity, Principle Component Analysis and Discrete Wavelet Transform.The use of structural similarity is proposed for adjusting the quality of finally fused image. Recently developed objective image fusion qualiy evaluation technique, image quality index, is used to evaluate the performance of our fusion algorithm. Experimental results show that it performs considerably well across a variety of multi-source nighttime imaging data.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"182 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113960083","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
"TANDEM-H bridge" a new approach towards low switching loss at high switching frequencies “TANDEM-H桥”是在高开关频率下实现低开关损耗的新途径
Proceedings of the IEEE Symposium on Emerging Technologies, 2005. Pub Date : 2005-09-17 DOI: 10.1109/ICET.2005.1558918
A. Ahmad, F. Kamran
{"title":"\"TANDEM-H bridge\" a new approach towards low switching loss at high switching frequencies","authors":"A. Ahmad, F. Kamran","doi":"10.1109/ICET.2005.1558918","DOIUrl":"https://doi.org/10.1109/ICET.2005.1558918","url":null,"abstract":"High frequency induction heating applications especially pipe/tube welding requires output power in the range of 100's of KW at frequencies ranging from 200 KHz to approx 1 MHz. The power frequency product poses a great challenge for designers in terms of semiconductor device selection and cost. Though power MOSFETs are the most popular choice, their lower current capacity and higher costs divert the attraction towards lower cost IGBT usage in modern day power electronic equipment, IGBT's being economical and having high current capacity, their use is limited by lower switching frequency. This paper presents a new topology that can enable designers to use IGBT's at higher frequencies while keeping the switching loss low.","PeriodicalId":222828,"journal":{"name":"Proceedings of the IEEE Symposium on Emerging Technologies, 2005.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129614031","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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