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A fault monitoring circuit for five phase AC motor 一种五相交流电动机故障监测电路
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227847
A. Fardoun, M. S. Al Naimi, Reema Al Zarooni, H. Noura
{"title":"A fault monitoring circuit for five phase AC motor","authors":"A. Fardoun, M. S. Al Naimi, Reema Al Zarooni, H. Noura","doi":"10.1109/ACTEA.2009.5227847","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227847","url":null,"abstract":"This paper presents a fault monitoring approach for five-phase AC motor under motor short and open fault conditions. The proposed circuit monitor faults in the AC Drive, disconnects the drive from the fault in a designed way to keep the motor operating correctly at derated capability. The proposed approach allows using existing solution for open circuit conditions. The paper covers most mechanical & electrical failures in the drive. The effect of the winding space on the magnitude and phase of magnetic field under the above conditions are analyzed and presented.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127380087","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
New designs if end-fire Tapered Slot Antenna: analysis & synthesis 端火锥形缝隙天线的新设计:分析与综合
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227945
E. Rachid, S. Abou-Jaoude, S. Medlej
{"title":"New designs if end-fire Tapered Slot Antenna: analysis & synthesis","authors":"E. Rachid, S. Abou-Jaoude, S. Medlej","doi":"10.1109/ACTEA.2009.5227945","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227945","url":null,"abstract":"This paper is concerned with investigations of three types of broadband antenna elements that are to be used for spatial power combining and phased-array radar application. The first antenna is the Linearly Tapered Slot Antenna (LTSA) with L=λ0 while the second and the third are the Exponentially Tapered Slot Antenna (ETSA) with two different values of L (L=5 mm and L=0 mm). These antennas are to be fabricated with a low dielectric constant substrate material (RT/Duriod 5880 with dielectric constant εr =2.2), substrate thickness of 1.27 mm and design frequency of 30 GHz. Simulations have been carried out by a program called IE3D, using the Method of Moments.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132424104","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 trajectory of a mobile robot by a Genetic Design Fuzzy logic controller 基于遗传设计模糊逻辑控制器的移动机器人最优轨迹
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227926
C. Rekik, M. Jallouli, N. Derbel
{"title":"Optimal trajectory of a mobile robot by a Genetic Design Fuzzy logic controller","authors":"C. Rekik, M. Jallouli, N. Derbel","doi":"10.1109/ACTEA.2009.5227926","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227926","url":null,"abstract":"Obstacle avoidance and path planning are the most important problems in mobile robots. Besides, finding methods for controlling and decreasing the real robot error in path have been another target for researchers investigation. Usual methods have two separated parts, research target and path planning with obstacle avoidance. In this context, a fuzzy logic controller has been constructed in order to train an intelligent robot. Genetic algorithms are used to optimize the consequences of a Sugeno fuzzy logic optimal controller for the mobile robot navigation. This is to search a target in an environment with and without obstacles. Simulation results verify successful applications of method for real motion situations. An application have been effected in the Khepera robot demonstrating. The Khepera robot can go to the goal and avoid the obstacles successfully.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133543854","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
Study and design of high efficiency switch mode GaN power amplifiers at L-band frequency l波段高效开关模式GaN功率放大器的研究与设计
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227923
A. Ramadan, A. Martin, D. Sardin, T. Reveyrand, J. Nebus, P. Bouysse, L. Lapierre, J. Villemazet, S. Forestier
{"title":"Study and design of high efficiency switch mode GaN power amplifiers at L-band frequency","authors":"A. Ramadan, A. Martin, D. Sardin, T. Reveyrand, J. Nebus, P. Bouysse, L. Lapierre, J. Villemazet, S. Forestier","doi":"10.1109/ACTEA.2009.5227923","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227923","url":null,"abstract":"Activities have been carried out to determine the best electrical operating conditions of GaN HEMT that enable maximum power added efficiency at L-Band for Switch Mode Power Amplifiers (class F, inverse class F and class E). Satellite Radio navigation applications (Galileo) are targeted. Maximization of power added efficiency is of prime importance to save DC power consumption, reduce self heating effects and improve reliability of power amplifiers. At 50V drain bias, a maximum power added efficiency (PAE) of 72% and 40.3 dBm output power (Pout) are obtained using class-F operating conditions at 2dB gain compression while a 75% PAE and 41.0 dBm Pout are obtained using class E at 3dB gain compression.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"66 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132792830","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
Study for the electrical quality degradation of N-channel VDMOSFET transistor induced by electrical stress 电应力诱导n沟道VDMOSFET晶体管电学质量退化的研究
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227931
N. Abboud, C. Salame, A. Khoury, A. Foucaran, A. Hoffmann, P. Mialhe
{"title":"Study for the electrical quality degradation of N-channel VDMOSFET transistor induced by electrical stress","authors":"N. Abboud, C. Salame, A. Khoury, A. Foucaran, A. Hoffmann, P. Mialhe","doi":"10.1109/ACTEA.2009.5227931","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227931","url":null,"abstract":"The aim of this work is to study the behavior of a VDMOSFETs N-channel transistor pre-exposed to electrical stress where experimental results show a consistent degradation in the devices characteristics. The resultant aging in the studied devices have been attributed to trapped holes, trapped electrons and interface states. The electrical stress was applied using the two well-known techniques, widely used in the literature: CVS (Constant Voltage Stress) and hot-carriers injection stress. Degradations coming from the electrical stress were followed by a measurement for the gate to source capacitance, the threshold voltage and the Flat Band voltage before and after each stress dose.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128105306","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
MLE-based order statistic automatic CFCAR detection in Weibull background 基于mle的威布尔背景下订单统计量自动CFCAR检测
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227895
Souad Chabbi, T. Laroussi, M. Barkat
{"title":"MLE-based order statistic automatic CFCAR detection in Weibull background","authors":"Souad Chabbi, T. Laroussi, M. Barkat","doi":"10.1109/ACTEA.2009.5227895","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227895","url":null,"abstract":"In this paper, we address the problem of automatic target detection in Weibull clutter and multiple target situations, without any prior knowledge of neither the non stationary clutter statistics in which the radar operates nor the number of outliers that may be present in the reference window. In doing this, we develop the Forward and Backward Order Statistic Automatic Constant False Censoring and Alarm Rates Detectors based upon the Maximum Likelihood Estimator, MLE-based F/B-OSACDC-FCAR. The censuring and detection algorithms are a two in one built detector. They select repeatedly a suitable set of ranked cells among all reference cells surrounding the cell under test to estimate the unknown background level and set the adaptive threshold accordingly. The performance of these detectors is evaluated by means of Monte Carlo simulations.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128322689","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: 6
Shape and topology optimization of microwave components 微波元件的形状和拓扑优化
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227956
H. Khalil, S. Bila, M. Aubourg, D. Baillargeat, S. Verdeyme, F. Jouve
{"title":"Shape and topology optimization of microwave components","authors":"H. Khalil, S. Bila, M. Aubourg, D. Baillargeat, S. Verdeyme, F. Jouve","doi":"10.1109/ACTEA.2009.5227956","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227956","url":null,"abstract":"The design of advanced components for space and terrestrial telecommunications requires both sophisticated design methodologies and manufacturing technologies for improving current component performances. In particular, determining the optimal shape and size of a component is a problem of primary importance for microwave engineers. In order to improve the classical microwave filters, shape and topology optimization methods can be utilized together with numerical modeling methods. Topology gradient and level set methods are coupled here with the finite element method for optimizing the shape of dielectric resonators included in microwave filters.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132160231","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
Study of a signal propagation over a transmission line having a non-uniform topology 研究具有非均匀拓扑结构的传输线上的信号传播
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227893
G. Bousaleh, F. Hassoun, T. Ibrahim
{"title":"Study of a signal propagation over a transmission line having a non-uniform topology","authors":"G. Bousaleh, F. Hassoun, T. Ibrahim","doi":"10.1109/ACTEA.2009.5227893","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227893","url":null,"abstract":"After the deployment of broadband transmission in order to meet the requirements of the different applications of the Internet and multimedia data transmissions, ADSL systems (Asymmetric Digital Subscriber Line) are widely used. The PLC (Power Line Communication) is booming. To optimize the transmission of these systems, we should describe or diagnose the transmission medium. This support is typically a twisted copper pair or possibly a neutral phase transmission PLC. The defects on the lines do not alter the traditional telephony transmission, but starts presenting deviations with increasing frequency flow. The merge of high frequency power line transmission is generally accompanied with many propagation problems and attenuations due to the characteristics of the deployed systems and used cables. In fact any transmission line system presents variations in its geometry, causing modifications to the transmitted signal. This article presents a theoretical study that helps understand the transfer function of a cable with non-uniform geometry or defaults. Formalism is proposed in order to calculate the lumped parameters that vary as a function of the line's geometry. Then an approach of calculating these transfer functions is proposed.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124135793","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
Simulation of a steer-by-wire system using Flexray-based ECU network 基于flexray ECU网络的线控转向系统仿真
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227836
K. Chaaban, Patrick Leserf
{"title":"Simulation of a steer-by-wire system using Flexray-based ECU network","authors":"K. Chaaban, Patrick Leserf","doi":"10.1109/ACTEA.2009.5227836","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227836","url":null,"abstract":"This paper presents the development of an embedded architecture for a safety steer-by-wire system using a Flexray-based ECU network. The paper discusses the system architecture, redundancy of ECUs, sensors, actuators and their implementation. Safety keys are also addressed by considering hardware and software failures. First, the system is validated by simulation and then a partial implementation of the system is performed on a rapid control prototyping system for real tests.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127730012","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
Heat pump designing and optimization tool 热泵设计优化工具
2009 International Conference on Advances in Computational Tools for Engineering Applications Pub Date : 2009-07-15 DOI: 10.1109/ACTEA.2009.5227834
F. Fardoun, Mohammad A. Hajjar, Habib M. Fardoun
{"title":"Heat pump designing and optimization tool","authors":"F. Fardoun, Mohammad A. Hajjar, Habib M. Fardoun","doi":"10.1109/ACTEA.2009.5227834","DOIUrl":"https://doi.org/10.1109/ACTEA.2009.5227834","url":null,"abstract":"Heat pump systems can be found in high number of applications. These systems utilization include food preservation, heat removal from industrial processes such as chemical production, and numerous other special applications in the construction and manufacturing industries. Heat pump systems typically consist of many different components; each component may be produced by a different manufacturer. The operational data provided by the different manufacturers for each component is used by system designers to specify installation and operational procedures of the system. Often times, the optimum control of an individual piece of equipment results in sub-optimal system performance due to unforeseen interactions between the different system components. It is important to identify and monitor key parameters of the system, such as power consumption and refrigeration effect, in order to optimize the performance.","PeriodicalId":308909,"journal":{"name":"2009 International Conference on Advances in Computational Tools for Engineering Applications","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128535885","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
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