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PR-MAC A Priority Reservation MAC Protocol For Wireless Sensor Networks 无线传感器网络的优先级保留MAC协议
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287318
A.M. Firoze, L.Y. Ju, L. Kwong
{"title":"PR-MAC A Priority Reservation MAC Protocol For Wireless Sensor Networks","authors":"A.M. Firoze, L.Y. Ju, L. Kwong","doi":"10.1109/ICEE.2007.4287318","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287318","url":null,"abstract":"Wireless sensor networks are very application specific and have to be developed according to the requirements of a particular problem. They are usually deployed in harsh and mobile environments, with tasks ranging from just collecting environment readings to highly crucial tasks like tracking an enemy vehicle. This means the sensor networks can monitor or sense a very wide range of parameters and tasks. However, all these measurements and events that are read by the sensors are never of equal importance. So we propose PR-MAC, which provides a scheme in which we prioritize the events that are being recognized. Our aim is to design a MAC layer protocol which would reduce the delay of transmitting high priority tasks or measurements.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115317377","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: 31
Analysis of Spot Prices Arrangements in Deregulated Electricity Market 放松管制下电力市场现货价格安排分析
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287343
Tehzeb-ul-Hassan, A. Haral, M. Aslam
{"title":"Analysis of Spot Prices Arrangements in Deregulated Electricity Market","authors":"Tehzeb-ul-Hassan, A. Haral, M. Aslam","doi":"10.1109/ICEE.2007.4287343","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287343","url":null,"abstract":"The absence of central coordination in deregulated electricity markets sets a new range of challenges to their organization and functioning. Although a lot of academic research has been done in the recent years on these topics, contributions and discussions tend to stay within a single field of policy analysis. The fundamental factors in the operation of electrical power systems, at a macro level, are distribution of the operation parameters over vast areas, dominance of human factors and high dimensionality of the problem. Distributed economic operation is a new area of research. This paper extends that research to the management of information distributed in the power network to make it useful for short term economic operation.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121186144","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
Some Observations on Multiplicity and Operating/Processing Modes of PC Loads with UPS 带UPS的PC负载的多样性和运行/处理方式的一些观察
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287325
A.K. Singh, G. Singh, R. Mitra
{"title":"Some Observations on Multiplicity and Operating/Processing Modes of PC Loads with UPS","authors":"A.K. Singh, G. Singh, R. Mitra","doi":"10.1109/ICEE.2007.4287325","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287325","url":null,"abstract":"Presently computer loads and systems are extensively used almost in every field of daily life, where computers have to play very important and decisive role like healthcare, banking, safety systems etc. These critical facilities rely on uninterruptible power supply (UPS) to maintain a continuous supply of power, during power failure and to provide reliable service. The UPS supplies the mean power to PC load connected to it, but this combination of LIPS and PC load works as a harmonic source. This paper reports some experimental measurement results about harmonic currents generated by single and multiple personal computer (PC) loads connected with UPS, as in most practical conditions the UPS is found connected to PC load. Furthermore, to investigate the impact of UPS connected with PC load, a comparative study is also presented, where measurements are taken under two different conditions, i.e. PC load without UPS and with UPS. Two processing modes are investigated, i.e. idle mode, and hard disc drive (HDD) processing mode. The measurements taken for these two processing modes are combined with two different conditions of monitor status: with monitor power ON and with monitor power OFF. Parameters considered for investigation are mis load current, its harmonic distortion, power consumption and harmonic spectrum of load current. Attenuation of harmonic components due to multiplicity of PC load is also studied.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121349471","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
The Compensation of Head Motion Artefacts using an Infrared Tracking System for CT (Computerized Tomography) Imaging 利用红外跟踪系统对CT(计算机断层扫描)成像的头部运动伪影进行补偿
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287347
S. Zafar, W. Younis, N. M. Sheikh
{"title":"The Compensation of Head Motion Artefacts using an Infrared Tracking System for CT (Computerized Tomography) Imaging","authors":"S. Zafar, W. Younis, N. M. Sheikh","doi":"10.1109/ICEE.2007.4287347","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287347","url":null,"abstract":"During the acquisition of image data in X-ray CT scanner, the motion of patient degrades the image quality and can lead to erroneous diagnosis. We developed a technique to remove the artefacts due to head motion during brain CT scanning. The motion of head was modelled as rigid body motion. We simulated the CT data of a moving phantom and recorded the motion information. The motion information was used to correct the CT data (sinogram) before reconstructing the image from it. The images reconstructed from this corrected sinogram were free of motion artefacts. This technique is expected to work successfully for the brain CT scanning. The motion information can be collected by an infrared motion tracking system.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125208899","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 on System Verification of USB2.0 Interface Protocol Control Chip Hardware Design USB2.0接口协议控制芯片硬件设计的系统验证研究
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287341
B. Xiaoping, Shenlei
{"title":"Study on System Verification of USB2.0 Interface Protocol Control Chip Hardware Design","authors":"B. Xiaoping, Shenlei","doi":"10.1109/ICEE.2007.4287341","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287341","url":null,"abstract":"USB 2.0 has become a kind of mainstream interface technology and USB 2.0 IP core system has wide application foreground in all kinds of instrumentations and devices. Universal Serial Bus 2.0 system consists of host control chip and equipment interface control chip, i.e. peripheral devices chip. The traditional USB developing is only to develop USB peripheral devices. Peripheral device chips consist of USB2.0 transceiver macrocell interface (UTMI) circuits and interface protocol control circuits. On developing USB2.0 equipment interface control chip IP core, some hardware codes of designed peripheral devices chip need be validated, which can be completed by self-designed UTMI codes. But this simulation validating process will become very complex because self-designed UTMI codes are not always correct. In addition, this kind of simulation validation system also needs a host. Combining with actual project, this paper presents a set of detailed methods to design a validation system for simulating all kind of signal of USB2.0 interface protocol circuits, proposed methods were involved with configuring circumstance, designing test modules, processing signal transmission, developing additional tasks, introducing presented actual verification method for some main signal packages and correlative verification output results, and etc. Simulation verification results show these methods are valid, so can offer the reference for development of USB2.0 system in all kinds of electronics instrumentations.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133966943","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
Voltage Sag Estimation in Radial Distribution Systems with Limited Monitoring Points 有限监测点下径向配电系统电压暂降估计
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287311
Y.R. Gahrooyi, M. Golkar
{"title":"Voltage Sag Estimation in Radial Distribution Systems with Limited Monitoring Points","authors":"Y.R. Gahrooyi, M. Golkar","doi":"10.1109/ICEE.2007.4287311","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287311","url":null,"abstract":"This paper presents a new method to obtain voltage sag indices in radial distribution systems. Since it is impossible to measure the sag level at every node of a distribution feeder, estimation of sag characteristics at unmetered nodes becomes necessary. This method estimates the voltage sages in unmetered buses and feeders by using the information of limited monitoring points of radial distribution systems (final points +1). The method is applicable and conforms to available instrumentation technology.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134184406","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
Misfire Detection Using a Neural Network Based Pattern Recognition Technique 基于神经网络模式识别技术的失火检测
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287338
A. Ali, O. Magnor, M. Schultalbers
{"title":"Misfire Detection Using a Neural Network Based Pattern Recognition Technique","authors":"A. Ali, O. Magnor, M. Schultalbers","doi":"10.1109/ICEE.2007.4287338","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287338","url":null,"abstract":"This contribution investigates the practical application of artificial neural networks to misfire detection in gasoline engines.The problem of misfire detection is formulated as a pattern recognition problem. A feed-forward multiple-layer neural network is used for the classification of firing and misfiring events. Emphasis is given on the trade-off between performance, computational cost and implementabilitv of the technique on a production electronic control unit (ECL). The developed technique is applied to a six cylinder gasoline engine to detect misfire events over the whole range of operation defined by official on board diagnosis (OBD) regulations. Experimental results on a passenger car are presented.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"354 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115924921","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
A Novel C-Band Single Diode Mixer with Ultra High LO/RF and LO/IF Isolation 一种具有超高LO/RF和LO/IF隔离的新型c波段单二极管混频器
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287326
A. Maalik, Z. Mahmood
{"title":"A Novel C-Band Single Diode Mixer with Ultra High LO/RF and LO/IF Isolation","authors":"A. Maalik, Z. Mahmood","doi":"10.1109/ICEE.2007.4287326","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287326","url":null,"abstract":"A novel single diode mixer with ultra high LO/RF, LO/IF isolation and having a reasonably good conversion loss has been designed. RF and LO signals are applied through bandpass and lowpass filters respectively. The mixer operates in C-Band and downconverts a Hock of frequencies (5.925 GHz -6.425 GHz) to a block of frequencies (3.7 GHz - 4.2 GHz) using a fixed frequency local oscillator at 2.225 GHz. The proposed mixer structure achieves double balanced functionality with a single diode and obviates the need for RF and LO baluns. The measured conversion loss ranges from 8 -10 dB and port isolations are in excess of 60 dB.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123004278","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
Simulation of Pulse Propagation in a Bire-Fringent Medium using Adaptive Step Size Method 用自适应步长法模拟脉冲在双条纹介质中的传播
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287287
M. Iqbal, Z. Zheng
{"title":"Simulation of Pulse Propagation in a Bire-Fringent Medium using Adaptive Step Size Method","authors":"M. Iqbal, Z. Zheng","doi":"10.1109/ICEE.2007.4287287","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287287","url":null,"abstract":"Nowadays mostly single mode fibers are in use. Even a single mode fiber comprises of two modes, an input pulse is splitted along fast axis (x-axis) and slow axis (y-axis). The splitting of single pulse into two pulses and being propagated at suitable intensities inside a single mode fiber makes it undergo various non-linear phenomena. Proper management of the above mentioned non-linear phenomenon can make them useful for the communication systems. One very important phenomenon is utilization of Kerr effect into a fast saturable absorber action. The fast saturable absorber action can be utilized to formulate a self starting passively mode locked ring fiber laser. Study of pulse propagation in birefringent medium has been carried out using adaptive step size method Adaptive step size method is proven for efficient and accurate results.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125428116","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
A Heuristic Tree Algorithm with a Revocation Based GA for Test Pattern Generation of VLSI Circuits 基于撤销遗传算法的启发式树算法在VLSI电路测试图生成中的应用
2007 International Conference on Electrical Engineering Pub Date : 2007-04-11 DOI: 10.1109/ICEE.2007.4287335
M. A. Rad, S.M. Eshgh
{"title":"A Heuristic Tree Algorithm with a Revocation Based GA for Test Pattern Generation of VLSI Circuits","authors":"M. A. Rad, S.M. Eshgh","doi":"10.1109/ICEE.2007.4287335","DOIUrl":"https://doi.org/10.1109/ICEE.2007.4287335","url":null,"abstract":"Increasing complexity of VLSI circuits has led to a progressive need for an efficient test generation method that ensures a fault-free performance of the circuit-under-test. The revocation based genetic algorithm which we suggested before had resulted in higher fault coverage and shorter computational time in comparison with previous test pattern generation systems. In this paper we suggest a new heuristic tree algorithm for test pattern generation which works in combination with the revocation based genetic method. Simulations done on ISCAS'85 benchmarks confirm the efficiency of the algorithm and its significant promotion in comparison with the GAs and other previous test pattern generation methods.","PeriodicalId":291800,"journal":{"name":"2007 International Conference on Electrical Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129962733","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
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