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2010 12th Biennial Baltic Electronics Conference最新文献

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Teaching digital systems using a unified FPGA platform 数字教学系统采用统一的FPGA平台
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5629729
O. Vainio, E. Salminen, J. Takala
{"title":"Teaching digital systems using a unified FPGA platform","authors":"O. Vainio, E. Salminen, J. Takala","doi":"10.1109/BEC.2010.5629729","DOIUrl":"https://doi.org/10.1109/BEC.2010.5629729","url":null,"abstract":"This paper presents how the course syllabus for digital and computer systems education at our department has been adapted to utilize the same FPGA-based hardware platform in many laboratory exercises. The reform has been carried out in order to streamline the learning towards core content instead of studying multiple complex design software and hardware environments. Each student is given a package including an FPGA board and related design tools. In addition to the course exercises, the students are encouraged to use it also for thesis projects and hobbies. In this paper, we describe the syllabus, the key courses, and the platform used in education of microelectronic systems. Examples of completed thesis works are given.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117316856","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
Analog and mixed signal circuit and system ontology 模拟和混合信号电路及系统本体
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5629730
M. Talonen, J. Ryynanen
{"title":"Analog and mixed signal circuit and system ontology","authors":"M. Talonen, J. Ryynanen","doi":"10.1109/BEC.2010.5629730","DOIUrl":"https://doi.org/10.1109/BEC.2010.5629730","url":null,"abstract":"In this paper we describe initial steps that we have taken to create an open source machine processable ontology to store domain knowledge about the analog and mixed signal circuit and systems. It is seen that an openly available semantic knowledge base could be beneficial in distributing circuit and system domain knowledge. This knowledge could be used to leverage productivity of the early phase architectural exploration by having easier access to review implementation domain. Main design goals for the ontology has been interoperability issues and transparency and re-usability of the described data. This is guaranteed by using standard knowledge representation language with well defined semantics and by associating all of the data in the ontology to the corresponding reference by using annotations.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"479 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120897499","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
An embedded stereovision system: Aspects of measurement precision 嵌入式立体视觉系统:测量精度方面
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5630305
Jan Pohanka, O. Pribula, J. Fischer
{"title":"An embedded stereovision system: Aspects of measurement precision","authors":"Jan Pohanka, O. Pribula, J. Fischer","doi":"10.1109/BEC.2010.5630305","DOIUrl":"https://doi.org/10.1109/BEC.2010.5630305","url":null,"abstract":"Computational performance of embedded systems heavily increased during last decade and tasks, which used to have a real time solution only in PC based vision systems are being ported to stand alone devices. One of the typical demanding vision tasks is 3D vision. This work describes design of a simple embedded stereo vision sensor - smart camera that can be used for spatial measurement. The system consists of a single core DSP processor and can work in several different setups because of its modular conception. The camera performs all computations itself and it is able to transmit the measurement results to a master unit using various interfaces including USB 2.0 High Speed and ethernet. Basic aspects influencing the overall accuracy of 3D position measurement are discussed in the contribution. This work is primarily focused on a simple task of object position evaluation in 3D. The problem is significantly simplified by utilizing an easily detectable object marker. Having realized the basic measurement we have shown that the overall position measurement precision nonlinearity is better than 0.5% from the full range (1000 mm). The aspects influencing the measurement accuracy and repeatability of measurement are also discussed.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"403 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132930191","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
The means of the differential amplifier input offset voltage reduction 差分放大器输入偏置电压降低的方法
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5629805
A. Baskys
{"title":"The means of the differential amplifier input offset voltage reduction","authors":"A. Baskys","doi":"10.1109/BEC.2010.5629805","DOIUrl":"https://doi.org/10.1109/BEC.2010.5629805","url":null,"abstract":"The input offset voltage of the differential amplifier based on the bipolar junction transistors, which operate at high current density, is analysed in this work. An analytical approach based on the equations in the explicit form is used to determine the input offset voltage reduction means. The obtained results are tested using numerical simulation of the differential amplifier.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125700078","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 effect of converter control method to characteristics of traction drive 换流器控制方式对牵引传动特性的影响
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5630880
R. Dolecek, Z. Nemec, O. Černý, J. Novak
{"title":"The effect of converter control method to characteristics of traction drive","authors":"R. Dolecek, Z. Nemec, O. Černý, J. Novak","doi":"10.1109/BEC.2010.5630880","DOIUrl":"https://doi.org/10.1109/BEC.2010.5630880","url":null,"abstract":"The paper brings torque, power and efficiency analyses of the traction drive with permanent magnet synchronous motor (PMSM) during flux weakening operation. There is one way to weak flux of rotor permanent magnets - armature reaction caused by negative flux producing current component. On the other hand, the flux producing current component increases total RMS value of stator current. This effect has influence on losses and efficiency of PMSM. The paper investigates power, efficiency, torque and current characteristics in various operation points of PMSM drive.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123155532","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
Wireless short-range device for wind generators 用于风力发电机的无线短距离装置
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5630792
Tingcong Ye, D. Vasudevan, Jiaoyan Chen, E. Popovici, Michel Schellekens
{"title":"Wireless short-range device for wind generators","authors":"Tingcong Ye, D. Vasudevan, Jiaoyan Chen, E. Popovici, Michel Schellekens","doi":"10.1109/BEC.2010.5630792","DOIUrl":"https://doi.org/10.1109/BEC.2010.5630792","url":null,"abstract":"Cooperation of small generation units within distributed generation system or micro-grid require solving many communication, control and data transmission problems. A wind energy conversion system (WECS) with squirrel cage induction generator (SCIG) and a full-scale power converter is considered in present paper. Application of wireless communication in WECS is discussed in the paper. Some experimental results are presented.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120877831","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
Rail-to-rail CMOS opamp with stabilized operating point 工作点稳定的轨对轨CMOS运放
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5631558
P. Gartner, H. Richter
{"title":"Rail-to-rail CMOS opamp with stabilized operating point","authors":"P. Gartner, H. Richter","doi":"10.1109/BEC.2010.5631558","DOIUrl":"https://doi.org/10.1109/BEC.2010.5631558","url":null,"abstract":"The paper presents a new solution to achieve rail-to-rail common mode input voltage swing for CMOS operational amplifiers. The common mode input range of a MOS differential stage is limited by the threshold voltage of the input transistors. With a pair of complementary input stages the whole range from GND to VDD can be covered. Their drain currents are summed up but the resulting current as well as the DC voltage of the summing node drastically change when one of the input stages turns off near the power rails. The new method applies a built-in feedback loop with an auxiliary opamp for stabilizing the voltage at the summing node. This way a very stable operating point and ideal CMRR can be assured. With selected transistor aspect ratios nearly constant voltage gain can be achieved for the whole common mode input voltage range.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115435239","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
Neural Network based system for real-time organ recognition by analysis of sequence of endoscopic images received during surgical operation 基于神经网络的实时器官识别系统，通过分析手术过程中收到的内窥镜图像序列
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5630663
I. Artemchuk, E. Petlenkov, F. Miyawaki, A. Gładki
{"title":"Neural Network based system for real-time organ recognition by analysis of sequence of endoscopic images received during surgical operation","authors":"I. Artemchuk, E. Petlenkov, F. Miyawaki, A. Gładki","doi":"10.1109/BEC.2010.5630663","DOIUrl":"https://doi.org/10.1109/BEC.2010.5630663","url":null,"abstract":"This paper designs two Neural Network (NN) based systems for distinguishing and real-time recognition of internal organs on sequence of endoscopic images during abdominal surgery. First NN-based system proposed in this paper is designed for recognition of several different internal organs on color endoscopic images. Second NN-based system is designed for real-time recognition of presence of a particular internal organ on a sequence of color images (video stream) from endoscope. Restricted connectivity structure of the network makes possible decomposition of the image during the analysis and significantly reduces the number of parameters thus making training easier, faster and more accurate. The algorithms proposed in the paper are implemented in software application and their effectiveness is demonstrated on simulations.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129519590","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
Reference voltage generation in high-speed pipelined Analog-to-Digital Converters 高速流水线模数转换器中的参考电压产生
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5630909
Tero Nieminen, K. Halonen
{"title":"Reference voltage generation in high-speed pipelined Analog-to-Digital Converters","authors":"Tero Nieminen, K. Halonen","doi":"10.1109/BEC.2010.5630909","DOIUrl":"https://doi.org/10.1109/BEC.2010.5630909","url":null,"abstract":"In this paper, the most critical reference voltage generation issues in high-speed (several hundreds of MSamples/s) pipelined Analog-to-Digital Converters (ADC) are discussed. Due to inductance of the bonding wires, large on-chip filtering capacitors are needed for stable references, when the generation is done off-chip. Through the simulations it is illustrated how the bonding wire inductances and amount of on-chip capacitance affects on the ADC performance (effective number of bits, ENOB). Effect of an additional 50-pF close-to-chip filtering capacitance is verified experimentally.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"362 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131434853","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
Source follower as filter block 源从动器作为过滤块
2010 12th Biennial Baltic Electronics Conference Pub Date : 2010-11-11 DOI: 10.1109/BEC.2010.5629806
F. Abu Bakar, K. Halonen
{"title":"Source follower as filter block","authors":"F. Abu Bakar, K. Halonen","doi":"10.1109/BEC.2010.5629806","DOIUrl":"https://doi.org/10.1109/BEC.2010.5629806","url":null,"abstract":"Advantages of source follower based filters are discussed. The non-unity voltage gain of source follower and its effect to frequency response of a filter, as well as tuning capability due to gmb are presented base on source follower based structure from previous literature [1]. The practical feasibility to be implemented in high frequency is also analysed from the transfer function of the referred structure.","PeriodicalId":228594,"journal":{"name":"2010 12th Biennial Baltic Electronics Conference","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131782141","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
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