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On the model identification of an incubator based on genetic algorithms 基于遗传算法的培养箱模型辨识
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-05-10 DOI: 10.1109/SSD.2012.6198104
Yosra Miladi, M. Feki, N. Derbel
{"title":"On the model identification of an incubator based on genetic algorithms","authors":"Yosra Miladi, M. Feki, N. Derbel","doi":"10.1109/SSD.2012.6198104","DOIUrl":"https://doi.org/10.1109/SSD.2012.6198104","url":null,"abstract":"The aim of this paper is the modeling of the heating problem inside an incubator for newborns. The considered incubator has been offered by the neonatology center of the Universitary Hospital of Sfax; Tunisia. Two models has been identified. The first one is continuous and the second one is discrete. Parameters of these models have been optimised by genetic algorithms. Because of the non linearity of the model, two phases have been considered: the heating phase for an increasing of the temperature and the cooling phase for a decreasing of the temperature. Obtained models have been validated experimentally.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"29 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132394502","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: 4
Improving the filtering performance of the BDND algorithm in impulse noise removal 改进了BDND算法在脉冲噪声去除中的滤波性能
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-05-10 DOI: 10.1109/SSD.2012.6197995
I. Jafar, R. A. Namneh
{"title":"Improving the filtering performance of the BDND algorithm in impulse noise removal","authors":"I. Jafar, R. A. Namneh","doi":"10.1109/SSD.2012.6197995","DOIUrl":"https://doi.org/10.1109/SSD.2012.6197995","url":null,"abstract":"Switching median filters are very popular in the removal of impulse noise in digital images. The boundary discriminative noise detection (BDND) is shown to supersede existing algorithms especially under high noise densities. However, careful investigation of the filtering step in this algorithm reveals some problems that may affect the sharpness of the output image. In this paper, we propose two simple, yet effective modifications, to the filtering step in the BDND algorithm. The modifications loosen the condition on expanding the filtering window and incorporate the spatial information of pixels in the filtering operations. Experimental evaluation proved the effectiveness of the proposed modifications in producing sharper images than the BDND algorithm.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126369216","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
Synchronization of discrete-time hyperchaotic maps based on aggregation technique for encryption 基于聚合加密技术的离散时间超混沌映射同步
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6198041
Rania Linda Filali, S. Hammami, M. Benrejeb, P. Borne
{"title":"Synchronization of discrete-time hyperchaotic maps based on aggregation technique for encryption","authors":"Rania Linda Filali, S. Hammami, M. Benrejeb, P. Borne","doi":"10.1109/SSD.2012.6198041","DOIUrl":"https://doi.org/10.1109/SSD.2012.6198041","url":null,"abstract":"In this work, the proposed framework for the synchronization via a scalar signal, of two discrete-time hyperchaotic systems, based on the use of observer concept and aggregation technique, is applied, with success, to a two-channel secure communication system. Sufficient conditions for synchronization are obtained by the use of Borne and Gentina practical for stabilization study associated to the Benrejeb arrow form matrix for system description. Application of the proposed approach to hyperchaotic Hénon systems shows the efficiency of the proposed communication system to recover transmitted message.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124702778","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
The six-port technology: A low-cost concept for precise position measurements 六端口技术:精确位置测量的低成本概念
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6198100
A. Kölpin, G. Vinci, F. Barbon, S. Lindner, G. Fischer, R. Weigel
{"title":"The six-port technology: A low-cost concept for precise position measurements","authors":"A. Kölpin, G. Vinci, F. Barbon, S. Lindner, G. Fischer, R. Weigel","doi":"10.1109/SSD.2012.6198100","DOIUrl":"https://doi.org/10.1109/SSD.2012.6198100","url":null,"abstract":"Local positioning is a demanding task for industrial environments. With the help of six-port technology, a precise and easy to use concept for angle of arrival (AoA) and distance measurements will be presented in this publication. AoA resolution below 0.005° and resolving distances of 1μm for a 24 GHz six-port architecture will be shown by measurement results. Furthermore, impairments compensation issues and limitations of the technology will be discussed.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124983311","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
A 10-bit 50-MS/s charge injection pipelined ADC using a digital calibration 一个使用数字校准的10位50 ms /s电荷注入流水线ADC
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6198078
H. Mafi, H. Shamsi, R. Mohammadi, Ehsan Shami
{"title":"A 10-bit 50-MS/s charge injection pipelined ADC using a digital calibration","authors":"H. Mafi, H. Shamsi, R. Mohammadi, Ehsan Shami","doi":"10.1109/SSD.2012.6198078","DOIUrl":"https://doi.org/10.1109/SSD.2012.6198078","url":null,"abstract":"In this paper, a 10-bit 50-Msample/s pipelined ADC by using dynamic charge injection technique is presented. By the proposed scheme, the input voltage range is increased and power consumption is reduced. For the calibration of the output codes, a new method is presented which uses polynomial inverse function. By the use of the inverse function and simultaneously adjustment of both the weights of stages and coefficients of polynomials, linearity is achieved. The proposed ADC is designed and simulated in a 90-nm CMOS technology. Simulation results show that the ADC achieves a peak signal-to-noise-and-distortion ratio (SNDR) of 64 dB, a peak spurious-free dynamic range (SFDR) of 72.5 dB. The ADC's power consumption (without calibration circuitry) is 1 mW (without calibration circuitry).","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126030616","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
Three level fault tolerant DTC control for induction machine drives 感应电机驱动的三电平容错DTC控制
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6197989
H. Abdelghani, A. B. Abdelghani, I. Slama-Belkhodja
{"title":"Three level fault tolerant DTC control for induction machine drives","authors":"H. Abdelghani, A. B. Abdelghani, I. Slama-Belkhodja","doi":"10.1109/SSD.2012.6197989","DOIUrl":"https://doi.org/10.1109/SSD.2012.6197989","url":null,"abstract":"In the most of industrial applications, reliability of power electronics system is very important. Developing a remedial strategy to insure the continuity of the application when fault occurs is necessary. In this paper, a fault tolerant DTC strategy for induction machine 3 level NPC drives is proposed. With this control, after a power switch breakdown, continuity of service of the induction machine is insured. Simulation results prove the good performances of the proposed strategy for the machine variables (flux and torque) and for the converter power module ratings.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123586889","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
A PCA-based interpretation of ultrasonic data for accurately detecting a corridor wall 基于pca的超声数据解释，用于准确探测走廊墙壁
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6197922
N. Giannoccaro, L. Spedicato
{"title":"A PCA-based interpretation of ultrasonic data for accurately detecting a corridor wall","authors":"N. Giannoccaro, L. Spedicato","doi":"10.1109/SSD.2012.6197922","DOIUrl":"https://doi.org/10.1109/SSD.2012.6197922","url":null,"abstract":"This paper introduces a validated model for the ultrasonic detection by processing sensor data and it presents a new approach for evaluating the orientation of a regular wall. The method described is based on the Principal Component Analysis (PCA) which gives the opportunity to make some geometrical considerations on the effectiveness of the scanning results. Several experiments are conducted scanning a regular corridor wall and also propagating ultrasonic waves towards a wall opening. In every instance these tests permit to confirm the applicability of the new proposed strategy.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125348385","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
Application research based on modern-technology for transformer Health Index estimation 基于现代技术的变压器健康指数估计应用研究
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6198012
H. Malik, Abdul Azeem, R. Jarial
{"title":"Application research based on modern-technology for transformer Health Index estimation","authors":"H. Malik, Abdul Azeem, R. Jarial","doi":"10.1109/SSD.2012.6198012","DOIUrl":"https://doi.org/10.1109/SSD.2012.6198012","url":null,"abstract":"Diagnosis of power transformers becomes important due to the age of the transformer in service. Diagnosis methods can be separated in integral or differential methods. This paper describes a realistic Health Index formulation method for power transformers using readily available data. The method considers practical limitations on obtaining data, and the possible constraints on the parameters. This Health Index estimation considers not only typical test results such as dissolved gas analysis (DGA), oil quality, furan, and power factor, but also other parameters such as frequency response analysis (FRA), turn ratio, tap changer and bushing condition, physical observations, load history, maintenance work orders, and In-Service age of transformer. The calculation includes condition ratings, weighting factors, and assigned scores for specific condition parameters. By using a multi-criteria analysis approach, the method combines the various factors into a condition-based Health Index.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125389519","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: 23
Robust depth camera based multi-user eye tracking for autostereoscopic displays 基于鲁棒深度相机的多用户眼动追踪自动立体显示
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6198039
Li Li, Yanhao Xu, A. König
{"title":"Robust depth camera based multi-user eye tracking for autostereoscopic displays","authors":"Li Li, Yanhao Xu, A. König","doi":"10.1109/SSD.2012.6198039","DOIUrl":"https://doi.org/10.1109/SSD.2012.6198039","url":null,"abstract":"Autostereoscopic display systems require effective and continuous eye tracking techniques to provide fluent stereo vision experience to the users. This paper introduces an emerging framework for 3-D range image sensor based eye tracking in human-machine interactions. A novel approach to multi-user eye tracking based on generic depth cameras for autostereoscopic displays is presented. Depth and color image sequences generated by a single depth camera are used as system input. Depth image sequence is utilized for multi-user tracking. An eye localization algorithm of our previous work, which combines appearance and feature based methods using SVM classification to gain robustness, is adopted in this approach with optimizations. The experimental results demonstrate that the proposed method satisfy the requirements regarding multi-user eye tracking for autostereoscopic displays. In addition, through the comparison with state-of-the-art object tracking techniques our method provides superior results.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115061228","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
Modeling and simulation of a PWM rectifier inverter induction motor drive system implementing speed sensor less direct vector control 实现无速度传感器直接矢量控制的PWM整流逆变感应电机驱动系统的建模与仿真
International Multi-Conference on Systems, Sygnals & Devices Pub Date : 2012-03-20 DOI: 10.1109/SSD.2012.6197918
S. Khather
{"title":"Modeling and simulation of a PWM rectifier inverter induction motor drive system implementing speed sensor less direct vector control","authors":"S. Khather","doi":"10.1109/SSD.2012.6197918","DOIUrl":"https://doi.org/10.1109/SSD.2012.6197918","url":null,"abstract":"The paper describes control method for PWM rectifier-inverter induction motor drive. A control scheme is developed that uses stator flux oriented direct vector control (voltage source current controlled PWM inverter) for the induction motor and voltage source voltage controlled PWM rectifier to special configurations for harmonic reduction and unity power factor operation.","PeriodicalId":425823,"journal":{"name":"International Multi-Conference on Systems, Sygnals & Devices","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115545866","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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