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Preparation and magnetic properties of silane modified Ni-Zn ferrite and its epoxy composites 硅烷改性镍锌铁氧体及其环氧复合材料的制备及磁性能研究
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949119
Yanmin Wu, Pengli Zhu, R. Sun
{"title":"Preparation and magnetic properties of silane modified Ni-Zn ferrite and its epoxy composites","authors":"Yanmin Wu, Pengli Zhu, R. Sun","doi":"10.1109/ICINFA.2011.5949119","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949119","url":null,"abstract":"Ni-Zn ferrite/epoxy composites were investigated for embedded inductors. Ni-Zn ferrite power was prepared by a chemical coprecipitation method, and then modified with γ-glycidoxypropyl trimethoxysilane (KH-560). The unmodified ferrite was characterized by a powder X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The XRD curve showed that the ferrite was typical spinel structure, and the measuring result of the VSM indicated that the initial permeability of the ferrite was about 1225.03. The magnetic epoxy composites were respectively fabricated by mixing the modified or unmodified ferrite and epoxy resin. The composites made from the modified-ferrite exhibited better dispersion than that from the unmodified. Magnetic properties of composites were measured by Agilent E 4991 A. The results showed that the permeability of the epoxy composite was rising from 1.4 to 2.1 with the mass fraction of the ferrite increasing in the composite from 30% ∼ 70%, and magnetic loss was low.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132093002","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
Distortion modeling of active-RC lossy integrator by Volterra series method 基于Volterra级数法的有源rc有损积分器畸变建模
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949036
Y. Miao, Yuxing Zhang
{"title":"Distortion modeling of active-RC lossy integrator by Volterra series method","authors":"Y. Miao, Yuxing Zhang","doi":"10.1109/ICINFA.2011.5949036","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949036","url":null,"abstract":"In this paper, the distortion of an active-RC lossy integrator is modeled by using Volterra series method. The opamp used in the integrator is divided into different nonlinear stages and their nonlinear coefficients are obtained easily by calculating the Volterra kernel of corresponding stage. The rules of cascade connection and feedback in Volterra method are employed to derive the distortion factors. The results obtained in the paper are suitable to investigate the distortion behaviors of the active-RC lossy integrator quickly. The accuracy of this modeling was verified by comparing the theoretical results with transistor level simulation.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132247285","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
Backstepping tracking control for a class of discrete-time nonlinear systems in pure-feedback form 一类纯反馈形式离散非线性系统的反步跟踪控制
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949055
Hua Meng, Zhan-tao Zhang, Shaoqing Wei
{"title":"Backstepping tracking control for a class of discrete-time nonlinear systems in pure-feedback form","authors":"Hua Meng, Zhan-tao Zhang, Shaoqing Wei","doi":"10.1109/ICINFA.2011.5949055","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949055","url":null,"abstract":"In this paper, a new control scheme is proposed for a class of pure-feedback nonlinear discrete-time systems by using backstepping technique. This problem is considered difficult to be dealt, mainly because that the triangular structure of pure-feedback systems has no affine appearance of the variables to be used as virtual controls. After the pure-feedback form is transformed into a cascade form, the feedback tracking controller is developed by using backstepping procedure. Under appropriate assumptions, the closed-loop nonlinear discrete-time system is uniformly ultimately bounded. The stability of the close-loop system is proved based on Lyapunov theorem. Simulation studies are conducted to illustrate the effectiveness of the proposed approach.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130043835","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 design and implementation of Feature-Grading recommendation system for e-commerce 电子商务特征分级推荐系统的设计与实现
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5948994
Luo Yi, Fan Miao, Xiaoxia Zhou
{"title":"The design and implementation of Feature-Grading recommendation system for e-commerce","authors":"Luo Yi, Fan Miao, Xiaoxia Zhou","doi":"10.1109/ICINFA.2011.5948994","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5948994","url":null,"abstract":"In this paper we present a novel approach named Feature-Grading which is a comprehensive algorithm used to make recommendation of commodities in e-commerce business. It is a technique based on the integration of feature mining, sentimental analysis, and the records of customer historical behaviors. The overall process of Feature-Grading can be separated into 5 key steps: 1.Extracting overall feature set of a group category of commodities; 2.Extracting modifier set and negative words set; 3.Acquiring specific feature set and feature assessment set; 4.Acquiring specific feature weight set; 5.Acquiring item weight set. After these 5 steps, we are able to grade and rank all the items with an acquired grading equation. Then the needed as well as top ranking items can be recommended. Moreover, we utilize the real information of mobiles and their reviews from the famous e-commerce website Amazon.cn as our experimental data and discuss some important results which reveal that the Feature-Grading really works well. At last, we also briefly introduce the prototype recommendation system we developed on the basis of Feature-Grading.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128573229","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
An analysis of the effect of bit error ratio on signal reconstruction error 误码率对信号重构误差的影响分析
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949028
Y. Miao, Haiyan Wang, Xuan Wang, Wan-zheng Ning, Yuan Zeng
{"title":"An analysis of the effect of bit error ratio on signal reconstruction error","authors":"Y. Miao, Haiyan Wang, Xuan Wang, Wan-zheng Ning, Yuan Zeng","doi":"10.1109/ICINFA.2011.5949028","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949028","url":null,"abstract":"When compressed sensing technology is applied to underwater acoustic communication system, signal reconstruction error will be affected more or less by bit error ratio (BER). In this essay, random number of statistics, which obeys the law of standard normal distribution, is used to simulate the generation of bit error. Using the same reconstruction algorithm, reconstruction error with bit error and reconstruction error without bit error are compared. The result of the simulation shows that signal reconstruction error with a bit error ratio of 10−2 is 4 times as much as signal reconstruction error without bit error ratio.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134451170","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
Active pedestrian following using laser range finder 主动行人跟踪使用激光测距仪
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949082
Chin-Lung Chen, Chih-Chung Chou, Feng‐Li Lian
{"title":"Active pedestrian following using laser range finder","authors":"Chin-Lung Chen, Chih-Chung Chou, Feng‐Li Lian","doi":"10.1109/ICINFA.2011.5949082","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949082","url":null,"abstract":"People tracking and following has become an increasingly popular research topic in recent years. In this paper, two target following methods are proposed and compared. The first is an intuitive method, it sets a pseudo goal further away than the actual target location and use obstacle avoidance algorithm to reach the pseudo goal. The second method uses heuristic search to find a trajectory which can maximize target visibility and minimize the distance between robot and target at the same time. Experimental results show that the proposed trajectory optimization method greatly outperforms the intuitive approach.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121946060","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
The input characteristic and stability analyse of inverter with induction motor 感应电机逆变器的输入特性及稳定性分析
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949058
Shaobo Kang, Yao-hua Luo, J. You, Shijia Lv
{"title":"The input characteristic and stability analyse of inverter with induction motor","authors":"Shaobo Kang, Yao-hua Luo, J. You, Shijia Lv","doi":"10.1109/ICINFA.2011.5949058","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949058","url":null,"abstract":"The connection of an inverter-motor-drive system and a rectifier may lead to instability of the DC-link voltage. As the small signal technology is an important method to the cascaded system, the input impedance of the inverter-motor-drive system and its impact on the system stability are studied. Then the effect of the input impedance was analysis from d-axis rotor flux, load torque and DC-link voltage and some conclusions useful to improve the input impedance and make the cascaded system stable were obtained. Simulation results demonstrate the correctness of the theoretical analysis.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125858211","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
Study of EMS statements production and dispatcher simulation training for regional smart grid 区域智能电网EMS报表生成及调度员仿真培训研究
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949117
Xilin Zhang, Fan Zhang, Xiaojuan Han, Shuo Wang
{"title":"Study of EMS statements production and dispatcher simulation training for regional smart grid","authors":"Xilin Zhang, Fan Zhang, Xiaojuan Han, Shuo Wang","doi":"10.1109/ICINFA.2011.5949117","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949117","url":null,"abstract":"From the characteristics in regional grid, the connotation of smart grid and the change of regulation and control integrated management after meeting the requirement of operating monitoring and scheduling management in regional smart grid, statements production of EMS and simulation training of dispatcher in the region smart grid were discussed in this paper.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"22 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123506364","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
Image segmentation via multi-scaled belief propagation 基于多尺度信念传播的图像分割
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949123
Shifeng Chen, Yu Qiao
{"title":"Image segmentation via multi-scaled belief propagation","authors":"Shifeng Chen, Yu Qiao","doi":"10.1109/ICINFA.2011.5949123","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949123","url":null,"abstract":"Image segmentation plays an important role in computer vision and image analysis. In this paper, we develop a novel algorithm which can automatically segment an image into regions with relative uniform texture or color without the need to decide the region number in advance. In this work, the segmentation is formulated as a labeling problem in the Markov random fields (MRFs) model. An efficient multi-scale belief propagation (BP) algorithm is used to find the solution to the MRF estimation. Extensive experiments have shown the effectiveness of our approach.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130083120","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
Semi-supervised temporal-spatial filter based on MRP for brain-computer interfaces 基于MRP的脑机接口半监督时空滤波
2011 IEEE International Conference on Information and Automation Pub Date : 2011-06-06 DOI: 10.1109/ICINFA.2011.5949048
Jun Lv, Lei Wang
{"title":"Semi-supervised temporal-spatial filter based on MRP for brain-computer interfaces","authors":"Jun Lv, Lei Wang","doi":"10.1109/ICINFA.2011.5949048","DOIUrl":"https://doi.org/10.1109/ICINFA.2011.5949048","url":null,"abstract":"In brain-computer interface (BCI) studies, if the number of training trails is small, the discriminative patterns of movement related potentials (MRPs) can not be appropriately extracted by temporal-spatial filter (TSF) algorithm. Thus in this paper, we proposed a semi-supervised TSF (ssTSF) algorithm which employed self-training scheme to induce the unlabelled trails with high confidences and learn the discriminative patterns of MRPs iteratively. We compared TSF and ssTSF algorithm on the data from BCI competition I. The results demonstrated the effectiveness of the ssTSF, especially for small training sets.","PeriodicalId":299418,"journal":{"name":"2011 IEEE International Conference on Information and Automation","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127519884","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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