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Analysis and compensation for friction in electro-hydraulic servo system 电液伺服系统摩擦分析与补偿
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5768974
J. Cheng, Xiaoguang Wang
{"title":"Analysis and compensation for friction in electro-hydraulic servo system","authors":"J. Cheng, Xiaoguang Wang","doi":"10.1109/CECNET.2011.5768974","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5768974","url":null,"abstract":"Friction in the electro-hydraulic servo system makes tracking and pointing accuracy lower, it is one of the most important influence factors. This paper proposes a nonlinear adaptive friction compensation method based on analysis of the position-control system of valve-control asymmetrical hydraulic cylinder and the LuGre friction model. Dual nonlinear observers were constructed to estimate the friction state, which is unmeasurable in the electro-hydraulic servo system, and adaptive laws of friction parameters were built to compensate dynamic friction. Finally the application of Simulink has proven this method is validity.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129198323","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
Notice of RetractionCharacteristics and rebuilding of urban landscape of the Xuchang ancient city 关于徐昌古城城市景观特征与重建的通知
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5769459
Zhongxuan Li, Jiamei Huang
{"title":"Notice of RetractionCharacteristics and rebuilding of urban landscape of the Xuchang ancient city","authors":"Zhongxuan Li, Jiamei Huang","doi":"10.1109/CECNET.2011.5769459","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5769459","url":null,"abstract":"According to urban landscape of the social, cultural, ecological and economic value, This paper outlined the landscape of Xuchang ancient city, and discussed the historical and cultural landscape, including integration and reconstruction of district landscape, cultural landscape and ecological landscape. Xuchang ancient city was planned on basis of economic value, culture value, social value and ecologic value, which made a harmonious rebuilding in terms of methods such as frame construction, ante type protection, function enrichment, renewal system, figure creation, and space conformity. The rebuilding of urban image of historic city is not only a landscape problem, but also a problem under typical period and society, which plays an important role between the living standard improvement for local people and nature-history sustainability.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129209760","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
Analysis of outrigger trusses in hybrid structure 混合结构中支腿桁架的分析
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5769129
Jun Jiang, Jiping Hao
{"title":"Analysis of outrigger trusses in hybrid structure","authors":"Jun Jiang, Jiping Hao","doi":"10.1109/CECNET.2011.5769129","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5769129","url":null,"abstract":"This paper is concerned with the analysis of outrigger trusses in hybrid structure on a background of project. Several types of outrigger trusses are applied in a hybrid tall building to enhance the stiffness of structure and to weaken the abrupt change of inner force in strengthened stories. Comparing the effects of small size outrigger trusses and large size outrigger trusses under frequent earthquake, a new concept of outrigger, mixed outrigger, is proposed to ease the conflicts. The results of analysis indicate that the mixed outrigger trusses have significant advantages and can be utilized in hybrid tall buildings.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129284416","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
Study on crankshaft runout straightening position and it's runout testing system 曲轴跳动矫直位置及其跳动检测系统的研究
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5769460
Xiuzhi. Yang, X. Jia
{"title":"Study on crankshaft runout straightening position and it's runout testing system","authors":"Xiuzhi. Yang, X. Jia","doi":"10.1109/CECNET.2011.5769460","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5769460","url":null,"abstract":"The measurement of parameters of the crankshaft runout was implemented online. Then the runout data was processed by adopting the least square method and vector model transformation. The experiment shows that the tested result agrees with the real crankshaft deformation. The classifier for the crankshaft straightening position using LS-SVM was set up. The set classifying system is applied to the crankshaft fillet rolling intensity and straightening machine tool, which results in a good general performance.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130598080","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
Simulation and analysis of power cable fault and transient message for offshore wind farms 海上风电场电力电缆故障及暂态信息仿真分析
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5768562
Jun Li, Jun-qi Gao
{"title":"Simulation and analysis of power cable fault and transient message for offshore wind farms","authors":"Jun Li, Jun-qi Gao","doi":"10.1109/CECNET.2011.5768562","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5768562","url":null,"abstract":"In this paper, the submarine cable in offshore wind farm chosen as context and taking YJV32 XLPE insulate power cable as prototype, the submarine power cable model and power cable system fault simulation circuit is established with PSCAD/EMTDC by modulus analysis. At different neutral point grounding modes of transformer (direct grounding, low resistance grounding, petersen coil grounding and no grounding), the current waveform and zero-sequence current in power cable faults of single-phase-to-ground, double-phase-to-ground, three-phase-to-ground are completely simulated and analysed. The simulation result indicated that in different grounding modes, at the state of fault, the zero-sequence current waveform contains abundance of high-frequency information and distinct feature information.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130672560","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
Development and research on a new bearing replacer based on induction heating technolog 基于感应加热技术的新型轴承更换器的开发与研究
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5768516
Li Guofa, Ren Xiaoli, Yang Shuxiang
{"title":"Development and research on a new bearing replacer based on induction heating technolog","authors":"Li Guofa, Ren Xiaoli, Yang Shuxiang","doi":"10.1109/CECNET.2011.5768516","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5768516","url":null,"abstract":"On the basis of the theoretical analysis, this paper designed a new bearing replacer based on induction heating technique by finite element method. The regularities of the distribution of electromagnetic-thermal coupled field in the replacer, temperature changes with time course and expansion size in shaft and bearing inner race had been simulated during the course of induction heating. The FEM simulation results not only proved the existence of the eddy skin effect, but also achieved the design parameters of the replacer. By experimental verification, the replacer can realize fast disassembling of the bearing inner race, which assembled on an axle with interference fit.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123966783","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
Discussion on wastewater treatment model of rural areas in Beijing 北京市农村污水处理模式探讨
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5769239
Ying Li, Jing Zhou
{"title":"Discussion on wastewater treatment model of rural areas in Beijing","authors":"Ying Li, Jing Zhou","doi":"10.1109/CECNET.2011.5769239","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5769239","url":null,"abstract":"Wastewater treatment of rural areas in Beijing has been long progressed steadily, some available alternative plans of wastewater treatment model of rural areas in Beijing were put forward on the basis of field inspection and theoretical analysis, and combining program of wastewater treatment model of rural areas in Beijing, cite actual project cases to explain, at last, provide references for construction of sewage treatment facilities of rural areas in Beijing.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124186797","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
Research on the intramural thermoelectric generator for lower speed fluid 低速流体内部热电发电机的研究
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5768965
Zheng Zhang, Hongfu Zhou
{"title":"Research on the intramural thermoelectric generator for lower speed fluid","authors":"Zheng Zhang, Hongfu Zhou","doi":"10.1109/CECNET.2011.5768965","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5768965","url":null,"abstract":"The thermoelectric conversion with lower Renault number (Re) fluid, such as waste heat from industry boiler, and engine's circled cooling water, which can be designed as intramural generator structure. In this research, a thermoelectric project analysis model and the description of an intensified system are presented, its generator with the aligned or staggered platoon structure has strengthened heat-transfer property, and the heat convection coefficient ratio has increased times than plain tube; For the fluid kinetic energy's loss is influenced by the whirlpool, the pressure difference is several hundred Pa level which changes along with geometric parameters of transform components; what's more, heat transfer area increase distinctly under the same generator volume, which has built the foundation for the enhancement output electric power.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124214844","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
Calculating room acoustic parameters by finite element method 用有限元法计算室内声学参数
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5769206
Jiang Jieyi, Hu Kunpeng, Zhao Yuezhe
{"title":"Calculating room acoustic parameters by finite element method","authors":"Jiang Jieyi, Hu Kunpeng, Zhao Yuezhe","doi":"10.1109/CECNET.2011.5769206","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5769206","url":null,"abstract":"Room impulse response and the acoustical parameters of an actual room were calculated with acoustics finite element method using Comsol Multiphysics software. The procedure of calculating room impulse response and acoustic parameters were introduced. The calculated acoustics parameters up to octave bands of 500Hz were then compared with the field measured results. The FEM is proved to be a useful tool to predict the room acoustic parameters in low frequency range.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"10 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123311429","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
A banner ads searching and counting system for sports videos 体育视频的横幅广告搜索和计数系统
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet) Pub Date : 2011-04-16 DOI: 10.1109/CECNET.2011.5768189
Chueh-Wei Chang, Yu Hung Chang, Shio-Wen Chen
{"title":"A banner ads searching and counting system for sports videos","authors":"Chueh-Wei Chang, Yu Hung Chang, Shio-Wen Chen","doi":"10.1109/CECNET.2011.5768189","DOIUrl":"https://doi.org/10.1109/CECNET.2011.5768189","url":null,"abstract":"The ads exposure frequency in a TV is very important for the pricing of the advertising. If we count this exposure frequency by person, it will be very time consuming and error-prone. In this paper, we propose an approach and design a system for searching and counting the number of banner ads appearing in sports videos. The searching proceeds by matching feature points from pre-specified sample ads using the color histogram and the SURF (Speeded-Up Robust Features) algorithm. This searching approach can robustly identify objects among scaling and partial occlusion while achieving near real-time performance. This system worked effectively in our experiments using real videos.","PeriodicalId":375482,"journal":{"name":"2011 International Conference on Consumer Electronics, Communications and Networks (CECNet)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123364850","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
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