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2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control最新文献

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Simulation and Evaluation Models of Aircraft Power Supply System Based on Simulink /LabVIEW 基于Simulink /LabVIEW的飞机电源系统仿真与评估模型
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.25
Chang Wang, Jian Huang
{"title":"Simulation and Evaluation Models of Aircraft Power Supply System Based on Simulink /LabVIEW","authors":"Chang Wang, Jian Huang","doi":"10.1109/IMCCC.2014.25","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.25","url":null,"abstract":"Nowadays, aircraft power supply system develops towards multi-electrical direction and digital simulation technology has been widely used. How to rapidly and accurately evaluate the simulation model plays an important role in improving its quality and needs further investigation. In this paper, simulation and evaluation models of aircraft power supply system was studied. Firstly, performance parameters and standards assessing power supply system were confirmed based on GJB181A-2003. A platform evaluating aircraft power supply system was built by means of LabVIEW software. Then, a power supply system simulation model using Simulink platform was built to validate designed evaluation model. Finally, physical prototype test and assessment test of the simulation model verified the feasibility and effectiveness of this evaluation model.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"36 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120890873","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
Comparison of Direct Current Control and Direct Power Control Using SVPMW Modulation 采用SVPMW调制的直流控制与直接功率控制的比较
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.197
Yangjie Zhang, X. Gui, Ming Yang, Dianguo Xu
{"title":"Comparison of Direct Current Control and Direct Power Control Using SVPMW Modulation","authors":"Yangjie Zhang, X. Gui, Ming Yang, Dianguo Xu","doi":"10.1109/IMCCC.2014.197","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.197","url":null,"abstract":"This paper describe two PWM rectifier control using fixed-frequency SVPWM modulation. They are direct current control and direct power control based on the active and reactive power calculating. Comparative analyses are presented in the response speed, stability and harmonic content. It shows that direct current control system responses faster and is more stable. Total harmonic distortion value of direct current control is smaller. The reason that direct current control performs better is that there is feed forward decoupling in the system, thus it exhibits excellent features.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115947790","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
Green AP Dynamic and Adaptive Control Algorithm 绿色AP动态自适应控制算法
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.69
Ma Lin, Zheng Xiuming, Qin Danyang, Lu Yang
{"title":"Green AP Dynamic and Adaptive Control Algorithm","authors":"Ma Lin, Zheng Xiuming, Qin Danyang, Lu Yang","doi":"10.1109/IMCCC.2014.69","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.69","url":null,"abstract":"Wireless local networks (WLANs) are being deployed rapidly all over the world, which often contain large numbers of idle APs. The purpose of Green WLAN is to reduce the energy consumption without compromising the quality of service for end-users. In this paper, a dynamic and adaptive control algorithm of AP is proposed in order to save energy and prolong the service lives of APs. It includes AP selection which is solved with genetic algorithm and aimed to guarantee the whole coverage of WLAN, AP clustering, and the dynamic control algorithm of AP. Then simulation is operated on a virtual WLAN of high-density. The result shows that the dynamic and adaptive control algorithm of AP can indeed save much energy and improve the use efficiency of APs.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116701864","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 Practical Design of Phase-Locked Amplifier 锁相放大器的实用设计
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.130
Liu Bo, Chen Yue, Liao Zhenyu
{"title":"A Practical Design of Phase-Locked Amplifier","authors":"Liu Bo, Chen Yue, Liao Zhenyu","doi":"10.1109/IMCCC.2014.130","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.130","url":null,"abstract":"In order to extract weak sensing signal, a practical lock-in amplifier circuit is designed. By generating two orthogonal reference signals multiplied by the measured signal after lowing noise amplifier and anti-aliasing filter, then through the low pass filter and mean square root calculation for weak signal extraction. A kind of square wave multiplier based on changes is also applied to achieving multiply operation of wide dynamic range, DC drift of small and high linearity and making the extraction of signal with higher accuracy. The test results indicate that the design not only improves the accuracy of the signal and makes the circuit structure simple, but also reduces the requirements of element consistency and the problems of the general amplifier which needs to be predictive that measured signal and the reference signals are different have been overcome.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116704340","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
Vision Guidance System for Autocollimator with Single Camera 单相机自准直器的视觉引导系统
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.86
Tao Liu, Wangmin Yi, Zaihua Yang, Ruiqin Hu, Guowei Ruan
{"title":"Vision Guidance System for Autocollimator with Single Camera","authors":"Tao Liu, Wangmin Yi, Zaihua Yang, Ruiqin Hu, Guowei Ruan","doi":"10.1109/IMCCC.2014.86","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.86","url":null,"abstract":"Cubic prisms are commonly used to present pose and position of instruments in aerospace fields. Theodolites are used to get horizontal and vertical angles of cubic prisms by collimating. To improve the efficiency of collimating, an automatic collimation method for autocollimator was proposed based on a vision guidance system. A camera was used to get pose parameters of the aimed cubic prism according to the autocollimator. Pose and position estimation algorithm was presented using 2D-3D correspondences of the cubic prism. Simulation results on a planar platform showed that the vision guidance system was effective and the automatic collimation method was feasible.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124872192","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
Scrider: Using Single Critical Sections to Avoid Deadlocks Scrider:使用单一临界区来避免死锁
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.213
Yu Zhen, Su Xiaohong, Ma Peijun
{"title":"Scrider: Using Single Critical Sections to Avoid Deadlocks","authors":"Yu Zhen, Su Xiaohong, Ma Peijun","doi":"10.1109/IMCCC.2014.213","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.213","url":null,"abstract":"We propose a method, called Scrider, to avoid dead-locks before they manifest themselves. When running it together with a multithreaded program, Scrider interferes in thread scheduling to ensure that at any time there is only one thread in the critical state. By this way, Scrider can avoid any dead-lock involving two or more threads. For a self-deadlock that involves only one thread, Scrider captures it as soon as it happens and spits out enough information to support source-level debugging. Scrider is designed to avoid deadlocks caused by mutual exclusive locks or read/write locks in Pthread interface. Scrider is implemented as a pre-loadable library and doesn't require either modifying the source code or recompiling/relinking the target program, so that Scrider can be used directly to avoid deadlocks in current applications. Experiment results with nine benchmarks show that Scrider wokrs well in avoiding deadlocks caused by mutual exclusive locks and read/write locks.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124913444","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 Scattering Properties of Laser Beam Propagating in Lower Atmosphere at 1.55 um Wavelength 1.55 um波长激光束在低层大气中的散射特性
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.128
Guohang Shan, Sining Li, Dongqian Fan, Yuechao Ma, W. Lu, Zhixiu Mou
{"title":"The Scattering Properties of Laser Beam Propagating in Lower Atmosphere at 1.55 um Wavelength","authors":"Guohang Shan, Sining Li, Dongqian Fan, Yuechao Ma, W. Lu, Zhixiu Mou","doi":"10.1109/IMCCC.2014.128","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.128","url":null,"abstract":"The atmosphere scattering properties of 1.55 μm laser beam is studied and analyzed in the background of the development of lidar. Mie and Rayleigh scattering are mainly considered to calculate the scattering parameters. Based on the theoretical models, performed numerical simulation to get the relationship between atmosphere scattering, temperature, pressure and refractive index of air. In cases of urban, rural and maritime aerosol model, the scattering parameters are given separately and their relationship with humidity is obtained.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122921381","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
Current Analysis in End Ring of Submersible Motor by Finite-Element Method 用有限元法分析潜水电机端环电流
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.207
Hanfeng Wang, X. Bao, C. Di, Z. Cheng, Yong Fang
{"title":"Current Analysis in End Ring of Submersible Motor by Finite-Element Method","authors":"Hanfeng Wang, X. Bao, C. Di, Z. Cheng, Yong Fang","doi":"10.1109/IMCCC.2014.207","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.207","url":null,"abstract":"In this paper, the current in the end ring of a submersible motor is studied by finite-element method. Since the resistance and the electromagnetic force of end ring are related to its current, it is essential to study the current distributed characteristics in detail. Based on the Maxwell's equations and equivalent circuits, the final current density in the end ring is calculated. Then, the characteristics of end-ring current distribution are compared in the same cross section, as well as those of different cross sections along circumferential direction. Finally, the effects of the radical width and axial width of end ring on its current distribution are investigated.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133407330","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 Hybrid Ontology Knowledge Integration for Farmbased Tourism with NFC 基于NFC的农家旅游混合本体知识集成
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.118
Chen Yan-guang, Zhang Ya-ming, Zheng Tao, Yang Yi
{"title":"A Hybrid Ontology Knowledge Integration for Farmbased Tourism with NFC","authors":"Chen Yan-guang, Zhang Ya-ming, Zheng Tao, Yang Yi","doi":"10.1109/IMCCC.2014.118","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.118","url":null,"abstract":"The NFC-App service plays an important part in farm-based tourism. We report a hybrid ontology knowledge integration method for practical NFC-App service evaluation. The NFC service, managerial factors and cultivation processes are treated as respective local ontologies. Relationship between different ontologies and classes are drive from their data property and managerial meaning. Iteration group and mapping processes are introduced for hierarchical knowledge integration structure forming. A specific application case is studied. The results show that NFC service in tourism farm can be evaluated through this method successfully.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"167 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131777660","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 Improved Stereo Match Algorithm Based on Support-Weight Approach 一种改进的基于支持-权重法的立体匹配算法
2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI: 10.1109/IMCCC.2014.203
Ren Long, Yang Lei, Zhao Xiao-Dong, Zhou Zuo-feng, Li Guang-sen, Jiaqi Fei
{"title":"An Improved Stereo Match Algorithm Based on Support-Weight Approach","authors":"Ren Long, Yang Lei, Zhao Xiao-Dong, Zhou Zuo-feng, Li Guang-sen, Jiaqi Fei","doi":"10.1109/IMCCC.2014.203","DOIUrl":"https://doi.org/10.1109/IMCCC.2014.203","url":null,"abstract":"Local stereo matching methods are still used widely because they are fast and simple. But the accuracy of local methods is much poorer than the global methods. They usually achieve accuracy at the expense of speed. Simple local methods are fast, but exhibit systematic errors. In this paper we propose an improved method based on support-weight approach, which can enhance the matching efficiency and accuracy. By utilizing a adaptive support-window which will change the size of the window relying on different area, we use a new disparity cost volume function which is much more simple than the traditional one. From the experimental result, we can see the accuracy of the disparity map is as better as the traditional one while the computational time is reduced. The proposed method includes three procedures, At first, we need to confirm the pixels 'window size in order to calculate the disparity, secondly, the adaptive support-weight of each pixel in left image will be calculated, the final step is to select the most optimal disparity in the right image. After the three steps, we can get the best matching point in the right image which is corresponding to the right image.","PeriodicalId":152074,"journal":{"name":"2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131995140","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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