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Combined feedforward-feedback servo control scheme for a radar spy azimuth follow-up system 雷达侦察方位跟踪系统的前馈-反馈联合伺服控制方案
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023973
Lizhi Wang, Si Tian, P. Cheng, Guangjun He
{"title":"Combined feedforward-feedback servo control scheme for a radar spy azimuth follow-up system","authors":"Lizhi Wang, Si Tian, P. Cheng, Guangjun He","doi":"10.1109/EMEIT.2011.6023973","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023973","url":null,"abstract":"This paper presents a full scheme of azimuth follow-up System utilized in a certain model of radar spy. By analyzing the requirements for the performance indexes of the follow up system, with a STK465 thick film integrated circuit as the key unit of the power amplifier, a Heidenhain ROD250 Incremental Optical-electrical Encoder for position sensor and a LPC2148 as microcontroller, a digital high accuracy servo system is made. Besides, the methods for measuring the transfer functions of all loops and the design of compound controller are discussed and means of adjustment are also described. The practical operation shows that the design proves to be a success and well meet the design demand.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116858911","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
Combination forecasting on software reliability based on entropy weight 基于熵权的软件可靠性组合预测
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023742
Qun-yan Zhang, Xiao-mei Zhu, Kun Xu
{"title":"Combination forecasting on software reliability based on entropy weight","authors":"Qun-yan Zhang, Xiao-mei Zhu, Kun Xu","doi":"10.1109/EMEIT.2011.6023742","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023742","url":null,"abstract":"Software reliability is a hot issue of software engineering research. In order to improve the prediction accuracy of software reliability's failure data, the researchers introduced the entropy weight to build the combination forecast model on the basis of establishing single forecasting methods. Data simulation results indicate that this method has higher precision of prediction than that of the single forecasting methods, and thus is applicable in certain fields.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117108900","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
A chip temperature-controlled technology based on the integrated-circuit CA3046 基于集成电路CA3046的芯片温控技术
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023318
Gang Gou, Jianping Song
{"title":"A chip temperature-controlled technology based on the integrated-circuit CA3046","authors":"Gang Gou, Jianping Song","doi":"10.1109/EMEIT.2011.6023318","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023318","url":null,"abstract":"By using a SCM as the core control system, and the IC CA3046 for the temperature-controlled chip, we design a technology to control the temperature of the transistor fast and precisely and this is based on the PWM comparator of the analog temperature-controlled circuit. The technology integrates electrical heating system, temperature sensor and transistor for detection in one semiconductor chip, and the SCM controls the chip's temperature which aims at achieving the adjustment, control, measurement and display of the transistor's temperature in the chip, also making chip work at a more stable temperature","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"670 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122968514","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
Finite element analysis of influence of grinding parameters on grinding force 磨削参数对磨削力影响的有限元分析
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6024070
Xiaolin Yu
{"title":"Finite element analysis of influence of grinding parameters on grinding force","authors":"Xiaolin Yu","doi":"10.1109/EMEIT.2011.6024070","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6024070","url":null,"abstract":"In this paper, based on the three-dimensional finite element model of surface grinding, the finite element analysis was employed to analyze the influence of grinding parameters on grinding force during the machining of SiCp/Al composites using diamond grinding wheel. The results indicate that model can reflect tendency of grinding force. Simulated results are consistent with experimental results. The results will provide a theoretical guidance to optimize for cutting process.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114961159","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 novel approach to solving weapon-target assignment problem based on hybrid particle swarm optimization algorithm 基于混合粒子群优化算法求解武器目标分配问题的新方法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023352
Bojiang Zhu, Feng-xing Zou, Jia-hua Wei
{"title":"A novel approach to solving weapon-target assignment problem based on hybrid particle swarm optimization algorithm","authors":"Bojiang Zhu, Feng-xing Zou, Jia-hua Wei","doi":"10.1109/EMEIT.2011.6023352","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023352","url":null,"abstract":"This paper presents an approach based on hybrid particle swarm optimization to solve weapon-target assignment (WTA) problem. The mathematical model of WTA problem is explained in detail. Then the idea of basic particle swarm optimization (PSO) is introduced. A hybrid PSO algorithm (HPSO) is structured by introducing the mutation operator and changing the inertia weight with the generation. The results of simulation indicate that this approach is effective to solve WTA problem.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122664359","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
The manufacturing method of diamond dressing gears for the dressing of gear grinding worms 磨齿蜗杆修整用金刚石修整齿轮的制造方法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023689
Tao Yu, Su-yu Wang, Y. Fan
{"title":"The manufacturing method of diamond dressing gears for the dressing of gear grinding worms","authors":"Tao Yu, Su-yu Wang, Y. Fan","doi":"10.1109/EMEIT.2011.6023689","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023689","url":null,"abstract":"The gear grinding process is a widely used process for gear finishing after heat-treated. The continuous profile grinding and the continuous generating grinding are the most common used gear grinding methods which have high productivity. The grinding worms can be dressing by diamond dressing gears, which have the profile of the workpieces to be machined and bonded a single layer of diamond particles. The paper has inroduced the traditional manufacturing methods of diamond dressing gears, positive electroplating and negative electroplating. Then put forward a new manufacturing method, Electroless nickel coating. Composition and condition of electroless composite plating solution, process steps are given. Several diamond dressing gears are made by this new method. Grinding experiment testified that it is an applied method and has many advantages.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122719872","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 improved elliptic curve digital signature algorithm 改进的椭圆曲线数字签名算法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6022868
Junru Hu
{"title":"The improved elliptic curve digital signature algorithm","authors":"Junru Hu","doi":"10.1109/EMEIT.2011.6022868","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6022868","url":null,"abstract":"ECDSA is the first successful algorithm that based on ECC. It was accepted by ANSI, IEEE, NIST and ISO as the standard signature algorithm. In this paper, ECDSA was analyzed and improved. The improved algorithms reduce the computational cost while keeping the same security as original ECDSA. They are suitable for the users who have limited compute capacity in different cases. The performance data of each algorithm was presented also.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"91 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126121338","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: 31
Position controller based on state observer for 6-DOF parallel teleoperation manipulator 基于状态观测器的六自由度并联遥操作机械臂位置控制器
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023450
Mingde Gong, Qiusheng Chang
{"title":"Position controller based on state observer for 6-DOF parallel teleoperation manipulator","authors":"Mingde Gong, Qiusheng Chang","doi":"10.1109/EMEIT.2011.6023450","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023450","url":null,"abstract":"The sense system of slave side for electro-hydraulic servo control telerobot is simplification and credibility, which is needed by work environment and test signal remote transfers. The displacement of slave side is only measured signal in this research and designs state observer for restructure velocity and acceleration state variables. Consider the influence of restructure error to position control and random disturbance of slave side, apply lower order output variable to make up of a output linear feedback system, design optimal controller to accomplish master-slave position tracking control and force feedback of bilateral servo control. Simulation and Experimental results are given to demonstrate the developed controller is availability and robustness to existence of outside random disturbance.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121861335","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
A frequency prediction method based on estimation of the ionospheric characteristics 基于电离层特性估计的频率预测方法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023907
C. Li, Xiaopeng Yang, Feng Wang, Hengyang Zhang, Yunjiang Liu
{"title":"A frequency prediction method based on estimation of the ionospheric characteristics","authors":"C. Li, Xiaopeng Yang, Feng Wang, Hengyang Zhang, Yunjiang Liu","doi":"10.1109/EMEIT.2011.6023907","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023907","url":null,"abstract":"To grasp Complex characteristics of shortwave (HF) channel is the key and difficulty to research HF communication. On the premise of comprehending the ionosphere prediction method in the Asia Oceania region, HF frequency prediction method recommended by the International Telecommunication Union (ITU) is improved in this paper, and the engineering calculation method of predicting HF frequency in the Asia Oceania region is concluded and summarized. Comparing with the ITS (the Institute for Telecommunication Science) software's predicting result, the method is improved to some extent in time availability and SNR in the receiving point.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"260 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115815871","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 new method for the analysis of temperature-dependent resistances and inductances of multiconductor cable 一种分析多导体电缆温度相关电阻和电感的新方法
International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 1900-01-01 DOI: 10.1109/EMEIT.2011.6023408
Xiuhua Men, Yuzhen Ma, Haiyan Shao
{"title":"A new method for the analysis of temperature-dependent resistances and inductances of multiconductor cable","authors":"Xiuhua Men, Yuzhen Ma, Haiyan Shao","doi":"10.1109/EMEIT.2011.6023408","DOIUrl":"https://doi.org/10.1109/EMEIT.2011.6023408","url":null,"abstract":"The whole mechanical test procession, especially transmission cable is effected evidently by environment temperature fluctuation. So of particular interest in the paper is to discuss the resistance and inductance parameters of multiconductor at environment of changing temperature. A new approach with the given formulas is presented to calculate electric parameters using finite element method. And then, the temperature-dependent characteristics of resistance and inductance are obtained, which are agreed with the result obtained by energy method. The change of equivalent current density for multiconductor also highlights the parameters change when proximate effect is considered. The result is shown that the temperature-dependent parameters bring more important responses on the terminal of circuit network containing certain deviation. It is shown that. For the first time, results are shown for the lossy transmission cable with temperature-dependent parameters characteristic, which are used to quantify the main practical engineering.","PeriodicalId":221663,"journal":{"name":"International Conference on Electronic and Mechanical Engineering and Information Technology","volume":"02 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127189635","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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