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2020 7th International Forum on Electrical Engineering and Automation (IFEEA)最新文献

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DOA estimation of Underwater LOW noise target technique based on focusing matrix 基于聚焦矩阵的水下低噪声目标DOA估计
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00094
Yanjing Chen, H. Liu, Yunzhou Li
{"title":"DOA estimation of Underwater LOW noise target technique based on focusing matrix","authors":"Yanjing Chen, H. Liu, Yunzhou Li","doi":"10.1109/IFEEA51475.2020.00094","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00094","url":null,"abstract":"Direction of arrival (DOA) estimation for low noise targets is a key technique for passive sonar. Beam forming is still the mainly method for passive tracking of underwater-targets. Although the tracking performance of beam forming is relatively stable, it demands for high SNR, and has poor performance while tracking for low noise targets. By applying the focusing matrices to the DOA estimation for low noise targets, the better resolution effects are obtained. The paper has carried on the theoretical analysis and simulation calculation for this method, and has made some verification by using the test data of a low speed underwater vehicle. The test results show that this method has a good prospect for engineering application.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126271916","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
Foot Trajectory Planning of Multi-locomotion Mobile Robot Based on EtherCAT Bus 基于EtherCAT总线的多运动移动机器人足部轨迹规划
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00162
Siyuan Hu, Xiaojun Xu
{"title":"Foot Trajectory Planning of Multi-locomotion Mobile Robot Based on EtherCAT Bus","authors":"Siyuan Hu, Xiaojun Xu","doi":"10.1109/IFEEA51475.2020.00162","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00162","url":null,"abstract":"Based on the leg-mode kinematics of multi-locomotion mobile robot, this paper designs a control system with high real-time performance based on EtherCAT bus, and studies the problem of foot trajectory planning. The hardware of the system consists of PC + soft controller, EtherCAT network, driver, servo motor and multi-locomotion mobile robot. The software uses LabWindows to develop master computer in PC and CODESYS to develop slave computer control program in soft controller. The timing interpolation method and sinusoidal acceleration and deceleration control algorithm are used to study the half-sinusoidal trajectory of the foot. From the experimental results, this trajectory planning method is effective on multi-locomotion mobile robot based on EtherCAT bus, which provides the basis for the gait planning research of multi-locomotion mobile robot.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115637127","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
Research on fault line selection of distribution network system based on zero sequence transient current 基于零序暂态电流的配电网系统故障选线研究
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00088
Ren Hongtao, Zhang Ying
{"title":"Research on fault line selection of distribution network system based on zero sequence transient current","authors":"Ren Hongtao, Zhang Ying","doi":"10.1109/IFEEA51475.2020.00088","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00088","url":null,"abstract":"In order to improve the accuracy of the single-phase grounding fault line selection method of the distribution network, the paper analyzes the characteristics of the transient current component after fault, and proposes A fault line selection method based on the initial fault angle, which combines the zero sequence transient capacitive current method with the inductive current method. In this method, when a large fault angle occurs, the zero-sequence transient capacitive current feature is used for line selection. When a small fault angle occurs, the characteristic of transient inductance current is used for line selection. When the fault angle is an intermediate value, the characteristics of transient capacitive current and transient inductive current should be used for line selection. The simulation results of the EMTP example show the effectiveness of the proposed method.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125256164","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
Aptive integral sliding mode control for permanent magnet synchronous motor speed regulation system 永磁同步电机调速系统的自适应积分滑模控制
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00103
Chuanming Li, Jing-Guang Sun, Yong Guo
{"title":"Aptive integral sliding mode control for permanent magnet synchronous motor speed regulation system","authors":"Chuanming Li, Jing-Guang Sun, Yong Guo","doi":"10.1109/IFEEA51475.2020.00103","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00103","url":null,"abstract":"This thesis studies the control problem of permanent magnet synchronous motor (PMSM) by using the integral terminal sliding mode control and adaptive control. Firstly, a novel integral terminal sliding manifold with adaptive control gains is presented and a continuous reaching law is introduced. Secondly, on basis of the integral terminal sliding mode control, two robust control strategies are proposed for the situations of known and unknown disturbances. Finally, a rigorous proof is given for the stability designed controllers by using Lyapunov theory and simulation results are conducted to illustrate the performance of the proposed control strategies.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122837451","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
Analysis on the Development of Quantum Spin 量子自旋的发展分析
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00167
Zhang Zihui
{"title":"Analysis on the Development of Quantum Spin","authors":"Zhang Zihui","doi":"10.1109/IFEEA51475.2020.00167","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00167","url":null,"abstract":"Spin, still a concept or property not fully exploited, has already impacted the world in many ways with its many applications. The history of how spin came to light and how it was interpreted and developed as investigations were conducted is of particular interest with the many odd outcomes of experiments concerning this intrinsic property. This article will sort out the historical outline of how spin was first indicated in theories and how it was eventually embraced as a fundamental property of quantum particles in an attempt to holistically review the process of recognition of this remarkable concept. Through this review, it becomes apparent how the recognition and development of a concept involves the intellect of a broad range of physicists who are willing to view things from both classical and quantum perspectives particularly when it comes to new concepts as spin. How elements like luck and chance play a role will also be revealed. As it turns out, our intuitions about the world around us may not be the ultimate truth, especially when it comes to Quantum Mechanics. Space Quantization was once thought of as no more than a theoretical outcome, however, experiments anyway impose this reality on physicists requiring them to abandon stubborn biases. Admittedly, not every speculation was correct, the analogy of “Spin” was an unfortunate one. But this article shows that this is just how understanding the mysteries of the quantum world really unfolds.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131423750","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
Hybrid Optimization of Injection Process Parameters Based on CAE and Grey Correlation 基于CAE和灰色关联的注射工艺参数混合优化
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00208
Zhiwen Qiu, Junjie Zhu, Wen-kwei Huang
{"title":"Hybrid Optimization of Injection Process Parameters Based on CAE and Grey Correlation","authors":"Zhiwen Qiu, Junjie Zhu, Wen-kwei Huang","doi":"10.1109/IFEEA51475.2020.00208","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00208","url":null,"abstract":"With the minimum shrinkage mark index, volume shrinkage rate and warpage of a mobile phone shell as the optimization objective, and five process parameters such as mold temperature, melt temperature, injection time, packing time and packing pressure as the influence factors, an orthogonal test method was used to design the five factors and four levels test scheme; the multi-objective optimization could be converted into single objective optimization based on the grey relational analysis, and the optimum combination of process parameters with multiple-objective was obtained. The verification test results show that, through the mixed optimization, the shrinkage index was reduced by 4.94%, the volume shrinkage was reduced by 9.49%, and the warpage was reduced by 2.84%, the problem of balance between multiple-objective was solved effectively and the quality requirement of multiple-objective was satisfied as much as possible.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115151088","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
Tension Fatigue Behavior of Carbon Fiber Reinforced Resin Matrix Composites under Spectrum Load 光谱载荷下碳纤维增强树脂基复合材料的拉伸疲劳行为
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/ifeea51475.2020.00057
Wuchao Chen, Yuan Liu, J. Zhang, Junjie Deng, Min Xie, Wei Jing, Yecheng Lin, Xiaojing Zhang
{"title":"Tension Fatigue Behavior of Carbon Fiber Reinforced Resin Matrix Composites under Spectrum Load","authors":"Wuchao Chen, Yuan Liu, J. Zhang, Junjie Deng, Min Xie, Wei Jing, Yecheng Lin, Xiaojing Zhang","doi":"10.1109/ifeea51475.2020.00057","DOIUrl":"https://doi.org/10.1109/ifeea51475.2020.00057","url":null,"abstract":"Tension-Tension fatigue tests of carbon fiber/epoxy composite blades were studied in this paper. The S-N curve was plotted to predict the fatigue life. Fracture surfaces were observed by SEM to analyze the failure mode under the variable spectrum. The results show that the conditional fatigue limit of the carbon fiber/epoxy composite blade is 302MPa. The major failure modes of the bolted joints include the first resin matrix microcracking, fiber-matrix splitting, delamination and fiber breakage, these failure modes interact and expand until the material fracture occurs.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133623029","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
Application Of DC Power Supply Technology In Urban Rail Transit Lighting System 直流供电技术在城市轨道交通照明系统中的应用
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/ifeea51475.2020.00026
Jian Xie, J. Che
{"title":"Application Of DC Power Supply Technology In Urban Rail Transit Lighting System","authors":"Jian Xie, J. Che","doi":"10.1109/ifeea51475.2020.00026","DOIUrl":"https://doi.org/10.1109/ifeea51475.2020.00026","url":null,"abstract":"The vast majority of rail transit lighting systems use AC 220V power distribution, but with the development of power electronics technology and the widespread application of LED lamps, the technical advantages of DC power supply have gradually emerged. This article first introduces the development status of DC power supply technology, then analyzes the advantages of DC power supply in detail, and finally introduces the application scheme of DC power supply technology in urban rail transit lighting system based on Hefei Rail Transit Line 4.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131890140","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
Research on Operational Risk Response Mechanism of Transmission Line Based on Internet of Things and Fault Tree 基于物联网和故障树的输电线路运行风险响应机制研究
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/ifeea51475.2020.00130
Qu ShaoJie, Song Yongchao, W. Zhigang
{"title":"Research on Operational Risk Response Mechanism of Transmission Line Based on Internet of Things and Fault Tree","authors":"Qu ShaoJie, Song Yongchao, W. Zhigang","doi":"10.1109/ifeea51475.2020.00130","DOIUrl":"https://doi.org/10.1109/ifeea51475.2020.00130","url":null,"abstract":"The unobstructed transmission line is the foundation to ensure the stable operation of the power system. The uniqueness of the power Internet of Things transmission mode makes its external transmission line links extremely vulnerable to interference. In order to ensure the safe and stable operation of the power Internet of Things and the power system, this paper constructs a grid transmission line operation risk response strategy and prevention mechanism based on the power Internet of Things environment, operation risk fault tree and transmission line typical operation risk early warning mechanism, and realizes the protection of the transmission line Effective control of operational risks.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"213 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131985578","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
Calculation of Transient Current of Rectifier Generator With DC Grid Faults 直流电网故障时整流发电机暂态电流的计算
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/ifeea51475.2020.00069
Changwu Hou, Zhihao Ye, Xiaofeng Zhang, Jing Huang
{"title":"Calculation of Transient Current of Rectifier Generator With DC Grid Faults","authors":"Changwu Hou, Zhihao Ye, Xiaofeng Zhang, Jing Huang","doi":"10.1109/ifeea51475.2020.00069","DOIUrl":"https://doi.org/10.1109/ifeea51475.2020.00069","url":null,"abstract":"In the DC grid, DC short-circuit fault is the main fault type. When calculating the electromechanical transient state of the AC/DC hybrid power grid, the AC power grid and the DC power grid are solved separately, which will lead to the problem of inaccurate short-circuit current calculation when the DC power grid is short-circuited. After combing the AC/DC hybrid power grid, DC microgrid structure and marine DC power grid structure, the transient short-circuits current of the rectifier generator feeds to the short-circuit fault of the DC grid is calculated. After obtaining the expression of the transient current, the analytical expression of transient current is acquired through analogy to the calculation of short-circuit current of synchronous generator. Finally, the validity of the analytical expression is verified by simulation, and it can be used for DC fault diagnosis and protection mode determination.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134603587","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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