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2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)最新文献

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Research on a cloud resource scheduling strategy based on asynchronous reinforcement learning 基于异步强化学习的云资源调度策略研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362723
Yuejiao Ma, Long Yang, Feng Hu
{"title":"Research on a cloud resource scheduling strategy based on asynchronous reinforcement learning","authors":"Yuejiao Ma, Long Yang, Feng Hu","doi":"10.1109/ICPECA51329.2021.9362723","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362723","url":null,"abstract":"The effective management of cloud-based IT infrastructure resources plays an important role in the development of grid business and the reduction of operation and maintenance costs. For cloud resource scheduling, there are many factors that affect its performance, and it is difficult to use general methods to effectively solve the problem of cloud resource scheduling. In order to achieve efficient resource scheduling, this paper proposes a cloud resource scheduling strategy based on reinforcement learning. At the same time, in order to deal with the problem of slow convergence speed and low accuracy when the exploration and update of a single agent, By introducing a heterogeneous model to construct a cloud resource scheduling mechanism, which uses multithread to explore the environment at the same time to improve the convergence speed. Experiments show that the scheduling strategy of this method has better performance than the random scheduling strategy.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133246725","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
Planar Ultra-Wideband Wide-Angle Scanning Array Antenna with Improved WAIM Layer 改进波导层的平面超宽带广角扫描阵列天线
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362709
Xin Zhou, Min Wang, Yihui Li, Changiin Qiu, Wen Wu
{"title":"Planar Ultra-Wideband Wide-Angle Scanning Array Antenna with Improved WAIM Layer","authors":"Xin Zhou, Min Wang, Yihui Li, Changiin Qiu, Wen Wu","doi":"10.1109/ICPECA51329.2021.9362709","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362709","url":null,"abstract":"An ultra-wideband wide-angle scanning dual-polarized tightly coupled dipole antenna array is proposed with an improved wide-angle impedance matching (WAIM) layer. One unit with period boundaries is investigated to illustrate radiation and impedance matching performances for an infinite array. The bandwidth can cover S-band, X-band, and C-band. A shorted circular plate is placed beneath the junction area between dipoles to shift the common-mode resonance frequency down out of the operating band. A couple of metal ribs are added into the feed lines to improve impedance matching between dipole and 50$Omega$ coaxial probe. An improved wide-angle impedance matching (WAIM) layer is proposed which consists of two couple metallic sheets loaded on the dipole element. It can be modeled by an LC series circuit paralleled with the dipole, which achieves a smoother impedance transform from the dipole to the free space so that the scanning angle is much wider. The proposed dual-polarized infinite array can achieve 4:1 bandwidth (3.51-14.28GHz) when scanning ± 60° in E plane and ± 50° in H plane mostly.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133345044","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
Structure design of Large Francis turbine runner blade defect detection robot 大型混流式水轮机转轮叶片缺陷检测机器人结构设计
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362573
Jing Hu, Jing Ren, Guomin Liao, Hang Zhao, Hongyu He, G. Hu
{"title":"Structure design of Large Francis turbine runner blade defect detection robot","authors":"Jing Hu, Jing Ren, Guomin Liao, Hang Zhao, Hongyu He, G. Hu","doi":"10.1109/ICPECA51329.2021.9362573","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362573","url":null,"abstract":"My country is the largest installed hydropower capacity in the world, the safe, stable, and reliable operation of the unit has always been a technical problem faced by the hydropower industry. The runner is the core part of the hydropower unit for energy conversion, and its quality will directly affect the reliability and hydraulic performance of the unit. At present, the detection of the runner status of the running unit is completely manual. To solve the problems of low efficiency, high cost, and great harm to the human body of Large Francis turbine runner blades, a new type of defect detection robot for turbine runner blades was designed. The robot body structure is designed by modules, which is easy to load and unload, easy to carry, fast manufacturing, and low requirement for manual operation. Magnetic adsorption chain track is introduced into the wheel system of the robot, and two groups of tracks are adopted, which makes the robot compact and can move flexibly in the narrow space turbine runner. On the other hand, the central position of the robot is equipped with an adsorption force self-adjusting device to ensure that the robot can stably adsorb on the blade surface at a certain angle from the horizontal plane.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"24 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113941039","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
Rotor surface defect and symmetry detection based on point cloud registration 基于点云配准的转子表面缺陷及对称性检测
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362590
Zhengxin Li, Xian Fang, Xiuli Shao, Yuan Chai
{"title":"Rotor surface defect and symmetry detection based on point cloud registration","authors":"Zhengxin Li, Xian Fang, Xiuli Shao, Yuan Chai","doi":"10.1109/ICPECA51329.2021.9362590","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362590","url":null,"abstract":"During the production process of the blower rotor, detecting its surface defects and symmetry can avoid the safety hazards of the rotor during operation. Therefore, this paper has improved the traditional ICP algorithm. For the rotor point cloud collected by the 3D measuring instrument, the standard point cloud and the test point cloud are unified in the same coordinate system, and the incomplete rotor surface is collected. The point cloud is locally registered, and stitching is completed, and then it is registered with the standard point cloud. The defect detection of the point cloud is completed by comparing the unevenness of the two-point clouds, and the symmetry detection is completed by comparing the shape features of the two-point clouds.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"167 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122407343","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 beam-dominating frequency resource allocation and scheduling scheme for multi-beam satellite system 一种多波束卫星系统的波束支配频率资源分配与调度方案
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362526
Xue-yan Liu, Kaiming Xu, Fanyi Wu, Jianjun Wu
{"title":"A beam-dominating frequency resource allocation and scheduling scheme for multi-beam satellite system","authors":"Xue-yan Liu, Kaiming Xu, Fanyi Wu, Jianjun Wu","doi":"10.1109/ICPECA51329.2021.9362526","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362526","url":null,"abstract":"In this paper, we aim at the characteristics of the large-scale dynamic beamforming system model, and design an overall scheme for beam-dominated resource allocation and beam scheduling. We first propose a channel capacity fairness carrier allocation algorithm based on the beam as the basic unit to allocate frequency resources between beams, and then perform carrier allocation between users according to the channel demand ratio. Simulation results show that, under the condition of sufficient hardware resources, this scheme can achieve higher user communication satisfaction than the fixed beam resource allocation scheme.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129079764","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
Performance Analysis of Different Positioning Modes of Navigation Software of Central Ship System of Survey Ship 测量船中央系统导航软件不同定位方式的性能分析
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362625
Jiang Meilei, Feng Jianfeng, Zhao Peng
{"title":"Performance Analysis of Different Positioning Modes of Navigation Software of Central Ship System of Survey Ship","authors":"Jiang Meilei, Feng Jianfeng, Zhao Peng","doi":"10.1109/ICPECA51329.2021.9362625","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362625","url":null,"abstract":"This article first introduces the principles and methods of navigation and positioning in detail; secondly, it introduces the functions of navigation processing software and analyzes the performance of different positioning modes (GNSS, GPS, GLONASS, BDS) in the navigation processing software; finally, based on the measured data of a certain mission, the positioning accuracy of different positioning modes is analyzed, and the priority of positioning accuracy is given.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116646592","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
Design of Ultrasonic Feeding Testing Device 超声波进料检测装置的设计
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362593
Xiaozhu Wang, Jian Zhang
{"title":"Design of Ultrasonic Feeding Testing Device","authors":"Xiaozhu Wang, Jian Zhang","doi":"10.1109/ICPECA51329.2021.9362593","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362593","url":null,"abstract":"According to the working principle of traveling wave type ultrasonic motor, design and manufacture a piezoelectric feeding experimental device with multi frequency excitation, studying the transport performance of different materials on piezoelectric device, analyzing the parameters that affect the transportation speed, such as exciting frequency, amplitude, mass and contact area. The device can study the macroscopic theory of piezoelectric conveying performance.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117220776","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
Multi-path Adaptive Interference Cancellation Technology Based on LMS Algorithm 基于LMS算法的多径自适应干扰消除技术
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362535
Junjie Wanga, Yunhao Jiang
{"title":"Multi-path Adaptive Interference Cancellation Technology Based on LMS Algorithm","authors":"Junjie Wanga, Yunhao Jiang","doi":"10.1109/ICPECA51329.2021.9362535","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362535","url":null,"abstract":"In order to solve the problem of signal multipath propagationa, a multi-path adaptive interference cancellation model using LMS algorithm is given. The formula is calculated first, the theory of cancellation of multipath interference signals is analyzed. The system does not need the information of the input signal at the previous moment, and continuously updates the weights through an iterative algorithm, making the cancellation performance superior in a time-varying environment. Simulation results show that the cancellation ability of the system to multipath interference signals is not very significant. Through analysis, it is found that phase difference angle between two signals leads to the degradation of multipath propagation interference signal cancellation performance. so, urgent need to find a method of compensating the phase difference angle to deal with the cancellation performance of the multipath propagation interference signal.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114572470","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
Test Task Method for Multi-Spacecraft Based on Multi-level Coding Genetic Algorithm 基于多级编码遗传算法的多航天器测试任务方法
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362547
Liang Ren, Yongcong He
{"title":"Test Task Method for Multi-Spacecraft Based on Multi-level Coding Genetic Algorithm","authors":"Liang Ren, Yongcong He","doi":"10.1109/ICPECA51329.2021.9362547","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362547","url":null,"abstract":"Due to the mission requirements of high-density launch, it is necessary to improve the utilization of test resources and reduce the test time. Aiming at the problems of long test cycle and high test cost in the process of multi spacecraft development, a multi spacecraft test task model is designed to minimize the task completion time, and a multi spacecraft test task optimization method based on multi-level coding genetic algorithm is proposed, which can alleviate the contradiction between completing more test tasks with limited test resources. Simulation results show that this method bears engineering practical value.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114659241","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
Prediction of fish migration based on LSTM model 基于LSTM模型的鱼类迁移预测
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362612
Yuanjie Jiao
{"title":"Prediction of fish migration based on LSTM model","authors":"Yuanjie Jiao","doi":"10.1109/ICPECA51329.2021.9362612","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362612","url":null,"abstract":"Aiming at the problem of fish migration with ocean temperature changes, this paper uses the LSTM model to predict the migration trajectory of the fish. Firstly, using the global ocean temperature data set to predict the most suitable ocean surface temperature for fish to survive, and setting a sampling point in the longitude direction of 54.05°N$sim$60.05°N to obtain the ocean surface temperature of the area in the past 50 years, preparing for further forecast; Secondly, using the LSTM model to model the ocean surface temperature data and predict the ocean surface temperature in the next 50 years, thus deriving the suitable living area of fish for survival and regarding the area closest to this temperature as the current survival address of the fish. Finally, mapping out the migration route of the fish in the next 50 years. It is verified that this method has small errors, high reliability and accuracy, and can fit the migration route of fish schools well.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127338541","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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