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

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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
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
Vibration Control of Piezoelectric Flexible Manipulator Based on Machine Vision and Improved PID 基于机器视觉和改进PID的压电柔性机械臂振动控制
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362620
C. Yanga, Lan Banb
{"title":"Vibration Control of Piezoelectric Flexible Manipulator Based on Machine Vision and Improved PID","authors":"C. Yanga, Lan Banb","doi":"10.1109/ICPECA51329.2021.9362620","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362620","url":null,"abstract":"In aerospace and aviation, in equipment with light and high-speed motion, the mechanism rods must be designed to be lightweight and flexible to meet the requirements of reducing energy consumption, weight and cost, so it is necessary and meaningful to study how to suppress the vibration of flexible robotic arms. On the basis of numerical simulation analysis, an intelligent flexible manipulator system measurement and control platform is built. Numerical simulation and experimental results show that the proposed control strategy is feasible. This topic takes the multi-flexible robot arm as the research object, and uses the method of PID fuzzy control fusion to suppress the elastic vibration of the flexible robot arm. The vibration during the operation of the flexible arm reduces its positioning and operation accuracy, and the vibration suppression effect of the flexible arm is not the same in different control algorithms. To solve the problem that contact measurement affects the structure characteristics and the setting of PID control parameters is not ideal in the vibration active control system, the vibration control is carried out by using machine vision technology to measure the vibration of the structure and combined with the PID optimized by artificial fish swarm algorithm [1]. The main purpose of this paper is to improve the positioning and control accuracy of the flexible arm end and improve the operating efficiency of the system.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"16 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":"117147363","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
Short-lag filtered-delay multiply and sum beamformer combined with sign coherence factor in ultrasound imaging 结合符号相干因子的短滞后滤波-延迟乘和波束形成器在超声成像中的应用
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362556
Ke Song, Jian Zhan, Paul Liu, D. Liu
{"title":"Short-lag filtered-delay multiply and sum beamformer combined with sign coherence factor in ultrasound imaging","authors":"Ke Song, Jian Zhan, Paul Liu, D. Liu","doi":"10.1109/ICPECA51329.2021.9362556","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362556","url":null,"abstract":"A short-lag filtered-delay multiply and sum (FDMAS) beamforming algorithm, which can be considered as a variant of F-DMAS, has recently been proposed. In this method, the signals in the regions of low lags (short-lag) are used, and the computation complexity is reduced accordingly. In fact, the short-lag regions can efficiently reflect the spatial coherence. Thus, we proposed a method to combine this algorithm with the Sign Coherence Factor (SCF). In the simulation test, our proposed method demonstrate better contrast and resolution in comparison with the F-DMAS.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"125 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":"116850534","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 new behavior model reconstruction algorithm for power amplifier 一种新的功率放大器行为模型重构算法
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362578
Jinting Liu, Xufei Liu, Dongliang Xu, Lihua Cao
{"title":"A new behavior model reconstruction algorithm for power amplifier","authors":"Jinting Liu, Xufei Liu, Dongliang Xu, Lihua Cao","doi":"10.1109/ICPECA51329.2021.9362578","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362578","url":null,"abstract":"5G wireless communication system sets a higher requirement on power dissipation of base station power amplifiers. In order to study the working characteristics of power amplifiers, it is essential to build a reasonable power amplifier behavior model. To reduce the complexity of power amplifier modeling and solution, this paper designs a greedy algorithm based on Dice criterion. Particle swarm optimization is adopted for optimization. In order to verify the advantages of the algorithm, this paper applies the adaptive sparse algorithm to the simplification of nonlinear memory polynomial power amplifier, and sets different simulation parameters and sparsity for practical testing. The simulation results show that the proposed algorithm can effectively improve the modeling accuracy and the convergence rate of the model coefficients.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"15 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":"114638055","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 Microscopic CFRP Stochastic Pore Model Based on Pore Morphology 基于孔隙形态的CFRP微观随机孔隙模型研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362659
Runhua Chen, Xiang Li, Guoliang Li, Jiuxiao Sun
{"title":"Research on Microscopic CFRP Stochastic Pore Model Based on Pore Morphology","authors":"Runhua Chen, Xiang Li, Guoliang Li, Jiuxiao Sun","doi":"10.1109/ICPECA51329.2021.9362659","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362659","url":null,"abstract":"The microscopic pore morphology of the samples were observed, and their statistical data were analyzed. Specifically, the distribution, shape and size of the pores were characterized, and the related histogram about the pore length distribution was also drew. According to CFRP pore statistical data, MATLAB was used to build a random pore model based on random process theory. The random medium was highly improved by using the extreme value search method. Thus, a random void model was deduced, well matched with our experiment results. During the establishment of the model, to make it closer to the actual pores, such important parameters as roughness factor, partition length and autocorrelation function were analyzed, and the statistical data of actual pores were used to optimize the parameters. Finally, a strict one-to-one correspondence was built between the stochastic model and the actual situation about pores. The model can provide theoretical support for our subsequent studies about explaining the effect of pores on ultrasonic testing and the scattering of ultrasonic waves in the pores during the testing process.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"59 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":"116591079","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
Chip defect detection based on deep learning method 基于深度学习方法的芯片缺陷检测
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362704
Xiaoyu Yang, Fuye Dong, F. Liang, Guohe Zhang
{"title":"Chip defect detection based on deep learning method","authors":"Xiaoyu Yang, Fuye Dong, F. Liang, Guohe Zhang","doi":"10.1109/ICPECA51329.2021.9362704","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362704","url":null,"abstract":"With the rapid development of deep learning theory and computing resources, defect detection based on deep learning has been increasingly used. Compared with traditional machine learning methods, detection methods based on deep learning can achieve end-to-end detection methods, with high flexibility and accuracy, strong network expression capabilities, and no manual design features. This paper focuses on the use of deep learning-based methods to detect chip defects: make data sets according to the types of chip defects, detect chip defect based on the YOLOv3 network and fine-tuning it. The final mAP reached 86.36%.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"49 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":"116931524","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: 5
Double Closed Loop Control of DC-DC Boost Converter DC-DC升压变换器的双闭环控制
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362504
Lin Yun, Gao Qianqian, Z. Xiang
{"title":"Double Closed Loop Control of DC-DC Boost Converter","authors":"Lin Yun, Gao Qianqian, Z. Xiang","doi":"10.1109/ICPECA51329.2021.9362504","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362504","url":null,"abstract":"In this paper, An average switch model of a boost converter with double closed loop control is presented by using the method of average state space. A detailed design procedure of both voltage and current feedback loops are given in a boost converter. The proposed circuit shows the characteristics of the fast dynamic response. Besides, the output voltage ripple is reduced significantly. Finally, this method is verified practically and superiority by using MATLAB.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"30 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":"114904744","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 of the Application of Electric Engineering and its Electric Automatization Control System 电气工程应用及其电气自动化控制系统研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362718
Xinjian Xu
{"title":"Research of the Application of Electric Engineering and its Electric Automatization Control System","authors":"Xinjian Xu","doi":"10.1109/ICPECA51329.2021.9362718","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362718","url":null,"abstract":"In order to promote the production efficiency of the enterprises, the research analyzes the advantages and design content of electric engineering and its electric automatization control system. The specific operation methods of electric automatization control system are centralized, remote and bus control. They are mainly applied in disperse measurement and control and speed regulating system, and the protection of electric generator, with efficient and precise effect.","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":"124197136","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 Methodology of Intelligent High-Speed Railway Architecture 智能高速铁路体系结构方法论研究
2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI: 10.1109/ICPECA51329.2021.9362607
Jinzi Zheng, P. Li, Xiao-ning Ma
{"title":"Research on Methodology of Intelligent High-Speed Railway Architecture","authors":"Jinzi Zheng, P. Li, Xiao-ning Ma","doi":"10.1109/ICPECA51329.2021.9362607","DOIUrl":"https://doi.org/10.1109/ICPECA51329.2021.9362607","url":null,"abstract":"Driven by the rapid development of High-speed Railway and intelligent technology, China has started the progress of Intelligent High-speed Railway (or IHSR, for short) comprehensively. IHSR is a complex cyber physical system which requires a top-level design to determine the implementation path for planning and construction. Based on the analysis of design methodology of intelligent systems at home and aboard, combined with the connotation and characteristics of IHSR in China, the architecture design methodology of China IHSR is researched in the paper. Service framework, functional framework, logical framework and physical framework are proposed here. Besides, the connotation and system composition of IHSR brain is discussed, which is the foundation platform of IHSR system.","PeriodicalId":119798,"journal":{"name":"2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)","volume":"69 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":"121668411","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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