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2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)最新文献

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Analysis of Consequent Pole Vernier PM Machine Based on Advanced MMF-Permeance Model 基于先进磁流变磁导模型的顺极游标永磁电机分析
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9959032
Li Fang, Dawei Li, Yuanzhi Zhang
{"title":"Analysis of Consequent Pole Vernier PM Machine Based on Advanced MMF-Permeance Model","authors":"Li Fang, Dawei Li, Yuanzhi Zhang","doi":"10.1109/CIYCEE55749.2022.9959032","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9959032","url":null,"abstract":"Consequent-pole (CP) vernier permanent magnetic machine (VPMM) has attracted increasing interest owing to higher torque output and less PM usage compared to the surface-mounted VPM (SVPMM). Via the simplified equivalent magneto-motive force (MMF)-dual salient permeance model, the deviated no-load air-gap flux density from FEA result is observed, which means the theoretical basis of CPVPMM has not been well established due to the unconventional consequent-pole PM structure. In this paper, an advanced MMF-permeance model is proposed which could accurately predict the air-gap flux density under different structure parameters of CPVPMM. Based on the proposed analytical method, the accurate sizing equation of CPVPMM could be established which would give helpful guidance in analyzing and designing the high-torque-density CPVPMM.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125277587","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 of noise reduction about sEMG signal for live working based on MEEMD and DFA 基于MEEMD和DFA的现场工作表面肌电信号降噪研究
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9959026
Xiaoqian Tang, Jian Ying, Qiang Zhu, Hangjun Chen, Guoyin Yang, Like Jiang, Hao Cai, Mengting Huang
{"title":"Research of noise reduction about sEMG signal for live working based on MEEMD and DFA","authors":"Xiaoqian Tang, Jian Ying, Qiang Zhu, Hangjun Chen, Guoyin Yang, Like Jiang, Hao Cai, Mengting Huang","doi":"10.1109/CIYCEE55749.2022.9959026","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9959026","url":null,"abstract":"In order to eliminate the noise in Surface Electromyography(sEMG) signals for live working, a sEMG signal denoising method based on MEEMD and DFA was proposed. The sEMG signals of right arm biceps after wearing insulating gloves were collected under typical working conditions, and the Detrend Fluctuation Analysis (DFA) was used as a filtering index to enhance the recognition ability of Modified Ensemble Empirical Mode Decomposition (MEEMD) on the effective information in sEMG signals, so as to improve the effect of secondary noise reduction. The results show that the MAE, MSE and SNR of DFA-MEEMD secondary denoising method are 4.40×10-3, 5.80x10−5 and 25.4dB respectively for typical sEMG signals with strong noise, which can provide a method for e1xtracting useful information from sEMG signals.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116843630","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
Nonlinear Optimal Control for 2.5-kW LLC Converts With Pulse Loads 带脉冲负载的2.5 kw LLC变换器非线性最优控制
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9959007
W. Liu, S. Duan, Senwen Luo, Te Peng, Yadong Wang
{"title":"Nonlinear Optimal Control for 2.5-kW LLC Converts With Pulse Loads","authors":"W. Liu, S. Duan, Senwen Luo, Te Peng, Yadong Wang","doi":"10.1109/CIYCEE55749.2022.9959007","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9959007","url":null,"abstract":"In the case of pulse load, the power supply is constantly switched from no-load to full-load, which would cause the output voltage to fluctuate. In order to reduce the voltage fluctuation and improve the dynamic performance, a nonlinear control method is proposed in this paper. When the voltage change is detected, the control strategy is changed to switch between burst control and PFM control. The proposed control strategy is verified on a 2.5kW LLC prototype. The experimental results demonstrated that the output voltage drops, overshoots and settling time are reduced over the SOTC control method. It shows that the control strategy has a good effect in the pulse load application.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126732208","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 Hybrid Power Supply System For Electrochromic Film 电致变色薄膜混合供电系统设计
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9959063
Fan Pu, Yuqing Fei, Shuo Liu, Weilin Li
{"title":"Design of Hybrid Power Supply System For Electrochromic Film","authors":"Fan Pu, Yuqing Fei, Shuo Liu, Weilin Li","doi":"10.1109/CIYCEE55749.2022.9959063","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9959063","url":null,"abstract":"Electrochromic films have been widely used in the shading of glass curtain walls and greenhouses because of their stable optical properties and easy control. A hybrid photovoltaic power supply system for electrochromic films is designed to solve the problems of insufficient environmental protection, high energy consumption and poor voltage matching. The system has obvious advantages of energy saving, environmental protection, stability and reliability. In this paper, the circuit structure, working principle, control strategy, simulation and experimental tests are analyzed in detail. The hybrid photovoltaic power supply system will be introduced in detail from the following four aspects: photovoltaic module design, battery charge and discharge control circuit design, photovoltaic power supply system backup circuit design and system integration.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123024557","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 Trusted Power Transaction Strategy in Virtual Power Plant 虚拟电厂可信电力交易策略研究
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9957125
Xiaomin Zhong, Shaoyuan Yu, Jian Zheng, A. Chen, Tao Wei, Jiantao Liu, Jing Zhou
{"title":"Research on Trusted Power Transaction Strategy in Virtual Power Plant","authors":"Xiaomin Zhong, Shaoyuan Yu, Jian Zheng, A. Chen, Tao Wei, Jiantao Liu, Jing Zhou","doi":"10.1109/CIYCEE55749.2022.9957125","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9957125","url":null,"abstract":"With the large-scale deployment of renewable energy sources, the power trading system faces dual challenges of trust and efficiency. In this paper, we propose a novel distributed trusted transaction strategy for virtual power plants by using smart contracts on Hyperledger Fabric to provide energy services. A matching mechanism has been defined to realize automatic matching between purchases and sales. Furthermore, transaction records are stored in a blockchain distributed ledger, which will prevent trade disputes in transaction settlements. The Golang programming language is utilized to generate the transaction smart contracts, and a modified IEEE 33-bus distribution system is selected as the case study in order to develop and verify this market framework. The results show that the proposed solution successfully improves the efficiency and safety of power transactions, and benefits both purchases and sales in the virtual power plant.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132261212","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
Study of X-ray conversion targets for electron accelerators and exploration of V-shaped targets 电子加速器x射线转换靶的研究及v型靶的探索
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9957118
Taiyan Chen, Jushigang Yuan, Jiabao Zou, Gefei Zhang, Shiyu Li, Jiang Huang
{"title":"Study of X-ray conversion targets for electron accelerators and exploration of V-shaped targets","authors":"Taiyan Chen, Jushigang Yuan, Jiabao Zou, Gefei Zhang, Shiyu Li, Jiang Huang","doi":"10.1109/CIYCEE55749.2022.9957118","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9957118","url":null,"abstract":"X-ray converters for electron accelerators are commonly employed to treat materials that are difficult to penetrate with electron beams. After target material and thickness were optimized using Monte Carlo code Geant4 simulation, the converter's conversion efficiency did not perform well. The initial electron loses a large amount of energy in the form of reflected electrons. A V-shaped conversion target is proposed to improve the utilization of the reflected electrons and hence the conversion efficiency, and the simulation results confirm the assumption. The higher the angle of the V-shaped target, the higher the optimal conversion efficiency of the X-rays. The conversion efficiency of the V-shaped tantalum target with an angle of 80° reaches 12.38% at an incident electron energy of 5 MeV, and 17.11% at an incident energy of 7.5 MeV. Additionally, the adverse implications of the large angular distribution of the V-shaped target are discussed.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134478465","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
Measuring System with a Probe Array for Magnetic Field Homogeneity 磁场均匀性探针阵列测量系统
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9958965
Yuchen Wang, Heng Hu, Huidong Shang, T. Peng
{"title":"Measuring System with a Probe Array for Magnetic Field Homogeneity","authors":"Yuchen Wang, Heng Hu, Huidong Shang, T. Peng","doi":"10.1109/CIYCEE55749.2022.9958965","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9958965","url":null,"abstract":"The magnetic field homogeneity is an important indicator of magnetic resonance imaging (MRI) magnets. This paper presents a magnetic field homogeneity measuring system that is suitable for regular testing and inhomogeneities correction of MRI magnets. The system is based on the nuclear magnetic resonance (NMR) method and on spherical harmonic expansion to realize the detection of magnetic field and the calculation of the inhomogeneity respectively. A probe array and a spatial positioning device are adopted to detect the magnetic field intensity within a diameter range of 50 cm from the center of the MRI magnet. To control the system, a software with LabViewis designed.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129523460","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
Investigation of the influence of auxiliary slot structure on the temperature field of PMSM 辅助槽结构对永磁同步电机温度场影响的研究
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9959011
Ling Liu, S. Ding, Tengchao Qu, Ying Zhu
{"title":"Investigation of the influence of auxiliary slot structure on the temperature field of PMSM","authors":"Ling Liu, S. Ding, Tengchao Qu, Ying Zhu","doi":"10.1109/CIYCEE55749.2022.9959011","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9959011","url":null,"abstract":"In order to investigate the heat and mass transfer law of the internal parts of the permanent magnet synchronous motor and analyze the influence of the change of the structure size on the temperature rise, a 50kW permanent magnet synchronous motor is used as the object of study, and a half-domain model of the full length in the axial direction and 1/2 in the circumferential direction is established according to the original three-dimensional solution model, and the solution models corresponding to different size schemes are established according to the slot size. The temperature field of each dimension is calculated separately by the finite volume method, and the temperature rise of each part of the motor is compared when the slot width and the slot depth are varied separately, which reveals the distribution of temperature rise of the internal parts of the motor under the effect of different slot dimensions.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130258911","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
Modeling of Electric Arc Furnace for Power Quality Analysis 用于电能质量分析的电弧炉建模
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9958980
Ruiyang Xu, Shaoxiang Ma, M. Zhang
{"title":"Modeling of Electric Arc Furnace for Power Quality Analysis","authors":"Ruiyang Xu, Shaoxiang Ma, M. Zhang","doi":"10.1109/CIYCEE55749.2022.9958980","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9958980","url":null,"abstract":"Electric arc furnace (EAF) is one of the typical nonlinear loads in distribution network, which causes power quality problems such as harmonics and voltage flicker. In this paper, a time-domain simulation of AC EAF model for the research of power quality is established in MATLAB/Simulink and a simple multi-step parameter estimation method is proposed for a given EAF load. Considering the specific structure of EAF transformer, the arc model is obtained by combination and modification of classical Cassie and Mayr equations. The arc model is dynamically modulated by superimposing the sinusoidal and band-limited white noise signal to simulate the actual working conditions. The comparison between results from simulation and data from real measurement shows that the proposed model is capable of describing the time-varying, nonlinear and unbalanced characteristics of EAF accurately, which provides a reference for the research of the low-voltage side of the EAF transformer power quality problems.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131970688","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
Low carbon operation of integrated energy systems considering electric and thermal flexible loads 考虑电、热柔性负荷的综合能源系统低碳运行
2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE) Pub Date : 2022-11-03 DOI: 10.1109/CIYCEE55749.2022.9959054
Yu-hang Xia, Haoran Ge, Shaofei Hao, Wenjin Zou, Gang Ma
{"title":"Low carbon operation of integrated energy systems considering electric and thermal flexible loads","authors":"Yu-hang Xia, Haoran Ge, Shaofei Hao, Wenjin Zou, Gang Ma","doi":"10.1109/CIYCEE55749.2022.9959054","DOIUrl":"https://doi.org/10.1109/CIYCEE55749.2022.9959054","url":null,"abstract":"Integrated energy systems have the importance of reducing environmental pollution and improving energy efficiency levels. In order to give full play to the utility of flexible load in the integrated energy system, a low-carbon operation method of integrated energy system considering electro-thermal flexible load is proposed. Firstly, we analyze the operation mechanism of electro-thermal flexible load and establish the model of electro-thermal curtailable load and transferable load; secondly, we add the flexible load into the integrated energy system, consider the cost of external energy purchase, operation and maintenance cost and carbon penalty cost, and establish the low-carbon dispatch model of integrated energy system with flexible load; finally, we perform simulation in IEEE39 node to verify. The results show that compared with the traditional integrated energy system, the proposed integrated energy system with flexible load can effectively reduce the operation cost and carbon emission, and has higher economy and environmental protection.","PeriodicalId":143306,"journal":{"name":"2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130855854","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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