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

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Research on Electric Energy Metering of Burtauhai Traction Substation 泊头海牵引变电站电能计量研究
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00067
Yongle Dong, Da'erhan, Xuebin Song, Mingtao Yang, Tong Wang, Shuting Zhang, Fuqiang Tian
{"title":"Research on Electric Energy Metering of Burtauhai Traction Substation","authors":"Yongle Dong, Da'erhan, Xuebin Song, Mingtao Yang, Tong Wang, Shuting Zhang, Fuqiang Tian","doi":"10.1109/IFEEA51475.2020.00067","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00067","url":null,"abstract":"Traction load is an important load of the power system, and low power factor, large negative sequence power, high harmonic content are prominent problems of power quality in traction substations, which seriously affects the accuracy of power measurement Sex. The article introduces the national standards related to power quality, statistically analyzes the actual measurement data of the traction substation, and proposes an effective power measurement plan for its existing power quality problems.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"7 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":"115398485","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-market Bidding Model for Generation Enterprises Based on Mean-CVaR Theory 基于均值cvar理论的发电企业多市场竞价模型
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00093
Yanling Wang, Yunping Li, Jingya Su, Chan Wu
{"title":"Multi-market Bidding Model for Generation Enterprises Based on Mean-CVaR Theory","authors":"Yanling Wang, Yunping Li, Jingya Su, Chan Wu","doi":"10.1109/IFEEA51475.2020.00093","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00093","url":null,"abstract":"Spot market is now under construction in China, which enriches the power trade greatly, and makes the power market tend to be multiple and diverse. When participating in the multi-market transaction, it is necessary for generation enterprises to develop a scientific strategy in order to search for profit and avoid risk. Firstly, based on the mean-CVaR theory, a multi-market competition model striking the balance between risks and benefits for generation enterprises is proposed in this paper. Then, considering the status quo and prospect of power market in China, a case of generation enterprise participating in long-term market, spot market and operating reserve market is studied with the model, Finally, the correlations between yield rate and CVaR, electricity distribution proportion are analyzed.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"60 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":"114187379","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
Harmonic Analysis of Nonlinear Periodic Network Using the Dynamic Harmonic Domain 基于动态谐波域的非线性周期网络谐波分析
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00132
K. Gao, Runsheng Xie, Guorong Zhang
{"title":"Harmonic Analysis of Nonlinear Periodic Network Using the Dynamic Harmonic Domain","authors":"K. Gao, Runsheng Xie, Guorong Zhang","doi":"10.1109/IFEEA51475.2020.00132","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00132","url":null,"abstract":"The magnetizing effect of the transformer can cause harmonic pollution in the power system, so it is necessary to accurately assess the harmonic transient and coupling characteristics of the transformer. First, the dynamic harmonic domain model of an unloaded single phase transformer is established. The model includes each harmonic generated by the nonlinear inductance and reflects the interaction relationship of each frequency harmonic variable. Secondly, the steady-state response of the inrush current derived by the model is solved by Newton's iterative method. This method can greatly reduce the simulation time to obtain the steady-state initial conditions in the time domain. The variation of the input source amplitude and phase angle, and the disturbance of the DC component will cause the harmonics of the inrush current to change significantly. The simulation results show that the variation of amplitude affects the amplitude and phase angle of each harmonic. The phase angle change only affects the phase angle of each harmonic. DC bias will cause even harmonics in the transformer. Finally, the transformer small signal model in the harmonic domain is established, and the coupling characteristics of the transformer harmonics are analyzed by the harmonic transfer function matrix. The results show that the odd numbered disturbances of the voltage will generate all odd numbered current harmonics, not the even numbered current harmonics.","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":"115275538","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: 4
Research on reliability Optimization design of multilayer porcelain dielectric capacitance of aerospace electronic products based on dynamic simulation 基于动态仿真的航天电子产品多层瓷介质电容可靠性优化设计研究
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00037
Zhang Yu, L. Mi
{"title":"Research on reliability Optimization design of multilayer porcelain dielectric capacitance of aerospace electronic products based on dynamic simulation","authors":"Zhang Yu, L. Mi","doi":"10.1109/IFEEA51475.2020.00037","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00037","url":null,"abstract":"In this paper, the cracking fault occurred in the dynamic environment of the multi-layer porcelain dielectric capacity used in a aerospace electronic product. The stress and deformation response in the PCB area where the multi-layer porcelain dielectric capacity is located are reduced by a reasonable PCB layout. Damping materials are added to PCB to reduce vibration. The nonlinear damping characteristics of material damping and energy filtering are used to realize energy consumption in the area of multi-layer porcelain dielectric capacity on PCB.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"6 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":"114244224","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
Organizing Committee of IFEEA 2020 IFEEA 2020组委会
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/ifeea51475.2020.00006
{"title":"Organizing Committee of IFEEA 2020","authors":"","doi":"10.1109/ifeea51475.2020.00006","DOIUrl":"https://doi.org/10.1109/ifeea51475.2020.00006","url":null,"abstract":"","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"34 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":"127715438","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 Rolling Force Prediction Method of High Precision Cold Rolling Based on XGBoost Algorithm 基于XGBoost算法的高精度冷轧轧制力预测方法研究
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00203
Yafei Chen, Fangsheng Chen, Lianggui Peng, C. He, Changsheng Li
{"title":"Research on Rolling Force Prediction Method of High Precision Cold Rolling Based on XGBoost Algorithm","authors":"Yafei Chen, Fangsheng Chen, Lianggui Peng, C. He, Changsheng Li","doi":"10.1109/IFEEA51475.2020.00203","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00203","url":null,"abstract":"The rolling force is the most active factor in the cold continuous rolling process, which seriously affects the accuracy of its shape and thickness control. In order to predict the rolling force with high accuracy, this paper establishes the deformation resistance model of DP590 dual-phase steel through rolling and tensile experiments, and obtains the deformation resistance of DP590 dual-phase steel from the cumulative reduction rate of each pass in the production history data. It is used as a rolling force feature input. After screening redundant features and irrelevant features, the three rolling force prediction methods based on random forest, XGboost and least squares linear regression are compared; the results show that the XGboost algorithm has R2 and mean square error Better, the rolling force prediction accuracy after optimizing through the learning curve is higher, R2 can reach 0.99, and the mean square error MSE reaches 121 kN.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"36 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":"125885486","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
Failure analysis of die-casting mold ejector rod based on eigenvalue buckling theory 基于特征值屈曲理论的压铸模顶杆失效分析
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00209
Wendi Zhou, Xuechang Zhang, Wenhang Dong, Yongyue Liu
{"title":"Failure analysis of die-casting mold ejector rod based on eigenvalue buckling theory","authors":"Wendi Zhou, Xuechang Zhang, Wenhang Dong, Yongyue Liu","doi":"10.1109/IFEEA51475.2020.00209","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00209","url":null,"abstract":"Aiming at the problem that the ejector rod in the die-casting mold fails and loses its load-bearing capacity under actual harsh conditions, this paper analyzes the failure of the ejector rod due to buckling instability from the eigenvalue buckling theory, and proposes a combination of theoretical calculation and finite element simulation analysis method. Using Workbench finite element analysis software, a finite element numerical analysis model of the experimental device that simulates the mold conditions was established. Through static simulation analysis, linear buckling analysis and nonlinear buckling analysis of the experimental device, the buckling mode, displacement, stress, strain nephogram and deflection curve of the experimental device under a given load are given. The reliability of the simulation results is proved by the mutual verification between the theoretical calculation results and the simulation results.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"42 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":"126986857","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
Design and development of environmental protection intelligent second-hand trading system in universities 高校环保智能二手交易系统的设计与开发
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00190
Zhu Tianyin, Z. Shuai, Wu Qiwen, Shang Ziqiao
{"title":"Design and development of environmental protection intelligent second-hand trading system in universities","authors":"Zhu Tianyin, Z. Shuai, Wu Qiwen, Shang Ziqiao","doi":"10.1109/IFEEA51475.2020.00190","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00190","url":null,"abstract":"The increasing popularity of online shopping not only facilitates people's life, but also stimulates people's desire for consumption, causing college students to buy a lot of idle items, resulting in a waste of resources. By studying the relatively common trading methods of second-hand items that currently exist, it is found that they all have certain limitations and are not convenient and practical enough for the special needs group of college students. Therefore, designing a convenient second-hand trading platform for college students has market potential and practical significance. This article has developed and designed a set of offline intelligent trading cabinets based on Raspberry Pi. The system is mainly composed of the master Raspberry Pi, 4G wireless communication module, WeChat applet platform and intelligent trading cabinets. The entire system processes data in the cloud, which is relatively stable in operation. The operation page is simple and beautiful, and it is convenient and time-saving to use. The system can help college students use the old things around them and make a practical contribution to green environmental protection. At the same time, direct income can also help students earn the first pot of gold in their lives.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"12 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":"121868918","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 synchronous control strategy of combining virtual shaft and deviation coupling 一种虚拟轴与偏差耦合相结合的同步控制策略
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00129
Xinyu Wu, Yifei Wu, Cuiyan Zhang, Aiping Cheng
{"title":"A novel synchronous control strategy of combining virtual shaft and deviation coupling","authors":"Xinyu Wu, Yifei Wu, Cuiyan Zhang, Aiping Cheng","doi":"10.1109/IFEEA51475.2020.00129","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00129","url":null,"abstract":"This paper takes the four-motor drive servo system as the object, researches on the advantages of deviation coupling control and virtual shaft control. On this basis a new synchronous control strategy of combining virtual shaft and deviation coupling is proposed. The strategy introduces a concept of mean-value coupling and a composite synchronous control strategy, so that the synchronous compensator can make reuse of one calculation results. Furthermore, this strategy compensates for the slow response and poor adaptability problems associated with traditional methods. By building simulation platform through MATLAB/Simulink, compared with the existing methods, the synchronous control strategy designed in this paper has better synchronicity, stability and adaptability.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"10 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":"122762170","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: 4
Experimental study on dynamic evolution of thin film coating on vertical fibre 垂直纤维薄膜涂层动态演化的实验研究
2020 7th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2020-09-01 DOI: 10.1109/IFEEA51475.2020.00051
Xin-Kang Chen, Xue Chen, Rong Liu, Wei Zhang, Li-Min Zheng, Bo Guo, Q. Xie
{"title":"Experimental study on dynamic evolution of thin film coating on vertical fibre","authors":"Xin-Kang Chen, Xue Chen, Rong Liu, Wei Zhang, Li-Min Zheng, Bo Guo, Q. Xie","doi":"10.1109/IFEEA51475.2020.00051","DOIUrl":"https://doi.org/10.1109/IFEEA51475.2020.00051","url":null,"abstract":"The flow characteristics of the coating film on the cylindrical filament is an important factor affecting the quality of the coating, and it has a wide range of application prospects in engineering applications. Existing researches mainly focus on analyzing the flow pattern characteristics of liquid film on cylindrical filaments, but there is still a lack of research on the dynamic evolution of liquid film with different filament diameters. With the increase of the flow rate, the liquid flow characteristics of different filament diameters are transformed from zone C to zone B, and then into zone A, which is in the conversion mode of C-B-A, but the critical flow rate of transition between C-B-A zones increases with the filament the diameter increases and decreases. As the viscosity of the liquid increases, the droplet spacing will stabilize at about 5.3mm after a certain flow rate. The flow rate of the liquid will decrease significantly as the viscosity of the liquid increases. On this basis, the spatial-temporal diagram was drawn to reveal the dynamic evolution law of the flow of high-viscosity liquid on the filament. This research will enrich and perfect the dynamic theory of film flow on cylindrical filaments, and propose new methods for controlling interface stability and dynamic behavior.","PeriodicalId":285980,"journal":{"name":"2020 7th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"1 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":"121857179","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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