With the development of power electronic technology, the harmonic pollution in power grid system is more and more serious which influences the economical operation of power grid and the economic performance of a large mount of power customers enormously. The traditional smart electricity meter can not meter harmonic content in the system of power grid, so the harmonic smart electricity meter that has the function of metering harmonic is applied in system gradually[1-3]. Most of the harmonic meters adopt the algorithm of FFT to detect the harmonic content, unfortunately, the algorithm has the disadvantage of spectrum leakage, it causes the uneven of the quality from different manufactures, so how to ensure the reliability of the harmonic meters is the important problem that needs to be resolved[4-6]. So this paper proposes an error verification device of harmonic meters, it can output different amplitude, different phase, different frequency of the voltage and current through power source, then transform the data detected by the measured harmonic meters and from reference standard to error calculator, so can verify the metering error of the harmonic meters quickly. The device that this paper proposed can verify the measured harmonic meters qualified or not, so to ensure the reliability of harmonic meters and fairness of trade settlement.
{"title":"Research on Error Verification of Harmonic Smart Electricity Meter","authors":"Xianguang Dong, Zhe Li, Yanjie Dai, Qing Wang, Zhi Zhang, Pingxin Wang, Zhiru Chen, Tingting Wang, Ziqian Xu","doi":"10.1109/ICMCCE.2018.00065","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00065","url":null,"abstract":"With the development of power electronic technology, the harmonic pollution in power grid system is more and more serious which influences the economical operation of power grid and the economic performance of a large mount of power customers enormously. The traditional smart electricity meter can not meter harmonic content in the system of power grid, so the harmonic smart electricity meter that has the function of metering harmonic is applied in system gradually[1-3]. Most of the harmonic meters adopt the algorithm of FFT to detect the harmonic content, unfortunately, the algorithm has the disadvantage of spectrum leakage, it causes the uneven of the quality from different manufactures, so how to ensure the reliability of the harmonic meters is the important problem that needs to be resolved[4-6]. So this paper proposes an error verification device of harmonic meters, it can output different amplitude, different phase, different frequency of the voltage and current through power source, then transform the data detected by the measured harmonic meters and from reference standard to error calculator, so can verify the metering error of the harmonic meters quickly. The device that this paper proposed can verify the measured harmonic meters qualified or not, so to ensure the reliability of harmonic meters and fairness of trade settlement.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116905229","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00096
Qisheng Xu, Hua Zhong
There exists a direct wear influence of trapezoidal screw thread on its service life. It is necessary to determine the wear law to forecast the wear distance in order to design trapezoidal threaded rod. Therefore, the test bed is built to obtain a large amount of abrasion data at different speeds. And the wear data at 300 rpm is denoised by wavelet packet to smooth. And according to the data curvilinear trend, a variety of functions such as polynomial functions, power functions etc. are used to fit the data. Several fit goodness parameters show the best fitting function is a power function; and moreover, the fitting effect using the noised data is better than the original data by comparison. In addition, correlation analysis of data on both sides of the threaded rod proves that the two rods are of the high relevancy in wear. And during running-in preliminary stage, the difference between data from both side rods becomes gradually the biggest, but it tends to be stable since then.
{"title":"Abrasion Loss Prediction of Trapezoidal Thread Rod Based on Denoised Data","authors":"Qisheng Xu, Hua Zhong","doi":"10.1109/ICMCCE.2018.00096","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00096","url":null,"abstract":"There exists a direct wear influence of trapezoidal screw thread on its service life. It is necessary to determine the wear law to forecast the wear distance in order to design trapezoidal threaded rod. Therefore, the test bed is built to obtain a large amount of abrasion data at different speeds. And the wear data at 300 rpm is denoised by wavelet packet to smooth. And according to the data curvilinear trend, a variety of functions such as polynomial functions, power functions etc. are used to fit the data. Several fit goodness parameters show the best fitting function is a power function; and moreover, the fitting effect using the noised data is better than the original data by comparison. In addition, correlation analysis of data on both sides of the threaded rod proves that the two rods are of the high relevancy in wear. And during running-in preliminary stage, the difference between data from both side rods becomes gradually the biggest, but it tends to be stable since then.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131883765","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00016
Xin Liu, Panwei Ma, Genhua He, Dong Wang
For the problems of traditional LCL-type grid-connected inverters have resonance spikes and grid-connected inverters of split-capacitor single-loop control have low power factor. A novel dual-current loop control strategy is proposed in which the split-capacitor intermediate current is used as the inner loop and the grid-connected current is used as the outer loop. The simulation results of Matlab/Simulink are given. The simulation results show that the LCL type single-phase grid-connected inverter can achieve low-harmonic and high-power factor grid connection using this strategy, which verifies the feasibility of this control strategy.
{"title":"Study on Control Strategy of LCL Type Single-Phase Grid-Connected Inverter","authors":"Xin Liu, Panwei Ma, Genhua He, Dong Wang","doi":"10.1109/ICMCCE.2018.00016","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00016","url":null,"abstract":"For the problems of traditional LCL-type grid-connected inverters have resonance spikes and grid-connected inverters of split-capacitor single-loop control have low power factor. A novel dual-current loop control strategy is proposed in which the split-capacitor intermediate current is used as the inner loop and the grid-connected current is used as the outer loop. The simulation results of Matlab/Simulink are given. The simulation results show that the LCL type single-phase grid-connected inverter can achieve low-harmonic and high-power factor grid connection using this strategy, which verifies the feasibility of this control strategy.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124423471","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00075
Xinyi Wang
A signal enhancement algorithm for SNR maximization of specified frequency range is proposed in this paper to improve the signal enhancement performance, which uses a priori knowledge of the covariance matrix of noise in the mixed signal, enhances the required signal and maximizes the SNR of specified frequency range by linear combination of multi-channel received signals. The algorithm in this paper is derived and simulated compared with the signal enhancement algorithm of time domain, the result shows that the enhanced signal has maximal SNR of specified frequency range, and the algorithm has a obviously better performance and application value.
{"title":"A Signal Enhancement Algorithm by SNR Maximization of Specified Frequency Range","authors":"Xinyi Wang","doi":"10.1109/ICMCCE.2018.00075","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00075","url":null,"abstract":"A signal enhancement algorithm for SNR maximization of specified frequency range is proposed in this paper to improve the signal enhancement performance, which uses a priori knowledge of the covariance matrix of noise in the mixed signal, enhances the required signal and maximizes the SNR of specified frequency range by linear combination of multi-channel received signals. The algorithm in this paper is derived and simulated compared with the signal enhancement algorithm of time domain, the result shows that the enhanced signal has maximal SNR of specified frequency range, and the algorithm has a obviously better performance and application value.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"602 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116337618","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}
Pub Date : 2018-09-01DOI: 10.1109/icmcce.2018.00104
S. Hou, Tiebin Wu, Dong Hu, Xin-miao Xiao, Yunlian Liu
A smart electric push-pull window composed of an actuator, a control system, a data acquisition system, a data processing system, a weather website, and a window. The system can collect real-time weather information such as temperature, relative humidity, PM2.5, wind speed, and cloudy or cloudy weather on the Internet through a data acquisition system. Then the data processing system intelligently decides to open the window to a certain width, and the control system and the actuator control the opening of the window to a predetermined width. The intelligent window can intelligently adjust the opening of the window according to the change of the weather, so as to improve the indoor temperature and humidity, and improve the indoor air quality and light. This intelligent window system has great application value.
{"title":"Intelligent Window System for Obtaining Weather Information Based on Internet","authors":"S. Hou, Tiebin Wu, Dong Hu, Xin-miao Xiao, Yunlian Liu","doi":"10.1109/icmcce.2018.00104","DOIUrl":"https://doi.org/10.1109/icmcce.2018.00104","url":null,"abstract":"A smart electric push-pull window composed of an actuator, a control system, a data acquisition system, a data processing system, a weather website, and a window. The system can collect real-time weather information such as temperature, relative humidity, PM2.5, wind speed, and cloudy or cloudy weather on the Internet through a data acquisition system. Then the data processing system intelligently decides to open the window to a certain width, and the control system and the actuator control the opening of the window to a predetermined width. The intelligent window can intelligently adjust the opening of the window according to the change of the weather, so as to improve the indoor temperature and humidity, and improve the indoor air quality and light. This intelligent window system has great application value.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115354444","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00014
Jing Peng, Qiang Wang, Ying Zhang
In order to reduce the influence of vibration to the system, construct the new reduction system was studied by the existing vibration theory and practical application of vibration reduction measures. First of all, the causes of the vibration were analyzed and classified. Then, vibration and vibration reduction were studied from three aspects of vibration test system, analytical method and the application of vibration reduction in engineering. Finally, a new vibration reduction system was proposed on the basis of full consideration and synthesis the above research.
{"title":"Vibration Problems and Application of Vibration Reduction System in Engineering","authors":"Jing Peng, Qiang Wang, Ying Zhang","doi":"10.1109/ICMCCE.2018.00014","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00014","url":null,"abstract":"In order to reduce the influence of vibration to the system, construct the new reduction system was studied by the existing vibration theory and practical application of vibration reduction measures. First of all, the causes of the vibration were analyzed and classified. Then, vibration and vibration reduction were studied from three aspects of vibration test system, analytical method and the application of vibration reduction in engineering. Finally, a new vibration reduction system was proposed on the basis of full consideration and synthesis the above research.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127389522","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00059
H. Chen, C. Lin, W. Jia
To further improve the similarity of a ship's magnetic field simulated using magnets, a two-axis magnet simulation scheme is proposed. The two-axis magnet is a new scheme with the same iron core, two windings, coaxial and orthogonal magnets. The shape of iron core, and the formation of solenoid winding and saddle-shaped winding are designed. The material of iron core, dimensional parameters, current flowing through windings, and number of turns are determined through calculation. The results show that the design of the two-axis magnet ensures that the volume and weight of the two-axis magnet do not exceed the standards, and its performance indicators meet or exceed the expectation. The design can provide a reference for the design and calculation of magnets with new structure.
{"title":"A Method for Design Calculation of Two-Axis Magnet","authors":"H. Chen, C. Lin, W. Jia","doi":"10.1109/ICMCCE.2018.00059","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00059","url":null,"abstract":"To further improve the similarity of a ship's magnetic field simulated using magnets, a two-axis magnet simulation scheme is proposed. The two-axis magnet is a new scheme with the same iron core, two windings, coaxial and orthogonal magnets. The shape of iron core, and the formation of solenoid winding and saddle-shaped winding are designed. The material of iron core, dimensional parameters, current flowing through windings, and number of turns are determined through calculation. The results show that the design of the two-axis magnet ensures that the volume and weight of the two-axis magnet do not exceed the standards, and its performance indicators meet or exceed the expectation. The design can provide a reference for the design and calculation of magnets with new structure.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127482987","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00049
Jinglan Yu, Rui-juan Yang, Shaohua Luo, Dongjin Li
Aiming at the problem of cooperative relationship between nodes in the detection efficiency evaluation for multi-function radio frequency system (MFRFS), an improved efficiency evaluation method based on entropy is proposed. Firstly, the information network process model is established when MFRFS performs the detection task, each node is established, the corresponding influencing factors and its membership function are selected. Then the uncertainty of each node under the cooperative relationship is calculated. And finally the detection efficiency evaluation for MFRFS is achieved combining the network complexity factor. The example calculation results show that the evaluation method is suitable for complex MFRFS.
{"title":"A Multi-function Radio Frequency System Detection Efficiency Evaluation Method Based on Entropy","authors":"Jinglan Yu, Rui-juan Yang, Shaohua Luo, Dongjin Li","doi":"10.1109/ICMCCE.2018.00049","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00049","url":null,"abstract":"Aiming at the problem of cooperative relationship between nodes in the detection efficiency evaluation for multi-function radio frequency system (MFRFS), an improved efficiency evaluation method based on entropy is proposed. Firstly, the information network process model is established when MFRFS performs the detection task, each node is established, the corresponding influencing factors and its membership function are selected. Then the uncertainty of each node under the cooperative relationship is calculated. And finally the detection efficiency evaluation for MFRFS is achieved combining the network complexity factor. The example calculation results show that the evaluation method is suitable for complex MFRFS.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125146961","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}
Pub Date : 2018-09-01DOI: 10.1109/icmcce.2018.00129
Yuan Chen, Yang Xu, Wenjin Liu
Multi-angle face detection, has a wide range of application needs in our lives. However, due to the large difference in facial features at different angles, it brings certain challenges for detection. In order to solve this problem more efficiently, we propose Step-by-Step Adjustment Networks(SAN) to perform multi-angle face detection in a coarse-to-fine manner. The method contains three stages, the first stage is that distinguish the target is human or cat's face or non-face. Then each candidate target's face orientation will be adjust to upright gradually. Initially, the position of bounding box need to be divided by several steps, and only predicting coarse orientations. Our SAN can achieve gradually decreasing the rotate ranges, and obtain accurately detect consequence with full 360? rotate angles. The experiments on Multi-Oriented FDDB and a challenging subset of WIDER FACE containing rotated facial include human and cat's, the result show that our SAN can achieve good performance.
{"title":"Multi-angle Face Detection with Step-by-Step Adjustment Networks","authors":"Yuan Chen, Yang Xu, Wenjin Liu","doi":"10.1109/icmcce.2018.00129","DOIUrl":"https://doi.org/10.1109/icmcce.2018.00129","url":null,"abstract":"Multi-angle face detection, has a wide range of application needs in our lives. However, due to the large difference in facial features at different angles, it brings certain challenges for detection. In order to solve this problem more efficiently, we propose Step-by-Step Adjustment Networks(SAN) to perform multi-angle face detection in a coarse-to-fine manner. The method contains three stages, the first stage is that distinguish the target is human or cat's face or non-face. Then each candidate target's face orientation will be adjust to upright gradually. Initially, the position of bounding box need to be divided by several steps, and only predicting coarse orientations. Our SAN can achieve gradually decreasing the rotate ranges, and obtain accurately detect consequence with full 360? rotate angles. The experiments on Multi-Oriented FDDB and a challenging subset of WIDER FACE containing rotated facial include human and cat's, the result show that our SAN can achieve good performance.","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130459136","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}
Pub Date : 2018-09-01DOI: 10.1109/ICMCCE.2018.00021
Yulan Hu, Shengcai Geng, Weiguang Hao, Nannan Hu
Aiming at the high-precision, high-efficiency and high-quality processing problems in the field of micro-machining, a new method of laser electrolysis combined machining was proposed. For the laser processing process easy to produce thermal effects and smooth electrolytic processing, the electrolyte circulation control system based on laser electrolysis combined processing was designed. The principle of the control system was analyzed, the hardware structure of the control system was built, and the software system was designed in detail. The system realized the automatic control of the electrolyte circulation control system through the opening and closing of each component
{"title":"Research on Electrolyte Circulation Control System in Microfabrication","authors":"Yulan Hu, Shengcai Geng, Weiguang Hao, Nannan Hu","doi":"10.1109/ICMCCE.2018.00021","DOIUrl":"https://doi.org/10.1109/ICMCCE.2018.00021","url":null,"abstract":"Aiming at the high-precision, high-efficiency and high-quality processing problems in the field of micro-machining, a new method of laser electrolysis combined machining was proposed. For the laser processing process easy to produce thermal effects and smooth electrolytic processing, the electrolyte circulation control system based on laser electrolysis combined processing was designed. The principle of the control system was analyzed, the hardware structure of the control system was built, and the software system was designed in detail. The system realized the automatic control of the electrolyte circulation control system through the opening and closing of each component","PeriodicalId":198834,"journal":{"name":"2018 3rd International Conference on Mechanical, Control and Computer Engineering (ICMCCE)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124625291","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}
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