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An improved control method for PWM current source rectifier with active damping function 一种具有主动阻尼功能的PWM电流源整流器的改进控制方法
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939633
Longcheng Tan, Yao-hua Li, W. Xu, Ping-Jian Wang, Congwei Liu
{"title":"An improved control method for PWM current source rectifier with active damping function","authors":"Longcheng Tan, Yao-hua Li, W. Xu, Ping-Jian Wang, Congwei Liu","doi":"10.1109/ICIT.2009.4939633","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939633","url":null,"abstract":"The pulse width modulation (PWM) current source rectifier requires an LC filter to filter out the line current harmonics and to assist the commutation of switching devices, however, the use of the filter may affect the input power factor and cause LC resonances as well. In order to overcome the two drawbacks the LC filter brings, an improved control method for PWM current source rectifier with active damping function is proposed in this paper. The proposed power factor control method is based on the source voltage oriented d-q rotating frame, which is parameters insensitive and can make the rectifier get the maximum achievable power factor. Meanwhile, in order to suppress the LC resonance and to reduce the line current total harmonic distortion (THD) without the physical damping resistor, the active damping technique is adopted, which is realized together with the power factor control, directly through detecting the capacitor voltage. All these analyses and the effectiveness of the control method are firstly demonstrated by simulation results, and are verified further in a 5kVA laboratory prototype.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124573282","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
Analysis of the degradation tendency of industrial manufacturing devices and development of a general-purpose remote monitoring system 工业制造设备退化趋势分析及通用远程监控系统的开发
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939583
K. Sakamaki, Hideo Nakamura
{"title":"Analysis of the degradation tendency of industrial manufacturing devices and development of a general-purpose remote monitoring system","authors":"K. Sakamaki, Hideo Nakamura","doi":"10.1109/ICIT.2009.4939583","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939583","url":null,"abstract":"The general-purpose remote monitoring system for preventive maintenance is introduced based on the results of investigation and discussion of maintenance records. Only three measurement functions-voltage measurement, measurement of the number of pulses, and measurement of the pulse width-are sufficient as the basic functions of the general-purpose remote monitoring system. As determination criteria in the monitoring device four output items are assigned as basic functions. The output items are also transferred to the server of the manufacturer via the Internet. Using these circumstances high-level analytical diagnosis for preventive maintenance can be incorporated.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124952365","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
Three-phase backward/forward power flow solution considering three-phase distribution transformers 考虑三相配电变压器的三相后向/正向潮流解
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939610
E. Mashhour, S. M. Moghaddas-Tafreshi
{"title":"Three-phase backward/forward power flow solution considering three-phase distribution transformers","authors":"E. Mashhour, S. M. Moghaddas-Tafreshi","doi":"10.1109/ICIT.2009.4939610","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939610","url":null,"abstract":"This paper proposes a three-phase backward/forward power flow solution which can handle distribution transformers of various common winding connections in unbalanced system of multi voltage levels. The proposed algorithm is based on the power summation method and takes the power losses into account considering the mutual coupling between three phases. The transformers are modeled by transformer nodal admittance matrix and mathematical formulas concerning to backward/forward sweep calculations of transformers are presented in detail for power summation-based process. The validity and effectiveness of the proposed method is demonstrated by the test results.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127688518","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: 11
New optimized text localization and character segmentation algorithms for Slab identification numbers 新的优化文本定位和字符分割算法的平板识别号码
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939704
SungHoo Choi, J. Yun, Keunhwi Koo, J. Choi, Sang Woo Kim
{"title":"New optimized text localization and character segmentation algorithms for Slab identification numbers","authors":"SungHoo Choi, J. Yun, Keunhwi Koo, J. Choi, Sang Woo Kim","doi":"10.1109/ICIT.2009.4939704","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939704","url":null,"abstract":"This paper describes application-oriented text localization and character segmentation in images. Target texts in our application are often damaged by lots of various noise and, as a result, there are many unclear characters. Therefore, some special treatments are necessary to recognize these texts. In this paper, new optimized text localization and character segmentation algorithms are proposed. Experiments show that the proposed algorithms are fast and reliable.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116018612","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
Learning the demand function in oligopoly game for electric power bidding market 研究电力竞价市场寡头垄断博弈中的需求函数
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939584
Xin-hua Zhang
{"title":"Learning the demand function in oligopoly game for electric power bidding market","authors":"Xin-hua Zhang","doi":"10.1109/ICIT.2009.4939584","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939584","url":null,"abstract":"Demand function is partially known by all producers in electric power market, which is a important factor for power producers to choose their optimal bidding strategy. This paper presents a dynamic learning model, based on the discrepancy between the expected price of power producers and the price they actually observe, which has a unique steady state, where any subjective demand function coincides with the true demand function. In the particular case of a duopoly power producer, an exact delimitation of the stability region in the parameters' space is given, and the bifurcation, chaos attractor and the control of chaos applied delayed feedback control method, are analysed with the help of numerical simulations.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121270115","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
Predictive control strategies for converter and inverter 变换器和逆变器的预测控制策略
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939723
D. Schroder
{"title":"Predictive control strategies for converter and inverter","authors":"D. Schroder","doi":"10.1109/ICIT.2009.4939723","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939723","url":null,"abstract":"We will discuss in this paper predictive current control strategies for power electronic circuits with natural commutations, for voltage source - and current source - inverters. Due to the different behavior of these circuits we have to realize different strategies, but the general objective is to achieve the best dynamic behavior of the current control loop, independent of whether the current is continuous or discontinuous. This paper describes the state of the art at the end of the eighties for comparison of todays state of the development.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121288948","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: 9
The development of space vector PWM for four switch three phase inverter fed induction motor with DC - link voltage imbalance 针对直流环节电压不平衡的四开关三相逆变式异步电动机，研制了空间矢量PWM
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939714
Hong‐Hee Lee, P. Q. Dzung, Le Dinh Khoa, L. M. Phương
{"title":"The development of space vector PWM for four switch three phase inverter fed induction motor with DC - link voltage imbalance","authors":"Hong‐Hee Lee, P. Q. Dzung, Le Dinh Khoa, L. M. Phương","doi":"10.1109/ICIT.2009.4939714","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939714","url":null,"abstract":"This paper is to present a new space vector pulse width modulation (PWM) algorithm for four switch three phase inverter (FSTPI) fed induction motor under DC-link voltage imbalance. By using reasonable mathematical transform, Space Vector PWM (SVPWM) technique for FSTPI under DC-link voltage imbalance or ripples have been solved, which is based on the establishment of basic space vectors and modulation technique in similarity with six-switch three-phase inverters. This approach has a very important sense to solve hard problems for FSTPI under DC-link voltage imbalance, for example ensuring the required voltage for undermodulation mode and overmodulation mode 1 and 2, extended to six-step mode. Matlab/ Simulink is used for the simulation of the proposed SVPWM algorithm for undermodulation, overmodulation mode 1 and 2. This SVPWM approach is also validated experimentally using DSP TMS320LF2407a in FSTPI-IM system.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"225 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116300719","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: 7
Application of opto-tactile sensor in shearer machine design to recognise rock surfaces in underground coal mining 光触觉传感器在采煤机设计中的应用及其在煤矿井下岩石表面识别中的应用
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939645
R. Sahoo, A. Mazid
{"title":"Application of opto-tactile sensor in shearer machine design to recognise rock surfaces in underground coal mining","authors":"R. Sahoo, A. Mazid","doi":"10.1109/ICIT.2009.4939645","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939645","url":null,"abstract":"the success of automation applications in the mining industry traditionally has not been well. In many of these cases the benefits of automation have been advertised as the definitive solution to a wide variety of problems faced by the mining industry, such as increased safety and improved productivity. These applications have in many cases been introduced prematurely without adequate consideration of the rigors of the mining environment.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126660390","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: 11
Hybrid ant system/priority list method for unit commitment problem with operating constraints 具有运行约束的机组承诺问题的混合蚂蚁系统/优先列表方法
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939612
K. Withironprasert, S. Chusanapiputt, D. Nualhong, S. Jantarang, S. Phoomvuthisarn
{"title":"Hybrid ant system/priority list method for unit commitment problem with operating constraints","authors":"K. Withironprasert, S. Chusanapiputt, D. Nualhong, S. Jantarang, S. Phoomvuthisarn","doi":"10.1109/ICIT.2009.4939612","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939612","url":null,"abstract":"This paper presents a new method to solve unit commitment problem with operating constraints using a hybrid ant system/priority list method (HASP). The proposed methodology employs ant system in cooperating with the priority list method to find unit commitment solution as means of mutually combining the advantages of them in that a flexibility of the priority list method is reinforced, while AS algorithm can gain the benefit of using bias information for improving its performance during search process. The simulation results show that the proposed HASP is capable of obtaining satisfactory solution within reasonable computational time. Moreover, the proposed HASP can be extensively applied to handle the ramp rate limits and the operating reserve constraint, which are important for modern power system operation.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"465 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124368562","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: 11
Performance analysis-based GA parameter selection and increase of μGA accuracy by gradual contraction of solution space 基于性能分析的遗传算法参数选择和逐步压缩解空间提高μGA精度
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939616
D. Duzanec, Z. Kovačić
{"title":"Performance analysis-based GA parameter selection and increase of μGA accuracy by gradual contraction of solution space","authors":"D. Duzanec, Z. Kovačić","doi":"10.1109/ICIT.2009.4939616","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939616","url":null,"abstract":"Although methods for design of genetic algorithms (GA) are well established, general expressions for determination of optimal GA parameters are still missing. There is also a problem of possible inaccuracy of a found solution. This paper describes a GA performance analysis for a selected vector-based optimization problem that has led to useful GA parameter selection criteria. The paper also describes a new method for increasing the precision of a complementary micro genetic algorithm (μGA) by enforcing gradual contraction of the space of candidate solutions during optimization. The enhanced μGA has been tested on the model of a 13-DOF tentacle robot, and the performance analysis showed significant improvement of accuracy without affecting the duration of the algorithm.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131264474","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
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