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Improved power conditioning system of micro-hydro power plant for distributed generation applications 用于分布式发电的改进的微型水电厂功率调节系统
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472461
M. Molina, M. Pacas
{"title":"Improved power conditioning system of micro-hydro power plant for distributed generation applications","authors":"M. Molina, M. Pacas","doi":"10.1109/ICIT.2010.5472461","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472461","url":null,"abstract":"A small-scale hydropower station is usually a run-of-river plant that uses a fixed speed drive with mechanical regulation of the turbine water flow rate for controlling the active power generation. This design enables to reach high efficiency over a wide range of water flows but using a complex operating mechanism, which is in consequence expensive and tend to be more affordable for large systems. This paper proposes an advanced structure of a micro-hydro power plant (MHPP) based on a smaller, lighter, more robust and more efficient higher-speed turbine. The suggested design is much simpler and eliminates all mechanical adjustments through a novel efficient electronic power conditioning system (PCS) for connection to the electric grid. In this way, it allows obtaining higher reliability and lower cost of the power plant. Moreover, a full detailed model of the MHPP is derived and a three-level control scheme is designed, comprising a full decoupled current control strategy in the synchronous-rotating d-q reference frame. The dynamic performance of the proposed systems is fully validated by digital simulation carried out by using SimPowerSystems of MATLAB/Simulink.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129101796","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: 45
Optimization of hybrid mechanical systems 混合动力机械系统的优化
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICEEE.2012.6421210
A. García, V. Azhmyakov, M. Basin
{"title":"Optimization of hybrid mechanical systems","authors":"A. García, V. Azhmyakov, M. Basin","doi":"10.1109/ICEEE.2012.6421210","DOIUrl":"https://doi.org/10.1109/ICEEE.2012.6421210","url":null,"abstract":"This paper deals with multiobjective optimization techniques for a class of hybrid optimal control problems in mechanical systems. We deal with a general nonlinear hybrid control systems described by boundary-value problems associated with hybrid-type Euler-Lagrange or Hamilton equations. The variational structure of the corresponding solutions makes it possible to reduce the original ”mechanical” problem to an auxiliary multiobjective programming reformulation. This approach motivates possible applications of theoretical and computational results from multiobjective optimization related to the original dynamical optimization problem. We consider first order optimality conditions for optimal control problems governed by hybrid mechanical systems and also discuss some conceptual algorithms.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"229 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130881997","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
Low cost wireless sensor network for in-field operation monitoring of induction motors 用于感应电机现场运行监测的低成本无线传感器网络
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472560
J. P. Amaro, F. Ferreira, R. Cortesão, N. Vinagre, Rui Brás
{"title":"Low cost wireless sensor network for in-field operation monitoring of induction motors","authors":"J. P. Amaro, F. Ferreira, R. Cortesão, N. Vinagre, Rui Brás","doi":"10.1109/ICIT.2010.5472560","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472560","url":null,"abstract":"In most modern industries there is a growing need for high efficiency and availability in motor driver systems. Moreover, motor operation monitoring is necessary to the implementation of proper and cost-effective motor maintenance, repair and replacing strategies. In this paper, a wireless sensor network for in-field operation monitoring of three-phase squirrel-cage induction motors is proposed. The network is able to sink operation-related data of several motors to one central point. A number of hardware platforms for wireless sensor networks where evaluated and a low-cost platform was chosen to implement a simple operative communication protocol. The protocol is used to improve deployment and commissioning of the wireless network which are time and manpower consuming tasks and, therefore, has to be regarded as one of the main cost factors when using and implementing one such network. Furthermore in industrial environment node placement is not random because each node has to perform a specific task (e.g., monitoring a specific machine). All operational data is provided by a device that is able to read line currents, line-to-line voltages and temperatures, and performs several calculations such as power consumption, power factor, load factor, voltage and current unbalance. This device is also able to automatically manage the stator winding connection mode as a function of the linear current, in order to improve motor efficiency and power factor.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130226278","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: 33
Low-cost sliding-mode power controller of a stand-alone photovoltaic module 独立光伏组件的低成本滑模功率控制器
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472600
F. Inthamoussou, H. De Battista, M. Cendoya
{"title":"Low-cost sliding-mode power controller of a stand-alone photovoltaic module","authors":"F. Inthamoussou, H. De Battista, M. Cendoya","doi":"10.1109/ICIT.2010.5472600","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472600","url":null,"abstract":"This work presents a simple and low-cost power electronic system that allows a flexible control of the operating conditions of the photovoltaic module. The system consists of a buck converter with sliding mode control. Control algorithms for maximum power tracking, module voltage and load current regulation are proposed. Moreover, these algorithms can be readily combined to have a complete control of the energy conversion system. The dynamic analysis reveals that there may be regions of instability that are avoided by appropriate switching logics. Operation and main features of the proposed electronic power controller are validated through simulation and experimental results.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130236572","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
Reduced order fuzzy sliding mode control for linear synchronous motor systems 线性同步电机系统的降阶模糊滑模控制
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472770
Yisheng Huang, C. Sung, C. Yu
{"title":"Reduced order fuzzy sliding mode control for linear synchronous motor systems","authors":"Yisheng Huang, C. Sung, C. Yu","doi":"10.1109/ICIT.2010.5472770","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472770","url":null,"abstract":"This paper proposed a new fuzzy sliding mode controller that integrates the fuzzy logic control and the sliding mode control method. The proposed controller allows designers to employ switching function as the fuzzy logic control input directly in permanent magnet linear synchronous motor systems. Furthermore, the fuzzy logic control rule is independent of the number of system state variables, and can be minimized. Our proposed controlled system can be performed without the need of the complicated frame transform based on the direct thrust control policy. Additionally, the fast response of the closed loop system can be obtained and the chattering phenomenon can be avoided. Finally, the effectiveness of this control scheme is verified by the simulation and experimental results.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121303722","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
Transient modeling and analysis of induction motors with position effects in stator turn faults 感应电动机定子转动故障时位置效应的暂态建模与分析
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472619
D. Patel, M. Chandorkar
{"title":"Transient modeling and analysis of induction motors with position effects in stator turn faults","authors":"D. Patel, M. Chandorkar","doi":"10.1109/ICIT.2010.5472619","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472619","url":null,"abstract":"Stator turn faults are among the most common electrical faults in induction machines. They are usually caused by the short-circuit of a few turns of a stator winding, and are difficult to locate within the winding. Because of the distributed stator windings used in induction motors, motor behavior under these faults depends upon fault location and number of short-circuited turns. This paper is concerned with transient modeling of induction machines, explicitly considering both, stator fault position and extent. The model lends itself to transient and steady-state analysis, as well as to simulation. The paper introduces a method to map the positive and negative sequence stator current information onto a polar plot, which brings into focus both, the fault position and extent. This method is suitable for on-line monitoring of motor drives. The paper also provides experimental results, obtained with an intentionally faulted machine.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122999033","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: 19
Torque ripple modeling of a permanent magnet synchronous motor 永磁同步电机转矩脉动建模
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472761
S. Rojas, M. Pérez, José R. Rodríguez, H. Zelaya
{"title":"Torque ripple modeling of a permanent magnet synchronous motor","authors":"S. Rojas, M. Pérez, José R. Rodríguez, H. Zelaya","doi":"10.1109/ICIT.2010.5472761","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472761","url":null,"abstract":"Permanent magnet synchronous motors feature high power density, high torque to inertia ratio and high conversion efficiency. These characteristics made them advantageous to use in specific applications such as robotics and traction. However, one of the major drawbacks of these motors is the torque ripple, being especially harmful when a high performance position and speed control is required. Usually, this effect can be reduced in the design stage, although several approaches to online reduction have been proposed. In this paper a mathematical model is proposed which calculates the torque based on an energy approach, allowing to incorporate the harmonic components of the torque. Simulation results show the performance of the proposed approach.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123111791","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: 14
Smart video surveillance system 智能视频监控系统
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472694
Zhengya Xu, H. Wu
{"title":"Smart video surveillance system","authors":"Zhengya Xu, H. Wu","doi":"10.1109/ICIT.2010.5472694","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472694","url":null,"abstract":"A new approach is proposed for a smart video surveillance system in this paper. The proposed surveillance system uses cononical stereo configuration to set up a pair of statical cameras to support a salient map to control a Pan-Tilt-Zoom(PTZ) camera/cameras, which captures high definition image /video of the interesting moving object in the surveillance area for further forensic investigations. The other contribution of the proposed approach is that, 3D information generated by the set of static cameras is used to support reliable spatial-temporal based image segmentation and object detection. For object tracking, velocity field computation from two consecutive images is based on correspondence salient feature (points). Due to its low computational cost, it is potential to support a real time system to make a loop control for further using the information from the PTZ camera to support the object tracking in video captured by the static cameras.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126606396","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: 19
Simulation anylysis of reactor winding wave process 电抗器绕组波过程的仿真分析
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472541
Dongxue Li, Yan Li, Kepeng Xia
{"title":"Simulation anylysis of reactor winding wave process","authors":"Dongxue Li, Yan Li, Kepeng Xia","doi":"10.1109/ICIT.2010.5472541","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472541","url":null,"abstract":"This paper takes a three phase dry-type reactor with series magnet core for example. The wave process of reactor winding was computed and analyzed under the circumstances of applying lightning impulse voltage to single-phase, the insulation of Inter-phase and layer was determined by potential gradient between reactor units. The difference of the computation method between reactor and power transformer has been analyzed, and a new equivalent circuit model was developed on this basis. The field strength computation method of complex medium made up of epoxy resin and airway was given at the same time. The computation results show that the insulation margin meets the design requirement, and the insulation structure was reasonable. The computation method and results can provide reference for the insulation design of reactor.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"380 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115308804","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 simplified tool for the simulation of biomass based power plants 一个简化的模拟生物质发电厂的工具
2010 IEEE International Conference on Industrial Technology Pub Date : 2010-03-14 DOI: 10.1109/ICIT.2010.5472586
G. Petrecca, R. Preto
{"title":"A simplified tool for the simulation of biomass based power plants","authors":"G. Petrecca, R. Preto","doi":"10.1109/ICIT.2010.5472586","DOIUrl":"https://doi.org/10.1109/ICIT.2010.5472586","url":null,"abstract":"This paper reports the results of studies on energy production by using biomasses. The use of biomasses is encouraged worldwide due to the increasing prices of oil and natural gas and concern for pollution and CO2 emissions as well as to the possibility of using local resources and help local economies. Biomasses have been classified according to type and production chain. The main techniques for the energy transformation of biomasses are investigated and some practical examples are explained in details by means of a simplified tool. The paper outlines also a simplified energy planning of a district area.","PeriodicalId":256385,"journal":{"name":"2010 IEEE International Conference on Industrial Technology","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116617178","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
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