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Enhancement of wireless channel capacity using MIMO system 利用MIMO系统增强无线信道容量
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129772
P. Saravanaselvi, P. Latha
{"title":"Enhancement of wireless channel capacity using MIMO system","authors":"P. Saravanaselvi, P. Latha","doi":"10.1109/ICONRAEECE.2011.6129772","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129772","url":null,"abstract":"Multiple-input multiple-output (MIMO) is an advanced technology that can bring significant performance improvements to wireless communication systems. Even when a wireless channel with high channel capacity is given, we still need to find good techniques to achieve high-speed data transmission or high reliability. In this work deterministic and random channel models are implemented with channel state information (CSI) and without having CSI at the transmitter side. The performance of channel capacity for MIMO system is evaluated and compared with single input many output system (SIMO) as well as Many input single output system (MISO).","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124035220","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
Analysis of power quality problems in grid connected wind power plant 并网风力发电厂电能质量问题分析
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129727
M. G. Sugirtha, P. Latha
{"title":"Analysis of power quality problems in grid connected wind power plant","authors":"M. G. Sugirtha, P. Latha","doi":"10.1109/ICONRAEECE.2011.6129727","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129727","url":null,"abstract":"Wind energy is one of the fastest-growing sources of electricity in India and around the world. In spite of being cheap, clean and abundant the continuous fluctuations in the renewable energy causes significant power quality issues. This paper presents a technical review of power quality problems associated with grid connected wind power plant and describes the Dynamic Voltage Restorer that injects voltage into the system with a view to enhance the network power factor while stabilizing the voltage and reducing the network losses. On the basis of measurements and norms followed according to the guidelines specified in IEC-61400 (International Electro-technical Commission) standard, the performance of the wind turbine and thereby power quality should be determined. Wind turbines, especially of Induction type, can draw large amount of reactive power from the grid. Insufficient supply of reactive power from the grid to the wind generators may cause voltage stability problems. To minimize reactive power exchange between wind generators and grid, dynamic compensation of reactive power can be employed by using DVR. This paper also describes the analysis of Dynamic Voltage Restorer (DVR) using MATLAB/SIMULINK for the grid connected Wind Power Plant.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"110 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124436378","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: 24
Harmonic pollution survey and simulation of passive filter using MATLAB 无源滤波器谐波污染调查及MATLAB仿真
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129785
D. Bhonsle, R. Kelkar
{"title":"Harmonic pollution survey and simulation of passive filter using MATLAB","authors":"D. Bhonsle, R. Kelkar","doi":"10.1109/ICONRAEECE.2011.6129785","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129785","url":null,"abstract":"Power quality is becoming a major concern of today's power system engineers. Harmonics play an important and major roll in deteriorating power quality, called harmonic distortion. Harmonic distortion is measured in terms of THD (Total Harmonic Distortion). This paper presents harmonic field measurement for domestic loads in power distribution network. The specific case study has been conducted at C K Pithawalla college of Engineering and Technology, Surat, Gujarat. It includes non-linear loads such as-personal computer, LCD, laptop, etc. Harmonic measurement was conducted for individual loads. The selected domestic load is simulated using MATLAB software. Simulation and design of passive filter is presented in METLAB for harmonic mitigation. Results of the same are analyzed taking in to account IEEE standards limits for harmonic distortion.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123706356","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: 13
Performance of vector controlled induction motor drive with reactive power based MRAS rotor resistance estimator 基于无功MRAS转子电阻估计的矢量控制感应电机驱动性能
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129777
M. Gayathri, S. Himavathi, R. Sankaran
{"title":"Performance of vector controlled induction motor drive with reactive power based MRAS rotor resistance estimator","authors":"M. Gayathri, S. Himavathi, R. Sankaran","doi":"10.1109/ICONRAEECE.2011.6129777","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129777","url":null,"abstract":"In this paper, a detailed study of the performance of Vector Controlled Induction Motor drive with Model Reference Adaptive System (MRAS) based Rotor Resistance Estimator using Reactive Power is presented. The rotor resistance changes significantly during operation due to temperature rise. This variation has a major influence on the field oriented control performance of an induction motor drive due to the deviation of slip frequency from the set value. The MRAS approach using reactive power as a functional candidate for rotor resistance estimation makes it computationally simpler, easy to design. Rotor resistance estimation using reactive power completely eliminates the need of flux estimation. Thus, this method is less sensitive to integrator — related problems. The performance of vector controlled induction motor drive with the MRAS based rotor resistance estimator is simulated in MATLAB/SIMULINK. The promising results obtained are presented.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122644336","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: 10
Thermal Unit Commitment using FLAC guided modified dynamic programming approach 使用FLAC指导的改进动态规划方法进行热单元承诺
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129807
S. Muralidharan, V. M. Kumar, A. Baalavignesh
{"title":"Thermal Unit Commitment using FLAC guided modified dynamic programming approach","authors":"S. Muralidharan, V. M. Kumar, A. Baalavignesh","doi":"10.1109/ICONRAEECE.2011.6129807","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129807","url":null,"abstract":"This paper presents a modified form of Dynamic Programming for solving Unit Commitment problem which encompass pre-dispatch and economic dispatch sub problems. The predispatch sub problem in UC is solved by unit classification based on Full Load Average production Cost. Solution for second sub problem is obtained using the modified form of DP. Modified form of dynamic programming technique suggested by this paper provides the generation schedule of individual generators in an analytical form even for a large number of variables without the traditional Lagrangian form. 10-generator system is tested using this algorithm for 24-hour scheduling horizon and the test result is compared with various other techniques. The result analysis exhibit the superiority of the proposed method.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128574381","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
Nonlinear control algorithm for smooth transition in large-angle attitude maneuver 大角度姿态机动平稳过渡的非线性控制算法
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129738
Runle Du, Jiaqi Liu, Yonghai Wang, Gang Meng, Chenyang Mu
{"title":"Nonlinear control algorithm for smooth transition in large-angle attitude maneuver","authors":"Runle Du, Jiaqi Liu, Yonghai Wang, Gang Meng, Chenyang Mu","doi":"10.1109/ICONRAEECE.2011.6129738","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129738","url":null,"abstract":"Large-angle attitude maneuver is common during the mission of spacecrafts, such as aligning to star to calibrate navigation system. Published works on attitude tracking always focus on optimizing the time and fuel cost, neglecting the smoothness requirement and angular speed limitations. In this paper, a nonlinear control algorithm is prompted for smooth transition in large-angle attitude maneuver. A nonlinear filter is added to the attitude feedback control loop, to carry out angular speed control in large-angle maneuvers. Simulation results demonstrated the effectiveness and reliability of proposed approach.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116307002","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 MPPT scheme for solar powered boost inverter using evolutionary programming 一种基于进化规划的太阳能升压逆变器MPPT方案
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129776
M. Kaliamoorthy, V. Rajasekaran
{"title":"A novel MPPT scheme for solar powered boost inverter using evolutionary programming","authors":"M. Kaliamoorthy, V. Rajasekaran","doi":"10.1109/ICONRAEECE.2011.6129776","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129776","url":null,"abstract":"Due to its ability to handle nonlinear functions regardless of the derivative information, Evolutionary Programming (EP) are envisaged to be very effective for Maximum Power Point Tracking (MPPT) of Photovoltaic cell (PV). This paper proposes a critical evaluation of MPPT algorithm of PV model using EP. The proposed model is then compared with the conventional Newton raphson algorithm. The simulation results obtained from the EP were found to be more accurate with the real maximum power point. The algorithm has better accuracy especially at low irradiance level that allows for a more accurate prediction of PV system performance. The EP based MPPT algorithm was tested with single stage boost inverter.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125726475","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
Practical implementation of four quadrant operation of three phase Brushless DC motor using dsPIC 基于dsPIC的三相无刷直流电机四象限操作的实际实现
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129762
C. S. Joice, S. R. Paranjothi, J. S. Kumar
{"title":"Practical implementation of four quadrant operation of three phase Brushless DC motor using dsPIC","authors":"C. S. Joice, S. R. Paranjothi, J. S. Kumar","doi":"10.1109/ICONRAEECE.2011.6129762","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129762","url":null,"abstract":"This paper presents the practical implementation of the control of three phase Brushless DC (BLDC) motor in all the four quadrants. The controller dsPIC30F4011 is used. The four quadrant operation which was simulated using MATLAB / Simulink is implemented and analyzed [1]. A smooth transition between the quadrants is achieved. The time taken to change the direction of rotation of BLDC motor is also comparatively reduced. The frequent change of direction of rotation and hence the change of quadrants results in frequent braking. During braking time the kinetic energy is wasted as heat energy. This paper presents a concept wherein the kinetic energy is converted and stored in a battery. The battery thus charged can be used to run the same BLDC motor with no interruption in power supply.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"87 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125974026","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: 30
Safety instrumented system and alarm system for heater 加热器安全仪表系统和报警系统
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129789
Chintan P. Kapasi, Vazhapilly Jeel Jose, Medha Sharma, N. Warke
{"title":"Safety instrumented system and alarm system for heater","authors":"Chintan P. Kapasi, Vazhapilly Jeel Jose, Medha Sharma, N. Warke","doi":"10.1109/ICONRAEECE.2011.6129789","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129789","url":null,"abstract":"In an increasingly multidisciplinary engineering environment, and in the face of ever increasing system complexity, there is a growing need for all engineers and technicians involved in process engineering to be aware of the implications of designing and operating safety related systems. This includes knowledge of the relevant safety standards. Safety Instrumented System (SIS) plays a vital role in providing the protective layer functionality in many industrial process and automation systems. This work is an attempt to introduce SIS in a Heater application. First portion of this paper is devoted to explore/invent building blocks for the Basic Process Control System (BPCS) and SIS. It is followed by the employment of SIS on a tank consisting of temperature and level control of process fluid using microcontrollers. The third portion includes the result of the process described in the previous section.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"245 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131283657","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
FPGA implementation of space vector PWM for speed control of 3-phase induction motor 用FPGA实现空间矢量PWM对三相异步电动机进行速度控制
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129782
A. Rait, P. Bhosale
{"title":"FPGA implementation of space vector PWM for speed control of 3-phase induction motor","authors":"A. Rait, P. Bhosale","doi":"10.1109/ICONRAEECE.2011.6129782","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129782","url":null,"abstract":"Advancements in solid state and Programmable Logic Devices have given a tremendous support to digital control techniques for speed control of motors. Space Vector PWM (SVPWM) is a sophisticated technique for generating a sine wave that provides a higher source voltage utilization and lower total harmonic distortion. Also, it is inherently suitable for digital implementation of vector control (Field Oriented Control) of AC motors. FPGAs due to their parallel processing capability, high sampling frequency and flexibility, are preferred for implementing various PWM techniques for controlling motor speed. Also, the transient response of the system is improved. In our work, we have combined these two technologies to produce a highly efficient speed control system for three phase IM. The switching pulses to six IGBTs were generated using the FPGA, and depending upon the switching sequence the inverter output voltage, was controlled. The results for hardware implementation of SPWM and SVPWM techniques are given and the two techniques are compared.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134197844","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: 10
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