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A new fractional order recursive digital integrator using continued fraction expansion 一种新的分数阶递归数字积分器
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-05-19 DOI: 10.1109/IICPE.2011.5770272
Maneesha Gupta, Madhu Jain, Nitin Jain
{"title":"A new fractional order recursive digital integrator using continued fraction expansion","authors":"Maneesha Gupta, Madhu Jain, Nitin Jain","doi":"10.1109/IICPE.2011.5770272","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5770272","url":null,"abstract":"In this paper a new fractional order recursive digital integrator is presented. Fractional order integrators have a wide range of applications in automatic control systems, circuit theory, dynamical systems and signal processing. The implementation of fractional order recursive digital integrator requires two steps. In the first step, an integer order digital integrator is designed then in the next step continued fraction expansion (CFE) is used to obtain an efficient fractional order digital integrator which is suitable over the complete Nyquist frequency range. The proposed half order integrator accurately approximates the ideal half order integrator reasonably well over the entire Nyquist frequency range with absolute magnitude error ≤ 0.05 and it outperforms the existing half order integrators.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115288470","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
Increasing efficiency of the photovoltaic system of mobile robotic platforms for military application and exploration 提高移动机器人平台光伏系统的效率，用于军事应用和探索
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-05-19 DOI: 10.1109/IICPE.2011.5770271
A. Gupta, A. Bagul, B. Kadu
{"title":"Increasing efficiency of the photovoltaic system of mobile robotic platforms for military application and exploration","authors":"A. Gupta, A. Bagul, B. Kadu","doi":"10.1109/IICPE.2011.5770271","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5770271","url":null,"abstract":"For the unmanned military robotic platforms and exploration vehicles, the frequent external charging of energy storage devices (batteries) are not feasible. In such cases photovoltaic are preferred as backup for the energy storage devices, which charge these devices onboard. But the low energy conversion efficiency of photovoltaic is much of a concern. Hence every attempt of extracting the maximum output from photovoltaic (PV) is greatly appreciated, especially in military platforms where size and weight of the PV array is constrained. Furthermore the mobility of these platforms adds to the inefficiencies of the array by partial shading and dynamic irradiance. Few methodologies proposed for maximizing the output and increase efficiency includes Maximum Power Point Tracking using Adaptive Resonance Theory (ART2) Artificial Neural Network algorithm and unsupervised learning using improved incremental conductance algorithm, which tracks the maximum power point of the photovoltaic array that fluctuates along with the fluctuations in irradiance of the sun using an efficient neural network. Also determining the angle of sun with the MEMS digital sun sensors and aligning the modules accordingly, increases the input irradiance received by the panel. The techniques for bypassing other sources for inefficiencies like shading effect, thermal effect is also presented. The integration of various modular systems together ensures the effective utilization of the available solar energy hence increasing the efficiency. The simulation confirms the facts and illustrates the increase in output efficiency of the PV module for onboard backup charging of the energy storage device on a military mobile platform.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116327236","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
Cascaded multilevel inverter based active filter for power line conditioners using instantaneous real-power theory 基于瞬时实数功率理论的电力线调节器级联多电平逆变器有源滤波器
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-05-16 DOI: 10.1109/IICPE.2011.5768167
P. Karuppanan, K. Mahapatra
{"title":"Cascaded multilevel inverter based active filter for power line conditioners using instantaneous real-power theory","authors":"P. Karuppanan, K. Mahapatra","doi":"10.1109/IICPE.2011.5768167","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5768167","url":null,"abstract":"This paper presents a three-phase, five-level cascaded multilevel voltage source inverter based active filter for power line conditioning to improve power quality in the distribution network. The active filter compensates both reactive power and harmonic currents drawn by non-linear loads; additionally it facilitates power factor corrections. The compensation process is based on concept of p-q theory. However, in the proposed approach only calculation of real-power (p) losses are conducted. This method is simple and different from conventional methods; it provides effective compensation for harmonics. The cascaded multilevel inverter switching signals are derived from the proposed triangular-sampling current controller that results in a good dynamic performance under both steady state and transient operations. The dc-bus capacitor voltage of the cascaded inverter is controlled and reduced ripple voltage using PI-controller. This proposed cascaded active power filter system is validated through extensive simulation under transient and steady state conditions with different non-linear loads.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133082847","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
Embedded emulator of photovoltaic array and wind driven induction generator by using digital signal controller (tms320f28335) 基于数字信号控制器(tms320f28335)的光伏阵列和风力感应发电机嵌入式仿真器
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-05-16 DOI: 10.1109/IICPE.2011.5768195
T. P. V. Preethishri, K. S. Kumar, P. Sivakumar
{"title":"Embedded emulator of photovoltaic array and wind driven induction generator by using digital signal controller (tms320f28335)","authors":"T. P. V. Preethishri, K. S. Kumar, P. Sivakumar","doi":"10.1109/IICPE.2011.5768195","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5768195","url":null,"abstract":"Modern technology has given rise to a slew of forward looking enhancements for systems that transmit and distribute electricity. Distribution networks must be carefully controlled in order to maintain an acceptable power supply quality. In order to meet sustained load demands during varying natural conditions, different renewable energy sources need to be integrated with each other. This paper describes dynamic modeling and simulation results of a renewable energy based hybrid power system on the combination of solar cell and wind turbine systems for power generation. Dynamic modeling of various components of this isolated system is presented. Transient responses of the system to step changes in the load, ambient temperature, radiation, and wind speed in a number of possible situations are studied. The results show that the proposed hybrid power system can tolerate the rapid changes in natural conditions and suppress the effects of these fluctuations on the voltage within the acceptable range. We designed a flexible DSP-controlled three-phase power electronic converter for the integration of distributed energy generation into networks. The further increase of energy conversion from renewable energy sources demands a share of the conventional centralized grid control. This requires a fast and flexible control system. The control is realized with embedded model details of DSC. The system structure, the special problems resulting from the use of a DSP-system and the implementation of the inverter control are described. The models have been developed by means of Simulink.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131158237","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: 8
Design of fractional order differentiators and integrators using indirect discretization scheme 用间接离散方法设计分数阶微分器和积分器
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-03-10 DOI: 10.1109/IICPE.2011.5728158
R. Yadav, Maneesha Gupta
{"title":"Design of fractional order differentiators and integrators using indirect discretization scheme","authors":"R. Yadav, Maneesha Gupta","doi":"10.1109/IICPE.2011.5728158","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5728158","url":null,"abstract":"This paper attempts to find the rational approximation of fractional order differentiators and integrators and their discretized transfer functions by using continued fraction expansion (CFE) based indirect discretization scheme. Schnieder 2nd order rule and Al-alaoui's 2-segment rule[16] are considered for indirect discretization approach and differentiators and integrators of order Î4 and % based on these two rules are presented. The rational transfer functions are first tested for minimum phase and stability then the resultant rational approximations are discretized by using s to z transforms [1]. These discretized transfer functions are checked for stability again after performing approximation process. Simulation resultant curves are drawn with the help of MATLAB for the magnitude responses, absolute magnitude errors and the phase responses of the stabilized discrete transfer functions. These curves are then compared with each other and the corresponding ideal characteristics of differentiators and integrators.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115642897","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
Analysis of Cascaded multilevel inverter 级联多电平逆变器分析
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-03-10 DOI: 10.1109/IICPE.2011.5728129
A. Minai, A. Tariq
{"title":"Analysis of Cascaded multilevel inverter","authors":"A. Minai, A. Tariq","doi":"10.1109/IICPE.2011.5728129","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5728129","url":null,"abstract":"There is a new control strategy to control Cascaded multilevel converters in a multi-string configuration for single phase grid connected systems. This topology generates high quality output current under any circumstances specifically in partial shading, while tracking the MPP of each string independently. The topology does not consist of any extra DC-DC converter stage which causes some limitation in the performance but definitely reduces the overall cost and efficiency. Simulation results are provided to validate the proposed control system.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125210024","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: 15
Real time comparative study of the performance of FPGA based PID and fuzzy controllers for a rectilinear plant 基于FPGA的PID控制器与模糊控制器在直线装置中的实时性能比较研究
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-03-10 DOI: 10.1109/IICPE.2011.5728154
Prof Vikas Kumar, K. Rana, Vineet Kumar
{"title":"Real time comparative study of the performance of FPGA based PID and fuzzy controllers for a rectilinear plant","authors":"Prof Vikas Kumar, K. Rana, Vineet Kumar","doi":"10.1109/IICPE.2011.5728154","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5728154","url":null,"abstract":"This paper presents an implementation and comparative study of fuzzy logic based intelligent control and the conventional Proportional, Integral and Derivative (PID) control in a real time mode for rectilinear plant. PID controller has been implemented on Field Programmable Gate Array (FPGA), NI-PXI-7833R using LabVIEW software package. For implementation of fuzzy logic based intelligent controller the FPGA is used as real time data acquisition platform and the fuzzy controller is implemented on the host PC. Fuzzy PD and Fuzzy PI + fuzzy PD control have been successfully implemented. The comparative study of performance of intelligent controllers like fuzzy PD and fuzzy PI + fuzzy PD is done with the conventional controller on the basis of amplitude error and the time lag between the plant excitation input and the plant response. It has been found that fuzzy PI + fuzzy PD controller outperforms the fuzzy PD and also the conventional PID controllers.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128658355","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
Fuzzy logic control with constant dc link voltage of 48-pulse VSC based STATCOM 基于STATCOM的48脉冲VSC直流恒压模糊逻辑控制
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-03-10 DOI: 10.1109/IICPE.2011.5728125
Bhim Singh, K. V. Srinivas
{"title":"Fuzzy logic control with constant dc link voltage of 48-pulse VSC based STATCOM","authors":"Bhim Singh, K. V. Srinivas","doi":"10.1109/IICPE.2011.5728125","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5728125","url":null,"abstract":"This paper presents a new configuration of a 48-pulse VSC (voltage source converter) based STATCOM with a constant dc link voltage. The proposed STATCOM configuration consists of two sets of VSCs. The control of the phase angle difference between these two VSCs controls the net ac converter output voltage, thereby controlling the reactive power of the STATCOM. In the control algorithm, a fuzzy logic control algorithm is used in the dc voltage controller and ac terminal voltage controller. The proposed STATCOM is modeled using MATLAB with Simulink Sim Power Systems (SPS) toolboxes and steady and dynamic performances of the STATCOM are presented to validate the proposed STATCOM configuration.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128959588","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
Real time emulation of electrical systems for rapid prototyping in an embedded processor under a multitasking environment 多任务环境下嵌入式处理器中快速成型电气系统的实时仿真
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-03-10 DOI: 10.1109/IICPE.2011.5728076
Prashant J. Nair, Santosh Kumar, Balaji Iyengar, S. Narayanan, Y. Rao
{"title":"Real time emulation of electrical systems for rapid prototyping in an embedded processor under a multitasking environment","authors":"Prashant J. Nair, Santosh Kumar, Balaji Iyengar, S. Narayanan, Y. Rao","doi":"10.1109/IICPE.2011.5728076","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5728076","url":null,"abstract":"In this paper, we present an embedded platform for real-time emulation of nonlinear electrical circuits in an embedded processor. Electrical systems, if complex, are better implemented if split into number of tasks. These tasks will have different priorities and timing deadlines and hence must be managed by an Operating System. We present and evaluate an iteration time based adaptive time step scheduling algorithm in an embedded linux 2.6.29.6 based operating system with Xenomai-HAL 2.5.2 (Hardware Abstraction Layer) in order to manage the various tasks. The paper explores methods to improve the accuracy of the application by reducing the integration time step. The use of ARM EABI cross compiler is also evaluated.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123627855","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
Battery management system for E-bike: A novel approach to measure crucial battery parameters for a VRLA battery 电动自行车电池管理系统:一种测量VRLA电池关键参数的新方法
India International Conference on Power Electronics 2010 (IICPE2010) Pub Date : 2011-03-10 DOI: 10.1109/IICPE.2011.5728077
Abhijeet Chandratre, Himanshi Saini, Sai Hanuma Vemuri, M. Srinivas
{"title":"Battery management system for E-bike: A novel approach to measure crucial battery parameters for a VRLA battery","authors":"Abhijeet Chandratre, Himanshi Saini, Sai Hanuma Vemuri, M. Srinivas","doi":"10.1109/IICPE.2011.5728077","DOIUrl":"https://doi.org/10.1109/IICPE.2011.5728077","url":null,"abstract":"Battery management system (BMS) forms a crucial system component in various applications like electric vehicles (EV), hybrid electric vehicles (HEV), uninterrupted power supplies (UPS), telecommunications and so on. The accuracy of these systems has always been a point of discussion as they generally give an error of maximum 10% considering all the parameters together. In this paper a system is presented which is developed through a mathematical approach to monitor all the crucial battery parameters and limit the error to not more than 5% for a valve regulated lead acid (VRLA) battery. While the present prototype system accounts only for discharging under various conditions, it is proposed to incorporate intelligent charging system into the future prototype to make it a reliable component in overall system management.","PeriodicalId":371862,"journal":{"name":"India International Conference on Power Electronics 2010 (IICPE2010)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127628031","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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