Pub Date : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2307
P. Premalatha, Sharath Singh
Indian economy is dependent on agriculture to a great extent. Increase in production, tends to improve social welfare, particularly in rural areas. This project aims to increase the productivity and to reduce the time for seed sowing process and wastage of seeds. Automatic seed sowing machine designed and developed, which uses Solar powered DC motors driven by L298N driver circuit with Aurdino UNO R3 control kit. An ultrasonic sensor is also installed to detect the obstacle in the path and end of each row.
印度经济在很大程度上依赖农业。生产的增加往往会改善社会福利，特别是在农村地区。本项目旨在提高生产效率，减少种子播种时间，减少种子浪费。设计开发的全自动播种机，采用L298N驱动电路驱动太阳能直流电动机，配合Aurdino UNO R3控制套件。还安装了超声波传感器来检测每一行路径和末端的障碍物。
{"title":"Design and Development of Automatic Seed Sowing Machine","authors":"P. Premalatha, Sharath Singh","doi":"10.51983/ajes-2019.8.s1.2307","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2307","url":null,"abstract":"Indian economy is dependent on agriculture to a great extent. Increase in production, tends to improve social welfare, particularly in rural areas. This project aims to increase the productivity and to reduce the time for seed sowing process and wastage of seeds. Automatic seed sowing machine designed and developed, which uses Solar powered DC motors driven by L298N driver circuit with Aurdino UNO R3 control kit. An ultrasonic sensor is also installed to detect the obstacle in the path and end of each row.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127119211","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2308
D. Kulkarni
This paper gives details/information about economic load dispatch using manual method and optimized fuzzy method. Using manual method, we get lambda ‘λ’ one of the inputs to the fuzzy by using different demand values. The calculations of manual method and fuzzy results are both mentioned in this paper. The whole analysis is done considering transmission losses.
{"title":"PV Fed Zeta Converter for Street Lighting Application","authors":"D. Kulkarni","doi":"10.51983/ajes-2019.8.s1.2308","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2308","url":null,"abstract":"This paper gives details/information about economic load dispatch using manual method and optimized fuzzy method. Using manual method, we get lambda ‘λ’ one of the inputs to the fuzzy by using different demand values. The calculations of manual method and fuzzy results are both mentioned in this paper. The whole analysis is done considering transmission losses.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115068160","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2314
Sruthi Damodaran
In this paper a comparative study between two different approaches for LED driving based on the double integrated buck boost and a double integrated Buck converter. It presents a single-stage, single-switch, transformer less ac/dc converter suitable for Led lighting applications. High Brightness Light Emitting Diodes (HB LEDs) can be seriously considered for replacing conventional halogen, incandescent and fluorescent lamps in general illumination including streetlights due to the rapid development in LED technology in recent years. In many offline applications, maintaining a high-power factor and low harmonics are of primary importance. Single stage power factor pre-regulation technology is mainly preferred in cost sensitive applications where power factor regulation is necessary, as adding additional power factor correction controller will surely increase the cost. Here a high-power-factor, long life integrated converter able to supply LED lamps from ac mains is presented. This topology integrates a buck-boost type power-factor correction (PFC) cell with a buck–boost dc/dc converter there by providing the necessary high input power factor and low Total Harmonic Distortion (THD). An isolation transformer increases complexities in the implementation of feedback and control. The proposed topology is non-isolated and hence much simpler in implementation. The main advantage of this converter is that this circuit uses only one controllable switch. The converter is used to provide power factor correction in streetlight application. A Double integrated buck converter finds application in fields of solid-state lighting. Buck Converter is widely used for step down dc-dc conversion when there is no isolation requirement. The narrow duty cycle of the buck converter limits its application for high step-down applications. The double integrated buck converter overcomes its limitation. This converter also provides high power factor and output current regulation. A Double integrated buck converter uses for the offline power supply for LED lighting based on the integration of a buck power factor corrector (PFC) and the tapped buck dc/dc converter having high step-down capability and good output current regulation. Due to the high reliability, the simple structure, and the low component count, the proposed topology effectively results to be very suitable for medium power solid-state lighting applications. From Comparative analysis of two circuits integrated double buck boost converter is found to be more efficient with high power factor and low THD.
{"title":"Double Integrated-Buck Boost Converter versus Double Integrated-Buck Topology for LED Lamps","authors":"Sruthi Damodaran","doi":"10.51983/ajes-2019.8.s1.2314","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2314","url":null,"abstract":"In this paper a comparative study between two different approaches for LED driving based on the double integrated buck boost and a double integrated Buck converter. It presents a single-stage, single-switch, transformer less ac/dc converter suitable for Led lighting applications. High Brightness Light Emitting Diodes (HB LEDs) can be seriously considered for replacing conventional halogen, incandescent and fluorescent lamps in general illumination including streetlights due to the rapid development in LED technology in recent years. In many offline applications, maintaining a high-power factor and low harmonics are of primary importance. Single stage power factor pre-regulation technology is mainly preferred in cost sensitive applications where power factor regulation is necessary, as adding additional power factor correction controller will surely increase the cost. Here a high-power-factor, long life integrated converter able to supply LED lamps from ac mains is presented. This topology integrates a buck-boost type power-factor correction (PFC) cell with a buck–boost dc/dc converter there by providing the necessary high input power factor and low Total Harmonic Distortion (THD). An isolation transformer increases complexities in the implementation of feedback and control. The proposed topology is non-isolated and hence much simpler in implementation. The main advantage of this converter is that this circuit uses only one controllable switch. The converter is used to provide power factor correction in streetlight application. A Double integrated buck converter finds application in fields of solid-state lighting. Buck Converter is widely used for step down dc-dc conversion when there is no isolation requirement. The narrow duty cycle of the buck converter limits its application for high step-down applications. The double integrated buck converter overcomes its limitation. This converter also provides high power factor and output current regulation. A Double integrated buck converter uses for the offline power supply for LED lighting based on the integration of a buck power factor corrector (PFC) and the tapped buck dc/dc converter having high step-down capability and good output current regulation. Due to the high reliability, the simple structure, and the low component count, the proposed topology effectively results to be very suitable for medium power solid-state lighting applications. From Comparative analysis of two circuits integrated double buck boost converter is found to be more efficient with high power factor and low THD.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126397850","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2306
Soumya Mishra
A modified indirect control algorithm is presented in this paper to improve the operation of photovoltaic fed distributed static compensator. This new algorithm overcomes the limitations of direct current control algorithm under non-ideal supply voltage conditions such asswitching notches in source current after compensation, distortions in the reference source current and poor harmonic elimination. The design and performance testing of the presented system has been carried out in MATLAB/Simulink software. Furthermore, the efficacy and robustness of the presented system are validated through experiment.
{"title":"A MICC Algorithm for Power Quality Improvement Using PV-DSTATCOM","authors":"Soumya Mishra","doi":"10.51983/ajes-2019.8.s1.2306","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2306","url":null,"abstract":"A modified indirect control algorithm is presented in this paper to improve the operation of photovoltaic fed distributed static compensator. This new algorithm overcomes the limitations of direct current control algorithm under non-ideal supply voltage conditions such asswitching notches in source current after compensation, distortions in the reference source current and poor harmonic elimination. The design and performance testing of the presented system has been carried out in MATLAB/Simulink software. Furthermore, the efficacy and robustness of the presented system are validated through experiment.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133990120","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2311
H. Sathishkumar, S. Parthasarathy
In this paper, comparative performance analysis of Neural network controller and Neuro-fuzzy controller for 150hp (Horse power) three phase induction motor which is used in cable industry (Ravicab cables private limited) at Bidadi is presented. Proportional integral derivative (PID) controller based voltage frequency drive (VFD) is used here to control the speed of 150hp three phase induction motor which is used in cable drawing process. Since VFD used in this industry is affected by several disturbances, robust speed controller is to be interfaced with the three phase induction motor. In order to identify and interface the robust controller, this paper deals with problem of the currently existing cable industry with real time data. Moreover this paper proposes two proposed controller to solve this problem. Performances of these two proposed systems are explained with the help of Simulation and comparison chart. At the end robust controller for this cable industry will be identified.
{"title":"Identification of Robust Controller for 150hp 3 Phase Induction Motor","authors":"H. Sathishkumar, S. Parthasarathy","doi":"10.51983/ajes-2019.8.s1.2311","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2311","url":null,"abstract":"In this paper, comparative performance analysis of Neural network controller and Neuro-fuzzy controller for 150hp (Horse power) three phase induction motor which is used in cable industry (Ravicab cables private limited) at Bidadi is presented. Proportional integral derivative (PID) controller based voltage frequency drive (VFD) is used here to control the speed of 150hp three phase induction motor which is used in cable drawing process. Since VFD used in this industry is affected by several disturbances, robust speed controller is to be interfaced with the three phase induction motor. In order to identify and interface the robust controller, this paper deals with problem of the currently existing cable industry with real time data. Moreover this paper proposes two proposed controller to solve this problem. Performances of these two proposed systems are explained with the help of Simulation and comparison chart. At the end robust controller for this cable industry will be identified.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116576315","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2303
Tithi Anish Antani
This paper illustrates a simple yet accurate method of modelling photovoltaic array. By adjusting the curve at three points: open circuit, maximum power, and short circuit, the parameter of the nonlinear equation can be determined. The information about these three major points is provided by all commercial array datasheets, using this data we can easily find the best I-V equation for the single-diode photovoltaic (PV) model. Adjusting the parameters of I–V equation, one can build a PV circuit model with any circuit simulator by using basic math blocks. The proposed circuit model and modeling method and are useful for power electronics designers who need a simple, fast, accurate, and easy-to-use modeling method for using in simulations of PV systems.
{"title":"Design and Simulation of Photovoltaic Array","authors":"Tithi Anish Antani","doi":"10.51983/ajes-2019.8.s1.2303","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2303","url":null,"abstract":"This paper illustrates a simple yet accurate method of modelling photovoltaic array. By adjusting the curve at three points: open circuit, maximum power, and short circuit, the parameter of the nonlinear equation can be determined. The information about these three major points is provided by all commercial array datasheets, using this data we can easily find the best I-V equation for the single-diode photovoltaic (PV) model. Adjusting the parameters of I–V equation, one can build a PV circuit model with any circuit simulator by using basic math blocks. The proposed circuit model and modeling method and are useful for power electronics designers who need a simple, fast, accurate, and easy-to-use modeling method for using in simulations of PV systems.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121797286","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2310
Bhagwan Shree Ram, A. George
This paper has presented a device intended to fit in a wind mill based on a Doubly Fed Induction Generator connected to the grid. After a description of this device and its connection procedure, we have established a two-phase mathematical model of the DFIG. In order to control statoric active and reactive power exchanged between the DFIG and the grid, a vector-control strategy has been presented. Simulations have been investigated with two types of regulators: classical proportional-integral and polynomial RST based on pole-placement theory. The synthesis of the RST controller has been detailed. Simulations results have shown that performances are equivalent for the two controllers under ideal conditions (no perturbations and no parameters variations). The RST controller is more efficient when the speed is suddenly changed (which happens frequently in wind energy conversion systems) and is more robust under parameters variations of the DFIG (for example rotoric resistance in our study).
{"title":"Real Time Simulation of Doubly-Fed Induction Machine IGBT Drive on a PC-Cluster","authors":"Bhagwan Shree Ram, A. George","doi":"10.51983/ajes-2019.8.s1.2310","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2310","url":null,"abstract":"This paper has presented a device intended to fit in a wind mill based on a Doubly Fed Induction Generator connected to the grid. After a description of this device and its connection procedure, we have established a two-phase mathematical model of the DFIG. In order to control statoric active and reactive power exchanged between the DFIG and the grid, a vector-control strategy has been presented. Simulations have been investigated with two types of regulators: classical proportional-integral and polynomial RST based on pole-placement theory. The synthesis of the RST controller has been detailed. Simulations results have shown that performances are equivalent for the two controllers under ideal conditions (no perturbations and no parameters variations). The RST controller is more efficient when the speed is suddenly changed (which happens frequently in wind energy conversion systems) and is more robust under parameters variations of the DFIG (for example rotoric resistance in our study).","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"67 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126678638","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2313
K. Revathi Shree
Inductive power transfer is nothing but wireless power transfer. That is transferring power from transmitter to receiver side without any physical contact. Nowadays this technique has wide applications. Mainly it is used to charge the batteries of the electric vehicles (EV). Due to the increasing pollution rate and scarcity of fuel in future days, the demand for the electric vehicles is increasing. Charging EV’s using IPT is simpler and risk free when compared to traditional wired charging systems. Using IPT technique the battery can be charged in constant current (CC) and constant voltage (CV) modes without using any feedback. A switch (consists of 2 AC switches and capacitor) is used to change the mode from CC to CV. The current output from the CC and the voltage output from the CV mode are load independent. This can be obtained by proper selection of inductances and capacitors. Here the feedback control techniques are not required to regulate the output according to charging profile. This IPT technique to charge battery is economical because using a single inverter many batteries can be charged at a time. The possibility of this method of charging is tested with an experimental prototype for efficiency and using MATLAB/SIMULINK software the simulation results are obtained for stability of current and voltage output of CC and CV mode.
{"title":"Inductive Power Transfer to Charge Electric Bicycles","authors":"K. Revathi Shree","doi":"10.51983/ajes-2019.8.s1.2313","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2313","url":null,"abstract":"Inductive power transfer is nothing but wireless power transfer. That is transferring power from transmitter to receiver side without any physical contact. Nowadays this technique has wide applications. Mainly it is used to charge the batteries of the electric vehicles (EV). Due to the increasing pollution rate and scarcity of fuel in future days, the demand for the electric vehicles is increasing. Charging EV’s using IPT is simpler and risk free when compared to traditional wired charging systems. Using IPT technique the battery can be charged in constant current (CC) and constant voltage (CV) modes without using any feedback. A switch (consists of 2 AC switches and capacitor) is used to change the mode from CC to CV. The current output from the CC and the voltage output from the CV mode are load independent. This can be obtained by proper selection of inductances and capacitors. Here the feedback control techniques are not required to regulate the output according to charging profile. This IPT technique to charge battery is economical because using a single inverter many batteries can be charged at a time. The possibility of this method of charging is tested with an experimental prototype for efficiency and using MATLAB/SIMULINK software the simulation results are obtained for stability of current and voltage output of CC and CV mode.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"69 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122731447","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2315
T. Nandhini Priya
This Paper presents the hybrid model of solar and wind turbine system for the power generation.The hybrid system can be used in forest area and in the remote area also which is unable to connect to the grid and its use can be extended to city streets lights also. It can also be operated as a standalone PV and wind models. The hybrid model is designed using MATLAB Simulink.
{"title":"Replenishing Water Source for Wildlife Using Hybrid Energy Sources","authors":"T. Nandhini Priya","doi":"10.51983/ajes-2019.8.s1.2315","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2315","url":null,"abstract":"This Paper presents the hybrid model of solar and wind turbine system for the power generation.The hybrid system can be used in forest area and in the remote area also which is unable to connect to the grid and its use can be extended to city streets lights also. It can also be operated as a standalone PV and wind models. The hybrid model is designed using MATLAB Simulink.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"15 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126044245","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 : 2019-06-05DOI: 10.51983/ajes-2019.8.s1.2316
S. M. Jaanaki
Over decades renewable resources such as photovoltaic systems have been used, which focuses on new growing power generation. Today cost and efficiency is the major factors of concern in order to harness and use these natural resources in a better possible way. Thus, the concept of Maximum Power Point Tracking (MPPT) has developed. Irrespective of continuous changes in temperature and irradiation maximum power point tracker plays an important role in tracking power from photovoltaic system. The Major challenge that the photovoltaic system goes through is even when PV panel is partially shaded what is the maximum power that can be tracked so that, the output power and efficiency get boosted up. MATLAB software is used to implement the P&O algorithm under partial condition under different irradiation and change in environmental condition.
{"title":"Maximum Power Point Tracking of PV System under Partial Shading Condition","authors":"S. M. Jaanaki","doi":"10.51983/ajes-2019.8.s1.2316","DOIUrl":"https://doi.org/10.51983/ajes-2019.8.s1.2316","url":null,"abstract":"Over decades renewable resources such as photovoltaic systems have been used, which focuses on new growing power generation. Today cost and efficiency is the major factors of concern in order to harness and use these natural resources in a better possible way. Thus, the concept of Maximum Power Point Tracking (MPPT) has developed. Irrespective of continuous changes in temperature and irradiation maximum power point tracker plays an important role in tracking power from photovoltaic system. The Major challenge that the photovoltaic system goes through is even when PV panel is partially shaded what is the maximum power that can be tracked so that, the output power and efficiency get boosted up. MATLAB software is used to implement the P&O algorithm under partial condition under different irradiation and change in environmental condition.","PeriodicalId":365290,"journal":{"name":"Asian Journal of Electrical Sciences","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130860185","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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