Pub Date : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999904
W. Thammasiriroj, P. Mungporn, B. Yodwong, B. Nahid-Mobarakeh, S. Pierfederici, P. Thounthong
This paper presents a nonlinear model-based control for multiphase interleaved boost converter used in fuel cell applications. This control scheme is based on the differential flatness concept, which generates the reference trajectories to characterize the dynamics and solve the inverse dynamic problems. A prototype of a fuel cell converter was constructed in the laboratory to validate the proposed technique. The implementation of the control algorithm was done by connecting the prototype with a dSPACE DS1202 MicroLabBox interfacing card. The control scheme demonstrated excellent experimental results for use with a 2.5-kW polymer electrolyte membrane fuel cell (PEMFC) on the subject of the steady state and dynamic behaviors along with the control robustness.
{"title":"Differential Flatness-Based Energy/Current Cascade Control for Multiphase Interleaved Boost Fuel Cell Converter","authors":"W. Thammasiriroj, P. Mungporn, B. Yodwong, B. Nahid-Mobarakeh, S. Pierfederici, P. Thounthong","doi":"10.1109/RI2C48728.2019.8999904","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999904","url":null,"abstract":"This paper presents a nonlinear model-based control for multiphase interleaved boost converter used in fuel cell applications. This control scheme is based on the differential flatness concept, which generates the reference trajectories to characterize the dynamics and solve the inverse dynamic problems. A prototype of a fuel cell converter was constructed in the laboratory to validate the proposed technique. The implementation of the control algorithm was done by connecting the prototype with a dSPACE DS1202 MicroLabBox interfacing card. The control scheme demonstrated excellent experimental results for use with a 2.5-kW polymer electrolyte membrane fuel cell (PEMFC) on the subject of the steady state and dynamic behaviors along with the control robustness.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128661906","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999924
Kanyapatchara Rakharn, S. Supsomboon, A. Kengpol
Currently, the factory for Suki-Yaki sauce production in the case study has been using workers in every step of the process. The process is very time consuming and now the production rate almost exceeds the time limit, while the market demand is constantly increasing. The owner of the organization wishes to purchase machines to aid the production, reducing the time and also improving the quality as well. However, a machine is a large investment and each machine must be custom -made varying the cost considerably. In this research, we propose to using plant simulation to predict the production capacity for comparison of future capacity of each machine. The objective of this research is to study the economic value of the investment between automatic machines and workers. Growth rate and prediction of production volume display the demand of each years from 2020–2025. Break-even point was used to consider to the case of using a filling and a packing machine. Finally, considering the Net Present Value and Internal Rate of Return to determine the profit that using both the filling and packing machine can provide. Results are the demand in 2020 is greater than the current capacity. A filling and a packing machine can increase a capacity greater than a demand in 2020–2025 at the same growth rate. As a result, NPV and IRR provided the profitability of a projected investment as positive.
{"title":"A feasibility study of using machines in sauce manufacturing: a case study","authors":"Kanyapatchara Rakharn, S. Supsomboon, A. Kengpol","doi":"10.1109/RI2C48728.2019.8999924","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999924","url":null,"abstract":"Currently, the factory for Suki-Yaki sauce production in the case study has been using workers in every step of the process. The process is very time consuming and now the production rate almost exceeds the time limit, while the market demand is constantly increasing. The owner of the organization wishes to purchase machines to aid the production, reducing the time and also improving the quality as well. However, a machine is a large investment and each machine must be custom -made varying the cost considerably. In this research, we propose to using plant simulation to predict the production capacity for comparison of future capacity of each machine. The objective of this research is to study the economic value of the investment between automatic machines and workers. Growth rate and prediction of production volume display the demand of each years from 2020–2025. Break-even point was used to consider to the case of using a filling and a packing machine. Finally, considering the Net Present Value and Internal Rate of Return to determine the profit that using both the filling and packing machine can provide. Results are the demand in 2020 is greater than the current capacity. A filling and a packing machine can increase a capacity greater than a demand in 2020–2025 at the same growth rate. As a result, NPV and IRR provided the profitability of a projected investment as positive.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126438147","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999887
G. Mansour, Ekasit Nugoolcharoenlap, M. Lancaster, P. Akkaraekthalin
Design, simulation, comparison, and analysis of filtering antennas is presented. Three filtering microstrip antennas, of different orders, are presented. The proposed antennas are designed to operate as a third, fourth, and fifth order band-pass filters (BPF). The antennas are designed to operate in the ISM band of 2.4 GHz with bandwidths of 62 MHz, 68 MHz, and 71 MHz respectively. Each antenna is composed of a microstrip feed line, open-loop resonators, and a microstrip patch of a rectangular shape. The proposed antennas were simulated using two different numerical techniques including Finite Different Time Domain (FDTD) and Method of Moment (MOM). From the simulated results, it is observed that the antennas preserve the microstrip antenna characteristics within the passband while providing an extra out-of band gain suppression due to the embedding filtering characteristics. As expected, the selectivity of the gain response improves as the order of the filtering antenna is increased.
{"title":"Comparison of Different Order Filtering Antennas","authors":"G. Mansour, Ekasit Nugoolcharoenlap, M. Lancaster, P. Akkaraekthalin","doi":"10.1109/RI2C48728.2019.8999887","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999887","url":null,"abstract":"Design, simulation, comparison, and analysis of filtering antennas is presented. Three filtering microstrip antennas, of different orders, are presented. The proposed antennas are designed to operate as a third, fourth, and fifth order band-pass filters (BPF). The antennas are designed to operate in the ISM band of 2.4 GHz with bandwidths of 62 MHz, 68 MHz, and 71 MHz respectively. Each antenna is composed of a microstrip feed line, open-loop resonators, and a microstrip patch of a rectangular shape. The proposed antennas were simulated using two different numerical techniques including Finite Different Time Domain (FDTD) and Method of Moment (MOM). From the simulated results, it is observed that the antennas preserve the microstrip antenna characteristics within the passband while providing an extra out-of band gain suppression due to the embedding filtering characteristics. As expected, the selectivity of the gain response improves as the order of the filtering antenna is increased.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125798300","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999909
Tipparat Junsing
A novel interface circuit, which provides the accurate voltage output related to resistance change for three-wire resistance temperature detector has been presented. Moreover, the proposed interface circuit is able to eliminate the effect of lead wire resistances. To reduces the nonidealities of current conveyors, the proposed circuit based on operational conveyors. The validation affirms by comparing the theoretical analysis between the proposed circuit and basic configuration. The PSPICE simulations were conducted five different values of lead resistances when using with Pt100. The performance of the proposed circuit was investigated through simulation results.
{"title":"Interface Circuit for Three-Wire Resistance Temperature Detector with Lead Wire Resistance Compensation","authors":"Tipparat Junsing","doi":"10.1109/RI2C48728.2019.8999909","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999909","url":null,"abstract":"A novel interface circuit, which provides the accurate voltage output related to resistance change for three-wire resistance temperature detector has been presented. Moreover, the proposed interface circuit is able to eliminate the effect of lead wire resistances. To reduces the nonidealities of current conveyors, the proposed circuit based on operational conveyors. The validation affirms by comparing the theoretical analysis between the proposed circuit and basic configuration. The PSPICE simulations were conducted five different values of lead resistances when using with Pt100. The performance of the proposed circuit was investigated through simulation results.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114869742","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999953
Sirinun Sirikunkitti, K. Chongcharoen, Prajuab Yoongsuntia, A. Ratanavis
This paper investigates the influence of CO2 laser as a non-contact tool for weed control application. The study aims specifically to the unfocused beam treatment for distant targets. The spatial profile of the laser beam was analyzed. The characteristics of the laser beams at targeted distance were explored. These results demonstrate the potential of CO2 laser as promising alternative for an efficient weed control. In addition, a laser triangulation system based on laser pointers is proposed as a tool for distance measurements to estimate the distance of cutting targets. The system is compacted and economic which can be simply used in technological, scientific and educational applications.
{"title":"Progress in a Development of a Laser-Based Weed Control System","authors":"Sirinun Sirikunkitti, K. Chongcharoen, Prajuab Yoongsuntia, A. Ratanavis","doi":"10.1109/RI2C48728.2019.8999953","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999953","url":null,"abstract":"This paper investigates the influence of CO2 laser as a non-contact tool for weed control application. The study aims specifically to the unfocused beam treatment for distant targets. The spatial profile of the laser beam was analyzed. The characteristics of the laser beams at targeted distance were explored. These results demonstrate the potential of CO2 laser as promising alternative for an efficient weed control. In addition, a laser triangulation system based on laser pointers is proposed as a tool for distance measurements to estimate the distance of cutting targets. The system is compacted and economic which can be simply used in technological, scientific and educational applications.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116685582","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999907
V. Sittakul, Supakorn Judprasong, Nattawat Saengmanee
This work presents a smart quiz system for classroom via LINEBot. With the smart quiz via LINEBot, the students can have paperless tests. The tests can be performed on the LINE software which is very popular among the students in Asia. The questions can be in the form of multiple choices, true/false, matching and short answers which can also be generated and sent from a web server to LINEChat window. When Students answer the questions directly on the LINEChat windows, the answers will then be analyzed on the web server via LINEBot to see whether they meet the conditions configured or not. If they meet the conditions, the answers will be compared with correct answers in the database of the web server. On the other hand, if the answers from the students are incorrect, the LINEBot will send a warning message to the students to resend the answers again. Finally, after completing the test, the exam results including the time spent in taking the exams, will be immediately reported to the students via LINEBot.
{"title":"Smart Quiz System for Classroom via LINEBot","authors":"V. Sittakul, Supakorn Judprasong, Nattawat Saengmanee","doi":"10.1109/RI2C48728.2019.8999907","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999907","url":null,"abstract":"This work presents a smart quiz system for classroom via LINEBot. With the smart quiz via LINEBot, the students can have paperless tests. The tests can be performed on the LINE software which is very popular among the students in Asia. The questions can be in the form of multiple choices, true/false, matching and short answers which can also be generated and sent from a web server to LINEChat window. When Students answer the questions directly on the LINEChat windows, the answers will then be analyzed on the web server via LINEBot to see whether they meet the conditions configured or not. If they meet the conditions, the answers will be compared with correct answers in the database of the web server. On the other hand, if the answers from the students are incorrect, the LINEBot will send a warning message to the students to resend the answers again. Finally, after completing the test, the exam results including the time spent in taking the exams, will be immediately reported to the students via LINEBot.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126986483","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999957
Puttakul Sakul-Ung, Sucha Smanchat
Privacy has become a critical attribute in information security. Essentially, it is the responsibility of service providers who have access to personally identifiable information. General Data Protection Regulation (GDPR) is an indicator that privacy is being considered as an important regulatory requirement. This paper reviews and presents privacy frameworks within software development and its applications. The reviewed results would be consolidated and used for settling integrated privacy framework for software development projects. The proposed framework is demonstrated by examining through SDLC and project management processes.
{"title":"Towards Privacy Framework in Software Development Projects and Applications: An Integrated Framework","authors":"Puttakul Sakul-Ung, Sucha Smanchat","doi":"10.1109/RI2C48728.2019.8999957","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999957","url":null,"abstract":"Privacy has become a critical attribute in information security. Essentially, it is the responsibility of service providers who have access to personally identifiable information. General Data Protection Regulation (GDPR) is an indicator that privacy is being considered as an important regulatory requirement. This paper reviews and presents privacy frameworks within software development and its applications. The reviewed results would be consolidated and used for settling integrated privacy framework for software development projects. The proposed framework is demonstrated by examining through SDLC and project management processes.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129130138","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999960
Supanat Apipatsakul, M. Masomtob, N. Fuengwarodsakul
For the conventional passive balancing circuit in Li-Ion battery packs, one constant bleeding resistor and one switch are used for draining excess energy of one battery cell. Using the PWM (Pulse-Width-Modulation) switching technique for controlling the switch, one can vary the drained power by adjusting the duty cycle and switching frequency. This paper studies the design constraints of the passive balancing circuit for being used with the PWM switching technique. Normally, the bleeding power for the unity duty cycle must be set first as high as possible. Bleeding power can be varied by adjusting the PWM duty cycle. For draining high power or current, the MOSFET switch could run into the linear region causing the excessive losses on the MOSFET. The experiments are carried out to demonstrate the behaviors of the passive balancing circuits. As the study results, guidelines and recommendations are given for optimal designs of high power PWM passive balancing circuit.
{"title":"On a Design of Adjustable Passive Balancing Circuit Using PWM Technique for Li-Ion Battery","authors":"Supanat Apipatsakul, M. Masomtob, N. Fuengwarodsakul","doi":"10.1109/RI2C48728.2019.8999960","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999960","url":null,"abstract":"For the conventional passive balancing circuit in Li-Ion battery packs, one constant bleeding resistor and one switch are used for draining excess energy of one battery cell. Using the PWM (Pulse-Width-Modulation) switching technique for controlling the switch, one can vary the drained power by adjusting the duty cycle and switching frequency. This paper studies the design constraints of the passive balancing circuit for being used with the PWM switching technique. Normally, the bleeding power for the unity duty cycle must be set first as high as possible. Bleeding power can be varied by adjusting the PWM duty cycle. For draining high power or current, the MOSFET switch could run into the linear region causing the excessive losses on the MOSFET. The experiments are carried out to demonstrate the behaviors of the passive balancing circuits. As the study results, guidelines and recommendations are given for optimal designs of high power PWM passive balancing circuit.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126505688","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999954
N. Puangngernmak, T. Srisurat
The objective of this experiment is a reflection coefficient measurement of the simple monopole microwave sensor with the vector network analyzer. The measurement results represent the indicated purification level of the sample of biodiesel product compared to the results analyzed by Gas Chromatography (GC) technique (modified EN14103) for detecting standard qualification. The optimization structure with dimensions of components in the simple microwave sensor is a consideration by the permittivity properties of biodiesel samples varying on the level of purification as a standard with an open-end coaxial method. The frequency range of measurement is a deliberation in the term of frequency resonance that depending on the equivalent circuit of the simple microwave sensor. The frequency responding of the reflection coefficient of the simple microwave sensor can indicate the purifying with the resonance frequency range from 7.5 to 8.5 GHz. The result of this experiment can develop a low-cost sensor for indicating the quality of the biodiesel produced from the community enterprise in the Rayong area where is in Eastern Economic Corridor (EEC) Thailand.
{"title":"The indicate purifying of biodiesel with the reflection coefficient measurement of the simple microwave sensor","authors":"N. Puangngernmak, T. Srisurat","doi":"10.1109/RI2C48728.2019.8999954","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999954","url":null,"abstract":"The objective of this experiment is a reflection coefficient measurement of the simple monopole microwave sensor with the vector network analyzer. The measurement results represent the indicated purification level of the sample of biodiesel product compared to the results analyzed by Gas Chromatography (GC) technique (modified EN14103) for detecting standard qualification. The optimization structure with dimensions of components in the simple microwave sensor is a consideration by the permittivity properties of biodiesel samples varying on the level of purification as a standard with an open-end coaxial method. The frequency range of measurement is a deliberation in the term of frequency resonance that depending on the equivalent circuit of the simple microwave sensor. The frequency responding of the reflection coefficient of the simple microwave sensor can indicate the purifying with the resonance frequency range from 7.5 to 8.5 GHz. The result of this experiment can develop a low-cost sensor for indicating the quality of the biodiesel produced from the community enterprise in the Rayong area where is in Eastern Economic Corridor (EEC) Thailand.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129555414","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 : 2019-12-01DOI: 10.1109/RI2C48728.2019.8999893
Niphaporn Panya, Sansiri Tanachutiwat
The purpose of this work is to create more defective specimen for development of deep learning model for non-destructive inspection of welding materials of the workpiece by radiographic testing. Inadequate amounts of defective samples in some rare cases poses a major challenge for the development of defect detection and classification deep learning models. Obtaining actual rare defects from real works is improbable in the industry. Therefore, an approach to create and collect defective welding sample are design and proposed. The specimen design and defect definition are according to international standards.
{"title":"Creating Subsurface Defect Specimens for Deep Learning Analyzing of Radiographic Weld Testing","authors":"Niphaporn Panya, Sansiri Tanachutiwat","doi":"10.1109/RI2C48728.2019.8999893","DOIUrl":"https://doi.org/10.1109/RI2C48728.2019.8999893","url":null,"abstract":"The purpose of this work is to create more defective specimen for development of deep learning model for non-destructive inspection of welding materials of the workpiece by radiographic testing. Inadequate amounts of defective samples in some rare cases poses a major challenge for the development of defect detection and classification deep learning models. Obtaining actual rare defects from real works is improbable in the industry. Therefore, an approach to create and collect defective welding sample are design and proposed. The specimen design and defect definition are according to international standards.","PeriodicalId":404700,"journal":{"name":"2019 Research, Invention, and Innovation Congress (RI2C)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125234719","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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