Pub Date : 2019-07-01DOI: 10.1109/ICEAST.2019.8802585
Thongterm Chunsangnetr, S. Chivapreecha
The propose of this paper is to improve the performance of Passive Bistatic Radar. The process of developed model has three steps. Firstly, the integration of the designed Passive Bistatic Radar algorithm such as coherent receiver USRP B-210, Least Mean Square (LMS) adaptive filter for noise cancellation, cross correlation for comparing similarity of two series signals and the result display on time scope for range and velocity of the targets. Secondly, the test on the overall system with the simulation targets in real time environment. Thirdly, the evaluation on the result of simulation for the range and velocity of the targets. The result of this experiment is more stable because of better synchronization receiver, noise cancellation in designed LMS which is close to the LMS simulink block, range and velocity from cross correlation for comparing similarity of the signals appear correctly. Conclusion, the simulations show that the proposed algorithms improve the performance of Passive Bistatic Radar.
{"title":"Modeling and Simulation in Passive Bistatic Radar for Detecting Target Range and Velocity Application to USRP B-210 SDR","authors":"Thongterm Chunsangnetr, S. Chivapreecha","doi":"10.1109/ICEAST.2019.8802585","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802585","url":null,"abstract":"The propose of this paper is to improve the performance of Passive Bistatic Radar. The process of developed model has three steps. Firstly, the integration of the designed Passive Bistatic Radar algorithm such as coherent receiver USRP B-210, Least Mean Square (LMS) adaptive filter for noise cancellation, cross correlation for comparing similarity of two series signals and the result display on time scope for range and velocity of the targets. Secondly, the test on the overall system with the simulation targets in real time environment. Thirdly, the evaluation on the result of simulation for the range and velocity of the targets. The result of this experiment is more stable because of better synchronization receiver, noise cancellation in designed LMS which is close to the LMS simulink block, range and velocity from cross correlation for comparing similarity of the signals appear correctly. Conclusion, the simulations show that the proposed algorithms improve the performance of Passive Bistatic Radar.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121770047","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802531
Thanadol Tiengthong, Chanidaphar Sanguanpuak, Khamphoui Southisombat, S. Promwong
Partial discharge localization in power transformer is very important. A suitable evaluation method is one of the most critical part in order to find the exactly location of partial discharge. In this paper, an ultra-high frequency partial discharge localization is introduced. Weighted centroid method is one of a suitable method to evaluate the localization in partial discharge localization as well as other wireless localization system. There are many limitation of place to install the antenna in power transformer. The proper antenna placing is very important issue because improper location will affect the accuracy of partial discharge localization. The experiment of partial discharge measurement is carried out on a power transformer model from tesla power company. The purposed method used weighted centroid with received signal strength to evaluation the partial discharge in power transformer. The results show average value of received signal strength at each measurement position and the distance error of partial discharge location with weighted centroid method. The benefits of this method is useful to evaluate the partial discharge in power transformer.
{"title":"Evaluation of Partial Discharge Localization in Power Transformer with Weighted Centroid Method","authors":"Thanadol Tiengthong, Chanidaphar Sanguanpuak, Khamphoui Southisombat, S. Promwong","doi":"10.1109/ICEAST.2019.8802531","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802531","url":null,"abstract":"Partial discharge localization in power transformer is very important. A suitable evaluation method is one of the most critical part in order to find the exactly location of partial discharge. In this paper, an ultra-high frequency partial discharge localization is introduced. Weighted centroid method is one of a suitable method to evaluate the localization in partial discharge localization as well as other wireless localization system. There are many limitation of place to install the antenna in power transformer. The proper antenna placing is very important issue because improper location will affect the accuracy of partial discharge localization. The experiment of partial discharge measurement is carried out on a power transformer model from tesla power company. The purposed method used weighted centroid with received signal strength to evaluation the partial discharge in power transformer. The results show average value of received signal strength at each measurement position and the distance error of partial discharge location with weighted centroid method. The benefits of this method is useful to evaluate the partial discharge in power transformer.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126832875","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802560
Natchanai Roongmuanpha, P. Mongkolwai, T. Pukkalanun, W. Tangsrirat
In this work, a circuit configuration for the realization the CMOS voltage differencing transconductance amplifier (VDTA) with linear tunable transconductance and wide-input dynamic range is introduced. The circuit design technique is achieved by squaring the long-tail bias current of the differential-input voltage-to-current converter circuit. In addition, the linearity region of the input signal is also improved by using source degeneration technique. The workability of the proposed linearly tunable VDTA has been shown on the construction of the electronically controllable first-order allpass filter circuit. The proposed circuit and its application are investigated and simulated with PSPICE software using TSMC $0.25-mu mathrm{m}$ CMOS technology.
{"title":"CMOS Voltage Differencing Transconductance Amplifier with Linearly Adjustable Transconductance Gains","authors":"Natchanai Roongmuanpha, P. Mongkolwai, T. Pukkalanun, W. Tangsrirat","doi":"10.1109/ICEAST.2019.8802560","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802560","url":null,"abstract":"In this work, a circuit configuration for the realization the CMOS voltage differencing transconductance amplifier (VDTA) with linear tunable transconductance and wide-input dynamic range is introduced. The circuit design technique is achieved by squaring the long-tail bias current of the differential-input voltage-to-current converter circuit. In addition, the linearity region of the input signal is also improved by using source degeneration technique. The workability of the proposed linearly tunable VDTA has been shown on the construction of the electronically controllable first-order allpass filter circuit. The proposed circuit and its application are investigated and simulated with PSPICE software using TSMC $0.25-mu mathrm{m}$ CMOS technology.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127989127","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802605
C. Vongchumyen, Sarayuth Torthitithum, Jirachaya Khamsopa, P. Watanachaturaporn
Home appliances-controlled platform with HomeKit application is a platform that allows users to control general appliances via HomeKit, which is an application from Apple on any device running iOS10 or later. The platform is the communication medium between application and appliances. The appliances do not need to be manufactured by Apple since they are expensive and have to put an effort in case the customer want to buy it. The platform is capable of receiving and transferring data to a HomeKit application for data processing, then transmits signal back to control the operation of the appliances. Within the platform, there is a section that acts as a communication server for the HomeKit application which is like a direct Apple server. In addition to receiving and sending data from the HomeKit application, the platform also has an automatic control that is controlled by the reading sensor contained in each platform comparing the threshold values, user defined. Each platform has different sensors based on their operations and can control only one type of appliance because each type of control uses different signal, the control must be unique, matching the type of appliances and the form of command in different manufacturers.
{"title":"Home Appliances-Controlled Platform with HomeKit Application","authors":"C. Vongchumyen, Sarayuth Torthitithum, Jirachaya Khamsopa, P. Watanachaturaporn","doi":"10.1109/ICEAST.2019.8802605","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802605","url":null,"abstract":"Home appliances-controlled platform with HomeKit application is a platform that allows users to control general appliances via HomeKit, which is an application from Apple on any device running iOS10 or later. The platform is the communication medium between application and appliances. The appliances do not need to be manufactured by Apple since they are expensive and have to put an effort in case the customer want to buy it. The platform is capable of receiving and transferring data to a HomeKit application for data processing, then transmits signal back to control the operation of the appliances. Within the platform, there is a section that acts as a communication server for the HomeKit application which is like a direct Apple server. In addition to receiving and sending data from the HomeKit application, the platform also has an automatic control that is controlled by the reading sensor contained in each platform comparing the threshold values, user defined. Each platform has different sensors based on their operations and can control only one type of appliance because each type of control uses different signal, the control must be unique, matching the type of appliances and the form of command in different manufacturers.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133554209","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802583
Athasart Narkthewan, Noppadol Maneerat
Diabetic retinopathy (DR) is leading to cause of blood clot stimulating the formation of abnormal new blood vessels. hemorrhage and protein secretion from blood vessels to retinal tissue. The retinal damage causes the loss of sight thus the localization of Optic Disc is necessary for analysis of the abnormal retinal image. However, the data located at the Optic Disc image are similar to Hard Exudates in the retinal image. Therefore, the aim of the present study is to detect Optic Disc using the technique of background removal. The principle of image processing is also applied for the retinal image. The image data from Fundus camera are recorded in RGB color model separated into 3 channels: red, green and blue channel. The data of all channels are evaluated by the preprocessing algorithm to make a more clear appearance of Optic Disc. Subsequently, the preprocessing image is analyzed by iterative background removal using entropy evaluation of the image data. Finally., the variance analysis of data intensity is performed in both the horizontal and vertical axis to determine the localization and size of Optic Disc. The result shows that the accuracy of localization and size of Optic Disc is approximately 98%. It indicates that this method is useful for retinal image analysis of diabetic retinopathy.
{"title":"Automatic Localization of Optic Disc in Fundus Image Using Iterative Background Removal","authors":"Athasart Narkthewan, Noppadol Maneerat","doi":"10.1109/ICEAST.2019.8802583","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802583","url":null,"abstract":"Diabetic retinopathy (DR) is leading to cause of blood clot stimulating the formation of abnormal new blood vessels. hemorrhage and protein secretion from blood vessels to retinal tissue. The retinal damage causes the loss of sight thus the localization of Optic Disc is necessary for analysis of the abnormal retinal image. However, the data located at the Optic Disc image are similar to Hard Exudates in the retinal image. Therefore, the aim of the present study is to detect Optic Disc using the technique of background removal. The principle of image processing is also applied for the retinal image. The image data from Fundus camera are recorded in RGB color model separated into 3 channels: red, green and blue channel. The data of all channels are evaluated by the preprocessing algorithm to make a more clear appearance of Optic Disc. Subsequently, the preprocessing image is analyzed by iterative background removal using entropy evaluation of the image data. Finally., the variance analysis of data intensity is performed in both the horizontal and vertical axis to determine the localization and size of Optic Disc. The result shows that the accuracy of localization and size of Optic Disc is approximately 98%. It indicates that this method is useful for retinal image analysis of diabetic retinopathy.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131604841","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802533
S. Tammaruckwattana, Saravut Reangkittakarn, P. Khajornrungruang, P. Phaisalpanumas, A. Rerkratn
This paper proposes the experimental of hydropower plant generator system (HPGS). The HPGS using LabView that simulate the veritable flow rates control system is considered, the plant system includes of a permanent magnet synchronous generator (PMSG), a diode bridge rectifier circuit (DBRC) and an Inverter control system. The Inverter control system is used for current and voltage control is the power converter. The controller configured by the function in LabVIEW. In addition, valve control has too installation to computer monitoring a flow rate of water. Also, the obtained parameters are calculated form generator torque characteristic The HPGS using LabVIEW the implemented is explained by comparing the HPGS using Pelton method and the HPGS using standard method.
{"title":"Hydropower Plant Generator System Model Using LabVIEW","authors":"S. Tammaruckwattana, Saravut Reangkittakarn, P. Khajornrungruang, P. Phaisalpanumas, A. Rerkratn","doi":"10.1109/ICEAST.2019.8802533","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802533","url":null,"abstract":"This paper proposes the experimental of hydropower plant generator system (HPGS). The HPGS using LabView that simulate the veritable flow rates control system is considered, the plant system includes of a permanent magnet synchronous generator (PMSG), a diode bridge rectifier circuit (DBRC) and an Inverter control system. The Inverter control system is used for current and voltage control is the power converter. The controller configured by the function in LabVIEW. In addition, valve control has too installation to computer monitoring a flow rate of water. Also, the obtained parameters are calculated form generator torque characteristic The HPGS using LabVIEW the implemented is explained by comparing the HPGS using Pelton method and the HPGS using standard method.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125097154","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802582
P. Nimsanong, N. Boonsaner, N. Pattanadech
Insulation resistance and polarization index tests have been conducted in utility companies as one of the major tools for evaluating the integrity of stator winding insulation of medium voltage motor. Unfortunately, the information obtained from the measurement results are the combination of the electrical problem and polarization problem in the insulation system not separated from each other. This paper presents a new approach so-called charge difference analysis (QDA) and charge ratio analysis (QRA) to identify the problem in stator winding insulation occurred from conduction mechanism or/and polarization mechanism. Moreover, proposed parameters which are QD, QG and QR have been conducted on field motors in the following case studies: the first group (A) consists of two motors of which one is new motor and the other one is severely aged motor, the second group (B) consists of two motors of which one is lightly loaded motor and the other one is thermally aged motor, and the third group (C) consists of a single motor, on which PDC measurements have been carried out after maintenance in 2014 and 2016 respectively. From experiments, it was found that proposed parameters are able to provide useful information about the condition of stator insulation, i.e. contamination or/and degradation.
{"title":"Condition Assessment of MV Motor Based on Charge Difference and Charge Ratio Analysis","authors":"P. Nimsanong, N. Boonsaner, N. Pattanadech","doi":"10.1109/ICEAST.2019.8802582","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802582","url":null,"abstract":"Insulation resistance and polarization index tests have been conducted in utility companies as one of the major tools for evaluating the integrity of stator winding insulation of medium voltage motor. Unfortunately, the information obtained from the measurement results are the combination of the electrical problem and polarization problem in the insulation system not separated from each other. This paper presents a new approach so-called charge difference analysis (QDA) and charge ratio analysis (QRA) to identify the problem in stator winding insulation occurred from conduction mechanism or/and polarization mechanism. Moreover, proposed parameters which are QD, QG and QR have been conducted on field motors in the following case studies: the first group (A) consists of two motors of which one is new motor and the other one is severely aged motor, the second group (B) consists of two motors of which one is lightly loaded motor and the other one is thermally aged motor, and the third group (C) consists of a single motor, on which PDC measurements have been carried out after maintenance in 2014 and 2016 respectively. From experiments, it was found that proposed parameters are able to provide useful information about the condition of stator insulation, i.e. contamination or/and degradation.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126865450","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802555
Phosy Panthongsy, D. Isarakorn, K. Hamamoto, P. Janphuang
This paper presents the performance and behavior analysis of two unlike piezoelectric energy harvesting floor tiles in which they are functioned with different frequency up-conversion strategies to achieve the high energy conversion efficiency from low and variable-frequency vibration as the human footstep. One of such strategies is to convert the frequency of piezoelectric bimorph up through the magnetic interaction between a permanent magnet and an iron plate, while another one is achieved on that through the mechanical impact between a cover plate and a wall of the floor tile. Experimentally, the floor tiles having one piezoelectric bimorph inside of them are prototyped and then mounted to their individual input-exciting kit to investigate the energy harvesting performance. The input-exciting kits are employed to simulate the human footstep on floor tiles. The results show that the floor tile with frequency up-converting mechanism based on mechanical impact should be a better option for energy harvesting from human footstep due to the low-profile structure and good energy harvesting performance. Moreover, its operational way can result in long-lasting piezoelectric bimorph. When a cover plate is actuated to move down with the velocity of 54.13 mm/s and then released, the floor tile can produce the average power of 0.82 mW at load resistance approximately of $55.68 mathrm{k}Omega$.
{"title":"Performance and Behavior Analysis of Piezoelectric Energy Harvesting Floor Tiles","authors":"Phosy Panthongsy, D. Isarakorn, K. Hamamoto, P. Janphuang","doi":"10.1109/ICEAST.2019.8802555","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802555","url":null,"abstract":"This paper presents the performance and behavior analysis of two unlike piezoelectric energy harvesting floor tiles in which they are functioned with different frequency up-conversion strategies to achieve the high energy conversion efficiency from low and variable-frequency vibration as the human footstep. One of such strategies is to convert the frequency of piezoelectric bimorph up through the magnetic interaction between a permanent magnet and an iron plate, while another one is achieved on that through the mechanical impact between a cover plate and a wall of the floor tile. Experimentally, the floor tiles having one piezoelectric bimorph inside of them are prototyped and then mounted to their individual input-exciting kit to investigate the energy harvesting performance. The input-exciting kits are employed to simulate the human footstep on floor tiles. The results show that the floor tile with frequency up-converting mechanism based on mechanical impact should be a better option for energy harvesting from human footstep due to the low-profile structure and good energy harvesting performance. Moreover, its operational way can result in long-lasting piezoelectric bimorph. When a cover plate is actuated to move down with the velocity of 54.13 mm/s and then released, the floor tile can produce the average power of 0.82 mW at load resistance approximately of $55.68 mathrm{k}Omega$.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130192934","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802542
Ratanaubol Rubpongse, Wanglok Do, K. Eguchi
To provide high stepped-up voltages to energy harvesting systems, this paper proposes ‘$boldsymbol{K^{N}}(boldsymbol{K}=1,2,ldots)$ and ($boldsymbol{N}=1,2,ldots$) voltage gain switched-capacitor DC-DC converter’ based on parallel Fibonacci-Type converters. The suggested converter topology leads the proposed converter to generate K power of N voltage gain in every clock cycle. Moreover, the power efficiency of the proposed converter is higher than that of traditional converters when they are operated on high gain mode. Since the output capacitance of the suggested converter is smaller than that of the conventional converter, it is possible to reduce the occupation area when IC implementation of the proposed one is performed.
{"title":"The Development of $K^{N}$ Voltage Gain Switched-Capacitor DC-DC Converter Based on Parallel Fibonacci-Type Converter","authors":"Ratanaubol Rubpongse, Wanglok Do, K. Eguchi","doi":"10.1109/ICEAST.2019.8802542","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802542","url":null,"abstract":"To provide high stepped-up voltages to energy harvesting systems, this paper proposes ‘$boldsymbol{K^{N}}(boldsymbol{K}=1,2,ldots)$ and ($boldsymbol{N}=1,2,ldots$) voltage gain switched-capacitor DC-DC converter’ based on parallel Fibonacci-Type converters. The suggested converter topology leads the proposed converter to generate K power of N voltage gain in every clock cycle. Moreover, the power efficiency of the proposed converter is higher than that of traditional converters when they are operated on high gain mode. Since the output capacitance of the suggested converter is smaller than that of the conventional converter, it is possible to reduce the occupation area when IC implementation of the proposed one is performed.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128480443","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 : 2019-07-01DOI: 10.1109/ICEAST.2019.8802543
N. Moonpa, Kasem Janma
This research aims to model the dynamic properties of carbon black filled rubber under dynamic loads and find the parameters of the model. The models used included the Generalized Maxwell Model (GMM) and Generalized Fractional Derivative Maxwell Model (GFDMM). The research methodology used the experimental data of the dynamic preload test properties and data using dynamic excitation at constant amplitude throughout the frequency range 0–100 Hz. Parameters for both models was then found through curve fitting using the MATLAB program. The research found that GMM provided good results throughout the frequency range between 0–100 Hz., while the GFDMM also gave as good simulation results as GMM. Increasing the model elements provided better results but the GFDMM required less elements than the GMM. It can be concluded that both models can simulate the dynamic properties of carbon black filled rubber within and beyond that frequency range depending on the number of model elements.
{"title":"Viscoelastic Modelling and Parameter Identification of Elastomer under Dynamic Excitation","authors":"N. Moonpa, Kasem Janma","doi":"10.1109/ICEAST.2019.8802543","DOIUrl":"https://doi.org/10.1109/ICEAST.2019.8802543","url":null,"abstract":"This research aims to model the dynamic properties of carbon black filled rubber under dynamic loads and find the parameters of the model. The models used included the Generalized Maxwell Model (GMM) and Generalized Fractional Derivative Maxwell Model (GFDMM). The research methodology used the experimental data of the dynamic preload test properties and data using dynamic excitation at constant amplitude throughout the frequency range 0–100 Hz. Parameters for both models was then found through curve fitting using the MATLAB program. The research found that GMM provided good results throughout the frequency range between 0–100 Hz., while the GFDMM also gave as good simulation results as GMM. Increasing the model elements provided better results but the GFDMM required less elements than the GMM. It can be concluded that both models can simulate the dynamic properties of carbon black filled rubber within and beyond that frequency range depending on the number of model elements.","PeriodicalId":188498,"journal":{"name":"2019 5th International Conference on Engineering, Applied Sciences and Technology (ICEAST)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116889953","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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