In this paper the temperature dependent resistance of carbon-based interconnects is described using parameterized SPICE computer model. The obtained resistance values are then used for carbon nanotube (CNT) a thermally aware model considering the temperature coefficient of resistance (TCR). The models have been created for both SWCNT and MWCNT. Parameterized computer SPICE models of higher accuracy for SWCNT bundle and MWCNT interconnects are proposed. Verification has been made to confirm the applicability of the advanced computer models.
{"title":"Computer Modeling of Temperature Dependent Resistance of Carbon Nanotubes Interconnects","authors":"Petya Popova, E. Gadjeva","doi":"10.1109/ET.2019.8878540","DOIUrl":"https://doi.org/10.1109/ET.2019.8878540","url":null,"abstract":"In this paper the temperature dependent resistance of carbon-based interconnects is described using parameterized SPICE computer model. The obtained resistance values are then used for carbon nanotube (CNT) a thermally aware model considering the temperature coefficient of resistance (TCR). The models have been created for both SWCNT and MWCNT. Parameterized computer SPICE models of higher accuracy for SWCNT bundle and MWCNT interconnects are proposed. Verification has been made to confirm the applicability of the advanced computer models.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127245877","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}
The correlation-extremal method and the time mutability method for measurement the stochastic fields drift velocity are applied. A procedure for modeling two types of signals, corresponding to the radiometric sounding of moving cloud field is suggested. The first one: one-dimensional signals, describing observation with infrared radiometer of non-homogeneous cloud field moving with constant drift velocity without time evolution. The second one: one-dimensional signals, describing the observation of non-stationary and non-homogeneous objects, constructed accounting for the possibility to present the meteorological field time evolution as a superposition of traveling plane waves. On their basis the possibilities and the accuracy of both methods are compared. Numerical examples, illustrated by graphic material, have been shown.
{"title":"Comparison of the Time Mutability and the Correlation-Extremal Methods for Stohastic Objects Drift Velocity Measurements","authors":"B. Pachedjieva","doi":"10.1109/ET.2019.8878645","DOIUrl":"https://doi.org/10.1109/ET.2019.8878645","url":null,"abstract":"The correlation-extremal method and the time mutability method for measurement the stochastic fields drift velocity are applied. A procedure for modeling two types of signals, corresponding to the radiometric sounding of moving cloud field is suggested. The first one: one-dimensional signals, describing observation with infrared radiometer of non-homogeneous cloud field moving with constant drift velocity without time evolution. The second one: one-dimensional signals, describing the observation of non-stationary and non-homogeneous objects, constructed accounting for the possibility to present the meteorological field time evolution as a superposition of traveling plane waves. On their basis the possibilities and the accuracy of both methods are compared. Numerical examples, illustrated by graphic material, have been shown.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123204147","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}
Nikolay T. Dukov, F. Feradov, G. Gospodinova, K. Bliznakova
The development of new techniques for detection of breast cancer often relies on virtual clinical trials. These trials however require vast number of x-ray images of the breast containing realistically looking pathologies. For this purpose, as many as possible and as realistic as possible physical models of breast lesions are needed. The goal of this study is to create a methodology for manufacturing various breast abnormalities, with a detail description of the stages needed for their development. These models are to be used for development of new breast cancer detection technologies.
{"title":"An Approach for Printing Tissue-mimicking Abnormalities Dedicated to Applications in Breast Imaging","authors":"Nikolay T. Dukov, F. Feradov, G. Gospodinova, K. Bliznakova","doi":"10.1109/ET.2019.8878587","DOIUrl":"https://doi.org/10.1109/ET.2019.8878587","url":null,"abstract":"The development of new techniques for detection of breast cancer often relies on virtual clinical trials. These trials however require vast number of x-ray images of the breast containing realistically looking pathologies. For this purpose, as many as possible and as realistic as possible physical models of breast lesions are needed. The goal of this study is to create a methodology for manufacturing various breast abnormalities, with a detail description of the stages needed for their development. These models are to be used for development of new breast cancer detection technologies.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125885924","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}
The report presents experimental results from the development of a new method of soldering of surface mount components. Various soldering pastes were used to form the solder. Footprinting is done by combining screen printing and dispenser, screen printing and Jet printer. Experimental combinations of high-temperature and low-temperature leadfree pastes were used. The footprints are located wholly or partially on contact pads using different topologies. The process is described and the soldering effects are presented.
{"title":"New method for two-component soldering in surface mounting","authors":"V. Videkov, V. Tsenev","doi":"10.1109/ET.2019.8878489","DOIUrl":"https://doi.org/10.1109/ET.2019.8878489","url":null,"abstract":"The report presents experimental results from the development of a new method of soldering of surface mount components. Various soldering pastes were used to form the solder. Footprinting is done by combining screen printing and dispenser, screen printing and Jet printer. Experimental combinations of high-temperature and low-temperature leadfree pastes were used. The footprints are located wholly or partially on contact pads using different topologies. The process is described and the soldering effects are presented.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132008035","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}
In this paper are presented the description of the developed and implemented system for tests control and the analysis of the results received from the testing of students. The database and the developed forms are revealed in the paper. Statistical and probability analysis of the received results are being made and described. Conclusions have been made for the advantages of the newly developed system.
{"title":"The e-learning test system module for statistical analysis of tests’ results","authors":"L. Stoyanova, D. Minkovska, Arber Shefqet Percuku","doi":"10.1109/ET.2019.8878558","DOIUrl":"https://doi.org/10.1109/ET.2019.8878558","url":null,"abstract":"In this paper are presented the description of the developed and implemented system for tests control and the analysis of the results received from the testing of students. The database and the developed forms are revealed in the paper. Statistical and probability analysis of the received results are being made and described. Conclusions have been made for the advantages of the newly developed system.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130270026","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}
This report represents the results of a study of the evaluation of a robotic final assembly complex with three robots in the company UniPOS working together and synchronized, without the involvement of a person in the assembly process and with the introduction of flexible automatic control. The INDUSTRY 4.0 operating principles are used and mainly flexible control with the ability to determine the level of control, as well as the ability to store data, process and use through WEB based. The results of the standard operation of the complex and flexible assembly quality control are examined and compared. Conclusions were made on the effectiveness of the assembly complex using flexible automatic control. Ideas for future development are outlined.
{"title":"Robot assembly with flexible automatic control according to INDUSTRY 4.0","authors":"V. Tsenev","doi":"10.1109/ET.2019.8878551","DOIUrl":"https://doi.org/10.1109/ET.2019.8878551","url":null,"abstract":"This report represents the results of a study of the evaluation of a robotic final assembly complex with three robots in the company UniPOS working together and synchronized, without the involvement of a person in the assembly process and with the introduction of flexible automatic control. The INDUSTRY 4.0 operating principles are used and mainly flexible control with the ability to determine the level of control, as well as the ability to store data, process and use through WEB based. The results of the standard operation of the complex and flexible assembly quality control are examined and compared. Conclusions were made on the effectiveness of the assembly complex using flexible automatic control. Ideas for future development are outlined.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123816000","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}
The article describes a modelling and simulation research for thermal and electromagnetic processes in the system “induction boiler – electronic converter”. The results obtained are useful for the heater physical prototyping. The equivalent electrical parameters of the heater are defined in addition, in order to provide optimal design of the electronic converter. The control system of the device is developed based on microcontroller Arduino with developed program code.
{"title":"Modeling of the Thermal and Electromagnetic Processes in the Induction Water Heating System","authors":"N. Hinov, T. Petkov, Hristo Ibrishimov","doi":"10.1109/ET.2019.8878577","DOIUrl":"https://doi.org/10.1109/ET.2019.8878577","url":null,"abstract":"The article describes a modelling and simulation research for thermal and electromagnetic processes in the system “induction boiler – electronic converter”. The results obtained are useful for the heater physical prototyping. The equivalent electrical parameters of the heater are defined in addition, in order to provide optimal design of the electronic converter. The control system of the device is developed based on microcontroller Arduino with developed program code.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132358920","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}
N. Kafadarova, D. Stoyanova, S. Stoyanova-Petrova, N. Mileva, N. Vakrilov
This article describes our experience in using performance-support learning to acquire new knowledge and competences by future and current engineers for heat transfer modeling in electronic components and systems. Within the framework of the project "Engineering Education and Science for the Benefit of Business in the Design of Heat Transfer in Electronic Equipment", funded by Plovdiv University in 2019, we developed together with the business a curriculum, a performance-support e-learning course and multimedia resources for thermal management of electronic systems.
{"title":"Our Experience in Using Performance Support Learning in “Thermal Management of Electronic Equipment” Course","authors":"N. Kafadarova, D. Stoyanova, S. Stoyanova-Petrova, N. Mileva, N. Vakrilov","doi":"10.1109/ET.2019.8878599","DOIUrl":"https://doi.org/10.1109/ET.2019.8878599","url":null,"abstract":"This article describes our experience in using performance-support learning to acquire new knowledge and competences by future and current engineers for heat transfer modeling in electronic components and systems. Within the framework of the project \"Engineering Education and Science for the Benefit of Business in the Design of Heat Transfer in Electronic Equipment\", funded by Plovdiv University in 2019, we developed together with the business a curriculum, a performance-support e-learning course and multimedia resources for thermal management of electronic systems.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128097829","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}
Yoji Fujita, Takeshi Ishiguro, S. Tsuji, M. Koyama, A. Kono, H. Urushibata, R. Hanaoka
Lithium ion batteries (LiB) are widely used in portable devices due to their high storage energy density and high voltage per cell. Furthermore, as the application to electric vehicles is expanding, the battery cost is also decreasing. Therefore, LiB is also expected to be used for power leveling applications. Therefore, when LiB is connected to the grid, it is necessary to consider the possibility of high voltage pulses such as induced lightning being applied to LiB. We clarified that a current of 10000 C or more flows to LiB instantaneously when applying a high voltage pulse for a short time. Furthermore, it was reported that the decrease of the battery capacity did not occur when the pulse was applied for a short time. We reconfirmed the result. The current in LiB was analyzed assuming an equivalent circuit. It was found that when a short time pulse was applied, most of the current flowed to the electric double layer present at the interface between the electrode and the electrolyte, and hardly flowed to the reaction resistance corresponding to the electrochemical reaction. Furthermore, we examined the voltage and pulse width of the pulse which has a high possibility of affecting the battery capacity.
{"title":"The Influence of Applying High Voltage Pulse on Lithium ion Battery","authors":"Yoji Fujita, Takeshi Ishiguro, S. Tsuji, M. Koyama, A. Kono, H. Urushibata, R. Hanaoka","doi":"10.1109/ET.2019.8878560","DOIUrl":"https://doi.org/10.1109/ET.2019.8878560","url":null,"abstract":"Lithium ion batteries (LiB) are widely used in portable devices due to their high storage energy density and high voltage per cell. Furthermore, as the application to electric vehicles is expanding, the battery cost is also decreasing. Therefore, LiB is also expected to be used for power leveling applications. Therefore, when LiB is connected to the grid, it is necessary to consider the possibility of high voltage pulses such as induced lightning being applied to LiB. We clarified that a current of 10000 C or more flows to LiB instantaneously when applying a high voltage pulse for a short time. Furthermore, it was reported that the decrease of the battery capacity did not occur when the pulse was applied for a short time. We reconfirmed the result. The current in LiB was analyzed assuming an equivalent circuit. It was found that when a short time pulse was applied, most of the current flowed to the electric double layer present at the interface between the electrode and the electrolyte, and hardly flowed to the reaction resistance corresponding to the electrochemical reaction. Furthermore, we examined the voltage and pulse width of the pulse which has a high possibility of affecting the battery capacity.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131801579","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}
This study aims to answer the main question: “What is the state-of-the-art research studies on ECG sonification?”, presenting a systematic literature review (SLR) in 2 databases (Scopus and Pubmed) on English papers (2007-2019). SLR identified 173 articles. Further analytical screening of titles and abstracts selected 22 articles involved into a qualitative synthesis: 5 papers on the transformation of ECG signals into sound; 7 papers on the wireless transmission of auscultatory streams for heart diagnosis; 13 papers on the synchronization between ECG and cardiac auscultation.
{"title":"Sonification – an Alternative Presentation of the Electrocardiogram: A Systematic Literature Review","authors":"Ivan Kanev, I. Iliev, V. Krasteva","doi":"10.1109/ET.2019.8878650","DOIUrl":"https://doi.org/10.1109/ET.2019.8878650","url":null,"abstract":"This study aims to answer the main question: “What is the state-of-the-art research studies on ECG sonification?”, presenting a systematic literature review (SLR) in 2 databases (Scopus and Pubmed) on English papers (2007-2019). SLR identified 173 articles. Further analytical screening of titles and abstracts selected 22 articles involved into a qualitative synthesis: 5 papers on the transformation of ECG signals into sound; 7 papers on the wireless transmission of auscultatory streams for heart diagnosis; 13 papers on the synchronization between ECG and cardiac auscultation.","PeriodicalId":306452,"journal":{"name":"2019 IEEE XXVIII International Scientific Conference Electronics (ET)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134388962","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：