In this article, one of the most important digital fabrication techniques, inkjet printing for a few sensors, is presented. Inks based on nanoparticles, nanotubes and graphene oxide are described. The majority of inkjetprinted conducting materials are based on silver, gold, carbon nanomaterials, graphene, and conducting polymers. For each sensor type a selection of application examples is provided, illustrating the various possibilities of inkjetprinted electronics. A comparison between inkjet-printing and conventional fabrication methods is made.
{"title":"Inkjet-Printing in Development of Flexible and Wearable Sensing Electronics","authors":"N. Delibozov, M. Spasova","doi":"10.1109/ET.2019.8878533","DOIUrl":"https://doi.org/10.1109/ET.2019.8878533","url":null,"abstract":"In this article, one of the most important digital fabrication techniques, inkjet printing for a few sensors, is presented. Inks based on nanoparticles, nanotubes and graphene oxide are described. The majority of inkjetprinted conducting materials are based on silver, gold, carbon nanomaterials, graphene, and conducting polymers. For each sensor type a selection of application examples is provided, illustrating the various possibilities of inkjetprinted electronics. A comparison between inkjet-printing and conventional fabrication methods is made.","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":"123884018","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}
M. Spasova, T. Brusev, G. Angelov, R. Radonov, M. Hristov
In this paper we compare low power ramp generator schematics realized with conventional MOSFET transistors and CNTFET transistors. The current consumption and power losses of the both circuits are evaluated and analyzed. The generator circuit is part of an overall buck dc-dc converter system, which uses a PWM control technique. The investigation is performed in Cadence Spectre circuit simulator using the 0.35 µm CMOS technology design kit.
{"title":"Low Power Ramp Generator with MOSFET and CNTFET Transistors","authors":"M. Spasova, T. Brusev, G. Angelov, R. Radonov, M. Hristov","doi":"10.1109/ET.2019.8878567","DOIUrl":"https://doi.org/10.1109/ET.2019.8878567","url":null,"abstract":"In this paper we compare low power ramp generator schematics realized with conventional MOSFET transistors and CNTFET transistors. The current consumption and power losses of the both circuits are evaluated and analyzed. The generator circuit is part of an overall buck dc-dc converter system, which uses a PWM control technique. The investigation is performed in Cadence Spectre circuit simulator using the 0.35 µm CMOS technology design kit.","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":"114077760","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}
M. Marinov, Dimitar I. Iliev, T. Djamiykov, I. Rachev, K. Asparuhova
Air quality has become a major concern for citizens all over the world. It is well documented that Fine Particulate Matter (FPM) is a health hazard which can affect the cardiovascular system, respiratory system, etc. and lead to high mortality rates. This study presents the development and implementation of an innovative portable air purifier. The device can be used to improve air quality in small spaces.
{"title":"Portable Air Purifier with Air Quality Monitoring Sensor","authors":"M. Marinov, Dimitar I. Iliev, T. Djamiykov, I. Rachev, K. Asparuhova","doi":"10.1109/ET.2019.8878570","DOIUrl":"https://doi.org/10.1109/ET.2019.8878570","url":null,"abstract":"Air quality has become a major concern for citizens all over the world. It is well documented that Fine Particulate Matter (FPM) is a health hazard which can affect the cardiovascular system, respiratory system, etc. and lead to high mortality rates. This study presents the development and implementation of an innovative portable air purifier. The device can be used to improve air quality in small spaces.","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":"123175579","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}
E. Pencheva, I. Atanasov, Ivaylo Asenov, V. Trifonov
Data analytics will play a key role in fifth generation (5G) networks. Multi-access edge computing (MEC) which distributes cloud intelligence at the network edge can provide analytics data that optimize user quality of experience and network performance. In this paper, we propose an extension to existing MEC service which provides actual radio network information. The proposed extension enables applications deployed at the network edge to send prognostic user behavior information to the network.
{"title":"Provisioning of UE Behavior Prognostics at the Network Edge","authors":"E. Pencheva, I. Atanasov, Ivaylo Asenov, V. Trifonov","doi":"10.1109/ET.2019.8878631","DOIUrl":"https://doi.org/10.1109/ET.2019.8878631","url":null,"abstract":"Data analytics will play a key role in fifth generation (5G) networks. Multi-access edge computing (MEC) which distributes cloud intelligence at the network edge can provide analytics data that optimize user quality of experience and network performance. In this paper, we propose an extension to existing MEC service which provides actual radio network information. The proposed extension enables applications deployed at the network edge to send prognostic user behavior information to the network.","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":"123602818","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 paper presents an analytical model for supercapacitor loading when used in a power defined load scenario. The needed load power is defined as a combination of constant power and linearly increasing or decreasing segments. The analytical expression for the supercapacitor voltage and current under this scenario are presented along with some simulations and experimental results to verify the presented formulas.
{"title":"Supercapacitor Sizing for Power Defined Loads","authors":"Dimitar D. Arnaudov, P. Punov, V. Dimitrov","doi":"10.1109/ET.2019.8878532","DOIUrl":"https://doi.org/10.1109/ET.2019.8878532","url":null,"abstract":"The paper presents an analytical model for supercapacitor loading when used in a power defined load scenario. The needed load power is defined as a combination of constant power and linearly increasing or decreasing segments. The analytical expression for the supercapacitor voltage and current under this scenario are presented along with some simulations and experimental results to verify the presented formulas.","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":"131531098","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 recent years the transmission of haptic information over the Internet (including kinesthetic and tactile information), the tactile Internet and the teleoperation systems have become increasingly researched topics. The basic requirements for a tactile Internet based teleoperation system are the latency, reliability, availability and security. In order to have early detection of failures, there is a need to have a technical solution that constantly monitor events to make sure that the system is running properly. This article examines the role of the monitoring system in the structure of a tactile information transmission and visualization system. In connection with this, an experiment based on Zabbix monitoring system was conducted and some benefits of using a monitoring system have been discussed.
{"title":"Experimental Monitoring on Network Based Tactile Sensing System","authors":"S. Kamenov","doi":"10.1109/ET.2019.8878661","DOIUrl":"https://doi.org/10.1109/ET.2019.8878661","url":null,"abstract":"In recent years the transmission of haptic information over the Internet (including kinesthetic and tactile information), the tactile Internet and the teleoperation systems have become increasingly researched topics. The basic requirements for a tactile Internet based teleoperation system are the latency, reliability, availability and security. In order to have early detection of failures, there is a need to have a technical solution that constantly monitor events to make sure that the system is running properly. This article examines the role of the monitoring system in the structure of a tactile information transmission and visualization system. In connection with this, an experiment based on Zabbix monitoring system was conducted and some benefits of using a monitoring system have been discussed.","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":"125375127","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 presents a pilot course from the newly established Hardware Academy. The training was conducted within 2 semesters with students from TU - Sofia from the 3-rd year of the Bachelor’s degree program in Electronics. The program was proposed by Visteon’s experts. The focus of the program was the development of a specific car cluster project in a team. The University’s desire was to enable students to apply learning in this modern field, while being able to interact closely with other team members, including the industry experts. The program of the course is presented in detail. The results of the program are shown and discussed.
{"title":"Visteon Hardware academy - an additional advanced opportunity for education and training in automotive electronics for university students","authors":"K. Asparuhova, M. Mitov, Nikolay Daskalov","doi":"10.1109/ET.2019.8878659","DOIUrl":"https://doi.org/10.1109/ET.2019.8878659","url":null,"abstract":"The article presents a pilot course from the newly established Hardware Academy. The training was conducted within 2 semesters with students from TU - Sofia from the 3-rd year of the Bachelor’s degree program in Electronics. The program was proposed by Visteon’s experts. The focus of the program was the development of a specific car cluster project in a team. The University’s desire was to enable students to apply learning in this modern field, while being able to interact closely with other team members, including the industry experts. The program of the course is presented in detail. The results of the program are shown and discussed.","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":"125922701","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 paper studies and describes encrypted communication between IoT cloud and IoT embedded systems. It uses encrypted MQTTS protocol with SSL/TLS certificate. A JSON type data format is used between the cloud structure and the IoT device. The embedded system used in this experiment is Esp32 Wrover. The IoT embedded system measures temperature and humidity from a sensor DHT22. The architecture and software implementation of the experimental stage are also presented.
{"title":"Research of Secure Communication of Esp32 IoT Embedded System to.NET Core Cloud Structure using MQTTS SSL/TLS","authors":"Neven Nikolov, O. Nakov","doi":"10.1109/ET.2019.8878636","DOIUrl":"https://doi.org/10.1109/ET.2019.8878636","url":null,"abstract":"This paper studies and describes encrypted communication between IoT cloud and IoT embedded systems. It uses encrypted MQTTS protocol with SSL/TLS certificate. A JSON type data format is used between the cloud structure and the IoT device. The embedded system used in this experiment is Esp32 Wrover. The IoT embedded system measures temperature and humidity from a sensor DHT22. The architecture and software implementation of the experimental stage are also 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":"114963979","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 paper describes the operation principle, design requirements, and static performance analysis of the anemometric device based on strain gauge sensors. It also includes examination of the effect that environmental variables (air density, humidity, and atmospheric pressure) have over the measurement results.
{"title":"Design Requirements and Static Performance Analysis of a Strain Gauge Anemometer","authors":"D. Iliev, E. Dimitrov, M. Mitev","doi":"10.1109/ET.2019.8878656","DOIUrl":"https://doi.org/10.1109/ET.2019.8878656","url":null,"abstract":"This paper describes the operation principle, design requirements, and static performance analysis of the anemometric device based on strain gauge sensors. It also includes examination of the effect that environmental variables (air density, humidity, and atmospheric pressure) have over the measurement results.","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":"133485621","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：