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2020 International Symposium ELMAR最新文献

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Equivalent-circuit-based Stability Analysis of Non-Foster Open Circuit Stable Negative Inductor 基于等效电路的非培育开路稳定负电感稳定性分析
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219036
A. Brizic, K. Lebo, S. Hrabar
{"title":"Equivalent-circuit-based Stability Analysis of Non-Foster Open Circuit Stable Negative Inductor","authors":"A. Brizic, K. Lebo, S. Hrabar","doi":"10.1109/ELMAR49956.2020.9219036","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219036","url":null,"abstract":"This paper reports the derivation and verification of stability criteria for negative (non-Foster) inductor loaded with an arbitrary external network. It is assumed that the negative inductance effect is achieved using an negative impedance converter (NIC) in an open circuit stable (OCS) configuration. Equivalent circuit of such negative inductance has been proposed and associated stability areas, for two different external networks, have been found analytically. Achieved theoretical results have been cross-checked by numerical tests using a commercial circuit-theory simulator.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131798693","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}
引用次数: 1
State Complexity Reduction in Reinforcement Learning based Adaptive Traffic Signal Control 基于强化学习的自适应交通信号控制状态复杂度降低
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219024
Mladen Miletić, K. Kušić, M. Gregurić, E. Ivanjko
{"title":"State Complexity Reduction in Reinforcement Learning based Adaptive Traffic Signal Control","authors":"Mladen Miletić, K. Kušić, M. Gregurić, E. Ivanjko","doi":"10.1109/ELMAR49956.2020.9219024","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219024","url":null,"abstract":"The throughput of a signalized intersection can be increased by appropriate adjustment of the signal program using Adaptive Traffic Signal Control (ATSC). One possible approach is to use Reinforcement Learning (RL). It enables model-free learning of the control law for the reduction of the negative impacts of traffic congestion. RL based ATSC achieves good results but requires many learning iterations to train optimal control policy due to high state-action complexity. In this paper, a novel approach for state complexity reduction in RL by using Self-Organizing Maps (SOM) is presented. With SOM, the convergence rate of RL and system stability in the later stages of learning is increased. The proposed approach is evaluated against the traditional RL approach that uses Q-Learning on a simulated isolated intersection calibrated according to realistic traffic data. Presented simulation results prove the effectiveness of the proposed approach regarding learning stability and traffic measures of effectiveness.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122090456","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}
引用次数: 7
A Comparison of Application Layer Communication Protocols in IoT-enabled Smart Grid 基于物联网的智能电网应用层通信协议比较
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219030
L. Šikić, Jasna Janković, Petar Afrić, M. Šilić, Ž. Ilić, H. Pandžić, M. Živić, M. Dzanko
{"title":"A Comparison of Application Layer Communication Protocols in IoT-enabled Smart Grid","authors":"L. Šikić, Jasna Janković, Petar Afrić, M. Šilić, Ž. Ilić, H. Pandžić, M. Živić, M. Dzanko","doi":"10.1109/ELMAR49956.2020.9219030","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219030","url":null,"abstract":"The modern smart grid consists of the classical power grid augmented with a large-scale ICT and renewable energy integration. An indispensable part of the implementation of such grid is IoT, a system built by integrating internet-connectivity into all kinds of plant, equipment and devices in smart grid. It provides a reliable, real-time communication among applications running on different IoT devices and on cloud or edge infrastructures. To this end, it establishes communication channels by using application protocols for IoT devices. However, to provide effective communication between its devices, it is necessary that an IoT-enabled smart grid uses suitable application protocol regards specific terms, such as minimal traffic load and delivery latency. In order to build an IoT-enabled smart grid which will support the most efficient data flow in the above-mentioned terms, we made an experimental analysis of the communication based on the three most commonly used application protocols: HTTP, MQTT and AMQP. The experiment has been conducted using IoT devices, which are a part of a real Microgrid-IoT laboratory.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116987700","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}
引用次数: 3
SVM based column-level approach for crosswalk detection in low-resolution images 基于列级SVM的低分辨率图像人行横道检测方法
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219032
Krešimir Romić, I. Galić, Hrvoje Leventić, Marija Habijan
{"title":"SVM based column-level approach for crosswalk detection in low-resolution images","authors":"Krešimir Romić, I. Galić, Hrvoje Leventić, Marija Habijan","doi":"10.1109/ELMAR49956.2020.9219032","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219032","url":null,"abstract":"Development of automated assistance systems for the visually impaired is still relatively uncommon research topic. However, the use of the cameras and image processing is widely spread and can be a good source of useful information for the visually impaired user. In this work, we are considering usage of SVM (Support Vector Machine) for detecting the crosswalk region in low-resolution images. The proposed approach uses SVM to make decisions on column level thereby providing the horizontal position of the crosswalk in image. Such information can potentially help the visually impaired person to cross the road safely. Preliminary testing was conducted and satisfying results were obtained especially in terms of performance.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126682237","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}
引用次数: 1
Adaptive Control of Hard Disk Drive Servo System 硬盘驱动器伺服系统的自适应控制
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219044
J. Velagić, Adnan Osmanovic, Dinno Koluh, Adnan Karzić
{"title":"Adaptive Control of Hard Disk Drive Servo System","authors":"J. Velagić, Adnan Osmanovic, Dinno Koluh, Adnan Karzić","doi":"10.1109/ELMAR49956.2020.9219044","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219044","url":null,"abstract":"This paper focuses on the design of an adaptive controller for read/write (R/W) head servo system in a hard disk drive (HDD). In this control system a reference model-based adaptive loop is added to the inner feedback loop with the PID controller. The parameters of the PID controller are computed using PID tuner within Matlab/Simulink. The normalized MIT rule is then used to tune the controller parameters in order to reduce an error between the reference model and actual system. The main objective is to provide accurate and fast positioning of the R/W head and to ensure a fast response of the arm actuator. The performance of the designed system is evaluated through simulations taking into account an influence of changes in the system parameters as well as the effect of external disturbances acting.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"401 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124244504","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}
引用次数: 0
PhotoGrade – Fast and Effective Application for Digital Photo Editing PhotoGrade -快速和有效的应用程序的数字照片编辑
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219012
Hrvoje Ditrih, S. Grgic
{"title":"PhotoGrade – Fast and Effective Application for Digital Photo Editing","authors":"Hrvoje Ditrih, S. Grgic","doi":"10.1109/ELMAR49956.2020.9219012","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219012","url":null,"abstract":"This paper presents a procedure for the development of an application that should be both a comprehensive photo editing tool and easy to use. The choice of programming language and libraries for digital image processing is explained. Principles of graphical user interface (GUI) design are presented. The tools inside the app are organized in such a way to enable user-intuitive means of photo editing and accelerate the workflow of experienced users. The features and capabilities of the application are presented through a detailed example of artistic photo editing alongside attached before and after of user-edited photos.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131779762","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}
引用次数: 1
Variable Speed Limit Control Based on Deep Reinforcement Learning: A Possible Implementation 基于深度强化学习的可变限速控制:一种可能的实现
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219031
M. Gregurić, K. Kušić, Filip Vrbanić, E. Ivanjko
{"title":"Variable Speed Limit Control Based on Deep Reinforcement Learning: A Possible Implementation","authors":"M. Gregurić, K. Kušić, Filip Vrbanić, E. Ivanjko","doi":"10.1109/ELMAR49956.2020.9219031","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219031","url":null,"abstract":"Today’s urban motorways cannot fulfill their purpose to simultaneously serve transit and local urban traffic with a high Level of Service. In the case of urban motorway infrastructure, the traditional “build only” approach is not always possible due to the lack of space. This study is focused on the Variable Speed Limit Control (VSLC) as one of the traffic control methods applicable for any type of motorway and Q-learning as one commonly used approach for designing learning based VSLC algorithms. The drawback of this methodology is the representation and exploration of the large state-action space as it is the case in its application for VSLC. This study introduces a Deep Q-Network to approximate the Q-function and presents a novel learning approach for the VSLC application with possibility to track vehicles on the microscopic level. The proposed reward function steers the learning towards the improvement of reward and prevention of oscillation among consecutive speed limits.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116299178","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}
引用次数: 7
Traffic Flow Forecasting at Micro-Locations in Urban Network using Bluetooth Detector 基于蓝牙检测器的城市网络微位置交通流量预测
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/ELMAR49956.2020.9219023
Dominik Cvetek, M. Mustra, Niko Jelusic, B. Abramović
{"title":"Traffic Flow Forecasting at Micro-Locations in Urban Network using Bluetooth Detector","authors":"Dominik Cvetek, M. Mustra, Niko Jelusic, B. Abramović","doi":"10.1109/ELMAR49956.2020.9219023","DOIUrl":"https://doi.org/10.1109/ELMAR49956.2020.9219023","url":null,"abstract":"Predicting the urban traffic flow is of great importance for urban planners to be used in long-term prediction or in Intelligent Transport Systems (ITS) for short-term predictions. Traffic prediction is a challenging task because of complex spatial-temporal correlation between links in the road network. It is necessary to collect high-quality and rich-full traffic data for traffic state estimation and traffic prediction tasks. For this purpose, we investigate the ability of Bluetooth (BT) detector as a sensor at a micro-location to deliver additional information about the traffic condition. Furthermore, we used collected data to compare a few common time series methods: Random walk, Exponential smoothing, ARIMA, SARIMA, and Unobserved components. Our goal was to evaluate traffic data collected by a BT detector at a micro-location using time series forecasting methods. We showed that ARIMA model gives the best performance in forecasting a traffic demand. This data-driven approach can be helpful to inform drivers about better routing decisions and provides a guide for strategic traffic planning.","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121920011","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}
引用次数: 2
ELMAR 2020 Committees
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/elmar49956.2020.9219009
{"title":"ELMAR 2020 Committees","authors":"","doi":"10.1109/elmar49956.2020.9219009","DOIUrl":"https://doi.org/10.1109/elmar49956.2020.9219009","url":null,"abstract":"","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125442531","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}
引用次数: 0
ELMAR 2020 Cover Page ELMAR 2020封面
2020 International Symposium ELMAR Pub Date : 2020-09-01 DOI: 10.1109/elmar49956.2020.9219046
{"title":"ELMAR 2020 Cover Page","authors":"","doi":"10.1109/elmar49956.2020.9219046","DOIUrl":"https://doi.org/10.1109/elmar49956.2020.9219046","url":null,"abstract":"","PeriodicalId":235289,"journal":{"name":"2020 International Symposium ELMAR","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128343764","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}
引用次数: 0
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