2020 19th International Conference on Mechatronics - Mechatronika (ME)最新文献_第3页

Multimodal and Multiparametric Spatial Segmentation of Spine 脊柱的多模态多参数空间分割

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286666

J. Mikulka, D. Chalupa, Jan Svoboda, M. Filipovic, M. Repko, M. Maxová

{"title":"Multimodal and Multiparametric Spatial Segmentation of Spine","authors":"J. Mikulka, D. Chalupa, Jan Svoboda, M. Filipovic, M. Repko, M. Maxová","doi":"10.1109/ME49197.2020.9286666","DOIUrl":"https://doi.org/10.1109/ME49197.2020.9286666","url":null,"abstract":"Scoliosis embodies the most frequent three dimensional spinal deformities in children. Only timely treatment during the growth of the spine may significantly reduce related health problems inflicted by the deformity on adults. The results obtained via conservative therapy are problematic, and a certain degree of curvature already requires surgical treatment that currently consists in repeated spinal surgeries posing a high risk of complications. The aim is to use a spine model for computer based simulation of changes in the stress on the spine during idiopathic and syndromic deformity correction via vertebral osteotomy. One of the goals of the work was resampling and registration of the CT and MR image sequences. CT volumes provided solid contrast. Due to the low quality of the MRI volumes image data CT were used as a reference for gaining properly segmented groups of vertebrae. The concern of this work is a development of an extension module for 3D Slicer platform. The core of the module is an implementation of a Support Vector Machines classifier, which is used for segmentation of the vertebra image data provided by the University Hospital Brno. The resampling and registration techniques has been optimized to process the MR and CT data of all imaging sequences. CT volumes provide solid contrast and were used as a reference for gaining properly segmented groups of vertebrae. The extension module scripted in Python language is freely accessible as a 3D Slicer tool and can be used in the future to process new datasets.","PeriodicalId":166043,"journal":{"name":"2020 19th International Conference on Mechatronics - Mechatronika (ME)","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127343665","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

A Novel Filter-based Power Divider for Wireless Communication in Intelligent Transportation Systems 一种基于滤波器的智能交通系统无线通信功率分配器

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286603

M. Jamshidi, S. Roshani, J. Talla, Z. Peroutka, S. Roshani

{"title":"A Novel Filter-based Power Divider for Wireless Communication in Intelligent Transportation Systems","authors":"M. Jamshidi, S. Roshani, J. Talla, Z. Peroutka, S. Roshani","doi":"10.1109/ME49197.2020.9286603","DOIUrl":"https://doi.org/10.1109/ME49197.2020.9286603","url":null,"abstract":"An Intelligent Transportation System (ITS) is a modern technology aiming to improve traffic management and modes of transport. The Long-Term Evolution (LTE) standard is a suitable protocol for wireless communication systems in new ITS applications due to its high speed capacity. In this paper, a novel H-shaped filtering Wilkinson Power Divider (WPD) is proposed using H-shaped resonators at LTE standard and frequency of 1.8 GHz. Firstly, a compact LPF with simple structure is designed at 2.2 GHz cut-off frequency. The proposed LPF has a wide stop band from 2.85 GHz up to 8.16 GHz with more than 20 dB attenuation level, while the stop band can be considered from 2.5 GHz up to 20 GHz with more than 10 dB attenuation level. The results show that the measured insertion loss is less than 0.5 dB, the input and output return losses are more than 16 dB and 22 dB, while the ports isolation is higher than 17 dB at the main frequency. The proposed divider can correctly work at a 480 MHz bandwidth, which is corresponding to more than 25% fractional bandwidth. Furthermore, the harmonic suppression up to the eleventh harmonic is achieved for the proposed divider. The obtained measured results proved the efficiency of the proposed component.","PeriodicalId":166043,"journal":{"name":"2020 19th International Conference on Mechatronics - Mechatronika (ME)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126502779","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

Vibration Shapes Identification Applying Eulerian Video Magnification on Coffee Fruits to Study the Selective Harvesting 欧拉视频放大在咖啡果实振动形态识别中的应用研究

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286641

C. I. Cardona, H. A. Tinoco, Daniel A. Pereira, Jaime Buitrago-Osorio, Luis Perdomo-Hurtado, M. Hurtado-Hernández, J. Lopez-Guzman

{"title":"Vibration Shapes Identification Applying Eulerian Video Magnification on Coffee Fruits to Study the Selective Harvesting","authors":"C. I. Cardona, H. A. Tinoco, Daniel A. Pereira, Jaime Buitrago-Osorio, Luis Perdomo-Hurtado, M. Hurtado-Hernández, J. Lopez-Guzman","doi":"10.1109/ME49197.2020.9286641","DOIUrl":"https://doi.org/10.1109/ME49197.2020.9286641","url":null,"abstract":"In the last few years, Colombian coffee production has decreased by different economic factors related to the increment of costs in manual selective harvest operations. Consequently, an interest has arisen for studying selective harvesting methods based on mechanical vibrations in seeking for an alternative technology. In this sense, it is mainly essential to understand the dynamic behavior of the coffee fruits at different ripening stages. In this study, an experiment was proposed to observe the vibration shapes of coffee fruits (Coffea arabica var. Castillo) in defined frequency intervals. The ripening stages were categorized by a strategy based on color measurements in the CIELab space. Four ripening stages were determined from color data taken of 84 fruits, which allowed the development of the dynamic experiments over classified fruits. The dynamic excitation was applied to the coffee fruits between 0–1000 Hz in which ripe fruits evidenced higher vibration amplitudes in specific frequency intervals. These motions cannot be visualized from a normal video-camera (60 Fps). Therefore, a high-speed camera (Chronos 1.4) was used to record these during harmonic excitation. Eulerian video magnification technique was applied to the video-based measurements to visualize the amplified vibration shapes. The magnified motions were contrasted with vibrometry measurements and a piezo sensor attached to the fruit pedicel. Results show that the ripe fruit can vibrate with higher amplitudes in comparison with the other ripening stages, this information could be used to harvest selectively only ripe fruits.","PeriodicalId":166043,"journal":{"name":"2020 19th International Conference on Mechatronics - Mechatronika (ME)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114080489","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

Tuning of the Thermal Model of Synchronous Machine with PM by Real Measurement 永磁同步电机热模型的实测整定

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286449

L. Veg, Martin Skalicky, R. Pechánek

引用次数: 1

ME 2020 Index ME 2020指数

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/me49197.2020.9286704

引用次数: 0

Influence of Production Tolerances and Production Technologies on the Temperature Model of a High-Speed Synchronous Machine with Permanent Magnets 生产公差和生产工艺对高速永磁同步电机温度模型的影响

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286604

L. Veg, R. Pechánek

引用次数: 0

Experimental evaluation of three-phase voltage synchronization algorithms 三相电压同步算法的实验评价

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286650

J. Dragoun, J. Talla, V. Blahnik

引用次数: 1

Piezoelectric PVDF Elements and Systems for Mechanical Engineering Applications 机械工程应用的PVDF压电元件和系统

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286689

Z. Hadaš, O. Rubeš, P. Tofel, Z. Machu, D. Říha, O. Ševeček, J. Kaštyl, D. Sobola, K. Částková

引用次数: 2

Tests of the Ship’s Cage Induction Generator with the DC Electrical Network 船舶笼形感应发电机在直流电网中的试验

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286659

S. German – Galkin, D. Tarnapowicz

引用次数: 1

Liquefied Petroleum Gas (LPG) and Diesel, Dual Fuel Implementation on a Common Rail Diesel Engine 液化石油气(LPG)和柴油，在共轨柴油机上实现双燃料

2020 19th International Conference on Mechatronics - Mechatronika (ME) Pub Date : 2020-12-02 DOI: 10.1109/ME49197.2020.9286450

Samuel Mifsud, J. Azzopardi, M. Farrugia

{"title":"Liquefied Petroleum Gas (LPG) and Diesel, Dual Fuel Implementation on a Common Rail Diesel Engine","authors":"Samuel Mifsud, J. Azzopardi, M. Farrugia","doi":"10.1109/ME49197.2020.9286450","DOIUrl":"https://doi.org/10.1109/ME49197.2020.9286450","url":null,"abstract":"Research on Liquefied Petroleum Gas (LPG) use for automotive application is stemmed from the lower cost of the fuel and also from its lower emission potential. This paper details the experimental implementation of LPG fuel onto a Peugeot four cylinder common rail diesel engine. This diesel engine was already electronically controlled with an in-house Engine Control Unit (ECU) already reported in earlier IEEE papers. The electronic and software implementation performed to achieve Dual Fuel operation is detailed, i.e. LPG addition in gaseous state in the inlet manifold in conjunction with Diesel Injection directly into the cylinder. The Diesel Injection is used as the ignition source and thus is required throughout the engine operation, i.e. from idle to full load. LPG addition was utilized from 20% load upwards. The experimental setup used the Diesel ECU already reported and made use of additional electronic circuitry and LabVIEW to control the low impedance LPG injectors. The additional electronic circuitry and LabVIEW control are therefore the main contribution presented in this paper.","PeriodicalId":166043,"journal":{"name":"2020 19th International Conference on Mechatronics - Mechatronika (ME)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124202478","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