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Position Detection for Electric Vehicle Dwcs Using Vi-Slam Method 基于Vi-Slam方法的电动汽车Dwcs位置检测
The electronic journal of human sexuality Pub Date : 2021-11-01 DOI: 10.2139/ssrn.3889955
Jun Cheng, Liyan Zhang, Qihong Chen, Rong Long
{"title":"Position Detection for Electric Vehicle Dwcs Using Vi-Slam Method","authors":"Jun Cheng, Liyan Zhang, Qihong Chen, Rong Long","doi":"10.2139/ssrn.3889955","DOIUrl":"https://doi.org/10.2139/ssrn.3889955","url":null,"abstract":"The dynamic wireless charging system (DWCS) is developed to solve the problems of large battery volume and mileage anxiety of electric vehicles. However, the accurate position detection for electric vehicle DWCS is facing challenge. The traditional communication, detection and estimation methods are difficult to accurately obtain the position. To tackle this problem, the visual inertial simultaneous localization and mapping (VI-SLAM) method is applied to the electric vehicles DWCS. Firstly, the graph optimization based tight coupling method is used to integrate the monocular visual and IMU measurements. Secondly, the NVIDIA TX2 and MYNT VI-sensor suite are assembled, which the MTi300-IMU is treated as the ground truth system. Finally, the mobile vehicle is controlled to race on the simulated DWCS pathway. The experimental result shows that the method achieves great performance with the accuracy of centimeter level. In particular, the root mean square error (RMSE) in X, Y, Z directions are 0.086,0.092,0.102, respectively.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"429 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75052370","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
Development of Sedimentation Resistant Water-Acrylic Titanium Dioxide Dispersions 抗沉降水-丙烯酸钛分散体的研制
The electronic journal of human sexuality Pub Date : 2021-08-31 DOI: 10.15587/1729-4061.2021.239208
A. Dyuryagina, A. Lutsenko
{"title":"Development of Sedimentation Resistant Water-Acrylic Titanium Dioxide Dispersions","authors":"A. Dyuryagina, A. Lutsenko","doi":"10.15587/1729-4061.2021.239208","DOIUrl":"https://doi.org/10.15587/1729-4061.2021.239208","url":null,"abstract":"According to the results of the research, the effect of stabilization of dispersions of titanium dioxide in water-acrylic compositions was established. It was proved that in aqueous-acrylic suspensions at all variations of film-forming agent (from 0 to 5 g/dm3), the maximum of stabilizing activity of the surfactants under study is achieved at CSAS=0.25 g/dm3. The minimum deposition rate of titanium dioxide dispersions at a dosing of 0.25 g/dm3 of sodium polyacrylate was at the level of 0.097 10-3 g/s at any content of film-forming agent (Cff=0.5÷5 g/dm3) in suspensions. At the introduction of the same concentration (CSAS=0.25 g/dm3) of the polyether siloxane copolymer, a decrease in sedimentation rate to 0.053 10-3 g/s in suspensions with a limited acryl content (C≤1 g/dm3) was recorded. At an increase in the concentration of a film-forming agent (C>1 g/dm3) in suspensions, sedimentation stability decreased, which is proved by an increase in the sedimentation rate of TiO2 to 0.110∙10-3 g/s at Cff=5.0 g/dm3. It was found that in aqueous-acrylic suspensions with the film-forming content from 0.5 to 1 g/dm3, the minimum average diameter was 2.64÷3.1 μm CSAS=0.25 g/dm3. Further concentration of acryl (Cff=4÷5 g/dm3) at the same dosage of polyether siloxane copolymer was accompanied by an increase in the average particle size up to 4.30÷4.61 μm. The maximum of wedging activity of sodium polyacrylate (CSAS=0.25 g/dm3) corresponds to the same minimum of the average diameter (2–3 μm).","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"190 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79554824","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
Improvements in modern weapons systems: the use of dielectric materials for the development of advanced models of electric weapons powered by brushless homopolar generator 现代武器系统的改进:使用介电材料开发由无刷同极发电机供电的先进电动武器模型
The electronic journal of human sexuality Pub Date : 2021-07-28 DOI: 10.2139/ssrn.3894975
Daniela Georgiana Golea, L. Cozma
{"title":"Improvements in modern weapons systems: the use of dielectric materials for the development of advanced models of electric weapons powered by brushless homopolar generator","authors":"Daniela Georgiana Golea, L. Cozma","doi":"10.2139/ssrn.3894975","DOIUrl":"https://doi.org/10.2139/ssrn.3894975","url":null,"abstract":"Although the idea of making electric weapons has emerged since the beginning of the 20th Century, the great number of technological problems made that such technology was not developed. During the Cold War, the US strategic programme Space Defensive Initiative paid a special attention to this category of weapons, but the experiments have demonstrated that the prototypes are too big, very heavy, and involve a very high energy consumption and low reliability. Under these circumstances, the authors have noticed the trend to design new types of electric weapons starting from the hybridization of some technologies: the compressed flux weapons, the plasma electromagnetic cannon, the electromagnetic weapons as the coil-gun and rail-gun.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"61 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89018993","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
Development and Evaluation of a Mixed Reality Assistance System in the Context of Manual Assembly 人工装配环境下混合现实辅助系统的开发与评价
The electronic journal of human sexuality Pub Date : 2021-07-01 DOI: 10.2139/ssrn.3858456
Matthias Eder, M. Spitzer, Matthias Hebenstreit, C. Ramsauer
{"title":"Development and Evaluation of a Mixed Reality Assistance System in the Context of Manual Assembly","authors":"Matthias Eder, M. Spitzer, Matthias Hebenstreit, C. Ramsauer","doi":"10.2139/ssrn.3858456","DOIUrl":"https://doi.org/10.2139/ssrn.3858456","url":null,"abstract":"Manufacturing environments face the challenge of ever-increasing complexity in their products due to the continuously increasing degree of individuality. Together with the demand for meeting high quality standards, this leads to the requirement to assist workers during a manufacturing process. Cognitive assistance systems which provide work-related information during their work tasks have been proven to be a successful aid for these challenges. Whenever a new emerging technology is applied for worker assistance, the technology should be tested to evaluate its positive or negative impact in a specified assembly process. This work aims to test the impact of an emerging technology, the Microsoft HoloLens 2 Head Mounted Display (HMD), in a manufacturing environment. Therefore, a prototypical Mixed Reality (MR) application is introduced which provides assembly-related information to support the worker during the work process and to ensure a zero failure culture. To evaluate the impact of the presented application a comparative study is conducted, comparing existing text-based instructions on touchscreens to the newly-integrated interactive 3D assembly instructions. Although an efficiency can not be shown in the presented study, a significant increase in quality of the assembled product was gained, leading the way into a zero failure culture.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89755981","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
Ultra-High Bandwidth Radio Frequency and Microwave Photonic Signal Processing Based on Kerr Micro-Combs 基于克尔微梳的超高带宽射频和微波光子信号处理
The electronic journal of human sexuality Pub Date : 2021-06-20 DOI: 10.2139/ssrn.3870573
D. Moss
{"title":"Ultra-High Bandwidth Radio Frequency and Microwave Photonic Signal Processing Based on Kerr Micro-Combs","authors":"D. Moss","doi":"10.2139/ssrn.3870573","DOIUrl":"https://doi.org/10.2139/ssrn.3870573","url":null,"abstract":"Integrated Kerr micro-combs, a powerful source of many wavelengths for photonic RF and microwave signal processing, are particularly useful for transversal filter systems. They have many advantages including a compact footprint, high versatility, large numbers of wavelengths, and wide bandwidths. We review recent progress on photonic RF and microwave high bandwidth temporal signal processing based on Kerr micro-combs with spacings from 49-200GHz. We cover integral and fractional Hilbert transforms, differentiators as well as integrators. The potential of optical micro-combs for RF photonic applications in functionality and ability to realize integrated solutions is also discussed.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"56 3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90005586","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
Non-Invasive Health Band for Measurement of Health Parameters 用于测量健康参数的无创健康带
The electronic journal of human sexuality Pub Date : 2021-05-07 DOI: 10.2139/ssrn.3869018
Nikhil Shinde, Bhagavat Shinde, Akash Shinde, Avinash Patel, Prashant Upadhyay
{"title":"Non-Invasive Health Band for Measurement of Health Parameters","authors":"Nikhil Shinde, Bhagavat Shinde, Akash Shinde, Avinash Patel, Prashant Upadhyay","doi":"10.2139/ssrn.3869018","DOIUrl":"https://doi.org/10.2139/ssrn.3869018","url":null,"abstract":"Healthcare technology is rapidly evolving due to changing technology and gaining traction due to its ease of use. Wearable technology revolutionizes the healthcare system. It offers users the capability to quickly analyze a patient’s or their health condition. These devices are taking various shapes like rings, wristbands and some are also embedded in clothes. Development in wearable technology offers control and access to various health parameters. This paper approaches the problem of devices having limited to only one or two parameters. Some devices have access to the most important parameters but are very expensive. A review of various papers is presented with suggestions on improvements.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"357 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76509358","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
Integrating RFIDs and Machine Learning: Application of Machine Learning In Smart Traffic 集成rfid和机器学习:机器学习在智能交通中的应用
The electronic journal of human sexuality Pub Date : 2021-04-15 DOI: 10.2139/ssrn.3835902
Simarjot Monga
{"title":"Integrating RFIDs and Machine Learning: Application of Machine Learning In Smart Traffic","authors":"Simarjot Monga","doi":"10.2139/ssrn.3835902","DOIUrl":"https://doi.org/10.2139/ssrn.3835902","url":null,"abstract":"Data industry has grown exceedingly, now finding its applications in the fields no one would have imagined a few decades ago. Data science, Machine learning and Artificial intelligence have major impacts in the national economy through a million ways. Today, we will explore one of their untapped uses: Traffic! This research document will provide methods and information regarding the possible integration of Radio-Frequency Identification (RFID) and Machine Learning (ML).<br>","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"75 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83781397","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
Digital Monitoring of Co2 Storage Projects (Digimon) 二氧化碳封存项目的数字化监测(Digimon)
The electronic journal of human sexuality Pub Date : 2021-04-09 DOI: 10.2139/ssrn.3823153
K. Midttømme, M. Lien, H. Puts, A. Stork
{"title":"Digital Monitoring of Co2 Storage Projects (Digimon)","authors":"K. Midttømme, M. Lien, H. Puts, A. Stork","doi":"10.2139/ssrn.3823153","DOIUrl":"https://doi.org/10.2139/ssrn.3823153","url":null,"abstract":"With an overall objective to “accelerate the implementation of CCS by developing and demonstrating an affordable, flexible, societally embedded and smart Digital Monitoring early-warning system”, the DigiMon project aims to combine different technologies for monitoring CO2 storage into a uniform system. The project includes qualification of critical system components, integration of the components and embedding the system in a societal context.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"290 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79630553","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
Direct Imaging of Bubble Ripening in Two-dimensional Porous Media Micromodels 二维多孔介质微模型中气泡成熟的直接成像
The electronic journal of human sexuality Pub Date : 2021-04-06 DOI: 10.2139/ssrn.3820624
N. Joewondo, V. Garbin, R. Pini
{"title":"Direct Imaging of Bubble Ripening in Two-dimensional Porous Media Micromodels","authors":"N. Joewondo, V. Garbin, R. Pini","doi":"10.2139/ssrn.3820624","DOIUrl":"https://doi.org/10.2139/ssrn.3820624","url":null,"abstract":"Carbon geo-sequestration technology is expected to play a significant role to reduce anthropogenic emission and achieve negative emission in the long term. The subsurface storage potential of CO2 is largely dominated by capillary action that generates a so-called residual phase in the pores of the rock in the form of disconnected bubbles. Understanding the temporal and spatial evolution of this residual phase is key to ensure the long-term storage security of CO2. To understand the factors affecting the stability of residually trapped CO2, we make direct observations of the interactions of a population of air bubbles surrounded by undersaturated water in a regular 2D porous medium micromodel at isothermal conditions. Mass transfer between neighbouring bubbles is shown to start at ~10 times bulk diffusive time scale and to correlate with the capillary pressure gradient between bubbles.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86114546","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
Optical Damage Threshold and THz Generation Efficiency of (Fe,CoFeB)/(Ta,Pt) Spintronic Emitters (Fe,CoFeB)/(Ta,Pt)自旋电子发射体的光学损伤阈值和太赫兹产生效率
The electronic journal of human sexuality Pub Date : 2021-04-05 DOI: 10.2139/ssrn.3872949
Sandeep Kumar, A. Nivedan, Arvind Singh, Y. Kumar, Purnima Malhotra, M. Tondusson, E. Freysz, Sunil Kumar
{"title":"Optical Damage Threshold and THz Generation Efficiency of (Fe,CoFeB)/(Ta,Pt) Spintronic Emitters","authors":"Sandeep Kumar, A. Nivedan, Arvind Singh, Y. Kumar, Purnima Malhotra, M. Tondusson, E. Freysz, Sunil Kumar","doi":"10.2139/ssrn.3872949","DOIUrl":"https://doi.org/10.2139/ssrn.3872949","url":null,"abstract":"THz pulses are generated from femtosecond pulse-excited ferromagnetic/nonmagnetic spintronic heterostructures via inverse spin Hall effect. The highest possible THz signal strength from spintronic THz emitters is limited by the optical damage threshold of the corresponding heterostructures at the excitation wavelength. For the thickness-optimized spintronic heterostructure, the THz generation efficiency does not saturate with the excitation fluence even up till the damage threshold. Bilayer (Fe, CoFeB)/(Pt, Ta) based FM/NM spintronic heterostructures have been studied for an optimized performance for THz generation when pumped by sub-50 fs amplified laser pulses at 800 nm. Among them, CoFeB/Pt is the best combination for an efficient THz source. The optimized FM/NM spintronic heterostructure on a quartz substrate, having α-phase Ta as the nonmagnetic layer, shows the highest damage threshold as compared to those with Pt, irrespective of their generation efficiency. The damage threshold of the Fe/Ta heterostructure on a quartz substrate is ~85 GW/cm2.","PeriodicalId":89488,"journal":{"name":"The electronic journal of human sexuality","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88268292","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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