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2023 IEEE International Conference on Electro Information Technology (eIT)最新文献

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Divide-and-Conquer Algorithms for Computing Three-Dimensional Voronoi Diagrams 计算三维Voronoi图的分治算法
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187378
Daniel Dietsche, T. E. Dettling, C. Trefftz, Byron DeVries
While Voronoi diagrams are used in a wide range of applications, leading algorithms (e.g., Fortune's algorithm) are limited to two-dimensional Voronoi diagrams. Problematically, many of the space-dividing applications of Voronoi diagrams exist in three-dimensional spaces rather than two-dimensional spaces. While two-dimensional Voronoi diagrams have been used in cases where three-dimensional space can be simplified to two-dimensional space with an acceptable loss of precision, such simplification is not always feasible. In this paper we extend existing work on divide-and-conquer algorithms for computing two-dimensional discretized Voronoi diagrams by introducing and comparing two novel algorithms for calculating three-dimensional discretized Voronoi diagrams. A comparison of the two algorithms is presented for a range of both space sizes and number of sites.
虽然Voronoi图的应用范围很广,但领先的算法(例如《财富》的算法)仅限于二维Voronoi图。问题是,Voronoi图的许多空间划分应用存在于三维空间而不是二维空间。虽然二维Voronoi图在三维空间可以简化为二维空间的情况下使用,但精度损失是可以接受的,这种简化并不总是可行的。本文通过介绍和比较两种计算三维离散Voronoi图的新算法,扩展了计算二维离散Voronoi图的分治算法的现有工作。在空间大小和站点数量的范围内,对这两种算法进行了比较。
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引用次数: 0
A Heuristic for Multiple Heterogeneous Mobile Robots Task Assignment under Various Loading Conditions considering Workload Balance 考虑工作负载平衡的多异构移动机器人任务分配启发式算法
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187290
Zongguang Liu, Myoungkuk Park, J. Bae
This paper proposes a heuristic that optimizes the task completion time for heterogeneous multi-robot systems operating in various real-world applications such as transportation, surveillance, and monitoring. Focusing on transportation missions in manufacturing or warehouse environments, the heuristic aims to find a tour for each robot that departs from distinctive depots completes all assigned tasks, and returns to the depot while minimizing the last task completion time. Building on previous work, the newly developed algorithm can solve more generalized problems, which involve required minimum payload restrictions on each task. The heterogeneous multi-robot systems consist of robots with different average running speeds and maximum payloads. The proposed heuristic considers workload balancing between the robots to provide a feasible solution satisfying all constraints. To validate the approach, the algorithm is tested repeatedly in simulation, varying problem sizes. The results show that the heuristic produces good-quality solutions within a reasonable computation time, demonstrating the potential for real-time implementation. Performance metrics used for evaluation include the objective function value and computation time.
本文提出了一种启发式算法,用于优化在各种实际应用中运行的异构多机器人系统的任务完成时间,例如运输,监视和监控。该启发式算法关注制造业或仓库环境中的运输任务,旨在为每个机器人找到一条路线,使其从不同的仓库出发,完成所有分配的任务,然后返回仓库,同时最小化最后一次任务完成时间。在先前工作的基础上,新开发的算法可以解决更广义的问题,这些问题涉及每个任务所需的最小有效载荷限制。异构多机器人系统由具有不同平均运行速度和最大有效载荷的机器人组成。提出的启发式算法考虑机器人之间的工作负载平衡,以提供满足所有约束的可行解。为了验证该方法,在不同问题大小的模拟中反复测试了该算法。结果表明,启发式算法在合理的计算时间内产生了高质量的解,显示了实时实现的潜力。用于评价的性能指标包括目标函数值和计算时间。
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引用次数: 0
Cybersecurity Risk in Digitalization of Infrastructure Systems: A Use Case 基础设施系统数字化中的网络安全风险:一个用例
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187348
D. Möller, H. Vakilzadian
The increasing number and effectiveness of cyber-attacks and data breaches adversely affect infrastructure systems by exploiting their vulnerabilities. Cyber-attacks on critical infrastructure sometimes undermine safe operations or cause complete shutdowns. Therefore, identifying and evaluating the actual status of infrastructure system processes for critical assets in advance requires analyzing the actual cybersecurity status to protect them from potential cyber-attacks and data breaches. So far, the information deficit about cybersecurity awareness in the infrastructure systems sector exists. International studies are more broadly designed, but not directly focused on gaining detailed knowledge about cybersecurity defense's status quo in the infrastructure system sector. Therefore, strategic steps are required to secure the infrastructure systems against cyber-attacks and vulnerabilities. This includes developing and implementing procedures to improve cyber-attack detection and eliminate system vulnerabilities. In this regard, a maturity level model as a specific analysis method of the actual cybersecurity status of the infrastructure system is introduced to gain knowledge about how to achieve the desired to-be-cybersecurity status against the actual status, as a best practice example is provided for a rail system. This paper describes the cybersecurity risk of digitization in the railway sector as a use case.
网络攻击和数据泄露的数量和有效性不断增加,通过利用其漏洞对基础设施系统产生不利影响。对关键基础设施的网络攻击有时会破坏安全运行或导致完全关闭。因此,提前识别和评估关键资产的基础设施系统流程的实际状态需要分析实际的网络安全状态,以保护它们免受潜在的网络攻击和数据泄露。到目前为止,基础设施系统领域的网络安全意识存在信息缺口。国际研究的设计范围更广,但并不直接侧重于获取有关基础设施系统领域网络安全防御现状的详细知识。因此,需要采取战略步骤来保护基础设施系统免受网络攻击和漏洞的侵害。这包括开发和实施改进网络攻击检测和消除系统漏洞的程序。在这方面,引入成熟度级别模型作为基础设施系统实际网络安全状态的具体分析方法,以获得如何根据实际状态实现期望的网络安全状态的知识,并提供了铁路系统的最佳实践示例。本文以一个用例描述了数字化在铁路部门的网络安全风险。
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引用次数: 0
Optimal Allocation of EV Charging Stations to Support Vast Internal Combustion Engine Vehicle Replacement 支持大规模内燃机汽车更换的电动汽车充电站优化配置
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187340
Md Shahin Alam, Il-Seop Shin, S. A. Arefifar
Global warming has become a serious issue throughout the entire world. It is mainly caused by environmental pollution from burning fossil fuels. According to the California Air Resources Board, transportation is the state's single largest source of global warming emissions and air pollution. The policymakers proposed a plan that 100% of new cars and light trucks sold in California would be zero-emission vehicles, such as electric vehicles (EVs), by 2035. In this scenario, finding optimal locations of EV charging stations (EVCSs) is highly manifested to support transition to EVs from internal combustion engine vehicles. EV integration into the existing power distribution system will help reduce not only environmental emissions but also operational costs for the utility companies, which leads to financial incentives for the EV owners and general public. This research presents ideas of identifying the optimal locations, finding appropriate charging capacities based on the types of vehicles, and improving operational performance of distribution systems. In addition, EVCSs can work in a hybrid manner where electricity is provided by utilities, solar energy, and energy storage units. By adopting the concept of microgrids, EV owners charge their vehicles during off-peak hours and unload the energy back to the grid during peak hours at higher prices. Utility companies utilize the energy to further reduce their dependency on fossil fuels to provide electricity. The PG&E 69-bus distribution system is used to find the optimal location of charging stations. The operational costs and emissions are evaluated to improve the operational performance.
全球变暖已经成为全世界的一个严重问题。它主要是由燃烧化石燃料造成的环境污染造成的。据加州空气资源委员会称,交通运输是该州全球变暖排放和空气污染的最大单一来源。政策制定者提出了一项计划,到2035年,在加州销售的新车和轻型卡车将100%是零排放汽车,比如电动汽车(ev)。在这种情况下,寻找电动汽车充电站(evcs)的最佳位置对于支持从内燃机汽车向电动汽车的过渡具有重要意义。将电动汽车整合到现有的配电系统中,不仅有助于减少环境排放,还有助于降低公用事业公司的运营成本,从而为电动汽车车主和公众带来经济激励。本研究提出了确定最佳位置、根据车辆类型找到合适的充电容量以及改善配电系统运行性能的想法。此外,evcs可以以混合方式工作,其中电力由公用事业、太阳能和储能单元提供。通过采用微电网的概念,电动汽车车主可以在非高峰时段充电,并在高峰时段以更高的价格将能量卸载回电网。公用事业公司利用这种能源进一步减少对化石燃料的依赖来提供电力。利用PG&E 69总线分配系统寻找充电站的最优位置。对运行成本和排放进行评估,以提高运行性能。
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引用次数: 0
Characterization of Inkjet-Printed Stacked MIM Thin-film Solid-State Flexible Super-Capacitor 喷墨印刷叠层MIM薄膜固态柔性超级电容器的特性研究
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187294
B. Morshed, Moriom R. Momota, Tomoko Fujiwara
Electrical energy storage need has evolved to lightweight and portable devices such as electric vehicle, drones, robotics, wearables, etc. Current technology of batteries such as Li-Ion or Li-Poly are not able to meet the requirement for future. We have been developing a new type of supercapacitor for this technological barrier. Our supercapacitors are fabricated with inkjet-printing (IJP) technique that uses very precise MEMS based cartridge to print thin-films on planar substrates. We have previously demonstrated metal-insulator-metal (MIM) capacitor fabrication and simulation, as well as stacked MIM supercapacitor fabrication. In this paper, we present electrical characterization (such as charging-discharging cycles) and scanning electron microscopy image for IJP stacked MIM supercapacitor. The electrical characterization validates the charge storage capability of the supercapacitor. We have tested the samples for up to 20 V charging voltage. The corresponding stored charge can be as high as 40 nC, and the charge density is 17.4 $mathbf{C}/mathbf{m}^{3}$. These solid-state IJP stacked MIM supercapacitors are flexible with high energy-density and safe for prolonged use which can be applicable in electric vehicles, wearables, implantable, drones, and other energy storage applications.
电能存储需求已经发展到轻型便携式设备,如电动汽车、无人机、机器人、可穿戴设备等。目前的锂离子电池或锂聚电池等技术已不能满足未来的需求。我们一直在开发一种新型超级电容器来克服这一技术障碍。我们的超级电容器采用喷墨打印(IJP)技术制造,该技术使用非常精确的基于MEMS的墨盒在平面基板上打印薄膜。我们之前已经演示了金属-绝缘体-金属(MIM)电容器的制造和模拟,以及堆叠MIM超级电容器的制造。本文给出了IJP堆叠型MIM超级电容器的电学表征(如充放电周期)和扫描电镜图像。电学特性验证了超级电容器的电荷存储能力。我们对样品进行了高达20v充电电压的测试。相应的存储电荷可高达40nc,电荷密度为17.4 $mathbf{C}/mathbf{m}^{3}$。这些固态IJP堆叠MIM超级电容器具有高能量密度和长时间使用的灵活性,可适用于电动汽车,可穿戴设备,植入式,无人机和其他储能应用。
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引用次数: 0
Room Categorization utilizing Convolutional Neural Network on 2D map obtained by LiDAR 利用卷积神经网络对激光雷达获得的二维地图进行房间分类
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187383
Iman Yazdansepas, N. Houshangi
The robotics sector is experiencing unprecedented growth, driven by the increasing demand for household and assistive robots. These robots need to navigate autonomously between various rooms in a home. To achieve this, they must construct a map of their surroundings and accurately locate themselves within it. Identifying different rooms can enhance the robot's performance. In this study, Gmapping, a Simultaneous Localization and Mapping (SLAM) technique employing a LiDAR sensor, is utilized to generate an environmental map. This map serves as the training data for a Convolutional Neural Network (CNN) designed for room classification. Both simulation and real-world testing demonstrate the effectiveness of CNN in room classification tasks.
在家用和辅助机器人需求不断增长的推动下,机器人行业正在经历前所未有的增长。这些机器人需要在家里的各个房间之间自主导航。为了实现这一目标,他们必须构建周围环境的地图,并在其中准确定位自己。识别不同的房间可以提高机器人的性能。在本研究中,Gmapping是一种采用激光雷达传感器的同时定位和制图(SLAM)技术,用于生成环境地图。这张地图作为用于房间分类的卷积神经网络(CNN)的训练数据。仿真和实际测试都证明了CNN在房间分类任务中的有效性。
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引用次数: 0
Design of an Integrated Weighted One Step Ahead and Fuzzy Yaw Controller for an Electric AWD Powertrain 电动AWD动力总成加权一步超前模糊偏航综合控制器设计
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187285
A. Ross, M. Das
Coordinated control of various actuators to maintain stability during emergency maneuvers is a major topic of automotive research. This paper discusses a particular approach for controlling and coordinating two electric motors in an electric all wheel drive powertrain (eAWD) during a double lane change maneuver. A two-tiered control scheme is implemented. The upper tier consists of the vehicle level controller which provides target tire forces to the motor controllers, which make up the lower tier. The controllers at the vehicle and motor levels employ a predictive one step ahead concept. The vehicle level controller integrates fuzzy rules to calculate target tire forces for the lower tier controller. This control scheme is implemented and simulated using Simulink and CarSim.
在紧急机动中如何协调控制各执行机构以保持稳定是汽车研究的一个重要课题。本文讨论了电动全轮驱动动力系统(eAWD)在双变道机动过程中两个电动机的控制与协调问题。实现了两层控制方案。上层由车辆水平控制器组成,它向电动机控制器提供目标轮胎力,电动机控制器构成下层。车辆和电机层面的控制器采用提前一步的预测概念。车辆水平控制器集成模糊规则计算目标轮胎力,供下层控制器使用。利用Simulink和CarSim对该控制方案进行了实现和仿真。
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引用次数: 0
Deep Learning Patch-Based Approach for Hyperspectral Image Classification 基于深度学习补丁的高光谱图像分类方法
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187387
Papia F. Rozario, E. Ruehmann, T. Pham, Tianqi Sun, Jacob Jensen, Hengrui Jia, Zhongyue Yu, Rahul Gomes
Classification of hyperspectral images is an important step of image interpretation from high spatial resolution imagery. Different studies demonstrate that spatial features can provide complementary information for increasing the accuracy of hyperspectral image classification. In this study, we evaluate different methods of spectral-spatial classification of hyperspectral images that are based on denoising methods using convolutional autoencoders. The resulting high-dimensional vectors of spectral features are classified by supervised algorithms such as support vector machine (SVM), maximum likelihood (ML), and random forest (RF). The experiments are performed on several widely known hyperspectral images that reveal a patch-based 3D convolutional autoencoder is more effective in reducing noise in the dataset and retaining spectral-spatial information. Random Forest classifier provides the highest classification accuracy across all the models.
高光谱图像的分类是高空间分辨率图像解译的重要步骤。不同的研究表明,空间特征可以为提高高光谱图像分类精度提供补充信息。在本研究中,我们评估了基于卷积自编码器去噪方法的高光谱图像的不同光谱空间分类方法。得到的光谱特征的高维向量通过支持向量机(SVM)、最大似然(ML)和随机森林(RF)等监督算法进行分类。在几张众所周知的高光谱图像上进行的实验表明,基于补丁的3D卷积自编码器在降低数据集中的噪声和保留光谱空间信息方面更有效。随机森林分类器在所有模型中提供最高的分类精度。
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引用次数: 0
Modeling and Control of Torque Converter Clutch Using a Disturbance Observer based Tracking Controller 基于扰动观测器的变矩器离合器跟踪控制器建模与控制
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187311
Todd A. Perkins, M. Das
To meet the ever-increasing emissions and economy standards of the past 50 years, vehicle manufacturers have turned to sophisticated electronic control of all aspects of the powertrain. One of the areas gaining interest during the past 20 years has been torque converter clutch engagement and expanding the conditions when it operates. Slip mode, when the clutch is partially locked, allows the torque converter to transmit power very efficiently through the clutch while allowing a small amount of power through the fluid coupler. Allowing the clutch to slip dampens the engine vibrations from the rest of the drivetrain by allowing the fluid coupler to absorb and dampen the impulse. This paper presents a new disturbance observer based control scheme for the torque converter clutch during slip mode. Also, the performance of the proposed control scheme is demonstrated using simulation studies.
为了满足过去50年来不断提高的排放和经济标准,汽车制造商已经转向对动力系统的各个方面进行复杂的电子控制。在过去的20年里,液力变矩器离合器接合和扩大其工作条件是人们越来越感兴趣的领域之一。当离合器部分锁定时,滑移模式允许变矩器通过离合器非常有效地传递动力,同时允许少量动力通过液力耦合器。允许离合器滑动,通过允许液力耦合器吸收和抑制脉冲,减少发动机从传动系统的其余部分产生的振动。提出了一种新的基于扰动观测器的变矩器离合器滑模控制方案。此外,通过仿真研究验证了所提控制方案的性能。
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引用次数: 0
Classification Of Cancer Genome Atlas Glioblastoma Multiform (TCGA-GBM) Using Machine Learning Method 基于机器学习方法的肿瘤基因组图谱多形性胶质母细胞瘤(TCGA-GBM)分类
Pub Date : 2023-05-18 DOI: 10.1109/eIT57321.2023.10187283
Rabia Emhamed Al Mamlook, Ahmad Nasayreh, Hasan Gharaibeh, Sujeet Shrestha
Glioblastoma multiforme (GBM) is a highly ma-lignant type of brain cancer with a bleak prognosis. This study aimed to apply machine learning methods to classify GBM samples from the Cancer Genome Atlas (TCGA) dataset. Several supervised learning algorithms, including Support Vector Machine, Ad boost, Neural Network, and Decision Tree, were employed in the analysis. Our findings indicate that the Decision Tree algorithm was the most effective for this classification task, achieving an impressive 99% accuracy. Our study provides evidence that machine learning can accurately classify GBM samples in large-scale genomic datasets, enabling a deeper understanding of the genomic characteristics of this cancer. This study emphasizes the potential of machine learning approaches for improved cancer diagnosis and treatment through the analysis of large-scale genomic datasets.
多形性胶质母细胞瘤(GBM)是一种高度恶性的脑癌,预后黯淡。本研究旨在应用机器学习方法对来自癌症基因组图谱(TCGA)数据集的GBM样本进行分类。在分析中使用了几种监督学习算法,包括支持向量机、Ad boost、神经网络和决策树。我们的研究结果表明,决策树算法对于这个分类任务是最有效的,达到了令人印象深刻的99%的准确率。我们的研究提供了证据,证明机器学习可以在大规模基因组数据集中准确地分类GBM样本,从而能够更深入地了解这种癌症的基因组特征。这项研究强调了通过分析大规模基因组数据集来改善癌症诊断和治疗的机器学习方法的潜力。
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引用次数: 2
期刊
2023 IEEE International Conference on Electro Information Technology (eIT)
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