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2021 IEEE 21st International Symposium on Computational Intelligence and Informatics (CINTI)最新文献

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Applying Genetic Programming for the Inverse Lindenmayer Problem 遗传规划在逆Lindenmayer问题中的应用
Tibor Eszes, János Botzheim
The aim of this work is to find an automated solution for the Inverse Lindenmayer problem - that is to find the describing system for a given end-result of an L-system - using both Bacterial Programming and other related algorithms. To achieve this, several well-known L-systems were considered, their building symbols taken as the inputs for each algorithm, and the evolution results were compared with the formal definition of each system. The results indicate that this is indeed a viable area of research, as both Bacterial Programming and other different algorithms could be fitted to reverse engineer all of the considered systems.
这项工作的目的是利用细菌编程和其他相关算法,为逆林登迈尔问题找到一个自动化的解决方案,即为l系统的给定最终结果找到描述系统。为了实现这一点,考虑了几个著名的l-系统,将它们的建筑符号作为每个算法的输入,并将进化结果与每个系统的正式定义进行比较。结果表明,这确实是一个可行的研究领域,因为细菌编程和其他不同的算法都可以用来对所有考虑的系统进行逆向工程。
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引用次数: 1
Manufacturing problems of sandwich composite structures 夹层复合材料结构的制造问题
Ferenc Oláh, Kristóf Andrásfalvy, J. Lukács, R. Horváth
Sandwich composites have attracted a lot of attention in the past decade, and the significance of this new type of structure is indisputable. These materials have exceptional mechanical properties, and they seem to be the key to achieving the latest environmental objectives. The aviation and the automotive sectors have implemented composite structures in their designs because of their lightweight nature and considerable energy absorption property. Many types of sandwich structures can be observed in the industry. Still, one of the most important types is the honeycomb sandwich structure which combines a honeycomb-resembling core made of lightweight material, often aluminium, with fiber-reinforced plastic sheets as facings. In this paper, an overview of sandwich composite structures is presented, highlighting their cutting problems, and a structure under development is introduced. This structure has been designed and manufactured to research the machinability of sandwich structures in milling and scoring operations. Furthermore, the planned process for machining is discussed. In addition, milling tests were carried out with a unique honeycomb milling cutter with a total depth of cut to simulate the practical application of such a material. The milling experiments were designed and analysed according to the Design of Experiment (DOE) method.
夹心复合材料在过去的十年中引起了广泛的关注,这种新型结构的意义是无可争辩的。这些材料具有特殊的机械性能,它们似乎是实现最新环境目标的关键。航空和汽车行业已经在他们的设计中实施了复合材料结构,因为它们的轻量化和可观的能量吸收特性。在工业中可以观察到许多类型的夹层结构。然而,最重要的一种是蜂窝夹层结构,它结合了一个类似蜂窝的核心,由轻质材料制成,通常是铝,与纤维增强塑料板作为饰面。本文综述了夹芯复合材料结构的发展概况,重点介绍了夹芯复合材料的切削问题,并介绍了一种正在开发的夹芯复合材料结构。为了研究夹层结构在铣削和铣削加工中的可加工性,设计和制造了该结构。在此基础上,讨论了计划的加工工艺。此外,采用一种独特的蜂窝铣刀进行了铣削试验,以模拟该材料的实际应用。根据试验设计法(DOE)对铣削试验进行了设计和分析。
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引用次数: 1
The next milestone in clinical trial of a measurement system developed to diagnose NAFLD 用于诊断NAFLD的测量系统临床试验的下一个里程碑
Nina Györfi, A. Vereczkei, Z. Karádi, Károly Kalmár Nagy, Zoltán Vízvári, Zoltan Sári, P. Odry, Adrián Róbert Gál, Attila Tóth
Our publication presents the next important milestone in development of method aimed at the nondestructive diagnosis of Non-alcoholic Fatty Liver Disease (NAFLD). In clinical trials, a specific group of patients (with liver and other carcinomas) were studied. In their case, liver histological examinations are always carried out, which has given us the opportunity to compare bioimpedance spectrum (BIS) data with biopsy results. In our publication, we present the relevant measurement methodology after that we highlight some typical examples that describe the most common pathologies and their associated BIS origins.
我们的出版物提出了非酒精性脂肪性肝病(NAFLD)无损诊断方法发展的下一个重要里程碑。在临床试验中,研究了一组特定的患者(患有肝癌和其他癌症)。在他们的病例中,总是进行肝脏组织学检查,这使我们有机会将生物阻抗谱(BIS)数据与活检结果进行比较。在我们的出版物中,我们介绍了相关的测量方法,然后我们强调了一些描述最常见病理及其相关BIS起源的典型例子。
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引用次数: 1
Digital-Twin-Software Areas of Application, Chances and Challenges 数字孪生-软件应用领域,机遇与挑战
Simon Weinand, Philipp Rosenberger
This article refers to blackbox-tests of software solutions creating digital twins. The criteria to be assessed are the low-threshold application and the adaptability of the programmes to changing requirements defined in the context of a case study. Instead of simulating a production line through its digital twin, the goal is to simulate a 3D printer within the tested programmes. This approach is selected to evaluate to which extent the software solutions are modifiable according to the changed applicated purpose. A catalogue of criteria, in which twelve requirements are defined, serves as a guideline for creating the digital twins and for testing the programmes simultaneously. Digital twins of the 3D printer are beeing created by implementing and validating the requirements in each of the programmes. While creating the digital twins of the 3D printer it is verified that digital-twin-software dealing with the simulation of production lines is also useful to simulate other systems such as a 3D printer. Finally chances and challenges of digital-twin-software are pointed out and discussed.
本文引用了创建数字孪生的软件解决方案的黑盒测试。要评估的标准是低门槛的应用和方案对在个案研究范围内确定的不断变化的需求的适应性。其目标是在测试程序中模拟3D打印机,而不是通过其数字孪生来模拟生产线。选择这种方法是为了评估软件解决方案根据已更改的应用目的可修改的程度。一份标准目录,其中定义了12项要求,作为创建数字双胞胎和同时测试程序的指导方针。通过实施和验证每个程序中的要求,正在创建3D打印机的数字双胞胎。在创建3D打印机的数字双胞胎的同时,验证了处理生产线模拟的数字双胞胎软件也可用于模拟其他系统,如3D打印机。最后指出并讨论了数字孪生软件的机遇和挑战。
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引用次数: 2
Development of non-invasive, bioimpedance-based measuring device for primary tumor detection 非侵入性、基于生物阻抗的原发性肿瘤检测装置的研制
Zoltán Vízvári, Nina Gyorfi, Kitti Mintál, Z. Karádi, Attila Tóth, Zoltan Sári, P. Odry, G. Eigner, L. Kovács, V. Léner, Lilla Hámori, András Füredi
Breast cancer is one of the most common causes of death in women, therefore early diagnosis of the tumor and continuous monitoring of the therapeutic response are essential for the successful treatment. Bioimpedance spectrum is a completely new oncological biomarker that could support early diagnosis, personalized cancer therapy and medical decision-making. The aim of this project is to develop a bioimpedance spectroscopy (BIS) -based diagnostic device and associated measurement protocols that can detect the emergence of primary tumors, track their growth and response to therapy with the same reproducibility and reliability as the currently used medical imaging methods like CT, MRI, US or PET. Due to the sensitivity and limitations of the BIS method were not yet fully known, the suitability of our novel measuring instrument for monitoring tumor growth was investigated using a genetically engineered mouse model of breast cancer. The following article describes the pilot experiment and its promising preliminary results examining breast cancer.
乳腺癌是妇女最常见的死亡原因之一,因此早期诊断肿瘤和持续监测治疗效果对成功治疗至关重要。生物阻抗谱是一种全新的肿瘤生物标志物,可以支持早期诊断、个性化癌症治疗和医疗决策。该项目的目的是开发一种基于生物阻抗谱(BIS)的诊断设备和相关的测量方案,可以检测原发性肿瘤的出现,跟踪其生长和对治疗的反应,与目前使用的医学成像方法(如CT, MRI, US或PET)具有相同的可重复性和可靠性。由于BIS方法的敏感性和局限性尚不完全清楚,我们使用基因工程小鼠乳腺癌模型研究了我们的新型测量仪器用于监测肿瘤生长的适用性。下面的文章描述了这个试点实验及其有希望的初步结果,以检查乳腺癌。
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引用次数: 0
Simulation Aspects and Challenges for Space Robotic Systems 空间机器人系统的仿真方面和挑战
J. Kovecses
Contact tasks represent the most challenging elements of robotic operations. Simulation of such operations is a key element in space robotic applications and also sim-to-real transfer in reinforcement learning. Complex unilateral contact interfaces, friction, diversity of material properties are among the many contributors that make such robotic tasks extremely difficult to realistically reproduce in simulation and in virtual environments in general. In this presentation, we describe and demonstrate simulation methods for such complex robotic systems and tasks in the context of space robotic operations. The techniques rely on the concept of system decomposition and real-time interfacing using co-simulation. We will introduce the concept of model-based coupling that can significantly enhance the performance and accuracy of real-time simulation. Challenging space robotic contact tasks, such as grasping and insertion with jamming, will be used to illustrate the methods and their performance.
接触任务是机器人操作中最具挑战性的部分。这些操作的模拟是空间机器人应用的关键因素,也是强化学习中的模拟到真实迁移。复杂的单边接触界面,摩擦,材料特性的多样性是许多因素之一,使这种机器人任务极其难以在模拟和虚拟环境中真实再现。在本报告中,我们描述并演示了在空间机器人操作背景下这种复杂机器人系统和任务的仿真方法。这些技术依赖于系统分解的概念和使用联合仿真的实时接口。我们将引入基于模型的耦合概念,该概念可以显著提高实时仿真的性能和准确性。具有挑战性的空间机器人接触任务,如抓取和插入干扰,将用来说明方法和他们的性能。
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引用次数: 0
A Survey on Vulnerabilities and Classification of Cyber-Attacks on 5G-V2X 5G-V2X网络攻击漏洞及分类研究
Mera Saulaiman, M. Kozlovszky, Á. Csilling
In the Advent of Vehicular Communion as an essential part of autonomous driving, and the demanding requirements and services for autonomous driving, a new technology is needed to fulfill those needs. The new features of 5G and NR-5G enables it as the platform of choice for sensors and vehicles. It fulfills the requirements of vehicular networks and vehicle-to-everything (V2X) services. The Third Generation Partnership Project (3GPP) Release 14 and above addresses the requirements of V2X services with standardized services for the current LTE and upcoming 5G-NR technologies. On the other hand, due to its novelty, serious security and privacy concerns were raised. Wireless interfaces on vehicles create the possibility for attackers to remotely access vehicles. In this paper, we present an organized view of the existing 5G- V2X communication technologies, including V2X history, architecture, communication and use cases, We explore the different attacks and vulnerabilities on 5G-V2X, and present a comprehensive classification based on the combination of various criteria found in the literature. Lastly we discuss the possible direction of future research related to security issues in V2X communication.
车辆共享作为自动驾驶的重要组成部分,以及自动驾驶的苛刻要求和服务,需要一种新的技术来满足这些需求。5G和NR-5G的新特性使其成为传感器和车辆的首选平台。它满足了车联网和车联网(V2X)服务的需求。第三代合作伙伴计划(3GPP)第14版及以上版本通过针对当前LTE和即将到来的5G-NR技术的标准化服务,解决了V2X业务的需求。另一方面,由于其新颖性,引发了严重的安全和隐私问题。车辆上的无线接口为攻击者远程访问车辆创造了可能性。在本文中,我们对现有的5G-V2X通信技术进行了组织视图,包括V2X历史,架构,通信和用例,我们探索了5G-V2X的不同攻击和漏洞,并根据文献中发现的各种标准进行了综合分类。最后讨论了V2X通信安全问题的未来研究方向。
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引用次数: 1
Bifurcations in a closed-loop model of tumor growth control 肿瘤生长控制闭环模型的分岔
D. Drexler, I. Nagy, V. Romanovski
Model-based therapy generation can open new horizons in medicine. Cancer chemotherapy can be optimized using control theoretic methods based on mathematical models of tumor growth. We carry out the qualitative analysis of such a model using the simplest control scheme, i.e., P type control. We look for bifurcations for realistic values of tumor parameters. We show that it is possible to have bifurcations in the closed-loop system, and the qualitative behaviour depends on the initial conditions, and it is independent of the control gain. The analysis shows that the system has rich dynamics and the model can be used to reproduce complex phenomena occurring during real therapies.
基于模型的治疗生成可以打开医学的新视野。利用基于肿瘤生长数学模型的控制理论方法,可以优化肿瘤化疗方案。我们使用最简单的控制方案,即P型控制,对该模型进行定性分析。我们寻找切合实际的肿瘤参数值的分岔。我们证明了在闭环系统中可能存在分岔,并且定性行为取决于初始条件,并且与控制增益无关。分析表明,该系统具有丰富的动态性,该模型可用于再现实际治疗过程中发生的复杂现象。
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引用次数: 1
5G research in Kandó 5G研究在Kandó
Róbert Kovács, Gergely Kún, László Nádai, P. J. Varga, Sándor Gvánvi, Tibor Wuhrl, Kristóf Mószáros
At Kandó Kálmán Faculty of Electrical Engineering, Obuda University, we have a long history of mobile communication research. Several mobile communication research projects were carried out in our 4G LTE laboratory at our institute - Institute of Telecommunications. Nowadays, standardization of 5G has developed and we could start teaching network systems based on this technology in both BSc and MSc courses. In cooperation with industry partners, we have launched 5G research projects focusing primarily on 5G NR and 5G RAN. NBSZ (Nemzetblztonsági Szakszolgálat - Special Service For National Security) and we have started 5G RAN vulnerability research first, by developing the needed infrastructure. This article presents the tools, the goals and the foundations of the research.
在Kandó Kálmán小布达大学电气工程学院,我们在移动通信研究方面有着悠久的历史。我们在电信研究所的4G LTE实验室进行了几个移动通信研究项目。现在,5G的标准化已经发展起来,我们可以开始在理学士和硕士课程中教授基于该技术的网络系统。我们与行业伙伴合作,启动了5G研究项目,主要侧重于5G NR和5G RAN。NBSZ (Nemzetblztonsági Szakszolgálat -国家安全特别服务)和我们通过开发所需的基础设施,首先启动了5G RAN漏洞研究。本文介绍了研究的工具、目标和基础。
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引用次数: 0
Cybersecurity Aspects of Location-Based Services (LBS) in 5G Networks 5G网络中基于位置服务(LBS)的网络安全问题
Ogbolu Melvin Omone, M. Kucarov, Abdallah Benhamida, Miklós Vincze, M. Kozlovszky
The technology behind the provision of software services for the utilization of all related geographical raw data and processed information is known as Location-based Services (LBS). The raw data and processed information which are provided based on geographic location are presented in realtime; thus, the medium of transfer is possible through wireless communication networks and other forms of network clients (wired communication network). Early 2020, the impact of fifth generation (5G) network on Location-based Services (LBS) has been on the rise with improvements in the level of accuracy, speed in delivery, and the provision of information with Global Positioning System (GPS). In this paper, the application of Location-based Services (LBS) in fifth generation (5G) network as regards cybersecurity is being explored and emphasized. The use of the fifth generation (5G) network to curtail/prevent cybersecurity vulnerabilities (such as fraud, protection from known/unknown threats, data loss prevention, and privacy breach in the branch of cybersecurity) on businesses, the government, across all sectors, and individuals are extensively explained in this paper.
为利用所有相关的地理原始数据和处理过的信息而提供软件服务的技术被称为基于位置的服务(LBS)。实时呈现基于地理位置提供的原始数据和处理信息;这样,介质的传输就可以通过无线通信网络和其他形式的网络客户端(有线通信网络)进行。2020年初,第五代(5G)网络对基于位置的服务(LBS)的影响随着准确性、交付速度和全球定位系统(GPS)信息提供水平的提高而不断上升。本文对基于位置的服务(LBS)在第五代(5G)网络中的应用在网络安全方面进行了探索和强调。本文广泛解释了使用第五代(5G)网络来减少/防止企业,政府,所有部门和个人的网络安全漏洞(例如欺诈,防止已知/未知威胁,数据丢失预防和网络安全分支中的隐私泄露)。
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引用次数: 0
期刊
2021 IEEE 21st International Symposium on Computational Intelligence and Informatics (CINTI)
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