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2023 9th International Conference on Automation, Robotics and Applications (ICARA)最新文献

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Distributed Optimisation under a Weight-unbalanced Digraph 权重不平衡有向图下的分布式优化
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125755
P. Pradhan, Arijit Sen, Mangal Kothari, K. Rajawat
Distributed optimisation (DO) problems in application to networked multi-agent system (MAS) have been an intriguing topic for research among different research communities. Despite the substantial number of works in this field over the past decade, the existing literature lacks a generalised algorithm for solving the DO problem for a strongly-connected weight unbalanced graph. This paper presents an information state dynamics for optimising the convex global objective function in a distributed manner under a strongly-connected weight-unbalanced digraph. Unlike few of the existing algorithms, the proposed dynamics does not require any global information, rather it solely depends on the locally available information and the information that the agent receives from the neighbours only. Numerical simulations with a comparative study with the state-of-the-art algorithm solving a DO problem under a weight-unbalanced digraph are also demonstrated in the paper to prove the claims.
分布式优化(DO)问题在网络多智能体系统(MAS)中的应用一直是学术界研究的热点。尽管在过去十年中在该领域有大量的工作,但现有文献缺乏解决强连接权不平衡图的DO问题的通用算法。本文提出了一种在强连接权不平衡有向图下以分布式方式优化凸全局目标函数的信息状态动力学方法。与现有的一些算法不同,该算法不需要任何全局信息,而是完全依赖于局部可用信息和代理仅从邻居处接收的信息。通过数值模拟,并与最先进的算法在加权不平衡有向图下求解DO问题进行了比较研究,以证明本文的观点。
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引用次数: 0
A Deep Reinforcement Learning Visual Servoing Control Strategy for Target Tracking Using a Multirotor UAV 多旋翼无人机目标跟踪的深度强化学习视觉伺服控制策略
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125971
Andreas Mitakidis, Sotirios N. Aspragkathos, Fotis Panetsos, G. Karras, K. Kyriakopoulos
In this work, a deep Reinforcement Learning control scheme is developed in order to execute autonomous tracking of an unmanned ground vehicle (UGV) with a multirotor unmanned aerial vehicle (UAV). The UAV is equipped with a downward looking camera and the detection of the target UGV is achieved through a convolutional neural network (CNN). The deep RL control policy is deployed as a cascade position controller, which commands the inner attitude controller of the autopilot, and achieves the following of the UGV despite the aggressive maneuvers of the target. The efficacy of the proposed framework is demonstrated via a set of outdoor experiments using an octocopter flying above the ground vehicle.
在这项工作中,为了实现无人驾驶地面车辆(UGV)与多旋翼无人机(UAV)的自主跟踪,开发了一种深度强化学习控制方案。该无人机配备了一个向下看的摄像头,通过卷积神经网络(CNN)实现对目标UGV的检测。深度强化学习控制策略部署为级联位置控制器,指挥自动驾驶仪的内部姿态控制器,在目标咄咄逼人的机动情况下实现对无人潜航器的跟踪。所提出的框架的有效性是通过一组室外实验证明使用地面车辆上空飞行的八旋翼飞机。
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引用次数: 0
Cyber Security for Surgical Remote Intelligent Robotic Systems 外科远程智能机器人系统的网络安全
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10126050
Alexandra Bernadotte
This paper highlights the progress toward securing teleoperating devices over the past ten years of active technology development. The relevance of this issue lies in the widespread development of teleoperating systems with a small number of systems allowed for operations. Anomalous behavior of the operating device, caused by a disruption in the normal functioning of the system modules, can be associated with remote attacks and exploitation of vulnerabilities, which can lead to fatal consequences. There are regulations and mandates from licensing agencies such as the US Food and Drug Administration (FDA) that place restrictions on the architecture and components of teleoperating systems. These requirements are also evolving to meet new cybersecurity threats. In particular, consumers and safety regulatory agencies are attracted by the threat of compromising hardware modules along with software insecurity. Recently, detailed security frameworks and protocols for teleoperating devices have appeared. However, a matter of intelligent autonomous controllers for analyzing anomalous and suspicious actions in the system remain unattended, as well as emergency protocols from the point of cybersecurity view. This work provides a new approach for the intraoperative cybersecurity of intelligent teleoperative surgical systems, taking into account modern requirements for implementing into the Surgical Remote Intelligent Robotic System LevshAI. The proposed principal security model allows a surgeon or autonomous agent to manage the operation process during various attacks.
本文重点介绍了近十年来远程操作设备安全技术发展的进展。这个问题的相关性在于远程操作系统的广泛发展,允许少量系统进行操作。由系统模块正常功能中断引起的操作设备的异常行为可能与远程攻击和漏洞利用有关,这可能导致致命的后果。许可机构(如美国食品和药物管理局(FDA))对远程操作系统的体系结构和组件进行了限制。这些要求也在不断发展,以应对新的网络安全威胁。特别是,消费者和安全监管机构被硬件模块和软件不安全的威胁所吸引。最近出现了详细的远程操作设备安全框架和协议。然而,从网络安全的角度来看,用于分析系统中异常和可疑行为的智能自主控制器以及应急协议仍然无人值守。这项工作为智能远程手术系统的术中网络安全提供了一种新的方法,考虑到实现手术远程智能机器人系统LevshAI的现代要求。提出的主体安全模型允许外科医生或自主代理在各种攻击期间管理手术过程。
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引用次数: 2
Extending the Target-Search Algorithm for Kilobots by Adding Random Walk Behavior 添加随机漫步行为的Kilobots目标搜索算法扩展
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125694
Michael Troxler, Rolf Dornberger, T. Hanne
This paper discusses the moving behavior of Kilobots, particularly target search and collision avoidance. When using minimalistic robots (e.g., Kilobots), the approach to develop an algorithm is limited by computational power and sensorial functionality. Therefore, Kilobots help examine the challenges of limited simple medical nanorobots. In this paper, an algorithm is presented which is an extension of target-search and collision avoidance by introducing random walk behavior using the Lévy distribution. The results show that the random walk behavior improves the movement of Kilobots in some respects. The robots tend to discover an unknown area more efficiently in a specific time. In addition, the robots are less likely to get stuck on boarders and obstacles. On the other hand, the introduced random walk does not improve the ability of target search and collision avoidance.
本文讨论了Kilobots的移动行为,特别是目标搜索和碰撞避免。当使用极简机器人(例如,Kilobots)时,开发算法的方法受到计算能力和感官功能的限制。因此,Kilobots有助于研究有限的简单医疗纳米机器人的挑战。本文提出了一种利用lsamvy分布引入随机游走行为的目标搜索和避撞算法。结果表明,随机行走行为在某些方面改善了Kilobots的运动。机器人倾向于在特定时间内更有效地发现未知区域。此外,机器人不太可能卡在滑板和障碍物上。另一方面,引入的随机漫步并没有提高算法的目标搜索和避碰能力。
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引用次数: 0
JUST TELL ME: A Robot-assisted E-health Solution for People with Lower-extremity Disability JUST TELL ME:机器人辅助的下肢残疾人电子医疗解决方案
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125947
Alexander Coutras, Omar Obidat, Michelle Zhu, Weitian Wang
Robotics technology has been increasingly applied to healthcare contexts to enhance efficiency and safety in healthcare processes in recent years. People with mobility impairments and disabilities often require caretakers in their lives. Fortunately, robots can provide attention and assistance consistently for them instead of human caretakers. Motivated by this, we develop a robot-assisted e-health solution to empower the patients' daily lives and improve their wellbeing in this study. A transfer learning-based approach is proposed to train the robot to understand and identify patients' needs through a small dataset. Using the proposed approach, the robot is able to understand the patient's needs through speech recognition and recognize objects that the patient has requested. The proposed solution is experimentally implemented in real-world human-robot interactive healthcare contexts. Results and analysis indicate the success and accuracy of our approaches.
近年来,机器人技术越来越多地应用于医疗保健环境,以提高医疗保健过程的效率和安全性。有行动障碍和残疾的人在生活中往往需要照顾者。幸运的是,机器人可以代替人类看护者持续地为他们提供关注和帮助。受此启发,我们开发了一个机器人辅助的电子医疗解决方案,以增强患者的日常生活能力,并在本研究中改善他们的健康状况。提出了一种基于迁移学习的方法,通过小数据集训练机器人理解和识别患者的需求。利用所提出的方法,机器人能够通过语音识别了解患者的需求,并识别患者所要求的物体。提出的解决方案在现实世界的人机交互医疗保健环境中实验性地实现。结果和分析表明,我们的方法是成功和准确的。
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引用次数: 0
Cooperative Optimal Control of UAVs Based on Brain-Attention Mechanism Neural Network 基于脑注意机制神经网络的无人机协同最优控制
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125837
Ziyuan Ma, Huajun Gong, Xinhua Wang
With the increasing complexity and variety of mission environments, multiple-UAVs cooperative path optimization system is gradually becoming an important development direction in the future. Because the current intelligent level of UAV is difficult to meet the requirements of complex tasks, in order to improve the intelligence and collaborative ability of multiple-UAVs systems, this paper focuses on the intelligent decision-making and collaborative control of UAV in the collaborative path of multiple UAVs system. In this paper, an autonomous and innovative UAV Cooperative Path Optimization System Based on neural network of brain like attention mechanism is proposed. The experimental results show that this method has lower processing delay, can achieve positioning accuracy in a shorter time, and has higher reliability and accuracy than the traditional center controlled UAV cooperative positioning UAV method.
随着任务环境的日益复杂和多样化,多无人机协同路径优化系统逐渐成为未来重要的发展方向。由于目前无人机的智能化水平难以满足复杂任务的要求,为了提高多无人机系统的智能化和协同能力,本文重点研究了多无人机系统协同路径下无人机的智能决策和协同控制。提出了一种基于类脑注意机制神经网络的无人机自主创新协同路径优化系统。实验结果表明,该方法具有较低的处理延迟,可以在较短的时间内实现定位精度,并且比传统的中心控制无人机协同定位无人机方法具有更高的可靠性和精度。
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引用次数: 0
Fused Swish-ReLU Efficient-Net Model for Deepfakes Detection 融合Swish-ReLU高效网络模型的深度伪造检测
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125801
Hafsa Ilyas, A. Javed, Muteb Aljasem, Mustafa Alhababi
With the rapid development of sophisticated deepfakes generation methods, the realism of fake content has reached the level where it becomes difficult for human eyes to identify such high-quality fake images/videos, thus increasing the demand for developing deepfakes detection methods. The diversity in deepfakes images/videos in terms of ethnicity, illumination condition, skin tone, age, background setting, and generation algorithms makes the detection task quite difficult. To better address the aforementioned challenges, we present a novel Swish-ReLU Efficient-Net (SRE-Net) that is robust to the identification of deepfakes generated using different face-swap and face-reenactment techniques. More precisely, we fused two EfficienNet-b0 models, one with the ReLU and the other with the Swish activation function along with layer freezing to achieve better detection results. Our SRE-Net attained the average accuracy and precision of 96.5% and 97.07% on the FaceForensics++ dataset, and 88.41% and 91.28% on the DFDC-preview dataset. The high detection results demonstrate the effectiveness of SRE-Net while detecting the deepfakes generated using different manipulation algorithms.
随着复杂的深度伪造生成方法的快速发展,虚假内容的真实感已经达到人眼难以识别高质量的假图像/视频的程度,从而增加了开发深度伪造检测方法的需求。深度伪造图像/视频在种族、光照条件、肤色、年龄、背景设置和生成算法方面的多样性使得检测任务相当困难。为了更好地解决上述挑战,我们提出了一种新的Swish-ReLU Efficient-Net (SRE-Net),它对使用不同的人脸交换和人脸再现技术生成的深度伪造具有鲁棒性。更准确地说,我们融合了两个EfficienNet-b0模型,一个带有ReLU,另一个带有Swish激活功能以及层冻结,以获得更好的检测结果。我们的SRE-Net在FaceForensics++数据集上的平均准确率和精密度分别为96.5%和97.07%,在DFDC-preview数据集上的平均准确率和精密度分别为88.41%和91.28%。高检测结果证明了SRE-Net在检测使用不同操作算法生成的深度伪造时的有效性。
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引用次数: 0
Toward Computationally Efficient Path Generation and Push Planning for Robotic Nonprehensile Manipulation 机器人不可抓握操作的高效路径生成与推进规划研究
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125726
A. Elibol, N. Chong
Robots have been involved in our daily life more and more. This involvement comes along with a necessity for endowing robots to interact with real-world objects that are novel to them. Among many others, pushing is one of the important tasks for robotic arms (or manipulators) as it has been widely used in the pipeline of the more complicated tasks (e.g., grasping, singulation, reorienting, and similar other tasks.), In this paper, we present simple yet efficient path generation and push planning algorithms for pushing an object from a given point to a target point in the given grid map with static obstacles. Our path generation module aims to generate waypoints taking into account obstacles and quantizing them into circular regions in order to reduce the computational cost. The path is formed using the waypoints by minimizing the designed cost function. We also define a cost function for planning pushing steps aiming to both minimize the number of pushing actions and deviation from the path generated. We present comparative numerical results using simulated data. Our preliminary findings show promising results leaving room for further improvements.
机器人已经越来越多地参与到我们的日常生活中。这种参与伴随着赋予机器人与他们陌生的现实世界物体互动的必要性。在许多其他任务中,推动是机械臂(或机械手)的重要任务之一,因为它已广泛应用于更复杂的任务(例如,抓取,模拟,重新定向和类似的其他任务)的流水线中。在本文中,我们提出了简单而有效的路径生成和推动规划算法,用于将物体从给定点推到给定网格地图中具有静态障碍物的目标点。我们的路径生成模块旨在生成考虑障碍物的路径点,并将其量化为圆形区域,以减少计算成本。通过最小化设计的代价函数,使用路径点形成路径。我们还定义了一个成本函数,用于规划推动步骤,旨在最小化推动动作的数量和与生成路径的偏差。我们用模拟数据给出了比较的数值结果。我们的初步研究结果显示出有希望的结果,并为进一步改进留下了空间。
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引用次数: 0
Robot-Assisted Orthopedic Surgery Bone Pose Identification Using Task-Specific Capability Maps 使用任务特定能力图的机器人辅助骨科手术骨姿势识别
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10126064
J. R. Roldan, M. Jung, Feimo Shen, D. Milutinović
In this paper, we propose a method for total knee arthroplasty (TKA) bone pose identification for robot-assisted orthopedic surgery. The TKA procedure presents a unique challenge because of a finite number of cutting trajectories, their relative locations that are not completely known, anatomical constraints and bone placement errors. Our method addresses these challenges by constructing cutting task-specific capability maps which represent the robot's ability to execute the task for various task poses. To identify the femur and tibia bone poses from the map, we develop a feasibility measure which scores the bone poses based on the volume of feasible workspace locations. Our method is successfully tested on the TCAT® surgical robot and the results reveal that it is able to properly identify anatomically feasible bone poses that have enough margin for bone placement errors during the surgery.
在本文中,我们提出了一种用于机器人辅助骨科手术的全膝关节置换术(TKA)骨位姿识别方法。TKA手术具有独特的挑战,因为切割轨迹的数量有限,它们的相对位置不完全清楚,解剖限制和骨放置错误。我们的方法通过构建切割任务特定的能力图来解决这些挑战,这些能力图代表了机器人在各种任务姿势下执行任务的能力。为了从地图中识别股骨和胫骨的骨骼姿势,我们开发了一种可行性测量方法,该方法基于可行工作空间位置的体积对骨骼姿势进行评分。我们的方法在TCAT®手术机器人上成功地进行了测试,结果表明它能够正确识别解剖上可行的骨骼姿势,并且在手术过程中有足够的骨放置错误余地。
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引用次数: 0
Developing an Agent-Based Simulation Model for Predicting Technology Acceptance at Border Crossing Points 基于agent的边境口岸技术接受度预测仿真模型研究
Pub Date : 2023-02-10 DOI: 10.1109/ICARA56516.2023.10125714
Sarang Shaikh, Sule YAYILGAN YILDIRIM
In this paper, we are focusing on the use of agent-based approach to generate simulations of various scenarios for border crossing points and making technology acceptance predictions. This paper is related to the Horizon 2020 project METICOS11https://meticos-project.eu/, for which we are extracting user (traveler and border control staff) perceptions from sources such as online social networks e.g., Twitter, Web, Interviews, Questionnaires etc. However, for the scope of this paper we have only included the synthetic data for the experiments to validate the proposed simulation model. The existing studies made a strong justification for choosing this approach to model the defined problem. To the best of our knowledge, this paper is a first research study focusing on defining how agent-based modeling and simulation can be used to model border crossing scenarios and predicting the acceptance of the border control technologies by explaining travelers' profile based on synthetic data, perceptions based on manual rules. This is important for stakeholders who take decisions related to what technologies to place at the border crossing points and what features such technologies should have to improve throughputs and traveler and border staff satisfaction.
在本文中,我们专注于使用基于代理的方法来生成边境过境点各种场景的模拟,并进行技术接受度预测。本文与地平线2020项目METICOS11https://meticos-project有关。eu/,为此,我们从在线社交网络(如Twitter、Web、访谈、问卷等)中提取用户(旅行者和边境管制人员)的看法。然而,在本文的范围内,我们只包括了实验的综合数据,以验证所提出的仿真模型。现有的研究为选择这种方法对已定义的问题建模提供了强有力的理由。据我们所知,本文是第一个研究如何使用基于主体的建模和仿真来建模过境场景,并通过基于合成数据和基于人工规则的感知来解释旅行者的个人资料,从而预测边境控制技术的接受程度的研究。这对于决定在过境点采用何种技术以及这些技术应该具有哪些特性以提高吞吐量以及旅客和边境工作人员满意度的利益相关者来说非常重要。
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引用次数: 0
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2023 9th International Conference on Automation, Robotics and Applications (ICARA)
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