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Optimized Magnetically Docked Ingestible Capsules for Non-Invasive Refilling of Implantable Devices 用于植入式设备非侵入性填充的优化磁性对接可吞食胶囊
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-11-17 DOI: 10.1002/aisy.202470053
Hind Al-Haddad, Daniele Guarnera, Izadyar Tamadon, Lorenzo Arrico, Giulia Ballardini, Francesco Mariottini, Alessio Cucini, Simone Ricciardi, Fabio Vistoli, Maria Isabella Rotondo, Daniela Campani, Xuyang Ren, Gastone Ciuti, Benjamin Terry, Veronica Iacovacci, Leonardo Ricotti

Magnetically Docked Ingestible Capsules for Non-Invasive Refilling of Implantable Devices

In article number 2400125, Hind Al-Haddad, Leonardo Ricotti, and co-workers advance implanted drug delivery systems with a non-invasive drug-refilling approach. They employ an ISO 13485-compliant ingestible capsule, two magnetic docking units, and a punching system to ensure safe insulin transfer from the capsule to the implanted reservoir. The digestive tract is exploited as an interface, thus enabling controlled and non-invasive refilling of implanted devices. Validation through ex vivo tests on human tissues, bench tests, and a six-week in vivo study on porcine models confirm the system’s safety and efficacy.

磁性对接可吸收胶囊用于植入式设备的非侵入性加注 在编号为 2400125 的文章中,Hind Al-Haddad、Leonardo Ricotti 及其合作者采用非侵入性药物加注方法推进了植入式给药系统的发展。他们采用了一种符合 ISO 13485 标准的可摄取胶囊、两个磁性对接单元和一个打孔系统,以确保安全地将胰岛素从胶囊转移到植入的储库中。消化道被用作接口,从而实现了植入设备的可控和非侵入式充注。通过对人体组织进行体外测试、工作台测试以及对猪模型进行为期六周的体内研究,证实了该系统的安全性和有效性。
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引用次数: 0
Design and Optimization of a Magnetic Field Generator for Magnetic Particle Imaging with Soft Magnetic Materials 设计和优化用于软磁材料磁粉成像的磁场发生器
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-11-17 DOI: 10.1002/aisy.202470051
Fynn Foerger, Marija Boberg, Jonas Faltinath, Tobias Knopp, Martin Möddel

Magnetic Field Generator for Magnetic Particle Imaging

Magnetic particle imaging (MPI) is a tomographic imaging technique that uses different magnetic fields to visualize administered magnetic nanoparticles. The cover image shows a novel magnetic field generator for cerebral MPI that surpasses previous generators in flexibility and energy efficiency. Magnetic field lines can be seen as glowing stripes that penetrate the head and interact with previously administered nanoparticles. This advanced generator enables real-time visualization of blood flow throughout the brain, improving the detection and treatment of stroke and cerebral hemorrhage. Further information can be found in article number 2400017 by Fynn Foerger and co-workers.

用于磁粒子成像的磁场发生器 磁粒子成像(MPI)是一种断层成像技术,它利用不同的磁场对管理的磁性纳米粒子进行可视化。封面图片显示的是一种用于脑部 MPI 的新型磁场发生器,它在灵活性和能效方面超越了以前的发生器。磁场线可以看成发光的条纹,穿透头部并与先前施用的纳米粒子相互作用。这种先进的发生器能实时显示整个大脑的血流情况,从而改善中风和脑出血的检测和治疗。更多信息,请参阅 Fynn Foerger 及其合作者撰写的编号为 2400017 的文章。
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引用次数: 0
High-Performance Textile-Based Capacitive Strain Sensors via Enhanced Vapor Phase Polymerization of Pyrrole and Their Application to Machine Learning-Assisted Hand Gesture Recognition 通过增强吡咯气相聚合的高性能纺织品电容式应变传感器及其在机器学习辅助手势识别中的应用
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-11-17 DOI: 10.1002/aisy.202470050
Pierre Kateb, Alice Fornaciari, Chakaveh Ahmadizadeh, Alexander Shokurov, Fabio Cicoira, Carlo Menon

High-Performance Textile-Based Capacitive Strain Sensors

In article number 2400292, Alexander Shokurov, Carlo Menon, and co-workers present high-performance textile-based capacitive strain sensors for wearable applications. Through vapor-phase polymerization of pyrrole, enhanced via addition of co-vapor and imidazole, good conductivity and robustness are achieved in a stretchable textile. A new insulation technique using polymer composites provides durability and dielectric coating. Intertwining such fibers together creates a stretchable capacitive sensor. Integrated into a textile glove, sensors precisely capture fine hand motions. A machine learning model classifies 12 gestures with 100% accuracy, showcasing its potential for wearable technology.

基于纺织品的高性能电容式应变传感器 在编号为 2400292 的文章中,Alexander Shokurov、Carlo Menon 及其合作者介绍了用于可穿戴应用的高性能纺织品电容式应变传感器。通过对吡咯进行气相聚合,并加入共蒸物和咪唑进行增强,在可拉伸纺织品中实现了良好的导电性和坚固性。使用聚合物复合材料的新型绝缘技术可提供耐用性和电介质涂层。将这些纤维交织在一起,就形成了一种可拉伸的电容式传感器。传感器集成到纺织手套中,可精确捕捉手部的细微动作。机器学习模型对 12 种手势进行了分类,准确率达到 100%,展示了其在可穿戴技术方面的潜力。
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引用次数: 0
A Flexible, Architected Soft Robotic Actuator for Motorized Extensional Motion 用于电动伸展运动的灵活、结构化软机器人致动器
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-11-17 DOI: 10.1002/aisy.202470054
Taekyoung Kim, Pranav Kaarthik, Ryan L. Truby

A Flexible, Architected Soft Robotic Actuator for Motorized Extensional Motion

In article number 2300866 by Ryan L. Truby and co-workers, a flexible, architected soft robotic actuator is reported that comprises a 3D printed, cylindrical handed shearing auxetic structure and a deformable, internal rubber bellows shaft. The actuator linearly extends upon applying torque from a servo motor, while maintaining high flexibility. The photomontage shows the soft actuator used as a crawling soft robot that can move through tight, tortuous surroundings. The mechanical deformability allows the actuator to passively adapt to its environment.

用于电动伸展运动的柔性结构软机器人致动器 在 Ryan L. Truby 及其合作者撰写的文章(文章编号 2300866)中,报告了一种柔性结构软机器人致动器,该致动器包括一个 3D 打印的圆柱形交剪辅助结构和一个可变形的内部橡胶波纹管轴。在伺服电机施加扭矩时,致动器可线性伸展,同时保持高柔性。图片展示了软促动器作为爬行软机器人使用的情况,它可以在狭窄曲折的环境中移动。机械变形能力使执行器能够被动地适应环境。
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引用次数: 0
Flexible Continuum Robot with Variable Stiffness, Shape-Aware, and Self-Heating Capabilities 具有可变刚度、形状感知和自加热功能的柔性连续机器人
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-10-28 DOI: 10.1002/aisy.202400166
Ximing Zhao, Yilin Su, Qingzhang Xu, Haohang Liu, Rui Shi, Meiyang Zhang, Xuyan Hou, Youyu Wang

Conventional continuum robots have outstanding flexibility and dexterity. However, when the robot needs to interact with the environment, the softness may affect the performance of the robot. Especially in transport tasks, the softness of continuum robots can lead to handling failures and drastic drops in precision. The variable stiffness continuum robot combines the advantages of flexibility and rigidity, which is conducive to expanding the application scenarios of flexible continuum robots. This article proposes a flexible continuum robot that simultaneously realizes variable stiffness, shape-aware, and self-heating functions using liquid metal. The low-temperature phase transition property of liquid metal is utilized to realize the variable stiffness function; the overall stiffness of the robot can reach the range of 18.5–183 N m−1, which can realize a tenfold stiffness gain. The conductivity of liquid metal is utilized to develop the shape-aware function, and the monitoring accuracy is within 5%. At the same time, this article utilizes the liquid metal's resistive thermal effect to realize heating function, so that the robot no longer needs heating systems such as heating wires and can realize the phase transition by energizing itself. Based on this design, the robot arm can realize the transition between maximum and minimum stiffness within 240 s.

传统的连续机器人具有出色的灵活性和灵巧性。然而,当机器人需要与环境交互时,柔软度可能会影响机器人的性能。特别是在运输任务中,连续体机器人的柔软度可能会导致搬运失败和精度急剧下降。变刚度连续机器人兼具柔性和刚性的优点,有利于拓展柔性连续机器人的应用场景。本文提出了一种利用液态金属同时实现变刚度、形状感知和自加热功能的柔性连续机器人。利用液态金属的低温相变特性实现变刚度功能,机器人的整体刚度可达 18.5-183 N m-1,可实现十倍的刚度增益。利用液态金属的导电性开发了形状感知功能,监测精度在 5%以内。同时,本文利用液态金属的电阻热效应实现加热功能,使机器人不再需要加热丝等加热系统,通过自身通电即可实现相变。基于这种设计,机器人手臂可在 240 秒内实现最大刚度和最小刚度之间的转换。
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引用次数: 0
Reconstructing Soft Robotic Touch via In-Finger Vision 通过指内视觉重建柔软机器人触感
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-10-15 DOI: 10.1002/aisy.202470045
Ning Guo, Xudong Han, Shuqiao Zhong, Zhiyuan Zhou, Jian Lin, Fang Wan, Chaoyang Song

Reconstructing Soft Robotic Touch via In-Finger Vision

The research by Fang Wan, Chaoyang Song, and co-workers (see article number 2400022) introduces a vision-based approach for learning proprioceptive interactions using Soft Robotic Metamaterials (SRMs). By reconstructing shape and touch during physical engagements, the authors achieve real-time, precise estimations of the soft finger mesh deformation in virtual environments. This innovation enhances the adaptability in 3D interactions and suggests promising applications in human–robot collaboration and touch-based digital twin interactions, bridging the gap between physical and virtual worlds via a multi-modal soft touch.

通过指内视觉重建软体机器人触感 万芳、宋朝阳及合作者的研究(见文章编号 2400022)介绍了一种基于视觉的方法,用于学习使用软体机器人超材料(SRM)的本体感觉交互。通过重建物理接触过程中的形状和触感,作者实现了在虚拟环境中对软手指网格变形的实时、精确估计。这一创新增强了三维互动的适应性,并为人机协作和基于触摸的数字孪生互动带来了广阔的应用前景,通过多模态软触摸在物理世界和虚拟世界之间架起了桥梁。
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引用次数: 0
A Cable-Actuated Soft Manipulator for Dexterous Grasping Based on Deep Reinforcement Learning 基于深度强化学习的用于灵巧抓取的线控软机械手
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-10-15 DOI: 10.1002/aisy.202470046
Kunyu Zhou, Baijin Mao, Yuzhu Zhang, Yaozhen Chen, Yuyaocen Xiang, Zhenping Yu, Hongwei Hao, Wei Tang, Yanwen Li, Houde Liu, Xueqian Wang, Xiaohao Wang, Juntian Qu

Cable-Actuated Soft Manipulator Based on Deep Reinforcement Learning

In article number 2400112, Juntian Qu and co-workers propose a type of modified TD3 (twin delayed deep deterministic policy gradient) algorithm in combination with LSTM (long short-term memory) neural networks to control the cable-driven soft manipulator. Multi-scenario and multi-task experiments are carried out based on the soft manipulator, such as precisely placing a 6 mm diameter ball into a 10 mm diameter glass bottle and accurately retrieving a shell from within an L-shaped pipe using the soft manipulator.

基于深度强化学习的线控软机械手 在编号为 2400112 的文章中,曲俊田及其合作者提出了一种结合 LSTM(长短期记忆)神经网络的改进型 TD3(双延迟深度确定性策略梯度)算法,用于控制线控软机械手。基于软机械手开展了多场景和多任务实验,例如利用软机械手将直径为 6 毫米的球精确放入直径为 10 毫米的玻璃瓶中,以及从 L 型管道中精确取出贝壳。
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引用次数: 0
Reprogrammable, Recyclable Origami Robots Controlled by Magnetic Fields 由磁场控制的可重复编程、可回收折纸机器人
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-10-15 DOI: 10.1002/aisy.202470049
Gooyoon Chung, Jeong Woo Chae, Dong-Soo Han, Sang Min Won, Yoonseok Park

Reprogrammable, Recyclable Origami Robots

The research highlighted by this cover focuses on creating innovative paper-based origami robots that transform a simple 2D sheet into complicated 3D shapes using magnetic programming (see article number 2400082). Sang Min Won, Yoonseok Park, and co-workers embed these biodegradable robots with conductive nanoparticles and electrical components, enabling them to monitor environmental conditions and repair complex machinery. The authors believe that these advancements will broaden the use of origami robots in various areas of soft robotics, offering versatile, eco-friendly solutions.

可重新编程、可回收的折纸机器人 本封面重点介绍的研究重点是创造创新型纸基折纸机器人,利用磁性编程将简单的二维薄片转变成复杂的三维形状(见文章编号 2400082)。Sang Min Won、Yoonseok Park 和合作者在这些可生物降解的机器人中嵌入了导电纳米粒子和电子元件,使它们能够监测环境条件并修复复杂的机械。作者认为,这些进展将拓宽折纸机器人在软机器人技术各个领域的应用,提供多功能的环保解决方案。
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引用次数: 0
Liquid Metal Chameleon Tongues: Modulating Surface Tension and Phase Transition to Enable Bioinspired Soft Actuators 液态金属变色龙舌头:调节表面张力和相变,实现生物启发式软致动器
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-10-15 DOI: 10.1002/aisy.202470048
Hongda Lu, Mengqing Zhao, Qingtian Zhang, Jiayi Yang, Zexin Chen, Liping Gong, Xiangbo Zhou, Lei Deng, Haiping Du, Shiwu Zhang, Shi-Yang Tang, Weihua Li

Liquid Metal Chameleon Tongues – Bioinspired Soft Actuators

Article number 2400231 by Hongda Lu, Shi-Yang Tang, Weihua Li, and co-workers presents a bio-inspired liquid metal soft actuator inspired by the predation behavior of chameleons. By delicately modulating its surface tension and phase transition, the actuator achieves reciprocating motion, exhibiting high strain rate, enhanced adhesive force, and reconfigurability. These superior performances highlight a potential in cargo delivery, complex 2D motion, and advanced smart mechatronics.

液态金属变色龙舌头--受生物启发的软致动器 文章编号:2400231,作者:Hongda Lu、Shi-Yang Tang、Weihua Li 及合作者介绍了一种受生物启发的液态金属软致动器,其灵感来自变色龙的捕食行为。通过微妙地调节其表面张力和相变,致动器实现了往复运动,表现出高应变率、增强的粘附力和可重构性。这些卓越的性能彰显了其在货物运输、复杂的二维运动和先进的智能机电一体化方面的潜力。
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引用次数: 0
PUMA: Deep Metric Imitation Learning for Stable Motion Primitives PUMA:针对稳定运动原型的深度度量模仿学习
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-10-14 DOI: 10.1002/aisy.202400144
Rodrigo Pérez-Dattari, Cosimo Della Santina, Jens Kober

Imitation learning (IL) facilitates intuitive robotic programming. However, ensuring the reliability of learned behaviors remains a challenge. In the context of reaching motions, a robot should consistently reach its goal, regardless of its initial conditions. To meet this requirement, IL methods often employ specialized function approximators that guarantee this property by construction. Although effective, these approaches come with some limitations: 1) they are typically restricted in the range of motions they can model, resulting in suboptimal IL capabilities, and 2) they require explicit extensions to account for the geometry of motions that consider orientations. To address these challenges, we introduce a novel stability loss function that does not constrain the function approximator's architecture and enables learning policies that yield accurate results. Furthermore, it is not restricted to a specific state space geometry; therefore, it can easily incorporate the geometry of the robot's state space. Proof of the stability properties induced by this loss is provided and the method is empirically validated in various settings. These settings include Euclidean and non-Euclidean state spaces, as well as first-order and second-order motions, both in simulation and with real robots. More details about the experimental results can be found at https://youtu.be/ZWKLGntCI6w.

模仿学习(IL)有助于直观地进行机器人编程。然而,确保所学行为的可靠性仍然是一项挑战。就到达运动而言,无论初始条件如何,机器人都应始终如一地到达目标。为了满足这一要求,IL 方法通常采用专门的函数近似器,通过构造来保证这一特性。这些方法虽然有效,但也有一些局限性:1) 它们通常限制了建模运动的范围,导致 IL 能力达不到最优;2) 它们需要明确的扩展,以考虑运动的几何方向。为了应对这些挑战,我们引入了一种新颖的稳定性损失函数,它不限制函数近似器的结构,并能使学习策略产生精确的结果。此外,它并不局限于特定的状态空间几何形状,因此可以轻松纳入机器人状态空间的几何形状。我们提供了由这种损失引起的稳定性能的证明,并在各种环境下对该方法进行了经验验证。这些环境包括欧几里得和非欧几里得状态空间,以及一阶和二阶运动,包括模拟和真实机器人。有关实验结果的更多详情,请访问 https://youtu.be/ZWKLGntCI6w。
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引用次数: 0
期刊
Advanced intelligent systems (Weinheim an der Bergstrasse, Germany)
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