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Enhancing and Decoding the Performance of Muscle Actuators with Flexures 增强和解码具有挠性的肌肉致动器的性能
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-22 DOI: 10.1002/aisy.202470029
Naomi Lynch, Nicolas Castro, Tara Sheehan, Laura Rosado, Brandon Rios, Martin Culpepper, Ritu Raman

Muscle Actuators with Flexures

Biohybrid robots require robust, reproducible, and predictable muscle actuators. Ritu Raman and co-workers have designed compliant mechanisms, termed “flexures”, that enhance the performance and decode the contractile dynamics of biological actuators with unprecedented accuracy and precision (see article number 2300834). The authors’ platform enables user-defined control of muscle contractile dynamics and fatigue behavior, enabling real-world applications of muscle as an actuator for adaptive machines. [Cover art by Ella Marushchenko.]

带挠性的肌肉致动器 生物混合机器人需要坚固、可重现和可预测的肌肉致动器。Ritu Raman 及其合作者设计了称为 "挠性 "的顺应机构,以前所未有的准确性和精确度提高了生物致动器的性能并解码了其收缩动力学(见文章编号 2300834)。作者的平台可实现用户定义的肌肉收缩动力学和疲劳行为控制,使肌肉作为自适应机器致动器的实际应用成为可能。[封面设计:Ella Marushchenko]。
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引用次数: 0
Multiscale Textile-Based Haptic Interactions 基于多尺度纺织品的触觉交互
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-22 DOI: 10.1002/aisy.202470032
Zane A. Zook, Barclay Jumet, Anas Yousaf, Daniel J. Preston, Marcia K. O’Malley

Multiscale Haptic Interactions

Most wearable haptic devices (top left) deliver haptic notifications to the body; perception of haptics is depicted as brain activity (pink region). In the multiscale paradigm (bottom right), a user actively interacts with the wearable device to perceive a greater amount of information, both via passive receipt of haptic notifications through the band (pink region) and via active exploration of the textile haptic band with fingertips (yellow region). Background letters and numbers represent information transmission to the user via the device. For more information on multiscale haptics, see article number 2300897 by Marcia K. O’Malley and co-workers.

多尺度触觉交互 大多数可穿戴触觉设备(左上)都会向人体发送触觉通知;触觉感知被描述为大脑活动(粉色区域)。在多尺度范例中(右下角),用户主动与可穿戴设备互动,通过被动接收触觉通知(粉色区域)和用指尖主动探索纺织触觉带(黄色区域)来感知更多信息。背景字母和数字代表通过设备传输给用户的信息。有关多尺度触觉技术的更多信息,请参阅 Marcia K. O'Malley 及其合作者撰写的第 2300897 号文章。
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引用次数: 0
Sheet-Based Fluidic Diodes for Embedded Fluidic Circuitry in Soft Devices 用于软器件中嵌入式流体电路的片基流体二极管
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-22 DOI: 10.1002/aisy.202470030
Vi T. Vo, Anoop Rajappan, Barclay Jumet, Marquise D. Bell, Sofia Urbina, Daniel J. Preston

Flexible Sheet-Based Fluidic Diodes

In article number 2300785, Vi T. Vo, Daniel J. Preston, and co-workers introduce a soft fluidic diode made from flexible thermoplastic and textile sheets using a layered fabrication approach. This cover image illustrates the diode as a foundational component in the development of sheet-based fluidic logic systems—as both modular and integrated circuits—to enable electronics-free control of soft devices and robots. Fluidic circuits incorporating the diode provide capabilities including Boolean operations, encoding, and rectification.

基于柔性片材的流体二极管 在编号为 2300785 的文章中,Vi T. Vo、Daniel J. Preston 及其合作者介绍了一种采用分层制造方法、由柔性热塑性塑料和纺织片材制成的软流体二极管。封面图片说明了二极管是开发基于片材的流体逻辑系统(模块化和集成电路)的基础元件,可实现对软设备和机器人的无电子控制。集成二极管的流体电路具有布尔运算、编码和整流等功能。
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引用次数: 0
A Stepwise Control of Multiple Magnetic Millirobots for Flow Manipulation Applications 逐步控制多个磁性微型机器人以实现流体操纵应用
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-22 DOI: 10.1002/aisy.202470033
Dineshkumar Loganathan, Chia-Ling Hsieh, Chen-Yi Ou, Chia-Yuan Chen

Stepwise Control of Multiple Magnetic Millirobots

In article number 2300483, Chia-Yuan Chen and co-workers report an advanced motion control strategy in which multiple magnetic millirobots were controlled externally to exhibit distinct modes of motion independently for coordinative and collaborative behaviors. The presented work can serve as an initial step towards enabling collective intelligence in small-scale robotic systems aiming to realize artificial swarm intelligence technologies for various micromanipulation tasks selectively.

多个磁性微型机器人的分步控制 在编号为 2300483 的文章中,陈嘉源及其合作者报告了一种先进的运动控制策略,即从外部控制多个磁性微型机器人,使其独立地表现出不同的运动模式,以实现协调和协作行为。该研究成果可作为在小型机器人系统中实现集体智能的第一步,旨在有选择性地实现各种微操作任务的人工蜂群智能技术。
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引用次数: 0
Novel Multi-configuration Elastic Actuator with Controllable Energy Flow and Power Modulation for Dynamic Energy Robot Systems 用于动能机器人系统的具有可控能量流和功率调制功能的新型多配置弹性致动器
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-22 DOI: 10.1002/aisy.202400079
Dunwen Wei, Xiangyu Zhang, Kunjian Yang, Tao Gao, Sajjad Hussain, Fanny Ficuciello

Designing actuators that can modulate power, achieve high energy efficiency, and ensure safe collision remains a challenge, especially for dynamic energy robot systems (DERS) with high-performance requirements. Herein, a novel multi-configuration elastic actuator (MCEA) is proposed based on a controllable planetary differential mechanism (PDM) with one power port from three springs. These springs, positioned between the inner gear ring and the fixed housing shell, are regulated by a single servo motor through a ratchet–pawl mechanism. This setup enables the springs to absorb energy during collisions, reducing impact and subsequently releasing this energy to boost power output. The inner gear ring functions as a controllable one-way rotating element, acting either as an input or output for power. The MCEA's ability to manage power modulation and energy flow is demonstrated through experiments that highlight its potential for safe collision management, energy recycling, and power modulation. Experiment results indicate that the maximum output power of the MCEA in the proposed hybrid elastic actuation (HEA) mode is 8.05 times higher than that in the traditional actuation (TA) mode. A single-legged robot with a four-link mechanism is also built to validate the considerable performance in the application of legged robots, showing considerable adaptability and prospects for DERS.

设计能够调节功率、实现高能效并确保安全碰撞的致动器仍然是一项挑战,尤其是对于具有高性能要求的动能机器人系统(DERS)而言。本文提出了一种新型多配置弹性致动器(MCEA),它基于可控行星差速机构(PDM),一个动力端口来自三个弹簧。这些弹簧位于内齿圈和固定外壳之间,由一个伺服电机通过棘轮棘爪机构进行调节。这种设置使弹簧能够在碰撞过程中吸收能量,减少冲击力,随后释放能量以提高动力输出。内齿圈是一个可控的单向旋转元件,既可作为动力输入,也可作为动力输出。通过实验证明了 MCEA 管理功率调制和能量流的能力,凸显了其在安全碰撞管理、能量回收和功率调制方面的潜力。实验结果表明,混合弹性致动(HEA)模式下 MCEA 的最大输出功率是传统致动(TA)模式下的 8.05 倍。此外,还制作了一个具有四连杆机构的单腿机器人,验证了其在腿部机器人应用中的可观性能,显示了 DERS 相当大的适应性和前景。
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引用次数: 0
Soft Valves: A Review of Structures, Materials, and Modeling 软阀门:结构、材料和建模综述
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-21 DOI: 10.1002/aisy.202300764
Fenglin Han, Qixin Li, Huang Xiong, Chunli He, Haiming Zhao, Zhi Chen

Soft robots have been advancing rapidly, but their control is still limited by rigid control elements. Soft valves offer a solution to this problem by enabling soft robots to no longer rely on rigid control elements. They have become an emerging research topic in soft robotics. However, with a large number of publications on soft valves, it may be challenging for researchers to quickly grasp the advanced technology related to soft valves. To address this issue, this article summarizes the current state of development in soft valves. The design principles and applications of soft valves in terms of structures and materials are discussed, along with the modeling ideas for soft valves. Finally, the current challenges faced by soft valves are outlined, and potential solutions to these problems are proposed.

软体机器人的发展日新月异,但其控制仍受到刚性控制元件的限制。软阀为这一问题提供了解决方案,使软机器人不再依赖刚性控制元件。它们已成为软机器人领域的一个新兴研究课题。然而,由于有关软阀的论文数量众多,研究人员要想快速掌握与软阀相关的先进技术可能具有挑战性。针对这一问题,本文总结了软阀的发展现状。文章讨论了软阀门在结构和材料方面的设计原理和应用,以及软阀门的建模思路。最后,概述了软阀门目前面临的挑战,并提出了解决这些问题的潜在方案。
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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 : 2024-07-17 DOI: 10.1002/aisy.202400022
Ning Guo, Xudong Han, Shuqiao Zhong, Zhiyuan Zhou, Jian Lin, Fang Wan, Chaoyang Song

Incorporating authentic tactile interactions into virtual environments presents a notable challenge for the emerging development of soft robotic metamaterials. In this study, a vision-based approach is introduced to learning proprioceptive interactions by simultaneously reconstructing the shape and touch of a soft robotic metamaterial (SRM) during physical engagements. The SRM design is optimized to the size of a finger with enhanced adaptability in 3D interactions while incorporating a see-through viewing field inside, which can be visually captured by a miniature camera underneath to provide a rich set of image features for touch digitization. Employing constrained geometric optimization, the proprioceptive process with aggregated multi-handles is modeled. This approach facilitates real-time, precise, and realistic estimations of the finger's mesh deformation within a virtual environment. Herein, a data-driven learning model is also proposed to estimate touch positions, achieving reliable results with impressive R2 scores of 0.9681, 0.9415, and 0.9541 along the x, y, and z axes. Furthermore, the robust performance of the proposed methods in touch-based human–cybernetic interfaces and human–robot collaborative grasping is demonstrated. In this study, the door is opened to future applications in touch-based digital twin interactions through vision-based soft proprioception.

在虚拟环境中融入真实的触觉交互,是软机器人超材料新兴发展面临的一个显著挑战。本研究引入了一种基于视觉的方法,通过在物理接触过程中同时重建软机器人超材料(SRM)的形状和触感来学习本体感觉交互。SRM 的设计经过优化,只有手指大小,在三维互动中具有更强的适应性,同时内部还包含一个透视视场,可通过下方的微型摄像头进行视觉捕捉,为触摸数字化提供丰富的图像特征。利用受限几何优化,对具有聚合多手柄的本体感觉过程进行了建模。这种方法有助于在虚拟环境中对手指的网格变形进行实时、精确和逼真的估计。在此,还提出了一种数据驱动的学习模型来估计触摸位置,取得了可靠的结果,在 x、y 和 z 轴上的 R2 分数分别为 0.9681、0.9415 和 0.9541,令人印象深刻。此外,还证明了所提出的方法在基于触摸的人机交互界面和人机协作抓取中的稳健性能。这项研究为未来通过基于视觉的软本体感觉在基于触摸的数字孪生互动中的应用打开了大门。
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引用次数: 0
Clustering Methods for the Characterization of Synchrotron Radiation X-Ray Fluorescence Images of Human Carotid Atherosclerotic Plaque 同步辐射 X 射线荧光人颈动脉粥样硬化斑块图像特征的聚类方法
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-17 DOI: 10.1002/aisy.202400052
Nathaly De La Rosa, Niccolò Peruzzi, Till Dreier, My Truong, Ulf Johansson, Sebastian Kalbfleisch, Isabel Gonçalves, Martin Bech

This study employs computational algorithms to automatically identify and classify features in X-Ray fluorescence (XRF) microscopy images. Principal component analysis (PCA) and unsupervised machine learning algorithms, such as Gaussian mixture (GM) clustering, are implemented to label features on a collection of XRF maps of human atherosclerotic plaque samples. The investigation involves the hard X-Ray nanoprobe (NanoMAX) at MAX IV synchrotron radiation facility, utilizing scanning transmission X-Ray microscopy (STXM) and XRF techniques. The analysis covers regions of interest scanned by the beam with a step size of 200 nm, yielding XRF maps of elements like calcium, iron, and zinc. These maps reveal intricate structures unsuitable for manual labeling. However, they can be accurately classified in an automated fashion using GM. Prior to clustering, PCA is used to deal with repeated patterns and background areas. The resulting clusters are associated with different types of features, which can be identified as specific tissues confirmed by histology. Regions of high concentrations of phosphorus, sulfur, calcium, and iron are found in the samples. These regions are also observed in the STXM results as spots of low transmission that typically are associated with calcium deposits only.

本研究采用计算算法自动识别 X 射线荧光(XRF)显微镜图像中的特征并对其进行分类。该研究采用主成分分析(PCA)和无监督机器学习算法(如高斯混合(GM)聚类)来标记人类动脉粥样硬化斑块样本的 XRF 图谱集合上的特征。这项研究涉及 MAX IV 同步辐射设施的硬 X 射线纳米探针(NanoMAX),利用了扫描透射 X 射线显微镜(STXM)和 XRF 技术。分析范围包括光束以 200 纳米的步长扫描的感兴趣区域,得出钙、铁和锌等元素的 XRF 图谱。这些地图显示了不适合人工标记的复杂结构。不过,可以使用 GM 自动对它们进行准确分类。在进行聚类之前,先使用 PCA 处理重复模式和背景区域。由此产生的聚类与不同类型的特征相关联,这些特征可通过组织学确认为特定的组织。在样本中发现了磷、硫、钙和铁的高浓度区域。这些区域在 STXM 结果中也可观察到,通常只与钙沉积物相关的低透射点。
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引用次数: 0
Shared Awareness Across Domain-Specific Artificial Intelligence: An Alternative to Domain-General Intelligence and Artificial Consciousness 特定领域人工智能的共享意识:领域通用智能和人工意识的替代方案
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-17 DOI: 10.1002/aisy.202300740
Ophelia Deroy, Davide Bacciu, Bahador Bahrami, Cosimo Della Santina, Sabine Hauert

Creating artificial general intelligence is the solution most often in the spotlight. It is also linked with the possibility—or fear—of machines gaining consciousness. Alternatively, developing domain-specific artificial intelligence is more reliable, energy-efficient, and ethically tractable, and raises mostly a problem of effective coordination between different systems and humans. Herein, it is argued that it will not require machines to be conscious and that simpler ways of sharing awareness are sufficient.

创造人工通用智能是最受关注的解决方案。这也与机器获得意识的可能性--或者说恐惧--有关。作为替代方案,开发特定领域的人工智能更可靠、更节能、更符合道德规范,但主要涉及不同系统与人类之间的有效协调问题。在此,我们认为,这并不需要机器具有意识,更简单的共享意识方式就足够了。
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引用次数: 0
Artificial Intelligence-Driven Smart Scan: A Rapid, Automatic Approach for Comprehensive Imaging and Spectroscopy for Fast Compositional Analysis 人工智能驱动的智能扫描:用于快速成分分析的综合成像和光谱分析的快速自动方法
IF 6.8 Q1 AUTOMATION & CONTROL SYSTEMS Pub Date : 2024-07-17 DOI: 10.1002/aisy.202300745
Pavel Potocek, Cigdem Ozsoy-Keskinbora, Philipp Müller, Thorsten Wieczorek, Maurice Peemen, Philipp Slusallek, Bert Freitag

Nanomaterial properties and functionalities are influenced by their shape, size, and chemical composition. The importance of these parameters highlights the need for a statistically robust analysis of a large particle population, necessitating automation. This study introduces a neural network-empowered smart scan technique that achieves a relative increase in speed compared to traditional energy-dispersive X-ray spectroscopy (EDX) mapping. The main advantage is that it reduces the required dose, decreasing potential damage to the sample by avoiding unnecessary exposure. It holds potential use in other multimodal scanning transmission electron microscopy or scanning-based imaging approaches. In the first example, identifying particles in a matrix with a trained neural network reduces the acquisition time by two orders of magnitude. This acceleration enables a statistical compositional analysis of thousands of particles in less than 1 h. Similar improvements are observed for atomic resolution. The discrete positions of atoms identified by the trained network allow for selective EDX sampling at these centers, thereby identifying the atomic species of the column with much-reduced sampling. Consequently, a lower sampling dose is required, enabling mapping of more delicate materials with high lateral resolution and at a high statistical confidence interval. Even though manual training is still required, this approach greatly benefits repetitive quality control tasks.

纳米材料的特性和功能受其形状、尺寸和化学成分的影响。这些参数的重要性凸显了对大量粒子群进行稳健统计分析的必要性,因此必须实现自动化。本研究介绍了一种神经网络驱动的智能扫描技术,与传统的能量色散 X 射线光谱(EDX)绘图相比,该技术的速度相对提高。其主要优点是减少了所需剂量,避免了不必要的曝光,从而降低了对样品的潜在损害。它在其他多模态扫描透射电子显微镜或基于扫描的成像方法中也有潜在用途。在第一个例子中,利用训练有素的神经网络识别矩阵中的颗粒可将采集时间缩短两个数量级。在原子分辨率方面也有类似的改进。通过训练有素的网络识别原子的离散位置,可以在这些中心进行选择性 EDX 取样,从而在大大减少取样的情况下识别柱中的原子种类。因此,所需的取样剂量更低,从而能够以高横向分辨率和高统计置信区间绘制更精细的材料。尽管仍需要人工培训,但这种方法对重复性质量控制任务大有裨益。
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引用次数: 0
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Advanced intelligent systems (Weinheim an der Bergstrasse, Germany)
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