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  • Immune evasion by designer microrobots
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-17
    Mahmut Selman Sakar

    Recent work is unveiling the interactions between magnetic microswimmers and cells of the immune system.

    更新日期:2020-06-18
  • Elucidating the interaction dynamics between microswimmer body and immune system for medical microrobots
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-17
    Immihan Ceren Yasa, Hakan Ceylan, Ugur Bozuyuk, Anna-Maria Wild, Metin Sitti

    The structural design parameters of a medical microrobot, such as the morphology and surface chemistry, should aim to minimize any physical interactions with the cells of the immune system. However, the same surface-borne design parameters are also critical for the locomotion performance of the microrobots. Understanding the interplay of such parameters targeting high locomotion performance and low

    更新日期:2020-06-18
  • Repurposing factories with robotics in the face of COVID-19
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-17
    Ali Ahmad Malik, Tariq Masood, Rehana Kousar

    Can collaborative robots ramp up the production of medical ventilators?

    更新日期:2020-06-18
  • Drones against vector-borne diseases
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-15
    Eric Rasmussen

    Uncrewed aerial vehicles can reduce the cost of preventative measures against vector-borne diseases.

    更新日期:2020-06-15
  • Field performance of sterile male mosquitoes released from an uncrewed aerial vehicle
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-15
    J. Bouyer, N. J. Culbert, A. H. Dicko, M. Gomez Pacheco, J. Virginio, M. C. Pedrosa, L. Garziera, A. T. Macedo Pinto, A. Klaptocz, J. Germann, T. Wallner, G. Salvador-Herranz, R. Argiles Herrero, H. Yamada, F. Balestrino, M. J. B. Vreysen

    Genetic control methods of mosquito vectors of malaria, dengue, yellow fever, and Zika are becoming increasingly popular due to the limitations of other techniques such as the use of insecticides. The sterile insect technique is an effective genetic control method to manage insect populations. However, it is crucial to release sterile mosquitoes by air to ensure homogeneous coverage, especially in

    更新日期:2020-06-15
  • Transforming platelets into microrobots
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-10
    Jinjun Shi

    Biocompatible cell robots powered by urea improve drug delivery through active movement.

    更新日期:2020-06-10
  • Enzyme-powered Janus platelet cell robots for active and targeted drug delivery
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-10
    Songsong Tang, Fangyu Zhang, Hua Gong, Fanan Wei, Jia Zhuang, Emil Karshalev, Berta Esteban-Fernández de Ávila, Chuying Huang, Zhidong Zhou, Zhengxing Li, Lu Yin, Haifeng Dong, Ronnie H. Fang, Xueji Zhang, Liangfang Zhang, Joseph Wang

    Transforming natural cells into functional biocompatible robots capable of active movement is expected to enhance the functions of the cells and revolutionize the development of synthetic micromotors. However, present cell-based micromotor systems commonly require the propulsion capabilities of rigid motors, external fields, or harsh conditions, which may compromise biocompatibility and require complex

    更新日期:2020-06-10
  • Automatic tracking of free-flying insects using a cable-driven robot
    Sci. Robot. (IF 18.684) Pub Date : 2020-06-10
    Rémi Pannequin, Mélanie Jouaiti, Mohamed Boutayeb, Philippe Lucas, Dominique Martinez

    Flying insects have evolved to develop efficient strategies to navigate in natural environments. Yet, studying them experimentally is difficult because of their small size and high speed of motion. Consequently, previous studies were limited to tethered flights, hovering flights, or restricted flights within confined laboratory chambers. Here, we report the development of a cable-driven parallel robot

    更新日期:2020-06-10
  • Multifunctional surface microrollers for targeted cargo delivery in physiological blood flow
    Sci. Robot. (IF 18.684) Pub Date : 2020-05-20
    Yunus Alapan, Ugur Bozuyuk, Pelin Erkoc, Alp Can Karacakol, Metin Sitti

    Mobile microrobots offer great promise for minimally invasive targeted medical theranostic applications at hard-to-access regions inside the human body. The circulatory system represents the ideal route for navigation; however, blood flow impairs propulsion of microrobots especially for the ones with overall sizes less than 10 micrometers. Moreover, cell- and tissue-specific targeting is required for

    更新日期:2020-05-20
  • Inflatable soft jumper inspired by shell snapping
    Sci. Robot. (IF 18.684) Pub Date : 2020-05-20
    Benjamin Gorissen, David Melancon, Nikolaos Vasios, Mehdi Torbati, Katia Bertoldi

    Fluidic soft actuators are enlarging the robotics toolbox by providing flexible elements that can display highly complex deformations. Although these actuators are adaptable and inherently safe, their actuation speed is typically slow because the influx of fluid is limited by viscous forces. To overcome this limitation and realize soft actuators capable of rapid movements, we focused on spherical caps

    更新日期:2020-05-20
  • Robots and pandemics in science fiction
    Sci. Robot. (IF 18.684) Pub Date : 2020-05-13
    Robin R. Murphy

    Recent science fiction illustrates the value of ordinary robots for a pandemic.

    更新日期:2020-05-13
  • Material remodeling and unconventional gaits facilitate locomotion of a robophysical rover over granular terrain
    Sci. Robot. (IF 18.684) Pub Date : 2020-05-13
    Siddharth Shrivastava, Andras Karsai, Yasemin Ozkan Aydin, Ross Pettinger, William Bluethmann, Robert O. Ambrose, Daniel I. Goldman

    Autonomous robots and vehicles must occasionally recover from locomotion failure in loosely consolidated granular terrain. Recent mobility challenges led NASA Johnson Space Center to develop a prototype robotic lunar rover Resource Prospector 15 (RP15) capable of wheeled, legged, and crawling behavior. To systematically understand the terradynamic performance of such a device, we developed a scaled-down

    更新日期:2020-05-13
  • Bioinspired underwater legged robot for seabed exploration with low environmental disturbance
    Sci. Robot. (IF 18.684) Pub Date : 2020-05-13
    G. Picardi, M. Chellapurath, S. Iacoponi, S. Stefanni, C. Laschi, M. Calisti

    Robots have the potential to assist and complement humans in the study and exploration of extreme and hostile environments. For example, valuable scientific data have been collected with the aid of propeller-driven autonomous and remotely operated vehicles in underwater operations. However, because of their nature as swimmers, such robots are limited when closer interaction with the environment is

    更新日期:2020-05-13
  • Biofuel-powered soft electronic skin with multiplexed and wireless sensing for human-machine interfaces
    Sci. Robot. (IF 18.684) Pub Date : 2020-04-22
    You Yu, Joanna Nassar, Changhao Xu, Jihong Min, Yiran Yang, Adam Dai, Rohan Doshi, Adrian Huang, Yu Song, Rachel Gehlhar, Aaron D. Ames, Wei Gao

    Existing electronic skin (e-skin) sensing platforms are equipped to monitor physical parameters using power from batteries or near-field communication. For e-skins to be applied in the next generation of robotics and medical devices, they must operate wirelessly and be self-powered. However, despite recent efforts to harvest energy from the human body, self-powered e-skin with the ability to perform

    更新日期:2020-04-23
  • Electronic skins and machine learning for intelligent soft robots
    Sci. Robot. (IF 18.684) Pub Date : 2020-04-22
    Benjamin Shih, Dylan Shah, Jinxing Li, Thomas G. Thuruthel, Yong-Lae Park, Fumiya Iida, Zhenan Bao, Rebecca Kramer-Bottiglio, Michael T. Tolley

    Soft robots have garnered interest for real-world applications because of their intrinsic safety embedded at the material level. These robots use deformable materials capable of shape and behavioral changes and allow conformable physical contact for manipulation. Yet, with the introduction of soft and stretchable materials to robotic systems comes a myriad of challenges for sensor integration, including

    更新日期:2020-04-23
  • Actuation of untethered pneumatic artificial muscles and soft robots using magnetically induced liquid-to-gas phase transitions
    Sci. Robot. (IF 18.684) Pub Date : 2020-04-15
    Seyed M. Mirvakili, Douglas Sim, Ian W. Hunter, Robert Langer

    Pneumatic artificial muscles have been widely used in industry because of their simple and relatively high-performance design. The emerging field of soft robotics has also been using pneumatic actuation mechanisms since its formation. However, these actuators/soft robots often require bulky peripheral components to operate. Here, we report a simple mechanism and design for actuating pneumatic artificial

    更新日期:2020-04-21
  • Ladybird beetle–inspired compliant origami
    Sci. Robot. (IF 18.684) Pub Date : 2020-04-15
    Sang-Min Baek, Sojung Yim, Soo-Hwan Chae, Dae-Young Lee, Kyu-Jin Cho

    Origami can enable structures that are compact and lightweight. The facets of an origami structure in traditional designs, however, are essentially nondeformable rigid plates. Therefore, implementing energy storage and robust self-locking in these structures can be challenging. We note that the intricately folded wings of a ladybird beetle can be deployed rapidly and effectively sustain aerodynamic

    更新日期:2020-04-21
  • Combating COVID-19—The role of robotics in managing public health and infectious diseases
    Sci. Robot. (IF 18.684) Pub Date : 2020-03-25
    Guang-Zhong Yang, Bradley J. Nelson, Robin R. Murphy, Howie Choset, Henrik Christensen, Steven H. Collins, Paolo Dario, Ken Goldberg, Koji Ikuta, Neil Jacobstein, Danica Kragic, Russell H. Taylor, Marcia McNutt

    COVID-19 may drive sustained research in robotics to address risks of infectious diseases.

    更新日期:2020-03-26
  • Improving the energy economy of human running with powered and unpowered ankle exoskeleton assistance
    Sci. Robot. (IF 18.684) Pub Date : 2020-03-25
    Kirby A. Witte, Pieter Fiers, Alison L. Sheets-Singer, Steven H. Collins

    Exoskeletons that reduce energetic cost could make recreational running more enjoyable and improve running performance. Although there are many ways to assist runners, the best approaches remain unclear. In our study, we used a tethered ankle exoskeleton emulator to optimize both powered and spring-like exoskeleton characteristics while participants ran on a treadmill. We expected powered conditions

    更新日期:2020-03-26
  • An untethered isoperimetric soft robot
    Sci. Robot. (IF 18.684) Pub Date : 2020-03-18
    Nathan S. Usevitch, Zachary M. Hammond, Mac Schwager, Allison M. Okamura, Elliot W. Hawkes, Sean Follmer

    For robots to be useful for real-world applications, they must be safe around humans, be adaptable to their environment, and operate in an untethered manner. Soft robots could potentially meet these requirements; however, existing soft robotic architectures are limited by their ability to scale to human sizes and operate at these scales without a tether to transmit power or pressurized air from an

    更新日期:2020-03-19
  • Dynamic obstacle avoidance for quadrotors with event cameras
    Sci. Robot. (IF 18.684) Pub Date : 2020-03-18
    Davide Falanga, Kevin Kleber, Davide Scaramuzza

    Today’s autonomous drones have reaction times of tens of milliseconds, which is not enough for navigating fast in complex dynamic environments. To safely avoid fast moving objects, drones need low-latency sensors and algorithms. We departed from state-of-the-art approaches by using event cameras, which are bioinspired sensors with reaction times of microseconds. Our approach exploits the temporal information

    更新日期:2020-03-19
  • Autonomous cars in science fiction
    Sci. Robot. (IF 18.684) Pub Date : 2020-02-26
    Robin R. Murphy

    We view autonomous cars just like the ones in science fiction, and that could be a problem.

    更新日期:2020-02-27
  • Sustainable manufacturing of sensors onto soft systems using self-coagulating conductive Pickering emulsions
    Sci. Robot. (IF 18.684) Pub Date : 2020-02-26
    Sang Yup Kim, Youngwoo Choo, R. Adam Bilodeau, Michelle C. Yuen, Gilad Kaufman, Dylan S. Shah, Chinedum O. Osuji, Rebecca Kramer-Bottiglio

    Compliant sensors based on composite materials are necessary components for geometrically complex systems such as wearable devices or soft robots. Composite materials consisting of polymer matrices and conductive fillers have facilitated the manufacture of compliant sensors due to their potential to be scaled in printing processes. Printing composite materials generally entails the use of solvents

    更新日期:2020-02-27
  • Modeling engagement in long-term, in-home socially assistive robot interventions for children with autism spectrum disorders
    Sci. Robot. (IF 18.684) Pub Date : 2020-02-26
    Shomik Jain, Balasubramanian Thiagarajan, Zhonghao Shi, Caitlyn Clabaugh, Maja J. Matarić

    Socially assistive robotics (SAR) has great potential to provide accessible, affordable, and personalized therapeutic interventions for children with autism spectrum disorders (ASD). However, human-robot interaction (HRI) methods are still limited in their ability to autonomously recognize and respond to behavioral cues, especially in atypical users and everyday settings. This work applies supervised

    更新日期:2020-02-27
  • A ferrobotic system for automated microfluidic logistics
    Sci. Robot. (IF 18.684) Pub Date : 2020-02-26
    Wenzhuo Yu, Haisong Lin, Yilian Wang, Xu He, Nathan Chen, Kevin Sun, Darren Lo, Brian Cheng, Christopher Yeung, Jiawei Tan, Dino Di Carlo, Sam Emaminejad

    Automated technologies that can perform massively parallelized and sequential fluidic operations at small length scales can resolve major bottlenecks encountered in various fields, including medical diagnostics, -omics, drug development, and chemical/material synthesis. Inspired by the transformational impact of automated guided vehicle systems on manufacturing, warehousing, and distribution industries

    更新日期:2020-02-27
  • Autonomic perspiration in 3D-printed hydrogel actuators
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-29
    Anand K. Mishra, Thomas J. Wallin, Wenyang Pan, Patricia Xu, Kaiyang Wang, Emmanuel P. Giannelis, Barbara Mazzolai, Robert F. Shepherd

    In both biological and engineered systems, functioning at peak power output for prolonged periods of time requires thermoregulation. Here, we report a soft hydrogel-based actuator that can maintain stable body temperatures via autonomic perspiration. Using multimaterial stereolithography, we three-dimensionally print finger-like fluidic elastomer actuators having a poly-N-isopropylacrylamide (PNIPAm)

    更新日期:2020-01-29
  • A bioinspired Separated Flow wing provides turbulence resilience and aerodynamic efficiency for miniature drones
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-29
    Matteo Di Luca, Stefano Mintchev, Yunxing Su, Eric Shaw, Kenneth Breuer

    Small-scale drones have enough sensing and computing power to find use across a growing number of applications. However, flying in the low–Reynolds number regime remains challenging. High sensitivity to atmospheric turbulence compromises vehicle stability and control, and low aerodynamic efficiency limits flight duration. Conventional wing designs have thus far failed to address these two deficiencies

    更新日期:2020-01-29
  • An organosynthetic dynamic heart model with enhanced biomimicry guided by cardiac diffusion tensor imaging
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-29
    Clara Park, Yiling Fan, Gregor Hager, Hyunwoo Yuk, Manisha Singh, Allison Rojas, Aamir Hameed, Mossab Saeed, Nikolay V. Vasilyev, Terry W. J. Steele, Xuanhe Zhao, Christopher T. Nguyen, Ellen T. Roche

    The complex motion of the beating heart is accomplished by the spatial arrangement of contracting cardiomyocytes with varying orientation across the transmural layers, which is difficult to imitate in organic or synthetic models. High-fidelity testing of intracardiac devices requires anthropomorphic, dynamic cardiac models that represent this complex motion while maintaining the intricate anatomical

    更新日期:2020-01-29
  • Metal or muscle? The future of biologically inspired robots
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-22
    Barry Andrew Trimmer

    Biology has inspired the development of agile robots, and it is now teaching us how to grow machines from living cells.

    更新日期:2020-01-23
  • Human adipose–derived mesenchymal stem cell–based medical microrobot system for knee cartilage regeneration in vivo
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-22
    Gwangjun Go, Sin-Gu Jeong, Ami Yoo, Jiwon Han, Byungjeon Kang, Seokjae Kim, Kim Tien Nguyen, Zhen Jin, Chang-Sei Kim, Yu Ri Seo, Ju Yeon Kang, Ju Yong Na, Eun Kyoo Song, Yongyeon Jeong, Jong Keun Seon, Jong-Oh Park, Eunpyo Choi

    Targeted cell delivery by a magnetically actuated microrobot with a porous structure is a promising technique to enhance the low targeting efficiency of mesenchymal stem cell (MSC) in tissue regeneration. However, the relevant research performed to date is only in its proof-of-concept stage. To use the microrobot in a clinical stage, biocompatibility and biodegradation materials should be considered

    更新日期:2020-01-23
  • A vision for future bioinspired and biohybrid robots
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-22
    Barbara Mazzolai, Cecilia Laschi

    Bioinspired and biohybrid robots can help respond to diverse, sustainable application needs.

    更新日期:2020-01-23
  • Soft biohybrid morphing wings with feathers underactuated by wrist and finger motion
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-16
    Eric Chang, Laura Y. Matloff, Amanda K. Stowers, David Lentink

    Since the Wright Flyer, engineers have strived to develop flying machines with morphing wings that can control flight as deftly as birds. Birds morph their wing planform parameters simultaneously—including sweep, span, and area—in a way that has proven to be particularly challenging to embody robotically. Previous solutions have primarily centered around the classical aerospace paradigm of controlling

    更新日期:2020-01-17
  • Forging global cooperation and collaboration
    Sci. Robot. (IF 18.684) Pub Date : 2020-01-16
    Guang-Zhong Yang, Tong Boon Quek, Stefano Stramigioli, Han Ding, Dong Sun, Junku Yuh

    As researchers create better robots, major robotics initiatives and government funding programs need better international cooperation and collaboration.

    更新日期:2020-01-17
  • A tale of two explanations: Enhancing human trust by explaining robot behavior
    Sci. Robot. (IF 18.684) Pub Date : 2019-12-18
    Mark Edmonds, Feng Gao, Hangxin Liu, Xu Xie, Siyuan Qi, Brandon Rothrock, Yixin Zhu, Ying Nian Wu, Hongjing Lu, Song-Chun Zhu

    The ability to provide comprehensive explanations of chosen actions is a hallmark of intelligence. Lack of this ability impedes the general acceptance of AI and robot systems in critical tasks. This paper examines what forms of explanations best foster human trust in machines and proposes a framework in which explanations are generated from both functional and mechanistic perspectives. The robot system

    更新日期:2019-12-19
  • A formal methods approach to interpretable reinforcement learning for robotic planning
    Sci. Robot. (IF 18.684) Pub Date : 2019-12-18
    Xiao Li, Zachary Serlin, Guang Yang, Calin Belta

    Growing interest in reinforcement learning approaches to robotic planning and control raises concerns of predictability and safety of robot behaviors realized solely through learned control policies. In addition, formally defining reward functions for complex tasks is challenging, and faulty rewards are prone to exploitation by the learning agent. Here, we propose a formal methods approach to reinforcement

    更新日期:2019-12-19
  • An autonomous untethered fast soft robotic insect driven by low-voltage dielectric elastomer actuators
    Sci. Robot. (IF 18.684) Pub Date : 2019-12-18
    Xiaobin Ji, Xinchang Liu, Vito Cacucciolo, Matthias Imboden, Yoan Civet, Alae El Haitami, Sophie Cantin, Yves Perriard, Herbert Shea

    Insects are a constant source of inspiration for roboticists. Their compliant bodies allow them to squeeze through small openings and be highly resilient to impacts. However, making subgram autonomous soft robots untethered and capable of responding intelligently to the environment is a long-standing challenge. One obstacle is the low power density of soft actuators, leading to small robots unable

    更新日期:2019-12-19
  • XAI—Explainable artificial intelligence
    Sci. Robot. (IF 18.684) Pub Date : 2019-12-18
    David Gunning, Mark Stefik, Jaesik Choi, Timothy Miller, Simone Stumpf, Guang-Zhong Yang

    Explainability is essential for users to effectively understand, trust, and manage powerful artificial intelligence applications.

    更新日期:2019-12-19
  • Explainable robotics in science fiction
    Sci. Robot. (IF 18.684) Pub Date : 2019-12-18
    Robin R. Murphy

    Would we trust a robot? Science fiction says no, but explainable robotics may find a way.

    更新日期:2019-12-19
  • Bioinspired dual-morphing stretchable origami
    Sci. Robot. (IF 18.684) Pub Date : 2019-11-27
    Woongbae Kim, Junghwan Byun, Jae-Kyeong Kim, Woo-Young Choi, Kirsten Jakobsen, Joachim Jakobsen, Dae-Young Lee, Kyu-Jin Cho

    Nature demonstrates adaptive and extreme shape morphing via unique patterns of movement. Many of them have been explained by monolithic shape-changing mechanisms, such as chemical swelling, skin stretching, origami/kirigami morphing, or geometric eversion, that were successfully mimicked in artificial analogs. However, there still remains an unexplored regime of natural morphing that cannot be reproduced

    更新日期:2019-11-28
  • A robotic Intelligent Towing Tank for learning complex fluid-structure dynamics
    Sci. Robot. (IF 18.684) Pub Date : 2019-11-27
    D. Fan, G. Jodin, T. R. Consi, L. Bonfiglio, Y. Ma, L. R. Keyes, G. E. Karniadakis, M. S. Triantafyllou

    We describe the development of the Intelligent Towing Tank, an automated experimental facility guided by active learning to conduct a sequence of vortex-induced vibration (VIV) experiments, wherein the parameters of each next experiment are selected by minimizing suitable acquisition functions of quantified uncertainties. This constitutes a potential paradigm shift in conducting experimental research

    更新日期:2019-11-28
  • Using the fringe field of a clinical MRI scanner enables robotic navigation of tethered instruments in deeper vascular regions
    Sci. Robot. (IF 18.684) Pub Date : 2019-11-27
    Arash Azizi, Charles C. Tremblay, Kévin Gagné, Sylvain Martel

    Navigating tethered instruments through the vasculatures to reach deeper physiological locations presently inaccessible would extend the applicability of many medical interventions, including but not limited to local diagnostics, imaging, and therapies. Navigation through narrower vessels requires minimizing the diameter of the instrument, resulting in a decrease of its stiffness until steerability

    更新日期:2019-11-28
  • Dynamic locomotion synchronization of bipedal robot and human operator via bilateral feedback teleoperation
    Sci. Robot. (IF 18.684) Pub Date : 2019-10-30
    Joao Ramos, Sangbae Kim

    Despite remarkable progress in artificial intelligence, autonomous humanoid robots are still far from matching human-level manipulation and locomotion proficiency in real applications. Proficient robots would be ideal first responders to dangerous scenarios such as natural or man-made disasters. When handling these situations, robots must be capable of navigating highly unstructured terrain and dexterously

    更新日期:2019-11-01
  • Magnetic quadrupole assemblies with arbitrary shapes and magnetizations
    Sci. Robot. (IF 18.684) Pub Date : 2019-10-30
    Hongri Gu, Quentin Boehler, Daniel Ahmed, Bradley J. Nelson

    Magnetic dipole-dipole interactions govern the behavior of magnetic matter across scales from micrometer colloidal particles to centimeter magnetic soft robots. This pairwise long-range interaction creates rich emergent phenomena under both static and dynamic magnetic fields. However, magnetic dipole particles, from either ferromagnetic or paramagnetic materials, tend to form chain-like structures

    更新日期:2019-11-01
  • Teaching robots social autonomy from in situ human guidance
    Sci. Robot. (IF 18.684) Pub Date : 2019-10-23
    Emmanuel Senft, Séverin Lemaignan, Paul E. Baxter, Madeleine Bartlett, Tony Belpaeme

    Striking the right balance between robot autonomy and human control is a core challenge in social robotics, in both technical and ethical terms. On the one hand, extended robot autonomy offers the potential for increased human productivity and for the off-loading of physical and cognitive tasks. On the other hand, making the most of human technical and social expertise, as well as maintaining accountability

    更新日期:2019-10-24
  • Your mileage may vary
    Sci. Robot. (IF 18.684) Pub Date : 2019-10-23
    Elena Messina

    Rigorous experiments enabling reproducibility are needed to advance the rapidly growing field of robotics more efficiently.

    更新日期:2019-10-24
  • Minimal navigation solution for a swarm of tiny flying robots to explore an unknown environment
    Sci. Robot. (IF 18.684) Pub Date : 2019-10-23
    K. N. McGuire, C. De Wagter, K. Tuyls, H. J. Kappen, G. C. H. E. de Croon

    Swarms of tiny flying robots hold great potential for exploring unknown, indoor environments. Their small size allows them to move in narrow spaces, and their light weight makes them safe for operating around humans. Until now, this task has been out of reach due to the lack of adequate navigation strategies. The absence of external infrastructure implies that any positioning attempts must be performed

    更新日期:2019-10-24
  • A robot made of robots: Emergent transport and control of a smarticle ensemble
    Sci. Robot. (IF 18.684) Pub Date : 2019-09-18
    William Savoie, Thomas A. Berrueta, Zachary Jackson, Ana Pervan, Ross Warkentin, Shengkai Li, Todd D. Murphey, Kurt Wiesenfeld, Daniel I. Goldman

    Robot locomotion is typically generated by coordinated integration of single-purpose components, like actuators, sensors, body segments, and limbs. We posit that certain future robots could self-propel using systems in which a delineation of components and their interactions is not so clear, becoming robust and flexible entities composed of functional components that are redundant and generic and can

    更新日期:2019-09-19
  • Tuna robotics: A high-frequency experimental platform exploring the performance space of swimming fishes
    Sci. Robot. (IF 18.684) Pub Date : 2019-09-18
    J. Zhu, C. White, D. K. Wainwright, V. Di Santo, G. V. Lauder, H. Bart-Smith

    Tuna and related scombrid fishes are high-performance swimmers that often operate at high frequencies, especially during behaviors such as escaping from predators or catching prey. This contrasts with most fish-like robotic systems that typically operate at low frequencies (< 2 hertz). To explore the high-frequency fish swimming performance space, we designed and tested a new platform based on yellowfin

    更新日期:2019-09-19
  • Optical lace for synthetic afferent neural networks
    Sci. Robot. (IF 18.684) Pub Date : 2019-09-11
    Patricia A. Xu, A. K. Mishra, H. Bai, C. A. Aubin, L. Zullo, R. F. Shepherd

    Whereas vision dominates sensing in robots, animals with limited vision deftly navigate their environment using other forms of perception, such as touch. Efforts have been made to apply artificial skins with tactile sensing to robots for similarly sophisticated mobile and manipulative skills. The ability to functionally mimic the afferent sensory neural network, required for distributed sensing and

    更新日期:2019-09-12
  • Consecutive aquatic jump-gliding with water-reactive fuel
    Sci. Robot. (IF 18.684) Pub Date : 2019-09-11
    R. Zufferey, A. Ortega Ancel, A. Farinha, R. Siddall, S. F. Armanini, M. Nasr, R. V. Brahmal, G. Kennedy, M. Kovac

    Robotic vehicles that are capable of autonomously transitioning between various terrains and fluids have received notable attention in the past decade due to their potential to navigate previously unexplored and/or unpredictable environments. Specifically, aerial-aquatic mobility will enable robots to operate in cluttered aquatic environments and carry out a variety of sensing tasks. One of the principal

    更新日期:2019-09-12
  • Ultragentle manipulation of delicate structures using a soft robotic gripper
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-28
    Nina R. Sinatra, Clark B. Teeple, Daniel M. Vogt, Kevin Kit Parker, David F. Gruber, Robert J. Wood

    Here, we present ultragentle soft robotic actuators capable of grasping delicate specimens of gelatinous marine life. Although state-of-the-art soft robotic manipulators have demonstrated gentle gripping of brittle animals (e.g., corals) and echinoderms (e.g., sea cucumbers) in the deep sea, they are unable to nondestructively grasp more fragile soft-bodied organisms, such as jellyfish. Through an

    更新日期:2019-08-29
  • Multifunctional metallic backbones for origami robotics with strain sensing and wireless communication capabilities
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-28
    Haitao Yang, Bok Seng Yeow, Zhipeng Li, Kerui Li, Ting-Hsiang Chang, Lin Jing, Yang Li, John S. Ho, Hongliang Ren, Po-Yen Chen

    The tight integration of actuation, sensing, and communication capabilities into origami robots enables the development of new-generation functional robots. However, this task is challenging because the conventional materials (e.g., papers and plastics) for building origami robots lack design opportunities for incorporating add-on functionalities. Installing external electronics requires high system

    更新日期:2019-08-29
  • An actuatable soft reservoir modulates host foreign body response
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-28
    E. B. Dolan, C. E. Varela, K. Mendez, W. Whyte, R. E. Levey, S. T. Robinson, E. Maye, J. O’Dwyer, R. Beatty, A. Rothman, Y. Fan, J. Hochstein, S. E. Rothenbucher, R. Wylie, J. R. Starr, M. Monaghan, P. Dockery, G. P. Duffy, E. T. Roche

    The performance of indwelling medical devices that depend on an interface with soft tissue is plagued by complex, unpredictable foreign body responses. Such devices—including breast implants, biosensors, and drug delivery devices—are often subject to a collection of biological host responses, including fibrosis, which can impair device functionality. This work describes a milliscale dynamic soft reservoir

    更新日期:2019-08-29
  • Ferromagnetic soft continuum robots
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-28
    Yoonho Kim, German A. Parada, Shengduo Liu, Xuanhe Zhao

    Small-scale soft continuum robots capable of active steering and navigation in a remotely controllable manner hold great promise in diverse areas, particularly in medical applications. Existing continuum robots, however, are often limited to millimeter or centimeter scales due to miniaturization challenges inherent in conventional actuation mechanisms, such as pulling mechanical wires, inflating pneumatic

    更新日期:2019-08-29
  • A soft matter computer for soft robots
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-21
    M. Garrad, G. Soter, A. T. Conn, H. Hauser, J. Rossiter

    Despite the growing interest in soft robotics, little attention has been paid to the development of soft matter computational mechanisms. Embedding computation directly into soft materials is not only necessary for the next generation of fully soft robots but also for smart materials to move beyond stimulus-response relationships and toward the intelligent behaviors seen in biological systems. This

    更新日期:2019-08-22
  • Untethered soft robotic matter with passive control of shape morphing and propulsion
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-21
    Arda Kotikian, Connor McMahan, Emily C. Davidson, Jalilah M. Muhammad, Robert D. Weeks, Chiara Daraio, Jennifer A. Lewis

    There is growing interest in creating untethered soft robotic matter that can repeatedly shape-morph and self-propel in response to external stimuli. Toward this goal, we printed soft robotic matter composed of liquid crystal elastomer (LCE) bilayers with orthogonal director alignment and different nematic-to-isotropic transition temperatures (TNI) to form active hinges that interconnect polymeric

    更新日期:2019-08-22
  • Soft phototactic swimmer based on self-sustained hydrogel oscillator
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-21
    Yusen Zhao, Chen Xuan, Xiaoshi Qian, Yousif Alsaid, Mutian Hua, Lihua Jin, Ximin He

    Oscillations are widely found in living organisms to generate propulsion-based locomotion often driven by constant ambient conditions, such as phototactic movements. Such environment-powered and environment-directed locomotions may advance fully autonomous remotely steered robots. However, most man-made oscillations require nonconstant energy input and cannot perform environment-dictated movement.

    更新日期:2019-08-22
  • MXene artificial muscles based on ionically cross-linked Ti3C2Tx electrode for kinetic soft robotics
    Sci. Robot. (IF 18.684) Pub Date : 2019-08-21
    Sima Umrao, Rassoul Tabassian, Jaehwan Kim, Van Hiep Nguyen, Qitao Zhou, Sanghee Nam, Il-Kwon Oh

    Existing ionic artificial muscles still require a technology breakthrough for much faster response speed, higher bending strain, and longer durability. Here, we report an MXene artificial muscle based on ionically cross-linked Ti3C2Tx with poly(3,4 ethylenedioxythiophene)-poly(styrenesulfonate), showing ultrafast rise time of within 1 s in DC responses, extremely large bending strain up to 1.37% in

    更新日期:2019-08-22
  • Insect-scale fast moving and ultrarobust soft robot
    Sci. Robot. (IF 18.684) Pub Date : 2019-07-31
    Yichuan Wu, Justin K. Yim, Jiaming Liang, Zhichun Shao, Mingjing Qi, Junwen Zhong, Zihao Luo, Xiaojun Yan, Min Zhang, Xiaohao Wang, Ronald S. Fearing, Robert J. Full, Liwei Lin

    Mobility and robustness are two important features for practical applications of robots. Soft robots made of polymeric materials have the potential to achieve both attributes simultaneously. Inspired by nature, this research presents soft robots based on a curved unimorph piezoelectric structure whose relative speed of 20 body lengths per second is the fastest measured among published artificial insect-scale

    更新日期:2019-08-01
  • Microwheels on microroads: Enhanced translation on topographic surfaces
    Sci. Robot. (IF 18.684) Pub Date : 2019-07-31
    Tao Yang, Andrew Tomaka, Tonguc O. Tasci, Keith B. Neeves, Ning Wu, David W. M. Marr

    Microbot locomotion is challenging because of the reversible nature of microscale fluid flow, a limitation that can be overcome by breaking flowfield symmetry with a nearby surface. We have used this strategy with rotating wheel-shaped microbots, microwheels (μwheels), that roll on surfaces leading to enhanced propulsion and fast translation speeds. Despite this, studies to date on flat surfaces show

    更新日期:2019-08-01
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