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震撼!不用电机的手术机器人诞生,灵感来自水蛭,已能精准切除肠道肿瘤
机器人大讲堂· 2025-08-25 12:10
结 直 肠 癌 手 术 迎 来 新 突 破 。 澳 大 利 亚 新 南 威 尔 士 大 学 ( UNSW ) 的 研 究 团 队 以 " Development of a Bioinspired Soft Robotic System for Teleoperated Endoscopic Surgery " 为题, 在中国科技期刊卓越行 动计划二期英文梯队期刊Cyborg and Bionic Systems 上发表文章 , 开发出一套全新的软体机器人手术系 统。 这套系统最大的亮点是:完全不需要电机驱动,仅靠液压传动就能实现精准的内窥镜手术操作。更有趣 的是,研究人员从水蛭身上获得灵感,设计出独特的三爪抓持器,能够像水蛭吸盘一样牢牢抓住组织。在离体 猪肠实验中, 该系统成功完成了病变组织的抓取、提升和电切除全过程,展现出在狭窄肠道空间内进行精准 手术的潜力。 原文链接: https://spj.science.org/doi/abs/10.34133/cbsystems.0289 ▍ 为什么要做软体手术机器人? 结直肠癌是全球第三大常见癌症,死亡率居高不下。内窥镜黏膜下剥离术(ESD)作为早期结直肠癌的重 ...
为软体机器人穿上“铠甲”!受虾类启发,中国团队造出刚柔并济的机械外骨骼
机器人大讲堂· 2025-08-23 04:07
想象一下,机器臂能像章鱼触手一样灵活缠绕,又能瞬间变得如钢铁般坚硬,稳稳提起重物。这看似是软体机 器人领域一个遥不可及的梦想。而现在,这一愿景正逐渐照进现实。 来自军事科学院国防科技创新研究院的软体机器人外骨骼文章登上《 Science Advances》杂志封面 如今 软体机器人是机器人领域一个迅速发展的分支 , 其核心特点在于利用柔性材料构建机器人的主体和执 行机构,使之能够实现连续、大范围的形变运动。但是,一个致命的 "软肋"长期阻碍着它们走出实验室。材 料柔软带来更好的顺应性和安全性,却也导致其结构刚度低、输出力有限,难以完成诸如重物抓取、大力操控 等任务。为了让它"硬起来",研究人员们尝试了种种方案:可变刚度材料、颗粒阻塞、液器压力锁紧……但 它们往往在刚度变化范围、响应速度或系统复杂性上存在局限。 正是在这一技术背景下,来自 中国军事科学院国防科技创新研究院的研究团队 从自然界的虾蛄等生物中获得 灵感,这些生物的外骨骼精巧地融合了刚性与柔性区域,使其在保持身体灵活的同时又足够坚固以承受巨大的 冲击力。 仿照这种 "刚性-柔性耦合"的设计原理,他们成功开发出一种基。 近日,该成果以 Origami ...
央视报道!哈工程最新研制成果“机器鱼”,4000米深海行动自如!
机器人大讲堂· 2025-08-20 02:14
Core Viewpoint - The article discusses the development and significance of a new soft-bodied underwater robot that utilizes innovative electro-hydraulic actuation technology, enabling it to operate effectively in extreme deep-sea environments, overcoming the limitations of traditional rigid robots [4][10][22]. Group 1: Technology and Innovation - The soft-bodied robot measures 32 cm in length, has an 18 cm wingspan, and weighs only 670 grams, showcasing exceptional adaptability to deep-sea conditions [1][7]. - Traditional rigid robots struggle in the deep sea due to high pressure and complex environments, making soft-bodied robots a more suitable solution due to their flexible structure and minimal environmental interference [3][4]. - The research team led by Professor Li Guorui from Harbin Engineering University has pioneered the use of electro-hydraulic actuators (EHA) for deep-sea soft-bodied robots, which do not rely on external pumps, thus allowing for a more compact and flexible design [4][10]. Group 2: Design Features - The robot features a wave-shaped tail for propulsion, buoyancy modules for stability, and an integrated optical sensing module for height adjustment, enabling it to monitor its distance from the seabed continuously [7][9]. - It incorporates a micro deep-sea optical sensing system that allows real-time perception of its motion and environmental targets, enhancing its operational capabilities in extreme conditions [9][10]. Group 3: Performance and Testing - The research team successfully tested the robot in various depths, including a deployment at 3176 meters in the South China Sea, where it demonstrated reliable maneuverability and sensing capabilities under extreme pressure and complex flow conditions [17][21]. - The robot's innovative design allows it to perform complex trajectory movements and low-disturbance detection, marking a significant advancement in deep-sea exploration technology [22][24]. Group 4: Future Implications - The development of this soft-bodied robot represents a breakthrough in deep-sea exploration, providing a powerful tool for marine scientific research, resource exploration, and environmental monitoring [22][10]. - The integration of artificial intelligence and robotics is expected to drive significant advancements in ocean development, making the ocean economy a vital growth point for coastal regions [22].
《Science Robotics》发表哈工程新成果:电液驱动软体机器人解锁深海探测新路线!
机器人圈· 2025-08-14 11:05
Core Viewpoint - The research conducted by the Harbin Engineering University team presents a novel deep-sea soft robot that operates autonomously, showcasing significant advancements in underwater robotics technology [3][5][17]. Group 1: Research and Development - The research was a collaborative effort involving Harbin Engineering University, Zhejiang University, and the China Ship Scientific Research Center, and it has been validated in various deep-sea environments, including depths of 1369 meters and 4070 meters [5][15]. - The robot measures approximately 32 cm in length and 18 cm in wingspan, weighing only 670 grams, and is designed to withstand extreme underwater pressure without a rigid shell [7][11]. Group 2: Technical Innovations - The robot utilizes an electrohydraulic drive mechanism inspired by the "electrohydrodynamics" phenomenon, allowing for precise control of its flexible components through the directional flow of dielectric fluid [11][13]. - A unique "electrohydraulic, plasticized medium integration" strategy was developed to maintain the flexibility of the polymer shell while ensuring efficient actuation, utilizing surrounding seawater as an alternating electrode to enhance performance [13][15]. Group 3: Functional Capabilities - The robot is equipped with a miniaturized energy control system that enables coordinated movement, allowing it to perform various maneuvers such as straight-line motion and turns in response to electrical signals [13][15]. - It features a micro deep-sea optical sensing system that provides real-time awareness of its movement and environmental targets, enhancing its capabilities for near-bottom sensing in extreme conditions [13][15]. Group 4: Testing and Future Directions - The team conducted extensive sea trials, demonstrating the robot's ability to perform complex trajectory movements and environmental sensing tasks in challenging underwater conditions [15][20]. - Future research will focus on interdisciplinary integration of driving, sensing, and communication systems for small deep-sea soft robots, aiming to overcome challenges related to material durability and system reliability [20].
Science Robotics最新封面!软体机器人给植物"无痛打针",成功率超91%!
机器人大讲堂· 2025-06-13 15:27
Core Viewpoint - Cornell University's scientists have developed a soft robot designed to inject substances into plant leaves, significantly improving the precision and reducing damage compared to traditional methods [1][2][12]. Group 1: Challenges in Plant Injection - Traditional methods for injecting substances into plant leaves are inefficient and often cause significant damage, with injury rates reaching up to 113.8% [6][7]. - The leaf's defense mechanisms, such as small stomatal openings and hydrophobic surfaces, complicate the injection process [6][5]. Group 2: Soft Robot Design - The soft robot features a sandglass-shaped actuator that generates substantial force while minimizing lateral expansion, allowing for effective injection without causing excessive movement [10][11]. - The robot can exert a force of 168.47 ± 5.34 Newtons (approximately equivalent to 17 kg) and can extend 43.55 ± 3.1 mm, showcasing impressive performance in the field of soft actuators [11]. Group 3: Injection Method and Success Rate - The "stamping" injection method allows for a gentle application of liquid into the leaf, achieving an injection success rate of over 91% and significantly reducing damage to the plant [11][12]. - The injection area is 12 times larger than traditional methods, with damage rates as low as 3.6% for sunflower leaves and zero damage for cotton leaves [11][12]. Group 4: Innovative Applications - The AquaDust nanosensor can be injected into leaves to monitor water levels in real-time, providing a non-destructive method for assessing plant hydration [16][17]. - Genetic modification using Agrobacterium can be performed by injecting genes into leaves, allowing for visual tracking of gene expression through color changes [16][17]. Group 5: Future Implications for Agriculture - The research opens new avenues for soft robotics in agriculture, enabling precise care for individual plants and potentially revolutionizing agricultural practices [20][21]. - The cost of the device is approximately $155, which could decrease significantly with mass production, making it accessible for agricultural applications [20].
水下机器人秀出新型“肌肉”:光驱动致动器性能超越哺乳动物肌肉
机器人圈· 2025-05-27 09:05
以下文章来源于机器人技术与应用 ,作者T 机器人技术与应用 . 传播企业信息和市场行情,交流业内创新成果,推动行业技术进步。宣传报道国内外机器人技术领域最新技术、 成果和信息,促进企业转型升级,搭建产学研交流平台。 韩国科研团队近日在水下机器人驱动技术领域取得重大突破,成功研制出可在水下自由运行的全光控人工肌肉系统。 这种基于光化学响应材料的新型致动器,在水下环境中展现出超越生物肌肉的强劲动力性能,为无缆化智能水下装备 发展开辟全新路径。 实验数据显示,新型光驱动肌肉的单次能量密度达到 15 千焦 / 立方米,是哺乳动物骨骼肌的两倍以上。更令人瞩目 的是,其产生的驱动应变超过同类光化学材料的 3 倍,且经过百次循环测试后仍保持稳定性能。研究团队通过特殊设 计的螺旋弹簧结构,成功将分子层面的形变放大为宏观机械运动,并实现驱动方向的可逆调控。 在水下演示中,装载该人工肌肉的机器人原型展现出卓越的作业能力:可精准抓取不同形状物体,在复杂管道内自由 穿行,甚至完成精细的协同操作任务。与现有技术相比,该系统彻底摆脱了电缆、电池或液压管路的束缚,真正实现 了 " 全光驱动 " 的革新理念。 " 这项突破不仅解决了水下机器 ...