Small-scale soft robots with high morphological flexibility show significant potential for precise operation and sensing in confined environments.However,due to the coupled driving mechanism and the influence of envir...Small-scale soft robots with high morphological flexibility show significant potential for precise operation and sensing in confined environments.However,due to the coupled driving mechanism and the influence of environmental disturbances,the highly adaptable and stable navigation across diverse terrains through multimodal motion,which involves morphing shape and maintaining the reshaped configuration,still presents a major challenge for soft millirobots.展开更多
In recent years,the rising incidence of gastrointestinal(GI)cancer has triggered an urgent need for effective early intervention strategies.Traditional endoscopic techniques often cause patient discomfort,and it is di...In recent years,the rising incidence of gastrointestinal(GI)cancer has triggered an urgent need for effective early intervention strategies.Traditional endoscopic techniques often cause patient discomfort,and it is difficult to navigate deep regions of complex organ structures.This work proposes a kind of bio-inspired magnetic soft robot(BMSR)to address these challenges.The design of the BMSRs is inspired by the rolling motion of the golden wheel spider.Two six-degree-of-freedom(6-DOF)robotic arms are used,where one arm is responsible for real-time manipulation of the BMSRs,and the other is dedicated to monitoring their status.Under the actuation of an external rotating magnetic field,the BMSRs can flexibly climb on inclined surfaces at any angle,involving the inverted surface.Through the powerful output force,the BMSRs can overcome the mobility barrier induced by different human organs,including mucus,folds,and height differences of up to 8 cm.Such an exceptional mobility enables the BMSRs to deliver drugs in the targeted complex GI environment.Moreover,in combination with an endoscope,it provides real-time visual feedback for precise navigation.In vitro animal experiments validate the feasibility of BMSRs,paving a way for their usage in minimally invasive GI treatment.This work advances the potential applications of magnetic soft robots in the biomedical field.展开更多
Soft millirobot has attracted significant attention and demonstrated tremendous potential in humanrobot interactions and safety inspections.Locomotion and perception are two crucial features for achieving effective ga...Soft millirobot has attracted significant attention and demonstrated tremendous potential in humanrobot interactions and safety inspections.Locomotion and perception are two crucial features for achieving effective gait and practical applications of robots.Inspired by nature,this research reports a magnetic soft millirobot that integrates locomotion and sensing capacities simultaneously.Microconical matrix with rich and regular surface morphologies are constructed directly inside the millirobot as both multilegged and triboelectric-enhanced sensing structures via cooperation of jet printing and magnetization-induction method with high-speed and high-precision.The robot can both recognize its current body state across various application scenarios and identify terrains through a machine learning strategy.Our work presents a customizable approach for smart millirobots to perform tasks in nonmagnetic structured environments and provides embedded sensing capability for next-generation soft robots.展开更多
基金supported by the National Natural Science Foundation of China under grant numbers 62222305,62088101,and U22A2064the Beijing Natural Science Foundation under grant L242023the Fundamental Research Funds for the Central Universities under grants 2025CX01003 and 2024CX06008.
摘要Small-scale soft robots with high morphological flexibility show significant potential for precise operation and sensing in confined environments.However,due to the coupled driving mechanism and the influence of environmental disturbances,the highly adaptable and stable navigation across diverse terrains through multimodal motion,which involves morphing shape and maintaining the reshaped configuration,still presents a major challenge for soft millirobots.
基金supported in part by the National Natural Science Foundation of China under grant 52175556the Macao Science and Technology Development Fund under grant 0004/2022/AKP,0102/2022/A2,and 0078/2023/RIB3+1 种基金the Research Committee of the University of Macao under grants MYRG2022-00068-FST and MYRG-CRG202200004-FST-ICIthe Guangdong Basic and Applied Basic Research Foundation under grant 2023A1515011178。
摘要In recent years,the rising incidence of gastrointestinal(GI)cancer has triggered an urgent need for effective early intervention strategies.Traditional endoscopic techniques often cause patient discomfort,and it is difficult to navigate deep regions of complex organ structures.This work proposes a kind of bio-inspired magnetic soft robot(BMSR)to address these challenges.The design of the BMSRs is inspired by the rolling motion of the golden wheel spider.Two six-degree-of-freedom(6-DOF)robotic arms are used,where one arm is responsible for real-time manipulation of the BMSRs,and the other is dedicated to monitoring their status.Under the actuation of an external rotating magnetic field,the BMSRs can flexibly climb on inclined surfaces at any angle,involving the inverted surface.Through the powerful output force,the BMSRs can overcome the mobility barrier induced by different human organs,including mucus,folds,and height differences of up to 8 cm.Such an exceptional mobility enables the BMSRs to deliver drugs in the targeted complex GI environment.Moreover,in combination with an endoscope,it provides real-time visual feedback for precise navigation.In vitro animal experiments validate the feasibility of BMSRs,paving a way for their usage in minimally invasive GI treatment.This work advances the potential applications of magnetic soft robots in the biomedical field.
基金Supported by National Natural Science Foundation of China(Nos.52105472,62202311,52175446)Natural Science Foundation of Guangdong Province(Nos.2022A1515012007,2023A1515011512)+1 种基金Shenzhen Science and Technology Program(Nos.JCYJ20220818100001002)Excellent Science and Technology Creative Talent Training Program of Shenzhen(RCBS20221008093224017).
摘要Soft millirobot has attracted significant attention and demonstrated tremendous potential in humanrobot interactions and safety inspections.Locomotion and perception are two crucial features for achieving effective gait and practical applications of robots.Inspired by nature,this research reports a magnetic soft millirobot that integrates locomotion and sensing capacities simultaneously.Microconical matrix with rich and regular surface morphologies are constructed directly inside the millirobot as both multilegged and triboelectric-enhanced sensing structures via cooperation of jet printing and magnetization-induction method with high-speed and high-precision.The robot can both recognize its current body state across various application scenarios and identify terrains through a machine learning strategy.Our work presents a customizable approach for smart millirobots to perform tasks in nonmagnetic structured environments and provides embedded sensing capability for next-generation soft robots.