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| 1 | Multi-functional stretchable and flexible sensor array to determine the location, shape, and pressure: Application in a smart robot显示文摘The rapid increase in the aging population prompts the development of wearable devices and sophisticated robots. With their ability to collect complex information about their surroundings via e-skins, robots could perform more dynamic and variable tasks such as rescue missions or caring for the elderly. In this paper, we present a new concept of utilizing a very simple, highly flexible and stretchable capacitor sensor array, that can be attached on the surface of a retractable robot hand to realize three functions: determining the location, shape, and pressure of an object. This adaptive sensing system is accomplished using capacitors connected by aligned carbon nanotube(CNT) films constructed on an elastomer dielectric material, which can reduce the requirement on the accuracy of the machine vision system. This study has a very broad application in the manufacture of intelligent software robots. | HAN LiBiao DING JianNing WANG Shuai XU Jiang YUAN NingYi CHENG GuangGui LIU ZunFeng | 2018 | Science China(Technological Sciences)2018，61，8： | 9 |
| 2 | Study on DV-Hop algorithm based on modifying hop count for wireless sensor networks显示文摘 | Ding Jianning Zhang Li Cheng Guanggui | 2012 | IJCSET2012，2，10： | 1 |
| 3 | Temperature-responsive peristome-structured smart surface for the unidirectional controllable motion of large droplets显示文摘The manipulation of fast,unidirectional motion for large droplets shows important applications in the fields of fog collection and biochemical reactions.However,driving large droplets(>5μL)to move directionally and quickly remains challenging due to the nonnegligible volume force.Herein,we fabricated a scalable,bionic peristome substrate with a microcavity width of 180μm using a 3D printing method,which could unidirectionally drive a large water droplet(~8μL)at a speed reaching 12.5 mm/s by temperature-responsive wettability.The substrate surface was grafted with PNIPAAm,which could reversibly change its wettability in response to temperature,thereby enabling a temperature-responsive smart surface that could regulate droplet movement in real-time by changing the temperature.A series of temperature-responsive smart patterns were designed to induce water transport along specific paths to further realize controllable droplet motion with the antibacterial treatment of predesignated areas.The ability to achieve temperature-responsive unidirectional motion and dynamic control of droplet movement could allow programmable fluidic biosensors and precision medical devices. | Yunyun Song Jialei Yang Xu Zhang Zhongqiang Zhang Xinghao Hu Guanggui Cheng Yan Liu Guojun Lv Jianning Ding | 2023 | Microsystems & Nanoengineering2023，9，5： | 0 |
| 4 | Coiled Polymer Artificial Muscles Having Dual-Mode Actuation with Large Stress Generation显示文摘Coiled polymer artificial muscles with both large tensile stroke and giant force generation are needed for practical applications in robotics,soft exosuits,and prosthesis.However,most polymer yarn artificial muscles cannot generate a large force or stress.Here,we report an inexpensive Twisted and Coiled Polymer artificial muscle(TCP)that performs both large isobaric and isometric contractions.This TCP can generate a tensile stroke of 20.1%and a specific work capacity of up to 1.3 kJ kg^(−1) during temperature changes from 20 to 180℃.Moreover,the nylon yarn artificial muscle produced a reversible output stress of 28.4 MPa,which is 100 times larger than human skeletal muscle.A robot arm and a simple gripper were made to demonstrate the isobaric actuation and isometric actuation of our TCP muscle,repectivley.Thus,the polymer artificial muscles with dual-mode actuation show potential applications in the field of robotics,grippers,and exoskeletons and so on. | Xinghao Hu Runmin Liu Kai Zhao Yilun Wang Xianfu Bao Lin Xu Guanggui Cheng Jianning Ding | 2023 | Journal of Bionic Engineering2023，20，4： | 0 |
| 5 | High Performance Soft Electrochemical Actuators Based on Hierarchical Conductive Polymer Ionogels显示文摘Electrochemical actuators based on conductive polymers are emerging as a strong competitive in the field of soft actuators because of their intrinsically conformable/elastic nature,low cost,low operating voltage and air-working ability.Recent development has shown that adding electroactive materials,such as CNT and graphene,can improve their actuation performance.Despite the complex material systems used,their output strains(one of the key factors)are generally lower than 1%,which limited further applications of them in multiple scenarios.Here,we report soft electrochemical actuators based on conductive polymer ionogels by embedding polyaniline particles between the PEDOT:PSS nanosheets.Results show that such a hierarchical structure not only leads to a high conductivity(1250 S/cm)but also improved electrochemical activities.At a low operating voltage of 1 V,the maximum strain of these soft actuators reaches an exceptional value of 1.5%,with a high blocking force of 1.3 mN.Using these high-performance electrochemical actuators,we demonstrate soft grippers for manipulating object and a bionic flower stimulated by an electrical signal.This work sets an important step towards enabling the enhanced performance of electrochemical actuators based on conductive polymers with designed microstructures. | Hongwei Hu Shengtao Zhang Yan Li Xinghao Hu Lin Xu Aixin Feng Guanggui Cheng Jianning Ding | 2023 | Journal of Bionic Engineering2023，20，6： | 0 |
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