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A skin-conformal and breathable humidity sensor for emotional mode recognition and non-contact human-machine interface

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npj Flexible Electronics 2024年第1期8卷 929-937页

作者： Tongkuai Li Tingting Zhao Hao Zhang Li Yuan Congcong Cheng Junshuai Dai Longwei Xue Jixing Zhou Hai Liu Luqiao Yin Jianhua Zhang Key Laboratory of Advanced Display and System Application Ministry of EducationShanghai University149 Yanchang RoadShanghai 200072China Shanghai Key Laboratory of Intelligent Manufacturing and Robotics Shanghai University333 Nanchen RoadShanghai 200444China School of Microelectronics Shanghai University20 Chengzhong RoadShanghai 201800China

Noncontact humidity sensor overcomes the limitations of its contact sensing counterparts,including mechanical wear and cross infection,which becomes a promising candidate in healthcare and human-machine interface ***,current humidity sensors still suffer the ubiquitous issue of uncomfortable wear and skin irritation hindering the long-term *** this study,we report a skin-conformal and breathable humidity sensor assembled by anchoring MXenes-based composite into electrospun elastomer nanofibers coated with a patterned *** composite is highly sensitive to the water molecules due to its large specific surface area and abundant water-absorbing hydroxyl groups,while the elastomeric nanofibers provide an ultrathin,highly flexible,and permeable substrate to support the functional materials and *** sensor presents not only excellent air permeability(0.078 g cm^(−2)d^(−1)),high sensitivity(S=704),and fast response/recovery(0.9 s/0.9 s),but also high skin conformability and ***,this humidity sensor is confirmed to realize the recognition of motional states and emotional modes,which provides a way for the advanced noncontact human-machine interface.

关键词： composite interface conformal

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Collaborative Fall Detection and Response Using Wi-Fi Sensing and Mobile Companion Robot

Collaborative Fall Detection and Response Using Wi-Fi Sensin...

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2024 IEEE International Conference on robotics and Biomimetics, ROBIO 2024

作者： Chen, Yunwang Kang, Yaozhong Zhao, Ziqi Hong, Yue Meng, Lingxiao Meng, Max Q.-H. Southern University of Science and Technology Shenzhen Key Laboratory of Robotics Perception and Intelligence Shenzhen518055 China SUSTech Department of Electrical and Electronic Engineering Shenzhen China School of System Design and Intelligent Manufacturing SUSTech Shenzhen China

ISBN: (纸本)9781665481090

This paper presents a collaborative fall detection and response system integrating Wi-Fi sensing with robotic assistance. The proposed system leverages channel state information (CSI) disruptions caused by movements to detect falls in non-line-of-sight (NLOS) scenarios, offering non-intrusive monitoring. Besides, a companion robot is utilized to provide assistance capabilities to navigate and respond to incidents autonomously, improving efficiency in providing assistance in various environments. The experimental results demonstrate the effectiveness of the proposed system in detecting falls and responding effectively. © 2024 IEEE.

关键词： Fall detection

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POWERLINK Communication Fault Detection Method Based on Data Frames Sequence Analysis

POWERLINK Communication Fault Detection Method Based on Data...

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2022 International Conference on Signal Processing and Communication Technology, SPCT 2022

作者： Wang, Jian Xie, Chuang Dong, Ce Key Laboratory of Networked Control System ShenYang China Shenyang institute of automation Chinese academy of sciences ShenYang China Institutes for Robotics and Intelligent Manufacturing ChineseAcademy of Sciences ShenYang China

ISBN: (纸本)9781510664333

Fault diagnosis, location and maintenance of industrial networks are extremely important components of network management, which can effectively improve network availability, shorten network failure time, help improve network performance, satisfy network service quality and ensure network security. This paper proposes a communication fault detection method based on the analysis of communication protocol message flow for POWERLINK, an industrial Ethernet protocol widely used in the field of industrial communication at present. By monitoring network status and building fault judgment logic, it can analyze the rationality of message sequence and protocol consistency in the message flow so as to effectively detect the dynamic upper layer protocol fault in the network and determine the location of the fault. In order to verify the effectiveness of this method, we designed a POWERLINK network communication fault diagnosis system, which can correctly identify and analyze the wrong data frame sequence in the data message flow and finally achieve the diagnosis and location of POWERLINK network communication fault. © 2023 SPIE.

关键词： Fault detection

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Multi Robot Welding Path Planning Based on Improved Ant Colony Algorithm 11th

Multi Robot Welding Path Planning Based on Improved Ant Colo...

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11th International Workshop of Advanced manufacturing and Automation, IWAMA 2021

作者： Xu, ZiFeng Liu, Lilan Zou, Wei Xu, Tao Yuan, Shibo Shanghai Key Laboratory of Intelligent Manufacturing and Robotics Shanghai University Shanghai China Aerospace System Engineering Shanghai Shanghai China

ISBN: (纸本)9789811905711

In view of the unreasonable path planning of multiple robots in the existing BIW Welding process, the welding process of multiple robots is analyzed, the mathematical model is established, and the improved ant colony algorithm is used to calculate, so as to obtain the optimal solder joint task allocation and the optimal welding path. The program is written in Python language to solve the algorithm. The calculation results show that the improved ant colony algorithm can effectively allocate the solder joints of multiple welding robots, and plan a reasonable welding path according to the assigned solder joints. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Motion planning

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Data Acquisition and Processing of Space Docking Physics Experiment Platform 11th

Data Acquisition and Processing of Space Docking Physics Exp...

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11th International Workshop of Advanced manufacturing and Automation, IWAMA 2021

作者： Xu, Tao Liu, Lilan Zhou, Wei Yuan, Shibo Shanghai Key Laboratory of Intelligent Manufacturing and Robotics Shanghai University Shanghai China Aerospace System Engineering Shanghai Shanghai China

ISBN: (纸本)9789811905711

In order to ensure the smooth progress of space docking, it is necessary to complete the testing, inspection and acceptance of the ground subsystem of the docking mechanism through physical or semi-physical simulation. In this paper, data collection is carried out for the six-degree-of-freedom space docking physical test bed. The data may be affected by the environment during the collection process, so it is necessary to process the collected data. The denoising autoencoder algorithm is used to process the data, so as to enhance the stability and accuracy of the data set. Provide data assurance for security and feasibility. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Data acquisition

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A bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow force measurement

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Frontiers of Mechanical Engineering 2023年第2期18卷 297-317页

作者： Wendi GAO Bian TIAN Cunlang LIU Yingbiao MI Chen JIA Libo ZHAO Tao LIU Nan ZHU Ping YANG Qijing LIN Zhuangde JIANG Dong SUN State Key Laboratory for Manufacturing Systems Engineering International Joint Laboratory for Micro/Nano Manufacturing and Measurement TechnologiesOverseas Expertise Introduction Center for Micro/Nano Manufacturing and Nano Measurement Technologies Discipline InnovationXi’an Jiaotong University(Yantai)Research Institute for Intelligent Sensing Technology and SystemSchool of Mechanical EngineeringXi’an Jiaotong UniversityXi’an 710049China Shandong Laboratory of Yantai Advanced Materials and Green Manufacturing Yantai 265599China State Key Laboratory of Robotics and Systems(HIT) Harbin 150006China Beijing Advanced Innovation Center for Intelligent Robots and Systems Beijing Institute of TechnologyBeijing 100081China Department of Biomedical Engineering City University of Hong KongHong KongChina

Capacitive sensors are efficient tools for biophysical force measurement,which is essential for the exploration of cellular ***,attention has been rarely given on the influences of external mechanical and internal electrical interferences on capacitive *** this work,a bionic swallow structure design norm was developed for mechanical decoupling,and the influences of structural parameters on mechanical behavior were fully analyzed and optimized.A bionic feather comb distribution strategy and a portable readout circuit were proposed for eliminating electrostatic *** instability was evaluated,and electrostatic decoupling performance was verified on the basis of a novel measurement method utilizing four complementary comb arrays and applicationspecific integrated circuit *** electrostatic pulling experiment showed that the bionic swallow structure hardly moved by 0.770 nm,and the measurement error was less than 0.009% for the area-variant sensor and 1.118% for the gap-variant sensor,which can be easily compensated in *** proposed sensor also exhibited high resistance against electrostatic rotation,and the resulting measurement error dropped below 0.751%.The rotation interferences were less than 0.330 nm and(1.829×10^(-7))°,which were 35 times smaller than those of the traditional differential *** on the proposed bionic decoupling method,the fabricated sensor exhibited overwhelming capacitive sensitivity values of 7.078 and 1.473 pF/μm for gap-variant and area-variant devices,respectively,which were the highest among the current *** immunity to mechanical disturbances was maintained simultaneously,i.e.,less than 0.369% and 0.058% of the sensor outputs for the gap-variant and area-variant devices,respectively,indicating its great performance improvements over existing devices and feasibility in ultralow biomedical force measurement.

关键词： micro-electro-mechanical system capacitive sensor bionics operation instability mechanical and electrical decoupling biomedical force measurement

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Smart Plant Application of Autonomous Decentralized systems with the Introduction of Edge Nodes 15

Smart Plant Application of Autonomous Decentralized Systems ...

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15th International Conference on Advanced Computer Theory and Engineering, ICACTE 2022

作者： Wang, Jingyang Zou, Tao Yang, Zhijia Wang, Hongrui Key Laboratory Of Networked Control System Institutes For Robotics And Intelligent Manufacturing Shenyang Institute Of Automation Chinese Academy Of Sciences Shenyang China Guangzhou University College Of Mechanical And Electrical Engineering Guangzhou China State Key Laboratory Of Robotics Key Laboratory Of Networked Control System Institutes For Robotics And Intelligent Manufacturing Shenyang Institute Of Automation Chinese Academy Of Sciences Shenyang China University Of Chinese Academy Of Sciences Beijing China

ISBN: (数字)9781665481809

ISBN: (纸本)9781665481809

This paper illustrates the application of an autonomous decentralized system introducing edge nodes in a smart factory. The nodes include atomic nodes, the most fundamental autonomic units constituting an autonomous decentralized system that are capable of independently extracting information from the data field and processing that information internally and simultaneously transmitting the processing results and other internal information to the data field proactively in a broadcast mode, where the transmitted information circulates in the data field. The group-based data field enables the sharing of information by atomic nodes. Grouped management nodes are the managers of the whole group, and edge nodes are the terminal intelligent control units of an intelligent autonomous decentralized system. Improvements in system decentralization, fault tolerance characteristics and flexibility of the system can lead to homogenization, autonomous control and autonomous coordination in complex manufacturing environments, as well as excellent online fault tolerance, online expansion and online maintenance of the system. In addition, it enhances the ever-changing and evolving control requirements by deconstructing the complexity in the system. © 2022 IEEE.

关键词： Fault tolerance

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Frame analysis based real time related indicators measurement of industrial ethernet Powerlink 4

Frame analysis based real time related indicators measuremen...

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4th International Academic Exchange Conference on Science and Technology Innovation, IAECST 2022

作者： Wang, Jian Xie, Chuang Dong, Ce Chinese Academy of Sciences ShenYang Key Laboratory of Networked Control System Shenyang Institute of Automation Chinese Academy of Sciences Institutes for Robotics and Intelligent Manufacturing China

ISBN: (纸本)9798350320008

The protocol Powerlink which is one of real-time Ethernet protocols included in the Standard IEC FDIS61784-2, has been widely used for the communication of both IO devices in industrial fields and drives for motor control applications to provide deterministic data transmission. When the Powerlink network is running in the industrial field environment, the online measurement of time related indicators is an appropriate method to evaluate the performance of the network in real time and detect communication faults between devices. In this paper, several time related indicators are proposed and analyzed to estimate the real time performance of the network when all devices get into the operate state. Further more, an efficient method to measure the proposed indicators based on frame analysis is presented and implemented on a PC-based monitor station that stores all the frames which transfer in the network and contain timestamp added by an FPGA-based probe. The measurement method is tested on a real network consisting of one master node and two slave nodes, and some experimental results are presented. © 2022 IEEE.

关键词： Digital storage

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Analysis and diagnosis system for various industrial network protocols 6

Analysis and diagnosis system for various industrial network...

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6th International Conference on Electronic Information Technology and Computer Engineering, EITCE 2022

作者： Wang, Jian Jin, Ni Key Laboratory of Networked Control System Shenyang Institute of Automation Chinese Academy of Sciences Institutes for Robotics and Intelligent Manufacturing Chinese Academy of Sciences LiaoNing ShenYang China

ISBN: (纸本)9781450397148

For a comprehensive and systematic analysis of the communication quality in the industrial field, it is important for manufacturing enterprises to study effective diagnosis and evaluation methods and develop software tool to meet the actual needs of industrial communication networks for high quality, rapid diagnosis and positioning of anomalies. By analyzing the characteristics of various industrial network protocols, this paper studies the measurement methods of the key indicators of the real-time performance of industrial communication networks and the methods of communication anomaly diagnosis, and on this basis, designs and implements the analysis and diagnosis system for various industrial network protocols. © 2022 Association for Computing Machinery.

关键词： Quality control

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Research on a curling-like amphibious robot for ground and underwater torch relay of Beijing 2022 Winter Olympics

Research on a curling-like amphibious robot for ground and u...

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2022 International Symposium on robotics, Artificial Intelligence, and Information Engineering, RAIIE 2022

作者： Lu, Yang Tang, Yuangui Liu, Xingyu Wang, Fuli State Key Laboratory of Robotics Shenyang Institute of Automation Chinese Academy of Sciences Shenyang110016 China Institute of Robotics and Intelligent Manufacturing Innovation Chinese Academy of Sciences Shenyang110169 China Guangdong Institute of Intelligent Unmanned System Guangzhou511458 China

ISBN: (纸本)9781510660137

An innovative curling-like amphibious robot was developed for the 2022 Beijing Winter Olympics ground and underwater torch relay. The shape design of imitation curling was applied to the robot in response to the theme of Winter Olympics. The amphibious robot had ground mode and water mode. In ground mode omnidirectional wheels drove the robot to rotate and move forward. The method of constant angular velocity rotation superimposed forward motion overcame ground slip. The nonlinear control of the system was improved by applying this actuation method when the robot slipped. In water mode the X-layout horizontal thrusters and vertical thrusters were applied to sail and hover. The position, depth, attitude and heading of the robot were precisely controlled when the amphibious robot dived into water for torch docking, which was realized through DVL, heading and attitude reference system. The multiple PD controllers with large control damping and phase margin were employed for the robot's control algorithm, so the control system was not diverge when the torch was collided or squeezed. Ultimately, the first underwater torch relay between robots in Olympic history was completed at the Beijing 2022 Winter Olympics. © 2022 SPIE.

关键词： Robots

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