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学者姓名：魏发南
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Abstract ：
Abdominal and intrauterine adhesions are common postoperative problems that can cause serious complications. Current adhesives are usually double sided and suffer from poor wet adhesion, nondegradability, and monofunctionality, which limits their application in preventing postoperative adhesions. Herein, a bioinspired microstructured Janus bioadhesive, named OD/GM@PG, with a wet adhesive inner layer and an antiadhesive outer layer is prepared by combining electrostatic spun and adhesive materials. By using both capillary suction and a catechol-based strategy, the wet adhesive strength and interfacial toughness of the Janus bioadhesive reach 98 kPa and 325 J m-2, respectively, which are much higher than those of commercial fibrin glues and cyanoacrylate glues. The electrostatic spun outer layer acts as a physical barrier with antiadhesive and friction-reducing effects. Additionally, the Janus bioadhesive demonstrates biodegradable, hemostatic, antioxidative, anti-inflammatory, and prohealing properties. In vivo results show that the asymmetric adhesion effect of the Janus bioadhesive effectively preventing postoperative abdominal and intrauterine adhesions. Notably, tandem mass tags-labeled quantitative proteomics analysis demonstrate that the expression of inflammatory response-associated proteins (S100A8, S100A9) is associated with adhesion; the Janus bioadhesive significantly downregulates this expression. Therefore, the OD/GM@PG Janus bioadhesive is a promising candidate for preventing postoperative adhesions. A bioinspired microstructured Janus bioadhesive with an asymmetric structure and adhesion behavior is prepared by combining electrostatic spinning and adhesive materials. By employing capillary suction and a catechol-based strategy, the Janus bioadhesive exhibits impressive wet adhesive strength and interfacial toughness. Furthermore, the asymmetric adhesion effect of the Janus bioadhesive effectively alleviates postoperative abdominal and intrauterine adhesions. image
Keyword ：
capillary suction capillary suction fertility restoration fertility restoration Janus bioadhesive Janus bioadhesive preventing postoperative adhesion preventing postoperative adhesion wet adhesion wet adhesion
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| GB/T 7714 | Lv, Yicheng , Cai, Fengying , Zhao, Xingkai et al. Bioinspired Microstructured Janus Bioadhesive for the Prevention of Abdominal and Intrauterine Adhesions [J]. | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (21) . |
| MLA | Lv, Yicheng et al. "Bioinspired Microstructured Janus Bioadhesive for the Prevention of Abdominal and Intrauterine Adhesions" . | ADVANCED FUNCTIONAL MATERIALS 34 . 21 (2024) . |
| APA | Lv, Yicheng , Cai, Fengying , Zhao, Xingkai , Zhu, Xintao , Wei, Fanan , Zheng, Yunquan et al. Bioinspired Microstructured Janus Bioadhesive for the Prevention of Abdominal and Intrauterine Adhesions . | ADVANCED FUNCTIONAL MATERIALS , 2024 , 34 (21) . |
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Cardiovascular disease is becoming the leading cause of human mortality. In order to address this, flexible continuum robots have emerged as a promising solution for miniaturizing and automating vascular interventional equipment for diagnosing and treating cardiovascular diseases. However, existing continuum robots used for vascular intervention face challenges such as large cross-sectional sizes, inadequate driving force, and lack of navigation control, preventing them from accessing cerebral blood vessels or capillaries for medical procedures. Additionally, the complex manufacturing process and high cost of soft continuum robots hinder their widespread clinical application. In this study, we propose a thermally drawn-based microtubule soft continuum robot that overcomes these limitations. The proposed robot has cross-sectional dimensions several orders of magnitude smaller than the smallest commercially available conduits, and it can be manufactured without any length restrictions. By utilizing a driving strategy based on liquid kinetic energy advancement and external magnetic field for steering, the robot can easily navigate within blood vessels and accurately reach the site of the lesion. This innovation holds the potential to achieve controlled navigation of the robot throughout the entire blood vessel, enabling in situ diagnosis and treatment of cardiovascular diseases.
Keyword ：
cardiovascular cardiovascular magnetic driving magnetic driving microtubule soft continuum robot microtubule soft continuum robot submillimeter submillimeter thermal drawing thermal drawing
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| GB/T 7714 | Wang, Xufeng , Liu, Wei , Luo, Qinzhou et al. Thermally Drawn-Based Microtubule Soft Continuum Robot for Cardiovascular Intervention [J]. | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (23) : 29783-29792 . |
| MLA | Wang, Xufeng et al. "Thermally Drawn-Based Microtubule Soft Continuum Robot for Cardiovascular Intervention" . | ACS APPLIED MATERIALS & INTERFACES 16 . 23 (2024) : 29783-29792 . |
| APA | Wang, Xufeng , Liu, Wei , Luo, Qinzhou , Yao, Ligang , Wei, Fanan . Thermally Drawn-Based Microtubule Soft Continuum Robot for Cardiovascular Intervention . | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (23) , 29783-29792 . |
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In recent years, designing a soft robot that can jump continuously and quickly explore in a narrow space has been a hot research topic. With the continuous efforts of researchers, many types of actuators have been developed and successfully employed to actuate the rapid locomotion of soft robots. Although these mechanisms have enabled soft robots with excellent movement capabilities, they largely rely on external energy supply cables, which greatly limits their applications. Therefore, it is still a big challenge to realize the unconstrained movement of the soft robot and the flexible adjustment of the movement direction in a narrow space. Here, a wireless magnetically controlled soft jumping robot with single-leg is proposed, which can achieve continuous and rapid jumping motion. What's more interesting is that by changing the frequency and waveform of the control signal, this soft robot can easily switch between forward and backward motions. This motion direction switching function enables the magnetically controlled soft robot to return to the initial position without adjusting the direction when it completes the operation in a narrow pipe or takes the wrong path, which greatly improves the motion efficiency of the soft jumping robot and broadens its application field.
Keyword ：
Bidirectional motion Bidirectional motion Jumping Jumping Magnetically controlled Magnetically controlled Soft robot Soft robot Wireless Wireless
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| GB/T 7714 | Zhong, Tianliang , Wei, Fanan , Zhai, Zhushan et al. An Untethered Miniature Soft Jumping Robot Inspired by Quadrupeds [J]. | JOURNAL OF BIONIC ENGINEERING , 2023 , 20 (4) : 1467-1480 . |
| MLA | Zhong, Tianliang et al. "An Untethered Miniature Soft Jumping Robot Inspired by Quadrupeds" . | JOURNAL OF BIONIC ENGINEERING 20 . 4 (2023) : 1467-1480 . |
| APA | Zhong, Tianliang , Wei, Fanan , Zhai, Zhushan , Yang, Wenguang . An Untethered Miniature Soft Jumping Robot Inspired by Quadrupeds . | JOURNAL OF BIONIC ENGINEERING , 2023 , 20 (4) , 1467-1480 . |
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Low-dimensional nanomaterials are receiving widespread attention as one ideal material for manufacturing high-performance electronic switches, which play an important role in improving the reliability, working speed and miniaturization of electron devices. This article reviews 16 classes of low-dimensional nanomaterials used to prepare or refine micro-/nanoelectromechanical switches, molecular electrical switches, resistive switches for memory, molecular switches, spin switches and radio frequency switches. By classifying the size difference into zero-dimensional (0D) nanomaterials, one-dimensional (1D) nanomaterials and two-dimensional (2D) nanomaterials, the effect of nanomaterials on the switching performance and the progress of application in related electronic devices are reviewed. By comparison, we discovered the advantages of low-dimensional nanomaterial-based electronic switches compared to conventional semiconductor switches. Finally, the development direction, challenges and opportunities of low-dimensional nanomaterials for improving electronic device performance are presented, and future research directions are predicted.
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| GB/T 7714 | Zhang, Linchen , Xu, Ke , Wei, Fanan . Fabrication of electronic switches based on low-dimensional nanomaterials: a review [J]. | JOURNAL OF MATERIALS SCIENCE , 2023 , 58 (5) : 2087-2110 . |
| MLA | Zhang, Linchen et al. "Fabrication of electronic switches based on low-dimensional nanomaterials: a review" . | JOURNAL OF MATERIALS SCIENCE 58 . 5 (2023) : 2087-2110 . |
| APA | Zhang, Linchen , Xu, Ke , Wei, Fanan . Fabrication of electronic switches based on low-dimensional nanomaterials: a review . | JOURNAL OF MATERIALS SCIENCE , 2023 , 58 (5) , 2087-2110 . |
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Abstract ：
In recent years,designing a soft robot that can jump continuously and quickly explore in a narrow space has been a hot research topic.With the continuous efforts of researchers,many types of actuators have been developed and successfully employed to actuate the rapid locomotion of soft robots.Although these mechanisms have enabled soft robots with excellent movement capabilities,they largely rely on external energy supply cables,which greatly limits their applications.Therefore,it is still a big challenge to realize the unconstrained movement of the soft robot and the flexible adjustment of the movement direction in a narrow space.Here,a wireless magnetically controlled soft jumping robot with single-leg is proposed,which can achieve continuous and rapid jumping motion.What's more interesting is that by changing the frequency and waveform of the control signal,this soft robot can easily switch between forward and backward motions.This motion direction switch-ing function enables the magnetically controlled soft robot to return to the initial position without adjusting the direction when it completes the operation in a narrow pipe or takes the wrong path,which greatly improves the motion efficiency of the soft jumping robot and broadens its application field.
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| GB/T 7714 | Tianliang Zhong , Fanan Wei , Zhushan Zhai et al. An Untethered Miniature Soft Jumping Robot Inspired by Quadrupeds [J]. | 仿生工程学报（英文版） , 2023 , 20 (4) : 1467-1480 . |
| MLA | Tianliang Zhong et al. "An Untethered Miniature Soft Jumping Robot Inspired by Quadrupeds" . | 仿生工程学报（英文版） 20 . 4 (2023) : 1467-1480 . |
| APA | Tianliang Zhong , Fanan Wei , Zhushan Zhai , Wenguang Yang . An Untethered Miniature Soft Jumping Robot Inspired by Quadrupeds . | 仿生工程学报（英文版） , 2023 , 20 (4) , 1467-1480 . |
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As an important branch of robotics, soft robots have the advantages of strong flexibility, a simple structure, and high safety. These characteristics enable soft robots to be widely used in various fields such as biomedicine, military reconnaissance, and micro space exploration. However, contemporary soft crawling robots still face problems such as the single drive mode and complex external equipment. In this study, we propose an innovative design of an inchworm-like soft crawling robot utilizing the synergistic interaction of electricity and moisture for its hybrid dual-drive locomotion. The legs of the soft robot are mainly made of GO-CNT/PE composite film, which can convert its own volume expansion into a corresponding bending motion after being stimulated by electricity or moisture. Unlike other drive methods, it requires less power and precision from external devices. The combination of the two driving methods greatly improves the environmental adaptability of the soft robot, and we developed visible light as the driving method on the basis of the dual drive. Finally, we also verified the robot's excellent load capacity, climbing ability, and optical drive effect, which laid the foundation for the application of soft robots in the future.
Keyword ：
biomimetic biomimetic electric-moisture drive electric-moisture drive GO-CNT/PE film GO-CNT/PE film inchworm inchworm soft robot soft robot
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| GB/T 7714 | Wang, Xufeng , Pu, Wei , Zhang, Ruichen et al. Inchworm-like Soft Robot with Multi-Responsive Bilayer Films [J]. | BIOMIMETICS , 2023 , 8 (5) . |
| MLA | Wang, Xufeng et al. "Inchworm-like Soft Robot with Multi-Responsive Bilayer Films" . | BIOMIMETICS 8 . 5 (2023) . |
| APA | Wang, Xufeng , Pu, Wei , Zhang, Ruichen , Wei, Fanan . Inchworm-like Soft Robot with Multi-Responsive Bilayer Films . | BIOMIMETICS , 2023 , 8 (5) . |
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Traditional pneumatic soft actuators have been widely used in the field of soft robotics owing to their high output force and large deformation capabilities. However, their bulky pumping systems pose limitations on their portability and miniaturization. In this study, we propose a method of PVA film-assisted manufacturing chamber and design an electrothermal soft actuator based on a phase change material. The actuator makes the phase change material filled in the chamber change into the vapor phase by heating from the embedded electrothermal wire, thus driving the actuator to deform. The actuator designed in this article can achieve a unilateral deformation of 17 mm and an output force of 0.265 N at a voltage of 5 V (the weight of the actuator itself is 1.5 g). In addition, based on the absolute node coordinate method, we adopt the hyperelastic material model, which can well describe the large deformation behavior of this soft structure, to model the actuator.
Keyword ：
absolutenode coordinate method absolutenode coordinate method electrothermal softactuator electrothermal softactuator low voltage drive low voltage drive phase change material phase change material pneumatic actuators pneumatic actuators
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| GB/T 7714 | Wei, Fanan , Zhai, Zhushan , Yang, Lingyun . Low-Voltage-Driven Soft Electrothermal Actuators Based on Phase-Change Materials [J]. | ACS APPLIED ELECTRONIC MATERIALS , 2023 . |
| MLA | Wei, Fanan et al. "Low-Voltage-Driven Soft Electrothermal Actuators Based on Phase-Change Materials" . | ACS APPLIED ELECTRONIC MATERIALS (2023) . |
| APA | Wei, Fanan , Zhai, Zhushan , Yang, Lingyun . Low-Voltage-Driven Soft Electrothermal Actuators Based on Phase-Change Materials . | ACS APPLIED ELECTRONIC MATERIALS , 2023 . |
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为了解决多目标跟踪（MOT）算法中由于模糊行人特征造成的身份切换（IDS）等跟踪问题，并验证行人外观在跟踪过程中的重要性，提出了一种基于中心点检测模型的注意力自相关网络（ASCN）。首先，对原图进行通道和空间注意力网络的学习以获得两种不同的特征图，并对深度信息完成解耦；然后，通过特征图之间的自相关性学习，获得更加准确的行人外观特征和行人方位信息，并将这些信息用于关联过程的跟踪；此外，制作了低帧率条件下视频的跟踪数据集，以验证改进算法的性能。在视频帧率条件不理想时，改进算法利用ASCN获取了行人外观信息，相较于仅利用方位信息的跟踪算法具有更好的准确率和鲁棒性。最后，将改进算法在MOT Challenge的MOT17数据集上进行测试。实验结果表明，与不加入ASCN的FairMOT(Fairness in MOT)相比，改进算法的跟踪平均准确率（MOTA）和识别F值（IDF1）指标分别提高了0.5和1.1个百分点，IDS数减少了32.2%，且在单卡NVIDIA Tesla V100上的运行速度达到了每秒21.2帧，这验证了改进算法不仅减少了跟踪过程中的错误，也提升了整体跟踪效果，且能够满足实时性要求。
Keyword ：
低帧率 低帧率 多目标跟踪 多目标跟踪 注意力机制 注意力机制 深度学习 深度学习 行人特征 行人特征
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| GB/T 7714 | 窦光义 , 魏发南 , 邱创一 et al. 基于注意力自相关机制的跟踪外观特征 [J]. | 计算机应用 , 2023 , 43 (04) : 1248-1254 . |
| MLA | 窦光义 et al. "基于注意力自相关机制的跟踪外观特征" . | 计算机应用 43 . 04 (2023) : 1248-1254 . |
| APA | 窦光义 , 魏发南 , 邱创一 , 巢建树 . 基于注意力自相关机制的跟踪外观特征 . | 计算机应用 , 2023 , 43 (04) , 1248-1254 . |
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In order to eliminate mechanical friction in the mobile laser table for micro machining, a new maglev platform jointly driven by three sets of levitated subunits was proposed in this paper. Firstly, the platform structure and working principle were introduced. The three sets of subunits had the same structure, consisting of permanent magnets and electromagnetic coils; the force of the coils applying on the permanent magnets was analyzed, and the plane range in which the maglev platform could achieve stable levitation was discussed. Secondly, the in-plane dynamics model of the maglev platform was established, and the equation of the transformation relationship between the displacement of the subunit and that of the platform was built. Subsequently, based on the decentralized control strategy, the corresponding fuzzy proportional-derivative controller of the subunit system was designed. Finally, a physical platform was built, and the static levitation experiment, step response experiment, and two-axis combined working experiment were conducted on the platform. The results show that the maglev platform can ignore the motion control in the vertical direction within the plane range of ±2 mm, and it has a root mean squared error in the x direction of only 2.95 μm and a maximum tracking error of 11 μm during static levitation. Meanwhile, the maglev platform has a motion displacement of 4 mm and two-axis combined working ability. © 2023 Science Press. All rights reserved.
Keyword ：
Decentralized control Decentralized control Finite element method Finite element method Magnetic levitation Magnetic levitation Mean square error Mean square error Micromachining Micromachining Permanent magnets Permanent magnets Simulation platform Simulation platform
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| GB/T 7714 | Wei, Fanan , Liu, Ying . Two-Degree-of-Freedom Maglev Platform for Micro Machining [J]. | Journal of Southwest Jiaotong University , 2023 , 58 (6) : 1318-1327 . |
| MLA | Wei, Fanan et al. "Two-Degree-of-Freedom Maglev Platform for Micro Machining" . | Journal of Southwest Jiaotong University 58 . 6 (2023) : 1318-1327 . |
| APA | Wei, Fanan , Liu, Ying . Two-Degree-of-Freedom Maglev Platform for Micro Machining . | Journal of Southwest Jiaotong University , 2023 , 58 (6) , 1318-1327 . |
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本发明提出可空中对接和分离的高压电线巡检和维护装置，其特征在于：所述巡检和维护装置包括控制模块，还包括能以对接结构在空中对接和分离的运输部和垃圾清理部；所述对接结构包括运输部的承接凸台(40)和垃圾清理部的对接扩口(39)；所述垃圾清理部包括机械臂和能在高压电线上移动的行走轮；当本装置对高压电线执行垃圾清理维护时，运输部把垃圾清除部运送至高压电线的待清理位置处并将其挂置于高压电线上，使垃圾清理部在与运输部分离后，能以其行走轮挂接于高压电线处移动，并以机械臂对高压电线处的垃圾进行清理；本发明能解决现存高压电线垃圾清除装置清除时效率低下，安全系数低以及清除后安全隐患大等问题。
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| GB/T 7714 | 魏发南 , 王序锋 . 可空中对接和分离的高压电线巡检和维护装置 : CN202111521239.X[P]. | 2021-12-14 00:00:00 . |
| MLA | 魏发南 et al. "可空中对接和分离的高压电线巡检和维护装置" : CN202111521239.X. | 2021-12-14 00:00:00 . |
| APA | 魏发南 , 王序锋 . 可空中对接和分离的高压电线巡检和维护装置 : CN202111521239.X. | 2021-12-14 00:00:00 . |
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