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2nd International Conference on Modeling in Mechanics and Materials

作者： Qi, F. Meng, S.H. Wu, P. Guo, H. Zhao, D. Chen, T. School of Mechanical and Electric Engineering and Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou215021 China Science and Technology on Advanced Composites in Special Environment Laboratory Harbin Institute of Technology Harbin150080 China Artificial Organ Laboratory Bio-manufacturing Research Centre School of Mechanical and Electric Engineering Soochow University Suzhou215021 China Jiangsu Provincial Key Laboratory of Advanced Robotics Robotics and Microsystems Center Soochow University Suzhou215021 China

The effect of the oxidation structure on the residual strength of ZrB2-SiC composite after repeated thermal shocks was investigated. The silica-rich glasses on the oxidation surface and pores in the oxidation layer were characterized using the fractal geometry method. Their fractal dimensions were calculated by Box-counting method. The increase of silica-rich glasses and the decrease of pores contributed to the increase of the residual strength of ZrB2-SiC after thermal shocks. © Published under licence by IOP Publishing Ltd.

关键词： Thermal shock

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Review on polishing of atomic-level surfaces for potassium dihydrogen phosphate

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Tribology International 2024年 198卷

作者： Meng, Fanning Zhang, Zhenyu Zeng, Zinuo Fan, Cheng Gu, Yang Gao, Fei Luo, Hao Wang, Jianmei Li, Guo School of Mechanical Engineering Hangzhou Dianzi University Hangzhou 310018 China State Key Laboratory of High-performance Precision Manufacturing Dalian University of Technology Dalian 116024 China College of Management Science Chengdu University of Technology Chengdu 610059 China Jiangsu Provincial Key Laboratory of Advanced Robotics School of Mechanical and Electrical Engineering Soochow University Suzhou 215021 China Institute of Development for Science and Technology Hainan University Haikou 570228 China Department of Mechanical Engineering Tsinghua University Beijing 100084 China Luoyang Bearing Research Institute Co. Ltd Luoyang 471039 China Baoshan Longi Silicon Material Co. Ltd Baoshan 678315 China School of Mechanical Engineering Taiyuan University of Science and Technology Taiyuan 030024 China Research Center of Laser Fusion China Academy of Engineering Physics Mianyang 621900 China

Potassium dihydrogen phosphate (KDP) is a key material for inertial confinement fusion and nonlinear optic devices. However, KDP is soft-brittle, deliquescent and temperature-sensitive, making it become a difficult-to-process crystal. Even that, high-performance devices of KDP strictly require atomic-level surfaces, rising a challenge for ultra-precision machining. Due to the nature of deliquescence of KDP, traditional polishing methods are disabled to machine it. As a result, it is significant to summarize advanced polishing methods to achieving atomic-level surfaces of KDP. This review presents the fluid jet polishing, deliquescent polishing and chemical mechanical polishing (CMP) for KDP. It indicates that CMP with rare earth could obtain atomic-level surfaces and the lowest subsurface damages. Finally, future polishing directions on KDP are proposed and discussed. © 2024 Elsevier Ltd

关键词： Atomic surface Atomic-level polishing Chemical mechanical polishing KDP

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Hundred body length velocity self-actuating platinum micromotor in H_2O_2

Hundred body length velocity self-actuating platinum micromo...

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IEEE International Conference on Nano/Micro Engineered and Molecular Systems

作者： Chenyi Gu Zhan Yang Provincial Jiangsu Key Laboratory for Advanced Robotics and Collaborative Innovation Center of Suzhou Nano Science and Technology soochow university Suzhou China

Catalytic micromotors exhibit self-propulsion in the presence of chemical fuels such as hydrogen peroxide, glucose. Generally, micromotors use a catalyst as a part of their structure for the decomposition of a chemical fuel. Several applications such as active drug delivery, minimally-invasive surgery, and water remediation, have been envisaged. In the paper, high speed platinum micromotor in hydrogen peroxide (H_2O_2) solution was reported. Platinum micromotor was fabricated by template electrochemical deposition in 1 g/L H_2PtCl_6 and 30 g/L H_3BO_3 solution. The length and diameter of the micromotor are about 2.5 μm and 0.4 μm. The speed of the micromotor was up to 365 μm/s in 20% H_2O_2 solutions.

关键词： Micromotors Platinum Electrodes Gold Ultrasonic imaging Propulsion Microscopy

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Magnetic Continuum Robot for Intelligent Manipulation in Medical Applications

SmartBot

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SmartBot 2025年

作者： Yuanbiao Ma Xuanyu An Qijun Yang Mingxue Cai Zhiqiang Tang Jinke Chang Veronica Iacovacci Tiantian Xu Li Zhang Qianqian Wang Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments School of Mechanical Engineering Southeast University Nanjing China Guangdong Provincial Key Laboratory of Robotics and Intelligent System Shenzhen Institute of Advanced Technology Chinese Academy of Sciences Shenzhen China Department of Mechanical Engineering National University of Singapore Queenstown Singapore Department of Engineering Science University of Oxford Oxford UK Department of Surgical Biotechnology Division of Surgery & Interventional Science Centre for Biomaterials in Surgical Reconstruction and Regeneration University College London London UK BioRobotics Institute Scuola Superiore Sant’Anna Pisa Italy Department of Excellence in Robotics & AI Scuola Superiore Sant’Anna Pisa Italy Department of Mechanical and Automation Engineering The Chinese University of Hong Kong Hong Kong China Chow Yuk Ho Technology Center for Innovative Medicine The Chinese University of Hong Kong Hong Kong China Multi-Scale Medical Robotics Center Hong Kong Science Park Hong Kong China

Magnetic continuum robots (MCRs) have garnered substantial attention as a new class of flexible robotic systems capable of navigating complex and confined spaces with remarkable dexterity. By combining continuous, deformable structures with remotely applied magnetic fields, MCRs achieve contactless, remote manipulation, making them well-suited for medical applications. This review introduces recent advances in MCR research, focusing on design principles, structural configurations, and control strategies. Various MCR designs and structures, including those integrated with permanent magnets, magnetic matter, ferromagnetic sphere, and micro coil, are discussed. Furthermore, different magnetic actuation platforms are introduced, and the level of MCR automation is classified based on control strategies. key intelligent manipulation capabilities of MCRs, including navigation, delivery, printing, grasping, imaging, and sensing are explored. Finally, future development priorities and directions are identified to provide insights for advancing intelligent robotic systems.

关键词： intelligent manipulation magnetic actuation magnetic continuum robot medical application

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Large field-of-view super-resolution image obtained by manipulating submerged microsphere

Large field-of-view super-resolution image obtained by manip...

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International Conference on Mechanical, Electric and Industrial Engineering, MEIE 2018

作者： Gao, Shilin Meng, Kai Yang, Zhan Liu, Huicong Chen, Tao Sun, Lining Jiangsu Provincial Key Laboratory of Advanced Robotics Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou215123 China

Images with super-resolution can be obtained by dielectric microspheres with appropriate refractive index. However, in practical applications, the microsphere must be moved to the desired position and can scan the large specific area. Here we present a simple method of positioning a microsphere by using a four-dimensional precision translation stage. The simulations have been performed to confirm that 16 μm φ barium titanate glass (BTG) microsphere submerged in alcohol can obtain high quality images and the influence of the probe and the flowing liquid on imaging can be ignored. Therefore, by driving the translation stage, the submerged microsphere can scan the sample surface along the X and Y axis at the speed of 10 μm/s and the large field-of-view image can be achieved by stitching the pictures of different positions. This work has provided a new technique in super-resolution imaging and can be widely applied in field of scientific research. © Published under licence by IOP Publishing Ltd.

关键词： Microspheres

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Non-contact optical super-resolution imaging study based on height-variable microsphere

Non-contact optical super-resolution imaging study based on ...

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International Conference on Mechanical, Electric and Industrial Engineering, MEIE 2018

作者： Meng, Kai Gao, Shilin Yang, Zhan Liu, Huicong Chen, Tao Sun, Lining Jiangsu Provincial Key Laboratory of Advanced Robotics Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou215123 China

Super-resolution images can be achieved by coupling the microscale dielectric microsphere with white-light optical microscopy. This paper presented a method for adjusting the distance between microsphere and sample to study the imaging ability of the microsphere. By this method, the nanofeatures on the Blu-ray disc surface could be observed. The super-resolution images when microspheres at different heights were compared to analyse the changing trend of imaging ability with distance. The optical simulation results illustrated that super-resolution imaging ability was related to the position of the photonic nanojet. As the photonic nanojet was inside the sample, the super-resolution image could be achieved even if the microspheres didn't touch the sample. This work has great significance for manipulating microsphere to non-contact image. © Published under licence by IOP Publishing Ltd.

关键词： Microspheres

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A New OEW Microfluidic Device based on p-n Junction

A New OEW Microfluidic Device based on p-n Junction

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IEEE International Conference on robotics and Biomimetics

作者： Yaqing Li Haibo Huang Liguo Chen Su Yan Lining Sun School of Mechanical and Electric Engineering Jiangsu Provincial Key Laboratory of Advanced Robotics Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Su Zhou China

Compared with the electrowetting on dielectric (EWOD) microfluidic device, optoelectrowetting (OEW) microfluidic device does not need to control the on-off of single electrode, but only needs to change the lighting condition to control the droplet, simplifying the peripheral control device and improving the stability of the device. The contradiction between the operating voltage and the driving force exists in the existing OEW device. To solve this problem, this paper proposes an OEW device based on diode structure, which uses the photoelectric effect of the diode connected in the DC circuit to control the movement state of the droplet. In this paper, the feasibility of the OEW device with pn structure is theoretically analyzed. Compared with the previous OEW device, under the same applied voltage and the same illumination difference, the potential difference between the diodes in the new device will be significantly larger than the potential difference between the photoresistors, which will effectively improve the driving force of the DC drive.

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Large Scale and Flexile Triboelectric Nanogenerator Based on Roll-to-roll UV Embossing Fabrication 18

Large Scale and Flexile Triboelectric Nanogenerator Based on...

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18th International Conference on Nanotechnology, NANO 2018

作者： Sun, Ming Liu, Huicong Chen, Tao Yang, Zhan Sun, Lining School of Mechanical and Electric Engineering Jiangsu Provincial Key Laboratory of Advanced Robotics Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou China

ISBN: (纸本)9781538653364

Harvesting energy from ambient mechanical motions is an effective and feasible method for solving limitations of conventional batteries. In this article, a highperformance large-scale and flexible triboelectric nanogenerator (TENG) for harvesting ambient mechanical energy is demonstrated. It has many advantages, such as easy scalability, good flexibility, high performance and low cost. The TENG works at cycled contact-separation mode between polyethylene terephthalate (PET) and Cu film. The performance is remarkably improved by patterning microstructures on PET film. Power density of the TENG can reach to 0.47 mW/cm3. The power obtained from the TENG is capable of lighting up as many as 105 LEDs instantaneously. © 2018 IEEE.

关键词： Nanogenerators

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Cooperative Carbon Nanotube Nanomanipulation For Field Effect Transistor

Cooperative Carbon Nanotube Nanomanipulation For Field Effec...

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IEEE International Conference on Nano/Micro Engineered and Molecular Systems

作者： Donglei Chen Lining Sun Zhan Yang Toshio Fukuda Tao Chen Provincial Jiangsu Key Laboratory for Advanced Robotics and Collaborative Innovation Center of Suzhou Nano Science and Technology soochow university Suzhou China Department of Micro-Nano Systems Engineering Nagoya University Janpan

In this paper, based on the operating environment of scanning electron microscope (SEM), the cooperative control of carbon nanotubes by controlling multi-operator hand was realized by controlling the robot operator with multiple degrees of freedom. Firstly, the carbon nanotube was picked up from the bulk by the nano manipulations. Then the nanotube was transferred on the surface of the metal electrode of the chip using the two nano manipulations and fixed on by electron beam induced deposition (EBID). In this robotics manipulation system, operation and assembly of carbon nanotube were successfully realized. The voltage-current property of the carbon nanotube was also evaluated in the SEM.

关键词： Carbon nanotubes Electrodes Scanning electron microscopy Metals Robots Probes Electron beams

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Motion control of nanomanipulation platform based on feedforward compensation inside SEM

Motion control of nanomanipulation platform based on feedfor...

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IEEE International Conference on Nano/Micro Engineered and Molecular Systems

作者： Mingyu Wang Lining Sun Zhan Yang Toshio Fukuda Tao Chen Provincial Jiangsu Key Laboratory for Advanced Robotics and Collaborative Innovation Center of Suzhou Nano Science and Technology soochow university Suzhou China Department of Micro-Nano Systems Engineering Nagoya University Japan

With the rapid development and wide application of nanotechnology, nanodevice manufacturing with nanotechnology as its core has become one of the key research areas in nanotechnology. Micro-nano operating system based on scanning electron microscope (SEM) is one of the methods to realize nanodevice manufacturing. SmarAct nanomanipulation platform is an important component of micro-nano operating system, which can realize linear motion in three-dimensional space. However, due to mechanical structure and assembly errors, the SmarAct nanomanipulation platform cannot meet the stable requirements during motion. In this paper, the visual feedback and image processing are used to describe the motion trajectory of SmarAct operator. Based on the motion mechanism of SmarAct operator, the error source is analyzed, at the same time, the motion error is modeled according to the motion trajectory. The feedforward compensation is used to realize the stable linear motion of SmarAct operator, and the interpolation algorithm is used to realize the trajectory motion control of the SmarAct nanomanipulation platform.

关键词： Trajectory Scanning electron microscopy Operating systems Carbon nanotubes Interpolation Real-time systems

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