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Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering最新文献

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Oxidation mechanism of high-volume fraction SiCp/Al composite under laser irradiation and subsequent machining 高体积分数SiCp/Al复合材料激光辐照及后续加工氧化机理研究
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-14 DOI: 10.1063/10.0019628
Hanliang Liu, G. Zhao, Zhiwen Nian, Zhipeng Huang, Kai Yang, Conghua Liu, Peng Wang, Zhenkuan Diao
{"title":"Oxidation mechanism of high-volume fraction SiCp/Al composite under laser irradiation and subsequent machining","authors":"Hanliang Liu, G. Zhao, Zhiwen Nian, Zhipeng Huang, Kai Yang, Conghua Liu, Peng Wang, Zhenkuan Diao","doi":"10.1063/10.0019628","DOIUrl":"https://doi.org/10.1063/10.0019628","url":null,"abstract":"","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47124483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An optical tweezer-based microdroplet imaging technology 基于光学镊子的微滴成像技术
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-13 DOI: 10.1063/10.0019602
Cong Zhai, Yujian Hong, Zuzeng Lin, Yulu Chen, Han Wang, Tong Guo, Chunguang Hu
{"title":"An optical tweezer-based microdroplet imaging technology","authors":"Cong Zhai, Yujian Hong, Zuzeng Lin, Yulu Chen, Han Wang, Tong Guo, Chunguang Hu","doi":"10.1063/10.0019602","DOIUrl":"https://doi.org/10.1063/10.0019602","url":null,"abstract":"","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42270186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Methods for fatigue-life estimation: A review of the current status and future trends 疲劳寿命估算方法：现状和未来趋势综述
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-01 DOI: 10.1063/10.0017255
Lufan Zhang, Boshi Jiang, Pengqi Zhang, Heng Yan, Xiangbo Xu, Ruizhuo Liu, Jingjing Tang, Caixia Ren
{"title":"Methods for fatigue-life estimation: A review of the current status and future trends","authors":"Lufan Zhang, Boshi Jiang, Pengqi Zhang, Heng Yan, Xiangbo Xu, Ruizhuo Liu, Jingjing Tang, Caixia Ren","doi":"10.1063/10.0017255","DOIUrl":"https://doi.org/10.1063/10.0017255","url":null,"abstract":"With the development of modern industry and ever more complex structural loads, the possibility of fatigue failure is increasing. Fatigue analysis can be used to evaluate the service life of components and reduce the probability of accidents. Therefore, the development and application of fatigue-analysis technology have important research significance. This paper collects information from a wide field of literature and summarizes the current status of fatigue-analysis research. It covers related theoretical knowledge, fatigue-life prediction methods, and fatigue design methods and their application scenarios, and it summarizes the challenges and research hotspots in the field. On the basis of this examination, future development directions of fatigue-life prediction methods are proposed. The conclusions will have a certain guiding role in the development of fatigue-analysis methods.","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45589491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A precision-drive hysteresis model with an equal-density weight function for GMA feedforward compensation 基于等密度权函数的GMA前馈补偿精度驱动滞后模型
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-01 DOI: 10.1063/10.0017659
Kun Xiao, Zhiwen Wang, Hongyuan Wang, Jie Sun, Yelong Zheng, Yin-guo Huang
{"title":"A precision-drive hysteresis model with an equal-density weight function for GMA feedforward compensation","authors":"Kun Xiao, Zhiwen Wang, Hongyuan Wang, Jie Sun, Yelong Zheng, Yin-guo Huang","doi":"10.1063/10.0017659","DOIUrl":"https://doi.org/10.1063/10.0017659","url":null,"abstract":"Giant magnetostrictive actuators (GMAs) are a widely used type of micro-nano actuator, and they are greatly significant in the field of precision engineering. The accuracy of a GMA often depends on its hysteresis model. However, existing models have some limitations, including the difficulty of identifying their parameters and the tradeoff between the quantity of modeling data required and the level of precision achieved. To solve these problems, in this paper, we propose a Preisach inverse model based on equal-density segmentation of the weight function (E-Preisach). The weight function used to calculate the displacement is first discretized. Then, to obtain a finer weight distribution, the discretized geometric units are uniformly divided by area. This can further minimize the output displacement span, and it produces a higher-precision hysteresis model. The process of parameter identification is made easier by this approach, which also resolves the difficulty of obtaining high precision using a small amount of modeling data. The Preisach and the E-Preisach inverse models were investigated and compared using experiments. At frequencies of 1 and 5 Hz, it was found that the E-Preisach inverse model decreases the maximum error of the feedforward compensation open-loop control to within 1 µm and decreases the root-mean-square error in displacement to within 0.5 µm without the need to increase the number of measured hysteresis loops. As a result, the E-Preisach inverse model streamlines the structure of the model and requires fewer parameters for modeling. This provides a high-precision modeling method using a small amount of modeling data; it will have applications in precision engineering fields such as active vibration damping and ultra-precision machining.","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45471139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A deep-reinforcement learning approach for optimizing homogeneous droplet routing in digital microfluidic biochips 一种用于优化数字微流控生物芯片中均匀液滴路径的深度强化学习方法
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-01 DOI: 10.1063/10.0017350
Basudev Saha, Bidyut Das, M. Majumder
{"title":"A deep-reinforcement learning approach for optimizing homogeneous droplet routing in digital microfluidic biochips","authors":"Basudev Saha, Bidyut Das, M. Majumder","doi":"10.1063/10.0017350","DOIUrl":"https://doi.org/10.1063/10.0017350","url":null,"abstract":"Over the past two decades, digital microfluidic biochips have been in much demand for safety-critical and biomedical applications and increasingly important in point-of-care analysis, drug discovery, and immunoassays, among other areas. However, for complex bioassays, finding routes for the transportation of droplets in an electrowetting-on-dielectric digital biochip while maintaining their discreteness is a challenging task. In this study, we propose a deep reinforcement learning-based droplet routing technique for digital microfluidic biochips. The technique is implemented on a distributed architecture to optimize the possible paths for predefined source–target pairs of droplets. The actors of the technique calculate the possible routes of the source–target pairs and store the experience in a replay buffer, and the learner fetches the experiences and updates the routing paths. The proposed algorithm was applied to benchmark suites I and III as two different test benches, and it achieved significant improvements over state-of-the-art techniques.","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46110286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication and characterization of NiCr-based films with high resistivity and low temperature coefficient of resistance 高电阻率低温电阻系数nicr基薄膜的制备与表征
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-01 DOI: 10.1063/10.0017693
Diaohao Zhai, Yongping Chen, Houming Zhai, Yi Liu
{"title":"Fabrication and characterization of NiCr-based films with high resistivity and low temperature coefficient of resistance","authors":"Diaohao Zhai, Yongping Chen, Houming Zhai, Yi Liu","doi":"10.1063/10.0017693","DOIUrl":"https://doi.org/10.1063/10.0017693","url":null,"abstract":"As a metal alloy, NiCr films have a relatively high resistivity and low temperature coefficient of resistance (TCR) and are widely used in electronic components and sensors. However, the resistivity of pure NiCr is insufficient for high-resistance and highly stable film resistors. In this study, a quaternary NiCrAlSi target (47:33:10:10, wt. %) was successfully used to prepare resistor films with resistivities ranging from 1000 to 10 000 μΩ cm and TCR within ±100 ppm/K. An oxygen flow was introduced during the sputtering process. The films exhibit high-temperature stability at 450 °C. The films were analyzed using Auger electron spectroscopy, x-ray diffraction, time-of-flight secondary-ion mass spectrometry, and x-ray photoelectron spectroscopy. The results show that the difference in the oxide proportion of the films caused the differences in resistivity. The near-zero TCR values were considered to be due to the competition between silicon and other metals. This study provides new insights into the electrical properties of NiCr-based films containing Si, which will drive the manufacturing of resistors with high resistivity and zero TCR.","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42895244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tunable microfluidic chip for single-cell deformation study 用于单细胞变形研究的可调谐微流控芯片
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-06-01 DOI: 10.1063/10.0017649
Ruiyun Zhang, X. Duan, ShuaiHua Zhang, Wenlan Guo, Chen Sun, Ziyu Han
{"title":"Tunable microfluidic chip for single-cell deformation study","authors":"Ruiyun Zhang, X. Duan, ShuaiHua Zhang, Wenlan Guo, Chen Sun, Ziyu Han","doi":"10.1063/10.0017649","DOIUrl":"https://doi.org/10.1063/10.0017649","url":null,"abstract":"Microfluidic phenotyping methods have been of vital importance for cellular characterization, especially for evaluating single cells. In order to study the deformability of a single cell, we devised and tested a tunable microfluidic chip-based method. A pneumatic polymer polydimethylsiloxane (PDMS) membrane was designed and fabricated abutting a single-cell trapping structure, so the cell could be squeezed controllably in a lateral direction. Cell contour changes under increasing pressure were recorded, enabling the deformation degree of different types of single cell to be analyzed and compared using computer vision. This provides a new perspective for studying mechanical properties of cells at the single cell level.","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46283723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of laser energy on the surface quality and properties of electrodeposited zinc-nickel-molybdenum coatings 激光能量对电镀锌镍钼镀层表面质量和性能的影响
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-05-26 DOI: 10.1063/10.0019382
Tao Ni, Zhaoyang Zhang, Yucheng Wu, Shuai Yang
{"title":"Effects of laser energy on the surface quality and properties of electrodeposited zinc-nickel-molybdenum coatings","authors":"Tao Ni, Zhaoyang Zhang, Yucheng Wu, Shuai Yang","doi":"10.1063/10.0019382","DOIUrl":"https://doi.org/10.1063/10.0019382","url":null,"abstract":"","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46744598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Research trends in methods for controlling macro-micro motion platforms 宏微运动平台控制方法的研究动向
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-05-17 DOI: 10.1063/10.0019384
Lufan Zhang, Pengqi Zhang, Boshi Jiang, Heng Yan
{"title":"Research trends in methods for controlling macro-micro motion platforms","authors":"Lufan Zhang, Pengqi Zhang, Boshi Jiang, Heng Yan","doi":"10.1063/10.0019384","DOIUrl":"https://doi.org/10.1063/10.0019384","url":null,"abstract":"","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42163225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploration and mitigation of protrusion behavior in Ga-ion doped h-BN memristors Ga离子掺杂h-BN忆阻器突出行为的探索与减缓
IF 3.7 3区 工程技术
Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering Pub Date : 2023-05-17 DOI: 10.1063/10.0019338
Mucun Li, E. Wu, Linyan Xu, X. Hu, Xiaopu Miao
{"title":"Exploration and mitigation of protrusion behavior in Ga-ion doped h-BN memristors","authors":"Mucun Li, E. Wu, Linyan Xu, X. Hu, Xiaopu Miao","doi":"10.1063/10.0019338","DOIUrl":"https://doi.org/10.1063/10.0019338","url":null,"abstract":"","PeriodicalId":35428,"journal":{"name":"Nami Jishu yu Jingmi Gongcheng/Nanotechnology and Precision Engineering","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48717902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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