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Journal of the Korean Society for Precision Engineering最新文献

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Additional Ionomer-coated Layer for Self-humidifying Polymer Electrolyte Membrane Fuel Cells 自增湿聚合物电解质膜燃料电池的附加离子聚合物涂层
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.097
Gyutae Park, Dongjin Kim, Junseo Youn, J. Park, Hyoun‐Myoung Oh, Taehyun Park
{"title":"Additional Ionomer-coated Layer for Self-humidifying Polymer Electrolyte Membrane Fuel Cells","authors":"Gyutae Park, Dongjin Kim, Junseo Youn, J. Park, Hyoun‐Myoung Oh, Taehyun Park","doi":"10.7736/jkspe.023.097","DOIUrl":"https://doi.org/10.7736/jkspe.023.097","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"17 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139026292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wind-powered Triboelectric Nanogenerator Using Contact-separation of Two Cylindrical Structures 利用两个圆柱形结构的接触分离实现风力发电的三电纳米发电机
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.025
Jong-An Choi, Jingu Jeong, Mingyu Kang, S. Pyo
{"title":"Wind-powered Triboelectric Nanogenerator Using Contact-separation of Two Cylindrical Structures","authors":"Jong-An Choi, Jingu Jeong, Mingyu Kang, S. Pyo","doi":"10.7736/jkspe.023.025","DOIUrl":"https://doi.org/10.7736/jkspe.023.025","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"318 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139022817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of Drone-attached Spraying Device for Active Maintenance of Structures 开发用于主动维护结构的无人机喷洒装置
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.086
Seung-Han Yang, Kwang-Il Lee
{"title":"Development of Drone-attached Spraying Device for Active Maintenance of Structures","authors":"Seung-Han Yang, Kwang-Il Lee","doi":"10.7736/jkspe.023.086","DOIUrl":"https://doi.org/10.7736/jkspe.023.086","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"289 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139021319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automation of Shoe Upper Adhesive Spraying Process Using Robot 利用机器人实现鞋面粘合剂喷涂过程自动化
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.093
W. Jang, Sang Hyun Park, S. Chung, M. Hwang, Murim Kim
{"title":"Automation of Shoe Upper Adhesive Spraying Process Using Robot","authors":"W. Jang, Sang Hyun Park, S. Chung, M. Hwang, Murim Kim","doi":"10.7736/jkspe.023.093","DOIUrl":"https://doi.org/10.7736/jkspe.023.093","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"304 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139017803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on Automated Heat Treatment for Car-body Mold Using an Articulated Robot System 使用关节型机器人系统对车身模具进行自动热处理的研究
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.111
Kee-Jin Park, Sung Ho Yoon
{"title":"Study on Automated Heat Treatment for Car-body Mold Using an Articulated Robot System","authors":"Kee-Jin Park, Sung Ho Yoon","doi":"10.7736/jkspe.023.111","DOIUrl":"https://doi.org/10.7736/jkspe.023.111","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"161 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139014451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Risk Prediction in Daily Activities and Falls based on Deep Learning 基于深度学习的日常活动和跌倒风险预测
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.102
Seunghee Lee, B. Koo, Sumin Yang, Dongkwon Kim, Youngho Kim
{"title":"Risk Prediction in Daily Activities and Falls based on Deep Learning","authors":"Seunghee Lee, B. Koo, Sumin Yang, Dongkwon Kim, Youngho Kim","doi":"10.7736/jkspe.023.102","DOIUrl":"https://doi.org/10.7736/jkspe.023.102","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"658 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139020748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laser-induced Deposition Method for Mask-less Copper Patterning on the Glass Substrate 在玻璃基底上进行无掩膜铜图案化的激光诱导沉积方法
Journal of the Korean Society for Precision Engineering Pub Date : 2023-12-01 DOI: 10.7736/jkspe.023.084
Yonghoon Lee, Hwanggyu Lee, Dong Min Kim, Taewook Kim, Jisoo Kim
{"title":"Laser-induced Deposition Method for Mask-less Copper Patterning on the Glass Substrate","authors":"Yonghoon Lee, Hwanggyu Lee, Dong Min Kim, Taewook Kim, Jisoo Kim","doi":"10.7736/jkspe.023.084","DOIUrl":"https://doi.org/10.7736/jkspe.023.084","url":null,"abstract":"","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"274 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139020209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Study of Effects of the Repetition of Assembly and the Addition of Activation on Electrochemical Characteristics of PEMFCs 重复组装和添加活化剂对pemfc电化学特性影响的研究
Journal of the Korean Society for Precision Engineering Pub Date : 2023-11-30 DOI: 10.7736/jkspe.023.026
Ji-Woong Jeon, Gu Young Cho, Gye-Eun Jang, Young-Jo Lee, Dong-Kun Song, Ho-Jun Yoo, Seung-Hyeok Hong, Jung-Soo Kim, Ye-Rim Kwon, Da-Hye Geum
{"title":"A Study of Effects of the Repetition of Assembly and the Addition of Activation on Electrochemical Characteristics of PEMFCs","authors":"Ji-Woong Jeon, Gu Young Cho, Gye-Eun Jang, Young-Jo Lee, Dong-Kun Song, Ho-Jun Yoo, Seung-Hyeok Hong, Jung-Soo Kim, Ye-Rim Kwon, Da-Hye Geum","doi":"10.7736/jkspe.023.026","DOIUrl":"https://doi.org/10.7736/jkspe.023.026","url":null,"abstract":"In this study, the effects of repetition of assembly and disassembly of polymer electrolyte membrane fuel cells on electrochemical performance were systematically investigated. Additionally, the effects of additional activation on polymer electrolyte membrane fuel cells were evaluated. All fuel cells were measured every three days. For the disassembled polymer electrolyte membrane fuel cells, membrane electrode assemblies were stored in a vacuum desiccator. For the maintained assembly, fuel cells were stored at room temperature. The performance and electrochemical characteristics of the fuel cell were analyzed by electrochemical impedance spectroscopy. As a result, the addition of activation to maintained assembly fuel cells showed the best performance among fuel cells with other assembly and activation conditions. Repetition of assembly and disassembly, as well as insufficient activation, caused degradation of the performance of fuel cells.","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"34 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136227458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reflective Optical Systems for Aerospace Applications 航空航天应用反射光学系统
Journal of the Korean Society for Precision Engineering Pub Date : 2023-11-01 DOI: 10.7736/jkspe.023.080
Kisoo Kim, Ji-Hun Bae, Jongbok Park
{"title":"Reflective Optical Systems for Aerospace Applications","authors":"Kisoo Kim, Ji-Hun Bae, Jongbok Park","doi":"10.7736/jkspe.023.080","DOIUrl":"https://doi.org/10.7736/jkspe.023.080","url":null,"abstract":"The utilization of aerospace technology is growing to meet various requirements of climate change sensing, communications, and the military. Large aperture and precise reflective optical systems such as mirrors are needed to acquire high-quality data, and the requirements of lightness, low cost, and low deformation should also be met to operate in the space environment. In this review, we highlight the recent progress of reflective optical systems for aerospace applications. In particular, optical systems for artificial satellites and homing optics are mainly introduced, and optical and mechanical simulations are discussed according to operating environments. We also discuss various reflective optic designs, materials, and operating principles for aerospace applications, such as a homing head and optical payload. We hope that this review provides approaches for developing surveillance systems, exploring space, and addressing the climate crisis.","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"71 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135715451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural Behavior Analysis of the Proximal Femur after Artificial Hip Joint Implantation at Micro Level 人工髋关节置入术后股骨近端微观结构行为分析
Journal of the Korean Society for Precision Engineering Pub Date : 2023-11-01 DOI: 10.7736/jkspe.023.054
Seung-Hun Ryu, Jung-Jin Kim
{"title":"Structural Behavior Analysis of the Proximal Femur after Artificial Hip Joint Implantation at Micro Level","authors":"Seung-Hun Ryu, Jung-Jin Kim","doi":"10.7736/jkspe.023.054","DOIUrl":"https://doi.org/10.7736/jkspe.023.054","url":null,"abstract":"Total hip replacement is a representative treatment for avascular necrosis of the femoral head. However, the stress shielding caused by the replacement induces dissociation of the artificial hip joint and various complications. Many studies have tried to explore the stress shielding but, most studies have been conducted at macro level and not at micro level. Thus, this study aimed to quantitatively analyze the structural behavior of the proximal femur according to total hip replacement at the micro level to explore the stress shielding. For this purpose, this study selected the artificial hip joint of the single wedge type and implanted the joint into a proximal femur that has a high resolution of 50 μm. Then the structural behavior of the implanted femur was analyzed by comparing that of the intact femur under three daily activity loads. As a result, the high possibility was confirmed that the stress shielding will occur in both cortical and cancellous bones under the one-legged stance movements. Additionally, it was discovered that the cancellous bone had a considerably lesser chance of adducting at an angle similar to the neck shaft angle of an artificial hip joint.","PeriodicalId":37663,"journal":{"name":"Journal of the Korean Society for Precision Engineering","volume":"71 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135715453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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