Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.14
Wenqiang Guo, Q. Zhou, Yongyan Hou
{"title":"Early Classification of Bearing Faults Based on MFES and Bayesian Network","authors":"Wenqiang Guo, Q. Zhou, Yongyan Hou","doi":"10.4156/JDCTA.VOL7.ISSUE11.14","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.14","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"4 1","pages":"116-126"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87357775","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}
Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.22
Albert S. Surla, Kathleen Mae Gelera, J. S. Park
{"title":"A Study on Inelastic Lateral Torsional Buckling of Doubly and Singly Stepped I-beam with Singly Symmetric Section Subjected to Design Loading","authors":"Albert S. Surla, Kathleen Mae Gelera, J. S. Park","doi":"10.4156/JDCTA.VOL7.ISSUE11.22","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.22","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"2 1","pages":"189-193"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87764587","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}
Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.36
Bom-yi Lee, Youn Cheol Kim
The basic properties such as chemical structure, thermal and rheological properties of polycarbonate (PC)/graphene oxide (GO) composites, prepared by two methods: In-situ polymerizations and twin screw extruder was compared. A modified GO with COCl, GO-COCl was synthesized and the chemical structure of PC/GO-COCl and PC/GO was confirmed using FT-IR spectrum. GO, the hydroxyl (-OH), carbonyl (-C=O), ether (-CO-, C-O-C) bonds, is clearly identified by the peaks at 3395, 1724 and 1621cm respectively. Complex viscosities showed that the PC/GO composites by in-situ polymerization have larger shear thinning effect and this may be because of better dispersion of GO confirmed by scanning electron microscope (SEM).
比较了原位聚合和双螺杆挤出法制备的聚碳酸酯(PC)/氧化石墨烯(GO)复合材料的化学结构、热性能和流变性能等基本性能。合成了含COCl、GO-COCl的改性氧化石墨烯，并利用FT-IR光谱对PC/GO-COCl和PC/GO的化学结构进行了表征。氧化石墨烯，羟基(- oh)，羰基(- c =O)，醚(- co -， C-O-C)键，分别在3395,1724和1621cm处的峰清晰地识别出来。复合粘度表明原位聚合的PC/GO复合材料具有更大的剪切减薄效应，这可能是由于原位聚合的GO具有更好的分散性。
{"title":"Effect of Graphene Oxide (GO) Dispersion on Basic Properties of Polycarbonate/GO Composites","authors":"Bom-yi Lee, Youn Cheol Kim","doi":"10.4156/JDCTA.VOL7.ISSUE11.36","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.36","url":null,"abstract":"The basic properties such as chemical structure, thermal and rheological properties of polycarbonate (PC)/graphene oxide (GO) composites, prepared by two methods: In-situ polymerizations and twin screw extruder was compared. A modified GO with COCl, GO-COCl was synthesized and the chemical structure of PC/GO-COCl and PC/GO was confirmed using FT-IR spectrum. GO, the hydroxyl (-OH), carbonyl (-C=O), ether (-CO-, C-O-C) bonds, is clearly identified by the peaks at 3395, 1724 and 1621cm respectively. Complex viscosities showed that the PC/GO composites by in-situ polymerization have larger shear thinning effect and this may be because of better dispersion of GO confirmed by scanning electron microscope (SEM).","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"74 1","pages":"287-297"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88174777","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}
Pub Date : 2013-07-31DOI: 10.4156/jdcta.vol7.issue11.42
Soyoun Yim
{"title":"Perception of Disease by Korean Preschoolers","authors":"Soyoun Yim","doi":"10.4156/jdcta.vol7.issue11.42","DOIUrl":"https://doi.org/10.4156/jdcta.vol7.issue11.42","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"55 1","pages":"332-336"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79107724","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}
Pub Date : 2013-07-31DOI: 10.4156/jdcta.vol7.issue11.33
Wonho Kim, Moonjung Kim
{"title":"Improvement of Power Ground Impedance Using Half Via Structure","authors":"Wonho Kim, Moonjung Kim","doi":"10.4156/jdcta.vol7.issue11.33","DOIUrl":"https://doi.org/10.4156/jdcta.vol7.issue11.33","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"1 1","pages":"268-273"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79783463","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}
Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.44
J. Um, R. Jeong, Seok-won Kang, Back-Hyun Kim, Sun-kee Seo
{"title":"Methodology for Realization of Minimum Headway Time in the Vertical Transfer of a PRT Vehicle","authors":"J. Um, R. Jeong, Seok-won Kang, Back-Hyun Kim, Sun-kee Seo","doi":"10.4156/JDCTA.VOL7.ISSUE11.44","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.44","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"64 1","pages":"345-351"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85509646","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}
Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.11
Aki Hayakawa, Dongli Han
{"title":"Automated QA Pair Generation from Online Forums and Best Answer Selection by Comparison Based Sorting","authors":"Aki Hayakawa, Dongli Han","doi":"10.4156/JDCTA.VOL7.ISSUE11.11","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.11","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"56 1","pages":"93-99"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82781137","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}
Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.31
G. Yang, Byoung-Wook Choi
A practical and useful trajectory planning that considers the physical limits of mobile robots using the convolution operator in joint space are presented. Smooth joint velocity commands that consider the maximum velocity of a mobile robot and systems limit along the path are computed. The effectiveness of the algorithm is shown through various Bezier curves in a robot simulator. Three curved path were conducted to determine whether the mobile robot will be able to meet the physical limits. Each experiment had a different start point and end point. Results show that the mobile robot was able to meet the velocity limit and follow the predetermined path while satisfying physical constraints in the joint space.
{"title":"Joint Space Trajectory Planning Considering Physical Limits with Convolution Operator for Mobile Robots","authors":"G. Yang, Byoung-Wook Choi","doi":"10.4156/JDCTA.VOL7.ISSUE11.31","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.31","url":null,"abstract":"A practical and useful trajectory planning that considers the physical limits of mobile robots using the convolution operator in joint space are presented. Smooth joint velocity commands that consider the maximum velocity of a mobile robot and systems limit along the path are computed. The effectiveness of the algorithm is shown through various Bezier curves in a robot simulator. Three curved path were conducted to determine whether the mobile robot will be able to meet the physical limits. Each experiment had a different start point and end point. Results show that the mobile robot was able to meet the velocity limit and follow the predetermined path while satisfying physical constraints in the joint space.","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"77 1","pages":"248-257"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89217139","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}
Pub Date : 2013-07-31DOI: 10.4156/jdcta.vol7.issue11.6
Jihoon Lee, Eugene Rhee
{"title":"Adaptive Path Control Mechanism Using Neighbor Association Level in AODV-based Wireless Multi-hop Networks","authors":"Jihoon Lee, Eugene Rhee","doi":"10.4156/jdcta.vol7.issue11.6","DOIUrl":"https://doi.org/10.4156/jdcta.vol7.issue11.6","url":null,"abstract":"","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"74 1","pages":"42-51"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86345038","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}
Pub Date : 2013-07-31DOI: 10.4156/JDCTA.VOL7.ISSUE11.23
Taehee Kim
This paper illustrates the process of a geo-spatial interactive artwork that involves the invention of a fabric sensor for a map to function as an input device. A squeezing motion on the sensitive fabric map results in a corresponding downscale of a video and audio space realized in an art installation. The invention of the fabric sensor, which measures the degree of squeeze of the grasped fabric, uses a combination of woven conductive threads and resistors. The fabric map sensor showed sufficient performance in realizing the initial concept into a form of interactive video artwork: “How would we perceive the world if God wrinkled the earth?” The artwork is discussed in terms of Phenomenological Landscape.
{"title":"Interactive Video Installation of Phenomenological Landscape Using a Custom Sensitive Fabric Map as Human Interface","authors":"Taehee Kim","doi":"10.4156/JDCTA.VOL7.ISSUE11.23","DOIUrl":"https://doi.org/10.4156/JDCTA.VOL7.ISSUE11.23","url":null,"abstract":"This paper illustrates the process of a geo-spatial interactive artwork that involves the invention of a fabric sensor for a map to function as an input device. A squeezing motion on the sensitive fabric map results in a corresponding downscale of a video and audio space realized in an art installation. The invention of the fabric sensor, which measures the degree of squeeze of the grasped fabric, uses a combination of woven conductive threads and resistors. The fabric map sensor showed sufficient performance in realizing the initial concept into a form of interactive video artwork: “How would we perceive the world if God wrinkled the earth?” The artwork is discussed in terms of Phenomenological Landscape.","PeriodicalId":13797,"journal":{"name":"International Journal of Digital Content Technology and Its Applications","volume":"10 1","pages":"194-201"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90060728","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}
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