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Broadband Low Ripple Digital PLL using Clock Generator with Frequency Follow-up Control 宽带低纹波数字锁相环时钟发生器与频率随动控制
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/JJIIAE.8.1.109
岡本 明, 涌井 伸二
{"title":"Broadband Low Ripple Digital PLL using Clock Generator with Frequency Follow-up Control","authors":"岡本 明, 涌井 伸二","doi":"10.12792/JJIIAE.8.1.109","DOIUrl":"https://doi.org/10.12792/JJIIAE.8.1.109","url":null,"abstract":"In this paper, the broadband low ripple digital PLL (phase locked loop) circuit using clock generator with frequency follow-up control was constructed by utilizing the fact that the capture range of digital PLL becomes scalable when changing the frequency of the basic clock generator. The modeling and analysis are done on dynamical system simulator. This digital PLL has achieved tracking frequency range of 10 Hz to 10 kHz and proven that the phase error ripple can be controlled as designed.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123980886","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 Technology Generating Electric Energy Using Aluminum-based Waste (Technology of Dry Distillation of Aluminum-based Waste) 铝基废物发电技术的发展(铝基废物干馏技术)
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/jjiiae.8.1.84
水木 伸明, 川口 清司
{"title":"Development of Technology Generating Electric Energy Using Aluminum-based Waste (Technology of Dry Distillation of Aluminum-based Waste)","authors":"水木 伸明, 川口 清司","doi":"10.12792/jjiiae.8.1.84","DOIUrl":"https://doi.org/10.12792/jjiiae.8.1.84","url":null,"abstract":"This R&D aims to collect and separate aluminum-containing waste materials (general waste and industry waste), and recover highly-pure aluminum by the efficient dry distillation process. By using the cartridge system (containing the aluminum and reactant), hydrogen energy is generated, and electric power is generated by fuel cell for variety of applications. This system contributes the improvement of aluminum material flow and provides low-carbon solutions. PCR (pulper continual reject) Pulper system could separate aluminum-rich material from the paper-based waste. It was possible to find the condition to recover aluminum and pulp by establishing the model which predicted time to separate aluminum and pulp from the paper-based waste with aluminum.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128611919","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
Gaze Characteristics of a Pedestrian Walking While on the Phone on the Station Platform 行人在站台上使用手机时的凝视特征
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/jjiiae.8.1.134
尾林 史章, 荒川 俊也, 小塚 一宏
{"title":"Gaze Characteristics of a Pedestrian Walking While on the Phone on the Station Platform","authors":"尾林 史章, 荒川 俊也, 小塚 一宏","doi":"10.12792/jjiiae.8.1.134","DOIUrl":"https://doi.org/10.12792/jjiiae.8.1.134","url":null,"abstract":"Nowadays, smartphones spread rapidly and we see a lot of persons’ “walking while on the phone”. According to this, accidents caused by “walking while on the phone” have been increasing. Especially, accidents that a pedestrian walking on the station platform falls into a railroad track occur because a pedestrian’s “walking while on the phone” bumps into him/her. Thus, it is needed to measure the pedestrian’s eye gazing data that walking while on the phone on the station platform and analyze it. In this paper, we show the result of an experiment about measuring a subject’s eye gazing characteristics walking while on the phone on the station platform and analysis. As a result, it is found that the gazing area gets to narrow and transit to the downward direction, and it is difficult to see and conceive the subjects’ around environment.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125358870","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 of Detection of Machining Workpiece for Online Measurement Machine 在线测量机加工工件检测的研究
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/jjiiae.8.1.58
脇迫 仁, 小谷 瑛一, 林 大貴
{"title":"Study of Detection of Machining Workpiece for Online Measurement Machine","authors":"脇迫 仁, 小谷 瑛一, 林 大貴","doi":"10.12792/jjiiae.8.1.58","DOIUrl":"https://doi.org/10.12792/jjiiae.8.1.58","url":null,"abstract":"We have developed an online measurement system for machining tools. The measurement system measures the profile of a workpiece on the machining stage using a camera. This paper presents edge detection methods for the profile measurement. We evaluate some methods to measure a diameter of a circle shape and propose a sub-pixel method which is robust for ambient light fluctuations and reduces measurement variations dependent on operators キーワード：機上測定機，画像処理，エッジ検出，","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"141 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116417604","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 Harmful Bird Recognition System using Object Detection YOLO 基于目标检测YOLO的有害鸟类识别系统的开发
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/jjiiae.8.1.10
北風 裕教, 吉原 蓮人, 岡部 蒼太, 松村 遼
{"title":"Development of Harmful Bird Recognition System using Object Detection YOLO","authors":"北風 裕教, 吉原 蓮人, 岡部 蒼太, 松村 遼","doi":"10.12792/jjiiae.8.1.10","DOIUrl":"https://doi.org/10.12792/jjiiae.8.1.10","url":null,"abstract":"In this paper, we discuss the Phalacrocorax carbo recognition system that we have developed. Phalacrocorax carbo is known as harmful bird in Japan. In recent years, many researchers have been studying to eliminate this harmful bird using drone. However, they had to control the drone manually. There was a problem that could not be dealt with without a good pilot. Our research group aims to develop a system that automatically recognizes these harmful birds using drone. One of deep learning, YOLO is used as a recognition method. The recognition rate has been improved by learning the 3D shape of the bird. To create the 3D model, we use an application called Smoothie-3D. Data augmentation was realized by preparing many two-dimensional learning images from the 3D model. As a result of the recognition experiment using Phalacrocorax carbo images, the fit ratio was precise at 98% or more. The precision of the recognition rate also more than 91%. From these results, we have realized the based system for automatic harmful bird elimination system using drone.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133341671","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: 1
Movement of an Optical Component in a Bonding Process with UV Curable Adhesive Analyzed by Using Phase-shifting Digital Holography 用相移数字全息技术分析光学元件在UV固化胶粘剂粘合过程中的运动
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/jjiiae.8.1.47
横田 正幸, 友廣 祐太郎, 木藤 克哉, 岩崎 勝博
{"title":"Movement of an Optical Component in a Bonding Process with UV Curable Adhesive Analyzed by Using Phase-shifting Digital Holography","authors":"横田 正幸, 友廣 祐太郎, 木藤 克哉, 岩崎 勝博","doi":"10.12792/jjiiae.8.1.47","DOIUrl":"https://doi.org/10.12792/jjiiae.8.1.47","url":null,"abstract":"Movement of an optical component such as a mirror or a beam splitter glued by Ultraviolet (UV) curable adhesive on a metal plate has been investigated by using phase-shifting digital holography. When the optical mirror cube is glued on the metal plate under the illumination of UV-LED light beam, interference fringes produced by the reference wave and the reflected wave from the mirror surface are recorded sequentially as hologram over a period of time and movement of the mirror cube is analyzed from the phase difference of two successive reconstructed complex amplitudes of the reflected waves. The movement of the mirror cube in the hardening process of UV curable adhesive has been followed. It is shown that the movement of the mirror cube can be analyzed by using both the magnitude and the orientation of the vector normal to the displacement of the mirror detected by digital holographic interferometry. Experimental analysis is conducted with a constant UV light intensity. Correlation between the orientation of UV light illumination and the movement of the mirror cube obtained by digital holography is discussed in this paper.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134476623","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
Simultaneous Measurement of Slope and Range in Mirrored Flat Surface 镜面平面坡度与幅度的同时测量
産業応用工学会論文誌 Pub Date : 2020-03-15 DOI: 10.12792/jjiiae.8.1.17
松本 光広
{"title":"Simultaneous Measurement of Slope and Range in Mirrored Flat Surface","authors":"松本 光広","doi":"10.12792/jjiiae.8.1.17","DOIUrl":"https://doi.org/10.12792/jjiiae.8.1.17","url":null,"abstract":"A grid pattern laser light, a half mirror, a projection plate in front side and a projection plate in back side are used in this measurement method. The grid pattern laser light is reflected on the mirrored flat surface of a measured object. The reflected grid pattern laser light is projected on the projection plate in front side and the projection plate in back side through the half mirror. There is a vertex through two laser lines in the projected grid pattern laser light. There are two vertexes corresponding to both the projection plate in front side and the projection plate in back side. A slope of the mirrored flat surface is calculated from a laser trajectory through the two vertexes. A range of the mirrored flat surface is calculated from the calculated slope and other laser trajectories. キーワード：鏡面の平面，傾き，範囲，同時測定，投影","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116660038","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
Performance Evaluations of Straight Darrieus Type Wind Turbine Appended inner Bach - Comma Shaped Rotor 附加内巴赫逗号形转子的直达里乌斯型风力机性能评价
産業応用工学会論文誌 Pub Date : 2019-09-15 DOI: 10.12792/jjiiae.7.2.77
加瀬 篤志, 中島 基来, 山地 凌輔, 川口 清司
{"title":"Performance Evaluations of Straight Darrieus Type Wind Turbine Appended inner Bach - Comma Shaped Rotor","authors":"加瀬 篤志, 中島 基来, 山地 凌輔, 川口 清司","doi":"10.12792/jjiiae.7.2.77","DOIUrl":"https://doi.org/10.12792/jjiiae.7.2.77","url":null,"abstract":"","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127975572","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 Voluntary Mobile Support Equipment by Centroid Detection 基于质心检测的志愿机动支援装备研制
産業応用工学会論文誌 Pub Date : 2019-09-15 DOI: 10.12792/jjiiae.7.2.47
田中 陽平, 阿部 あすか, 田村 和輝, 宍戸 道明
{"title":"Development of Voluntary Mobile Support Equipment by Centroid Detection","authors":"田中 陽平, 阿部 あすか, 田村 和輝, 宍戸 道明","doi":"10.12792/jjiiae.7.2.47","DOIUrl":"https://doi.org/10.12792/jjiiae.7.2.47","url":null,"abstract":"In recent years, an increasing number of care recipients and a shortage of caregivers, by acceleration of declining birthrate and aging, are getting worse. From such social background, the application of the mechatronics technology was expected to reduce the burden on caregivers and the independence of the people requiring nursing care. Therefore, omni-directional moving system that operates intuitively by moving the centroid was developed by this research group. In this study, evaluated, the transient response characteristics and centroid acquisition accuracy of the centroid detection-type movement equipment were evaluated. In addition, the cancellation condition of the boarding standby state for safe boarding was considered. Assuming a load of 60 kg on this equipment, the servo system can be accurately controlled in the range of 2538 to 6345 rpm. At 60 kg load condition, the maximum error distance was only 49 mm. Therefore, the omni-directional mobile system can operate accurately. As the cancellation condition of the boarding standby state, the rest time is necessary to set to 2 sec or more. Moreover, when targeting senior citizens which have low dynamic balance, the rest time is necessary to set still time longer.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"11 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126043193","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
Investigation of System Configuration of Wireless Power Transfer System for Power Supply in Pure Car Carrier Ship 纯汽车运输船供电无线传输系统的系统配置研究
産業応用工学会論文誌 Pub Date : 2019-03-15 DOI: 10.12792/JJIIAE.7.1.14
明大 今給黎, 徳永 英明, 匹田 政幸
{"title":"Investigation of System Configuration of Wireless Power Transfer System for Power Supply in Pure Car Carrier Ship","authors":"明大 今給黎, 徳永 英明, 匹田 政幸","doi":"10.12792/JJIIAE.7.1.14","DOIUrl":"https://doi.org/10.12792/JJIIAE.7.1.14","url":null,"abstract":"On ship carrying numerous cars, outlets cannot be used for car-storage locations owing to a danger of fire. Moreover, since the ceiling can be moved so that cars with different car height can be stored, the wiring of the cranes and power cable becomes very long. Under the circumstances, power supply for ship repair and maintenance is required. If such long cables are eliminated and electric power can be used even at the car storage location, it will be safe and convenient environment for ship repairing or maintenance of ship. This paper presents basic research on a configuration of wireless power transfer (WPT) system for power supply in ship by simulation and experiment. Investigated WPT system has two features. In use of the power supply, the receiving coil case can be freely attached to the transmitting coil case. Even existing equipment can be changed to WPT system by inserting to an outlet. The Investigated WPT system is a Series-Parallel (SP) type equipped with a capacitor connection switching circuit in which the output voltage control is performed in the receiving coil case. As a result of simulation and experiment, it was confirmed that WPT system enables to transmit power as a 1 kW class system without contact.","PeriodicalId":145372,"journal":{"name":"産業応用工学会論文誌","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128455768","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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