Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice最新文献

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Characteristic patterns of air flow around lathe chuck-flow visualisation by means of tuft and smoke wire methods 用簇状和烟丝法可视化车床卡盘周围气流的特征模式
Y. Konda, S. Warisawa, Y. Kadowaki, Y. Ito
{"title":"Characteristic patterns of air flow around lathe chuck-flow visualisation by means of tuft and smoke wire methods","authors":"Y. Konda, S. Warisawa, Y. Kadowaki, Y. Ito","doi":"10.1109/MMVIP.1997.625329","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625329","url":null,"abstract":"In this paper, the air flow around the three-jaw scroll chuck is observed by means of the tuft and smoke wire methods to establish the reduction remedies for the aerodynamic noise caused by the chock itself. The flow visualisations are carried out for various cases, e.g., those without workpiece, those with cylindrical or flange-like workpiece, when the chuck rotating speeds are 1,000, 2,000 and 3,000 r.p.m. The investigation shows that the air flow pattern around the chuck consists of four leading flows, i.e., axial flow from the tailstock to the headstock, entrained flow within the encircled area by top jaws, flow from the front face to radial areas of the chock and flow corresponding to the velocity boundary layer around the chuck body.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131381308","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
Implementing active vision in embedded systems 在嵌入式系统中实现主动视觉
G. Wyeth
{"title":"Implementing active vision in embedded systems","authors":"G. Wyeth","doi":"10.1109/MMVIP.1997.625335","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625335","url":null,"abstract":"Machine vision is a powerful tool for process automation and control. However, the memory requirements and interface overheads of video buffers found in typical video grabbers are not easy to interface to low cost embedded systems. This paper describes an active vision interface that enables a low end microcontroller to use a standard video camera as an input for process control. The active vision interface consists of a frame grabber with a small (4 kb) memory mapped buffer that can be zoomed out to sample the whole image at low resolution, or zoomed in and panned around the image at high resolution. This scheme takes advantage of the fact that most real time vision systems operate on low resolution images or small parts of a high resolution system in order to reduce the number of operations performed on each frame. The system integrates tightly with the embedded microcontroller by providing current video in the microcontroller's memory space. This minimises the overheads in interfacing and maximises the bandwidth to the vision processing algorithm. The interface has been designed to minimise latency, and to provide contention-free access to live video.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132271907","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: 8
Non-contact extrudate profilometer - introductory paper 非接触式挤出轮廓仪。介绍论文
R. Taylor, N. Hancock, T. Tran-Cong
{"title":"Non-contact extrudate profilometer - introductory paper","authors":"R. Taylor, N. Hancock, T. Tran-Cong","doi":"10.1109/MMVIP.1997.625315","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625315","url":null,"abstract":"A non-contact measurement system has been devised to monitor the cross-section of newly-formed plastic product (extrudate) during mechanical extrusion processes. A laser source is reflected from the surface and the light beam detected such that the position and orientation of a point on the surface is determined. This paper describes the initial development of the profilometer extrudate of square cross-section. Preliminary results are reported which indicate that measurement precision of better than 10 /spl mu/m is achievable. Developments necessary to facilitate circumferential scanning of the extrudate surface are discussed.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128560907","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: 3
Analysis of electric-fluid analogy of pressure transmission through an electro-rheological-fluid in annuli 环空电流变流体压力传递的电液类比分析
Y. Tanaka, A. Gofuku, K. Nakamura
{"title":"Analysis of electric-fluid analogy of pressure transmission through an electro-rheological-fluid in annuli","authors":"Y. Tanaka, A. Gofuku, K. Nakamura","doi":"10.1109/MMVIP.1997.625253","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625253","url":null,"abstract":"The article concerns the development of flexible robotic fingers using electro-rheological fluid (ERF) for pressure control. It describes a technique to predict the transient response of a pressure control device using ERF by an electric-flow analogy. The inertia is calculated from the theoretical equation. The resistance and additional voltage source by the ER effect are derived theoretically by assuming the flow in the electrode annuli of the pressure control device as a flow of the Bingham fluid. The capacitance is determined to compare the time-responses of pressures by the prediction based on a model with the results of a simple experiment. The predictions of transient flow, using the determined parameters of the model are in qualitatively good agreement with the experimental results.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125042421","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: 6
Thermal profiles in footwear design: an in-sole measurement system 鞋类设计中的热剖面:鞋底内测量系统
P. Strickland, G. Reid, B. Burrows
{"title":"Thermal profiles in footwear design: an in-sole measurement system","authors":"P. Strickland, G. Reid, B. Burrows","doi":"10.1109/MMVIP.1997.625344","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625344","url":null,"abstract":"Thermal regulation and issues related to health and comfort are central to the design of footwear. A measurement system to determine temperatures within a shoe, which is robust enough for sports has been developed. This was used to measure the temperature profiles in the shoe whilst undergoing physical activity. After 30 minutes temperatures of 42/spl deg/C were recorded and after 60 minutes temperatures of 48/spl deg/C. The profile of temperature varied by 25% across the foot.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"275 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127378180","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: 5
Force, compliance and position control for a space frame manipulator 空间框架机械手的力、柔度和位置控制
S. Cubero, J. Billingsley
{"title":"Force, compliance and position control for a space frame manipulator","authors":"S. Cubero, J. Billingsley","doi":"10.1109/MMVIP.1997.625306","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625306","url":null,"abstract":"This paper describes practical methods for achieving variable force, compliance and position control for a direct-drive, pneumatically powered \"variable geometry truss manipulator\" (VGTM) built at University of Southern Queensland. The advantages of tetrahedral-tetrahedral VGTM structures are discussed including the kinematics for a fully operational prototype. The natural compliant behaviour of compressed gas is exploited using proportional valve control software. Experimental results are included for force and position control of a conventional pneumatic actuator.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124137147","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: 4
Carbon dioxide sensing-a mechatronic approach 二氧化碳传感——机电一体化方法
A. Maxwell, N. Hancock, J. Billingsley
{"title":"Carbon dioxide sensing-a mechatronic approach","authors":"A. Maxwell, N. Hancock, J. Billingsley","doi":"10.1109/MMVIP.1997.625292","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625292","url":null,"abstract":"It is demonstrated that by combining simple mechatronic systems with simple chemical reagents it is possible to design and construct low-cost carbon dioxide (CO/sub 2/) measurement systems potentially suitable for commercial application. In this paper carbon dioxide sensing techniques are briefly reviewed and their limitations noted. An alternative miniature wet chemical analyser technique is proposed incorporating a safe and simple chemical indicator with low-cost optical sensing and mechatronic control to yield smart sensing systems for CO/sub 2/ detection. The construction of a first prototype using various configuration of reaction chamber (volume/spl sim/2.5 mL), a Motorola MC68HCII microcontroller, and precipitate detection by IR LEDs is reported. The prototype is capable of useful measurement in the range of 10 to 100% CO/sub 2/. Current work to extend the range to 1% and 0.1% is also mentioned.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126879166","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
A prototype skeleture mapper for automated abattoir application 用于自动屠宰场应用的原型骨架映射器
D. Roberts, N. Hancock, J. Leis
{"title":"A prototype skeleture mapper for automated abattoir application","authors":"D. Roberts, N. Hancock, J. Leis","doi":"10.1109/MMVIP.1997.625241","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625241","url":null,"abstract":"The major limitation in abattoir automation lies in sensing. This paper outlines a measurement system to map the locations of the important sites on a half meat carcase, non-invasively and by direct reference to the skeleture, the attribute of a carcase that changes the least,with breed, age, and condition. The design and construction of a prototype skeleture mapper is outlined. Original heuristic functions, to enhance the raw data output of the measurement system to the point where detection of important sites on a carcase by software is feasible, are demonstrated. Practical applications of the system are outlined.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"abs/2001.03438 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122276942","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 novel experimental setup for Atlas II robot using Visual Basic 基于Visual Basic的Atlas II机器人实验装置
M. H. Korayem, A.K. Omoumi
{"title":"A novel experimental setup for Atlas II robot using Visual Basic","authors":"M. H. Korayem, A.K. Omoumi","doi":"10.1109/MMVIP.1997.625226","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625226","url":null,"abstract":"Considering the rapid development in using PCs and advance computer graphics, simulation and control of robots and graphical representation and prediction of the programmed movement seems essential. On these bases, by using the Visual Basic programming language and under the MS Windows graphical operating system, a software has been developed that simulates the Atlas II robot movement. Three experiments are designed-system acquaintance, direct kinematics and inverse kinematics-for using this software in the robotics lab. Also three observing aspects for showing direct kinematics, inverse kinematics and point-to-point movement are covered in this package. This package with a little change in the source program can be used for any robot in order to show and simulate its movement program for any educational or industrial purposes.","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"12 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113937833","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: 3
Vision supported operation of a concrete spraying robot for tunneling work 视觉支持下的隧道工程混凝土喷涂机器人操作
M. Honegger, G. Schweitzer, O. Tschumi, F. Amberg
{"title":"Vision supported operation of a concrete spraying robot for tunneling work","authors":"M. Honegger, G. Schweitzer, O. Tschumi, F. Amberg","doi":"10.1109/MMVIP.1997.625333","DOIUrl":"https://doi.org/10.1109/MMVIP.1997.625333","url":null,"abstract":"In tunneling and mining construction work, heavy and large manipulators are used to spray liquid concrete on the walls. These manipulators are usually operated manually with simple control units allowing to control all actuators independently. In cooperation between industry and university, we have developed a novel automatic and human-oriented control system for such a manipulator. The new controller enables the operator to manipulate the tool in various modes, from purely manual actuation of single joints to vision-guided semi- and fully-automated spraying of selected tunnel areas. This paper presents the development and implementation of the control system designed for the concrete spraying robot Robojet(R).","PeriodicalId":261635,"journal":{"name":"Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126650882","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: 14
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