Relevant bibliographies by topics / CAFD-system

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'CAFD-system'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "CAFD-system"

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Wu, Yong Xiang. "Research on Calculation System Used in Positioning Error." Applied Mechanics and Materials 43 (December 2010): 233–37. http://dx.doi.org/10.4028/www.scientific.net/amm.43.233.

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There are two types of positioning benchmark for number of workpiece in fixture: single positioning and aggregate surface positioning. This paper introduces the research and development on calculation system used in positioning error based on single positioning benchmark such as cylinder hole or external surface of cylinder and aggregate surface positioning benchmark such as one surface two holes or axis of shoulder shaft. It plays an important role in improving CAFD function and building the foundation for CAPP/CAFD integrated system.
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Chen, Hui Fang. "Research on Intelligent MCAD/CAPP/CAFD Integrated System Modeling." Applied Mechanics and Materials 48-49 (February 2011): 960–63. http://dx.doi.org/10.4028/www.scientific.net/amm.48-49.960.

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Feature extraction and expression of three-dimensional MCAD entity model is independent of platform. According to STEP, this paper discusses for a unified MCAD / CAPP / CAFD integrated system to establish the program model and study the key technologies. The STEP neutral file that contains the model is taken to decide the design features of the part. The identification of geometric features and geometric characteristics of features to the mapping process, rule-based reasoning and case-based reasoning with the way things feature-based process planning techniques in the process of reasoning prob
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Rong, Yiming (Kevin), and Yong Bai. "Automated Generation of Fixture Configuration Design." Journal of Manufacturing Science and Engineering 119, no. 2 (1997): 208–19. http://dx.doi.org/10.1115/1.2831097.

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Flexible fixturing is a necessary aspect of Flexible Manufacturing Systems (FMS) and Computer-Integrated Manufacturing Systems (CIMS). Modular fixtures are most widely used in industry for job and batch production. Computer-Aided Fixture Design (CAFD) has become a research focus in implementing FMS and CIMS. Fixture configuration design is an important issue in the domain of CAFD. A review of the current research in CAFD indicates that a major problem impeding the automated generation of fixture configurations is the lack of studies on fixture structures. This paper investigates fundamental st
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Wu, Xiyan, Xiwei Xu, Guihua Yu, et al. "The China Active Faults Database (CAFD) and its web system." Earth System Science Data 16, no. 7 (2024): 3391–417. http://dx.doi.org/10.5194/essd-16-3391-2024.

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Abstract. Active faults serve as potential sources of destructive earthquakes. Studies and investigations of active faults are necessary for earthquake disaster prevention. This study presents a nation-scale database of active faults in China and its adjacent regions, in tandem with an associated web-based query system. This database is an updated version of the active faults data included in the Seismotectonic Map of China and its Adjacent Regions (1:4 000 000), which is one of the four essential maps of the mandatory Chinese standard GB 18306-2015 Seismic Ground Motion Parameter Zonation Map
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Zhang, Xutang, Gaoliang Peng, Xin Hou, and Ting Zhuang. "A knowledge reuse-based computer-aided fixture design framework." Assembly Automation 34, no. 2 (2014): 169–81. http://dx.doi.org/10.1108/aa-04-2013-033.

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Purpose – Fixture design is a complicated task requiring both intensive knowledge and experience. This paper aims to present a computer-aided fixture design (CAFD) system framework based on design reuse technology. Design/methodology/approach – Fixture design domain ontology is constructed by analyzing fixture design document corpus. A design reuse engine is proposed to realize fixture design knowledge retrieval and fixture model retrieval based on ontology and find fixture design cases similar to fixture design problem, and then use evolutionary methods to modify the retrieved model to meet t
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Saeed, Umer, Young-Doo Lee, Sana Ullah Jan, and Insoo Koo. "CAFD: Context-Aware Fault Diagnostic Scheme towards Sensor Faults Utilizing Machine Learning." Sensors 21, no. 2 (2021): 617. http://dx.doi.org/10.3390/s21020617.

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Sensors’ existence as a key component of Cyber-Physical Systems makes it susceptible to failures due to complex environments, low-quality production, and aging. When defective, sensors either stop communicating or convey incorrect information. These unsteady situations threaten the safety, economy, and reliability of a system. The objective of this study is to construct a lightweight machine learning-based fault detection and diagnostic system within the limited energy resources, memory, and computation of a Wireless Sensor Network (WSN). In this paper, a Context-Aware Fault Diagnostic (CAFD)
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Cai, Jin, H. X. Liu, and G. L. Duan. "Research and Application on Heterogeneous CAD Platforms of Modular Fixture System." Materials Science Forum 697-698 (September 2011): 503–7. http://dx.doi.org/10.4028/www.scientific.net/msf.697-698.503.

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Application on multi-platforms for a computer-aided fixture design (CAFD) system is significant. But now, relative less attention is focused on this direction. On above backgrounds, research was carried out on data construction, data description, data conversation as well as data parsing. In modular fixture system, components in the modular fixture base were described according to their CSG-based primitives. So, XML was used to represent the simple data because of its widely using on net and different operational systems. By developing interfaces between diverse CAD systems, the modular fixtur
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Qin, Guo Hua, Hua Yu Zhu, Hai Chao Ye, and Mei Dan Zhou. "Advanced Development Method of the Standard Fixel Library for Computer Aided Fixture Design." Advanced Materials Research 421 (December 2011): 373–76. http://dx.doi.org/10.4028/www.scientific.net/amr.421.373.

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In order to efficiently design a fixture, it is necessary to establish a standard fixel library for CAFD system. Therefore, a SQL Server-based development technology is first employed to manage the parameterized fixel models. And then, in order to construct a fixel model, MFC is adopted to carry out the secondary development of Unigraph environment. Thus, arbitrary fixel can be dimension-drive designed according to a parameterized fixel model. The establishment of the fixel library can to a great extent reduce the trivial and repetitive tasks in the fixture design.
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Kang, Y., Y. Rong, and J. A. Yang. "Geometric and Kinetic Model Based Computer-Aided Fixture Design Verification." Journal of Computing and Information Science in Engineering 3, no. 3 (2003): 187–99. http://dx.doi.org/10.1115/1.1607352.

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Computer-aided fixture design (CAFD) techniques have advanced to the point that fixture configurations can be generated automatically, for both modular fixtures and dedicated fixtures. Computer-aided fixture design verification (CAFDV) is a technique for verifying and improving existing fixture designs. This paper introduces a first comprehensive CAFDV framework which uses both geometric and kinetic models to verify locating completeness, locating accuracy, and fixturing stability. The models can be also used for locating tolerance assignment and the determination of minimum clamping force req
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Isermann, R., and B. Freyermuth. "Process Fault Diagnosis Based on Process Model Knowledge: Part I—Principles for Fault Diagnosis With Parameter Estimation." Journal of Dynamic Systems, Measurement, and Control 113, no. 4 (1991): 620–26. http://dx.doi.org/10.1115/1.2896466.

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A computer assisted fault diagnosis system (CAFD) is considered which allows the early detection and localization of process faults during normal operation or on request. It is based on an on-line engineering expert system and consists of an analytic problem solution, a process knowledge base, a knowledge acquisition component and an inference mechanism. The analytic problem solution uses a process parameter estimation, and the detection of process coefficient changes, which are symptoms of process faults. The process knowledge base is comprised of analytical knowledge in the form of process m
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Dissertations / Theses on the topic "CAFD-system"

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Іванов, Віталій Олександрович, Виталий Александрович Иванов, Vitalii Oleksandrovych Ivanov та В. Є. Карпусь. "Сучасні CAFD-системи у машинобудуванні та перспективи розвитку". Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/3863.

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Aldegård, Alexander, and William Gapinski. "Metodjämförelse för fixturkonstruktion till prototyptillverkning." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-37026.

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The thesis work is done in collaboration with Prodtex AB, which works to develop digital tools to facilitate the constructor´s work in virtual environments, for instance CAFD within CATIA V5. What the client wanted the project participants to perform was a comparison of the company's semi-automatic software for fixture design, and the traditional construction method with CATIA. The reason for the method comparison is because Prodtex AB requires data, which they can present to potential customers. The participants produced a method to enable the necessary components of the project, the method c
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Іванов, Віталій Олександрович, Виталий Александрович Иванов, Vitalii Oleksandrovych Ivanov, Ярослав Вадимович Багрій, Ярослав Вадимович Багрий та Yaroslav Vadymovych Bahrii. "Обгрунтування вибору CAD-системи для функціонування системи автоматизованого проектування верстатних пристроїв". Thesis, ДонНТУ, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42678.

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Проаналізовано функціональні можливості систем конструкторського призначення з метою подальшого використання у системі автоматизованого проектувння верстатних пристроїв.<br>Проанализированы функциональные возможности систем конструкторского назначения с целью дальнейшего использования в системе автоматизированного проектирования станочных приспособлений.<br>The capabilities of CAD systems were analyzed with the aim of further utilization for computer-aided fixture design system.
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Іванов, Віталій Олександрович, Виталий Александрович Иванов, Vitalii Oleksandrovych Ivanov, Ярослав Вадимович Багрій, Ярослав Вадимович Багрий та Yaroslav Vadymovych Bahrii. "База данных - основа проектирования станочных приспособлений". Thesis, ЮЗГУ, 2014. http://essuir.sumdu.edu.ua/handle/123456789/42673.

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Розроблено структуру бази даних для системи автоматизованого проектування верстатних пристроїв. Запропоновано та розроблено бібліотеки для інформаційної підтримки, накопичення та зберігання інформації при проектуванні верстатних пристроїв.<br>Разработана структура базы данных для системы автоматизированного проектирования станочных приспособлений. Предложены и разработаны библиотеки для информационной поддержки, накопления и хранения информации при проектировании станочных приспособлений.<br>The structure of database for computer-aided fixture design system was developed. The libraries for inf
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Farhan, Uday H. "An integrated computer-aided modular fixture design system for machining semi-circular parts." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/555.

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Productivity is one of the most important factors in manufacturing processes because of the high level of market competition. In this regard, modular fixtures (MFs) play an important role in practically improving productivity in flexible manufacturing systems (FMSs) due to this technology using highly productive computer numerical control (CNC) machines. MFs consist of devices called jigs and fixtures for accurately holding the workpiece during different machining operations. The design process is complex, and traditional methods of MF design were not sufficiently productive. Computer-aided de
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Conference papers on the topic "CAFD-system"

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Bai, Yong, and Yiming (Kevin) Rong. "Automated Generation of Fixture Configuration Design." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0089.

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Abstract Flexible fixturing is a necessary aspect of flexible manufacturing systems (FMS) and computer-integrated manufacturing systems (CIMS). Modular fixtures are most widely used in industry for job and small batch production. Computer-aided fixture design (CAFD) has become a research focus in implementing FMS and CIMS. Fixture configuration design is an important issue in CAFD. A review of the current research in CAFD indicates that one major problem impeding the automated generation of fixture configuration design is the negligence of study on fixture structures. This paper investigates f
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Thukaram, Santosh Kumar, Qingjin Peng, and Subramaniam Balikrishnan. "Validation and Identification of Optimal Fixturing Scheme Using VR." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86395.

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Fixtures are important components in manufacturing systems. Fixturing changes because of manufacturing changing from mass production to production in smaller batches and higher variety of products. Computer-aided fixture design (CAFD) systems automate the process of fixture design and verification. Research work has mainly concentrated either on automating the CAFD process or on making it user-friendly and interactive. However a final fixturing scheme may not be optimal because different users may need fixtures to meet different requirements, this paper proposes a conceptual module for the fix
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Wu, Y., Y. Rong, and T. C. Chu. "Automated Customized Fixture Configuration Design for Rapid Response Manufacturing." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0776.

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Abstract Flexible fixturing is a necessary aspect of FMS and CIMS. Computer-aided fixture design (CAFD) has become a research focus in implementing FMS and CIMS. Although modular fixtures have been used in industry as flexible fixtures, there are some limitations to be used in large-batch and mass productions where dedicated fixtures are utilized. By combining CAFD with 3-D lithographic and/or CNC machining techniques, customized fixtures can be rapidly designed and fabricated to reduce manufacturing lead-time. In this paper, an automated customized fixture design system is introduced. Based o
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Li, Hua, and Yiming Rong. "Unified Modeling Language and Object-Oriented Design Pattern Based Computer-Aided Welding Fixture Design System." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28294.

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Most of previous computer aided fixture design (CAFD) research has mainly concentrated on machining fixtures rather than welding fixtures, and how to face the challenges such as dynamic requirements, expansion, maintenance and management in the development of complicated computer aided welding fixture design (CAWFD) software system has received much less attention. Application of Unified Modeling Language (UML) and Object-oriented Design Pattern (OODP) for developing CAWFD software system has been discussed in this paper. CAWFD system functions like design phases, workflow and design subtasks
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Cao, Guozhong, Haixia Guo, and Runhua Tan. "E-CAFD: Extended-Effect Driven Computer-Aided Functional Design." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49382.

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To match for complex product function and to solve insufficient computer aid for functional design, the Extended-Effect driven Function-Behavior-Structure (EE-FBS) model is constructed. A multi-flow and multi-pole effect model is presented by extending the one with single input/output flow in TRIZ. Four effect patterns and three reasoning methods are proposed to create effect chains. The FBS model is extended to an EE-FBS model based on effect through the description of the law of mapping overall function to external behavior, from external behavior to sub-behavior, etc. A functional design pr
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