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2nd International Conference on Automatic control and Mechatronic Engineering (ICACME2013)

作者： Xiang, Sitong Shen, Muwen Yang, Jianguo Shanghai Jiao Tong Univ Sch Mech Engn Shanghai 200240 Peoples R China

ISBN: (纸本)9783037858653

A distributed numerical control (DNC) strategy for error compensation on Fanuc and Siemens CNC machine tools is proposed. A DNC network is built in multi-Fanuc CNC machine tools and the error compensation of all the machine tools is realized simultaneously. A human machine interface (HMI) is developed for Siemens 840D CNC machine tools, error components are decoupled in the X, Y and Z directions and they are compensated by 840D's own function of thermal error compensation. Experimental verification is conducted and it proves that the proposed DNC strategy for error compensation is an effective and precision manner to improve the accuracy of machine tools.

关键词： distributed numerical control Error compensation CNC machine tool Fanuc Siemens

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Design and Implementation of distributed numerical control in Flexible Manufacturing System

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Journal of Donghua University(English Edition) 2004年第1期21卷 1-6页

作者：周炳海余传猛奚立峰曹永上 School of Mechanical Engineering Shanghai Jiaotong University Shanghai 200030 School of Mechanical Engineering Shanghai University of Engineering Science Shanghai 200336 School of Mechanical Engineering Shanghai Jiaotong University Shanghai 200030 School of Mechanical Engineering Shanghai University of Engineering Science Shanghai 200336o monitor control and manage the work process of computer numerical control machine tools in a flexible manufacturing system (FMS) effectively the distributed numerical coutrol (distributed-NC) software should be innovated with the characteristics of modularization and reconfiguration. In this paper firstly distributed-NC functions in the FMS environment are described. Then we present a design and development method of the real time distributed-NC that is on the basis of the re-coufigurable software and hardware platform and with an object-oriented model concept. Finally to verify the proposed method the distributed-NC software has been implemented in VC++ 6.0 and has been tested in connection with the different physical flexible manufacturing shops.

To monitor, control and manage the work process of computer numerical control machine tools in a flexible manufacturing system (FMS) effectively, the distributed numerical coutrol (distributed-NC) software should be innovated with the characteristics of modularization and reconfiguration. In this paper, firstly, distributed-NC functions in the FMS environment are described. Then, we present a design and development method of the real time distributed-NC that is on the basis of the re-coufigurable software and hardware platform and with an object-oriented model concept. Finally, to verify the proposed method, the distributed-NC software has been implemented in VC++ 6.0 and has been tested in connection with the different physical flexible manufacturing shops.

关键词： flexible manufacturing system distributed numerical control communication protocol computer numerical control.

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Key technologies for the novel distributed numerical control integrated system

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Journal of Chongqing University 2004年第1期3卷 1-5页

作者： TAOGuibao LIUFei WANGShilong CollegeofMechanicalEngineering ChongqingUniversityChongqing400030P.R.ChinaReceived25October2003 revised15March2004

A novel distributed numerical control (DNC) integrated system based on plug-in software technology is proposed. It connects new or old numerical control (NC) machine tools which have inhomogeneous numerical control systems with CAD/CAM system by CANbus network. A DNC computer is able to control 15 sets of NC machine tools reliably at the same time. The novel DNC system increases the efficiency of machine tools and improve the production management level by realizing non-paper production, agile manufacturing, networked manufacturing and so on in the near future. Key technologies to construct the novel DNC integrated system include the integration of inhomogeneous numerical control systems, NC program restart, and algorithm for communication competition. Such system has demonstrated successful applications in some corporations that have acquired good economic benefits and social effects.

关键词： communication distributed numerical control CANbus plug-in software program restart integrated system

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Web-services-based Integration Design of PDM and DNC Systems

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Journal of Donghua University(English Edition) 2007年第1期24卷 30-34页

作者：周炳海王世进曹永上 School of Mechanical Engineering Shanghai Jiaotong University School of Mechanical Engineering Shanghai University of Engineering Science

In a networked manufacturing environment, product data integration is the foundation of collaborative manufacturing among manufacturing enterprises. It is very important to build an effective integration mechanism for product data sharing of manufacturing enterprises in geographically dispersed, heterogeneous system platform. In order to integrate enterprise level product data management (PDM) system and shop floor level distributed numerical control (DNC) system, based on the description of Web services technology, a Web-services-based integration approach is presented for facilitating seamless sharing of product data between PDM and DNC systems in a networked manufacturing environment. In order to verify the validity of the proposed approach, an example-based integration development has been implemented with Java 2 Software Development Kit and Java Web Services Developer Pack in Windows 2000 Professional environment.

关键词： Product data management distributed numerical control Web services Information integration.

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NOVEL STRUCTURE FOR distributed numerical control

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Chinese Journal of Mechanical Engineering 2003年第4期16卷 437-440页

作者： WangShilong JianYi LiuFei RobertYoung InstituteofMechanicalEngineering ChongqingUniversityChongqing400044China DepartmentofManufacturingEngineering LoughboroughUniversityLoughboroughLE113TUUK

Because of an unexpected signal noise within the network or an unpredictedfault with personal computers (PCs), many problems emerge in the implementation of distributednumerical control (DNC) with PCs-based network. To solve the problems, an industrial solution ofinvolving the field-bus technology in DNC communicating area is provided. A kind of advancedField-bus, named controller area network (CAN), is originally developed to support cheap and rathersimple automotive applications. However, because of its good performance and low cost, it is alsobeing considered in automated-manufacturing and process control environments to interconnectintelligent devices, such as modem sensors and actuators. Recently it creates a new role for CANBusin DNC that brings new thinking to DNC. CAN is used as the network platform for connecting machinetools to share information with each other reliably. Additionally, thanks to also applying of'plug-in' technology and a special interface of hardware, this solution exhibits some highcompatibility with different pedigree numerical control (NC) systems, such as Fanuc, Siemens,Cincinnati and so on. In order to improve CANBus for DNC application, a communicating competitionmodel of the basic CAN protocol, called CC model, is then highlighted. This model is able to satisfythe requirements that different machine tools share the communicating bandwidth fairly when theyrun concurrently. Finally the novel view of the latest advancement in CANBus-based DNC incombination with the manufacturing paradigm is also presented.

关键词： distributed numerical control CANBus Fieldbus CAM Manufacturingautomation

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Study on key technologies of DNC system oriented networked manufacturing

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ADVANCES IN ABRASIVE TECHNOLOGY VIII 2005年 291-292卷 667-672页

作者： Wang, MJ Cai, YJ Yan, WG Dalian Univ Technol Key Lab Precis & Nontradit Machining Technol Minist Educ Dalian Peoples R China DaLian Sanyo Compressor Co Ltd Dalian Peoples R China

ISBN: (纸本)9780878499748

As one of major methods to meet information integration of numerical control machines in workshop, DNC (Direct numerical control or distributed numerical control) oriented networked manufacturing (Web-DNC system) differs dramatically from conventional ones by having: (1) concurrently supporting networked manufacturing;(2) sharing the numerical control machines via network;(3) optimizing the configuration and reorganization of numerical control resources. This paper deals with the key technologies of Web-DNC system, including: the implementing architecture model with four layers (user layer, service layer, agent layer and facility layer) and the topology architecture. The BL2000 SCM is selected as a COM server to meet the required capabilities of DNC controller. Compared with the communication architecture with fieldbus, a simpler function model of DNC communication technology based on Ethernet technology is presented. A Web-DNC system prototype is developed and proved to be effective in information integration of numerical control machines in injecton workshop.

关键词： DNC networked manufacturing direct numerical control distributed numerical control

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LAN-DNC STRUCTURED BOTTOM UP FOR CIMS

LAN-DNC STRUCTURED BOTTOM UP FOR CIMS

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7TH IFAC/IFIP/IFORS/IMACS/ISPE SYMP ON INFORMATION control PROBLEMS IN MANUFACTURING TECHNOLOGY

作者： SHEN, F XIAO, X WU, X BEIJING UNIV AERONAUT & ASTRONAUT DEPT MFG ENGN BEIJING 100083 PEOPLES R CHINA

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LAN-DNC Structured Bottom Up for CIMS

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IFAC Proceedings Volumes 1992年第7期25卷 263-266页

作者： F. Shen X. Xiao X. Wu Department of Manufacturing Engineering Beijing University of Aeronautics and Astronautics Beijing 100083 PRC

This paper proposes a simplified CIM model. For its implementation, a bottom up approach is used. That is, at first, DNC systems are installed; then, the DNC systems are connected to factory mainframe computer via a local area networks(LAN). This approach provides a firm foundation for CIMS. It is also a low cost, low risk way to realize factory automation.

关键词： CAD CAM CNC Computer-Integrated Manufacturing Systems (CIMS) Direct numerical control distributed numerical control Local Area Networks(LAN)

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