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2004 Vol. 30, No. 04

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Development of manufacturing science and engineering and its up-to-date research directions
Liu Qiang, Li Zhehao, Tang Xiaoqing
2004, 30(04): 283-289.
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The development history of manufacturing technology was introduced briefly. Then the manufacturing science and engineering, as one subject of science, was investigated in its forming, development and trends. Four parts of the manufacturing science and engineering, the fundamental theory of manufactu...
Development of advanced manufacturing technology
Yao Fusheng
2004, 30(04): 290-295.
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Due to the development of technology and the infiltration of new technology from different subjects, previous manufacturing technology has changed to modern manufacturing technology. A detailed introduction and analysis of the development of advanced manufacturing technology, mainly on designing and...
Principle of precision forming for sandwich panel of large antenna reflector
Zhou Xianbin, Chen Lianfeng, Li Dongsheng
2004, 30(04): 296-300.
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To solve precision forming problem of the antenna panels with large non-developable double-curvature surface, the precision forming principle was proposed, based on "discrete nails die, vacuating press, honeycomb sandwich, stressrelease in-plane, and springback compensation". The problem of rectangl...
Research on IEEE 1394-based virtual multi-MAC-supported fieldbus
Liu Chibin, Huan Ji
2004, 30(04): 301-304.
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In order to solve the performance and efficiency problem in a bus system with different types of devices, a new virtual multi-MAC(media access control)-supported industrial fieldbus protocol was presented based on IEEE 1394. A virtual MAC sublayer on the IEEE 1394 protocol layers was designed. An ad...
Design on the control of robot system for machining large irregular curved face
Yuang Yuang, Wang Zhili, Zhu Ming, Zong Guanghua
2004, 30(04): 305-307.
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A system designed for machining regular graphic units on irregular complex curved surface was presented,and this system includes a 3-DOF right-angle coordinate robot and a 2-DOF positioner. The software for the system was designed, in which the functions of the engineering database management,genera...
Analysis on liquid dispensing principles of robot for fabricating biochip
Zhao Ran, Bi Shusheng, Zhou Qiang, Zong Guanghua
2004, 30(04): 308-311.
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In order to solve the problem of estimating the sample spots diameters in fabricating biochip, the liquid dispensing principles were analyzed. The affections to the sample spots diameters by the factors, such us the tip diameters, printing velocities, and liquid characters, were tested and discussed...
Dexterity analysis of robot for neurosurgery
Xing Hongguang, Wang Lihong, Zhang Yuru
2004, 30(04): 312-315.
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Minimal invasive surgery assisted robot was developed in Robotics Institute in Beijing University of Aeronautics and Astronautics. Based on the requirement of neurological stereotactic surgery, dexterity of the robot was analyzed. Firstly, using concept of service sphere and service section, definit...
Quality management information system for cooperative manufacturing
Lü Qingsong, Qingling Tang
2004, 30(04): 316-320.
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To solve the problem of quality management in cooperative product manufacturing, a model of cooperative quality management information system based on Intranet/Extranet/Internet and ASP application model was proposed, which can bean information system platform for product quality management in coope...
Parametric design of turbine blades based on feature modeling
Song Yuwang, Xi Ping
2004, 30(04): 321-324.
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Considering the geometric features of the air-cooled turbine bladesof the aircraft engines, the methods to sort the features in the parametric modeling of the blades were advanced. A parametric design system was developed with feature-based modeling technology. The development of the parametric modu...
Wavefront algorithm for triangulation of scattered data
Xiong Xinbin, Ning Tao, Tang Rongxi
2004, 30(04): 325-328.
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An approach of wavefront algorithm for automatic triangulation was presented. The first wavefront edge was constructed from an arbitrary point along with its adjacent points, then an appropriate third point was chosen to form a well-shaped triangle. By repetitively updating wavefront and searching n...
Algorithm for rapid slicing STL model
Zhao Baojun, Wang Su, Chen Wuyi
2004, 30(04): 329-333.
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The advantage and disadvantage of existing slicing algorithms for stereolithography model were analyzed, and an algorithm based on the grouping matrix and the active triangle table was developed. In the algorithm, the grouping matrix and the active triangle table were established according the minim...
Development on numerical control testing system for skin stretch-forming and analysis of accuracy
Bai Di, Zhou Xianbin, Li Dongsheng
2004, 30(04): 334-338.
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To study the deformation behavior of aircraft skin parts during the process of stretch-forming, numerical control testing system was established on the basis of universal three-axes loading machine by analyzing the characteristicof skin stretch-forming technique. Velocity control of hydraulic cylind...
Demonstration of an plane electrically actuated brake
Li Hongguo, Wang Kai, Wu Ruixiang, Zhou Shimin, Huang Weiming
2004, 30(04): 339-343.
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A primary design of electrically actuated brake system was presented, and give it-s control theory, simulation and analysis. The design includes servo motor control and construction; The new control theory adopt fuzzy control; In order to analyze the new control theory and study the working situatio...
Fuzzy fault tree analysis on safety of robot for wall cleaning
Li Xijiang, Liu Rong, Zhang Houxiang, Zong Guanghua
2004, 30(04): 344-348.
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The fault tree analysis method was introduced to cope with this problem. Failure tree mode was set up based on robot design scheme and failure analysis. The property and quality of failure tree model was analyzed with fault tree analysis method. To solve the problem of insufficient failure rate of r...
Research on collision-free motion planning of dual redundant manipulators
Jia Qingxuan, Zhan Qiang, Sun Hanxu
2004, 30(04): 349-352.
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Collision-avoidance based motion planning of dual redundant manipulators was analyzed and researched. A method based on distance function was improved and simulation results show the feasibility and usefulness of the work.
Principle of software commutation and application in vector control of AC linear motor
Fan Feng, Liu Qiang
2004, 30(04): 353-357.
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The approach of implementing the field-oriented vector control to AC linear motor was studied based on the analysis of the vector control principle. An experimental system of linear motor control system was built for testing by use of PC and special AD/DA board as the control system hardware. The co...
Development of the fieldbus technology
Xia Jiqiang, Xing Chunxiang, Geng Chunming, Man Qingfeng
2004, 30(04): 358-362.
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A brief review of fieldbus standard was given. In our country, controller area network, foundation fieldbus, profibus and devicenet were prevalent fieldbus technologies in the field of industry process control. Development trends of these fieldbus technologies in recent years were introduced. The em...
Modeling and image processing in infrared thermographic NDT of composite materials
Guo Xingwang, Vavilov V, Guo Guangping, Shao Wei, Liu Yingtao
2004, 30(04): 363-369.
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Infrared thermographic non-destructive testing(IT NDT) was increasingly used in the inspection of composite materials due to large surface,rapid and noncontact testing capabilities. The modeling and thermal image processing of the IT NDT of carbon fibre reinforced plastic(CFRP) were researched here....
Research and application of progressive coding of 3D model and streaming transformation
Li Gongli, Huang Yuyu
2004, 30(04): 370-374.
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A 3D model simplification and coding algorithm, which is suitable for the network transformation according to the actual requirement, was described. Some existing simplification algorithms were compared, and the shortcomings were analyzed. Based on the triangle meshes, a simple and efficient algorit...
Research of human-seat dynamics model and ejection seat dynamic comfort
Wang Chunjie, Zeng Fuming
2004, 30(04): 375-378.
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Dynamic seat comfort is an emphases and difficulty of comfort seat research. In order to research dynamic comfort seat, nine degree of free (9DOF) human-seat system dynamics model was built, then mode analysis of human-body model and frequency response analysis of human-seat system was made in compu...
Research on forming superimposition method of large tesla transformer inner cores
Jiao Hongjie, Qi Bojin, Sun Changming, Gui Fusheng
2004, 30(04): 379-382.
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Based on the basic requirements of cores properties used in tesla transformer ,and the physical and mechanical performance of Fe-Si steel belt, resin glue and piece, formula of Fe-Si steel belt forming section curve used in inner cores was developed .Structure of inner cores and piece forming basic ...
Experimental research of dynamic characteristics for the cartesian-coordinates assembly robot
Li Xiuqin, Zhang Yidu
2004, 30(04): 383-386.
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The dynamic characteristics of the cartesian-coordinates assembly robot were tested using the experimental analysis method. The vibration wave and attenuation time of the terminal of the robot were measured with and without loads. The analysis focuses on the vibration models of typical positions wit...
Study on the wettability of Ti-based brazing filler on titanium-aluminides
Fan Kun, Kang Hui, Qu Ping, Zhu Ying
2004, 30(04): 387-390.
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The wettability of 37.5Ti-37.5Zr-15Cu-10Ni brazing filler metal on titanium-aluminides were investigated by vacuum brazing at the temperature of 910℃ and 1 000℃.The results show that the higher the joining temperature is, the better wettability the filler metal has. Detail analysis shows that the im...
Estimating of composite process capability for conceptual process planning
Zheng Lianyu, Wei Li, Qian Gui-sheng
2004, 30(04): 391-394.
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It is crucial to estimate the process capability of process alternatives selected in the macro-level conceptual process planning during early stage of product development. The classical process capability index is only suitable to estimate micro-level single quality characteristic possessing statist...

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