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  • Trans Tech Publications, Ltd.  (3)
  • Li, Xiao  (3)
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  • Trans Tech Publications, Ltd.  (3)
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  • 1
    Online Resource
    Online Resource
    Application of Serial Communication Control in the Motion Control System
    Trans Tech Publications, Ltd. ; 2011
    In:  Advanced Materials Research Vol. 328-330 ( 2011-9), p. 1953-1956
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 328-330 ( 2011-9), p. 1953-1956
    Abstract: A serial communication protocol according to motion control (MC) system data format has been developed. Based on taking management platform which can be embedded controller or personal computer (PC) as the MC data sending station and motion controller whose core is Digital Signal Processor (DSP) as the MC data receiving station, the detailed situation of how to use the data transfer protocol and the data processing method in MC system is described. Firstly, the organization format of the serial communication data frame is introduced. Then, the relevant saving format of the MC data received by motion controller is described, and the way of how to receive the MC data from serial port is designed. Finally, the whole process of data saving in RAM and data taking out from RAM by motion controller are stated. With the serial communication protocol, a control solution has been provided in the MC system.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.328-330
    DOI: 10.4028/www.scientific.net/AMR.328-330.1953
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2011
    detail.hit.zdb_id: 2265002-7
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    Online Resource
  • 2
    Online Resource
    Online Resource
    The Design of Carton Samplemaker’s Embedded Numerical Control System Based on Windows CE
    Trans Tech Publications, Ltd. ; 2011
    In:  Advanced Materials Research Vol. 211-212 ( 2011-2), p. 330-335
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 211-212 ( 2011-2), p. 330-335
    Abstract: In this paper, a new embedded numerical control (ENC) system for carton samplemaker based on Windows CE is presented. The hardware design of ENC system based on ARM9 processor S3C2440A and motion control chip MCX314As is discussed principally. Besides, the device driver of MCX314As is developed by using stream interface driver model under Windows CE operating system. Furthermore, the software structure of the ENC system is introduced, and the way how to utilize multi-thread technology to realize the real-time control of the carton samplemaker is also discussed in detail. The system is proved to be good at dealing with multiple tasks processing, real-time and reliability of motion control.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.211-212
    DOI: 10.4028/www.scientific.net/AMR.211-212.330
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2011
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Research on the Velocity Look-Ahead Algorithm in the NC System
    Trans Tech Publications, Ltd. ; 2011
    In:  Advanced Materials Research Vol. 311-313 ( 2011-8), p. 2379-2384
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 311-313 ( 2011-8), p. 2379-2384
    Abstract: Aiming at improving the interpolation efficiency without lowering the machining accuracy, the velocity look-ahead algorithm in the numerical control (NC) system is introduced. Firstly, the machining path’s transferring vector angle model is established, and then the conditions of direct transfer for the adjacent paths are also discussed. Secondly, based on the linear acceleration/deceleration control, the velocity look-ahead algorithm is put forward which can find the approximate-optimal velocity adaptively according to the maximum number of the look-ahead blocks and the geometric properties of the machining path. Finally, the acceleration/deceleration control in the consecutive micro-path can be realized, therefore, the high-speed and smooth transfer of feed-speed among machining path blocks can be achieved.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.311-313
    DOI: 10.4028/www.scientific.net/AMR.311-313.2379
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2011
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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    Online Resource
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