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�������պ����ѧѧ�� 2006, Vol. 32 Issue (04) :471-474    DOI:
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������, ���Ѷ�, ����, κ����*
�������պ����ѧ ��е���̼��Զ���ѧԺ, ���� 100083
Embedded CNC system with the μc/os-�� OS
Wang Tianmiao, Chen Youdong, Sun Kai, Wei Hongxing*
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ ������Ƕ��ʽ����ϵͳ�Ľṹ�������.ϵͳӲ��ƽ̨����Ƕ��ʽ΢������ARM(Advanced RISC Machines)���ֳ��ɱ��������FPGA(Field Programmable Gate Arrays),���ƽ̨����μc/os-��ʵʱ����ϵͳ.�����˸�ϵͳ��Ӳ���ṹ.��������ϵͳ���������,������ϵͳ������ṹ,ϵͳ��ģ��,�����Լ���������ȼ�������.ͬʱ������ʵ��ϵͳ��һЩ�ؼ�����.��Ƕ��ʽʵʱ����ϵͳμc/os-����ʵ���˸�ϵͳ,�����ػ����Ͻ����˼ӹ����顢������Ӧ���������Լ�����ŵ翹��������,�������ϵͳ�ȶ��ɿ�.
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Abstract�� An embedded CNC(computer numerical control) system and its hardware and software platform are presented. The system hardware consists of microcontroller ARM(advanced RISC machines) and FPGA(field programmable gate arrays). The CNC system application runs on the ARM, while FPGA is used to connect IO and generate pulses. The software platform utilizes the μc/os-�� OS to provide hard real time capabilities. The CNC controller software architecture which applies a generic open architecture model with a software bus is presented. Some important methods for carrying out the implementing of the CNC controller are researched and demonstrated, including thread cutting. Finally, a real machining experiment on the system mentioned above is introduced. The result shows that it can be successfully used in real manufacturing environment.
Keywords�� computer numerical control   advanced RISC machines   real time system   field programmable gate arrays     
Received 2005-03-23;


About author: ���Ѷ�(1973-),��,����®����,��ʿ��, youdongchen@sohu.com.
������, ���Ѷ�, ����, κ����.����μc/os-��Ƕ��ʽ����ϵͳ����[J]  �������պ����ѧѧ��, 2006,V32(04): 471-474
Wang Tianmiao, Chen Youdong, Sun Kai, Wei Hongxing.Embedded CNC system with the μc/os-�� OS[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(04): 471-474
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2006/V32/I04/471
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