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In order to promote the high frequency performance of open architecture CNC system, an embedded CNC controller combining FPGA (Field Programmable Gate Array) technology and real-time Ethernet communication bus was designed, which consisted of an embedded ARM (Advanced RISC Machines) processor and an FPGA. An open source CNC software running under Linux operating system was customized to accommodate...
This paper presents a comprehensive virtual simulation model for CNC systems. The Virtual CNC (VRCNC) has a modular architecture and the special function. It can show movement process and the result, it can also show the effect of different movement mode, the displacement, velocity and acceleration of the process, the rationality of interpolation method and the motion control method. Additional CNC...
The control of acceleration and deceleration of stepper motor is one of the most key technologies of CNC system development. Acceleration is discontinuous in linear acceleration and decleration, which caused impact in NC machining. The exponential algorithm has a strong tracking capability but weak stability at higher speed. The questions could be overcome by conventional S-curve acceleration and...
The industrial sector manifests the necessity of a flexible, efficient and reconfigurable platform to attend the diverse applications in mechatronics. The main difficulty to work with this kind of processes is the necessity of real-time control systems of high performance. The design of an FPGA based platform is presented in this work, which gives support to the research and development of products...
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