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Because servo loop controller is very important in CNC milling machine, fast processing unit is necessary for high-speed multi-axes CNC controlling. This article introduces how to control this High-Speed CNC milling machine by using Field-programmable Gate Array (FPGA). Due to FPGA structure that can process concurrently, it can simultaneously control several axes movement. Therefore, servo loop time...
This paper proposes an inverse model feed-forward neural network (FNN) that does not require any force sensor to control magneto-rheological (MR) dampers. The system is designed by using time-histories of displacement and velocity in combination with desired force to predict voltage input to control MR damper. Unlike conventional MR damper controller, the proposed system does not require force inputs,...
To reduce imported Computer Numerical Control machine and lower retrofitting cost in Thailand, DSP-Based Motion Controller system for Milling Machine was developed. PCI bus is used to communicate with Computer and multiple motors are interfaced via analog and digital pulse-train to control up to eight axes simultaneously. By using S-curve Profile Calculation method, the developed system supports smooth...
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