Servosystem high-speed data interactive communication unit based on USB

• Main Authors: DONG LIECHAO, DAN FENG, YAN BAOKANG, ZHOU FENGXING, LU SHAOWU, MA YAJIE
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2014
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

The invention relates to a servosystem high-speed data interactive communication unit based on a USB. According to the technical scheme, the COM end of an upper computer (1) is connected with the input and output end 2a of a USB interface module (2); the data end and the control end 2b of the USB interface module (2) are connected with the data end and the control end 11b of an FPGA (11) respectively; a data bus and an address bus of the FPGA (11) are correspondingly connected with a data bus and an address bus of a DSP controller (8); the PWM output end of the DSP controller (8) is connected with the PWM input end of a power drive module (10); two current feedback ends of a permanent magnet synchronous motor (9) are correspondingly connected with the input end 8c and the input end 8d of the DSP controller (8); the position feedback end of the permanent magnet synchronous motor (9) is connected with the input end 8b of the DSP controller (8); the output end of the power drive module (10) is connected with the