Design of a position feedback system based on FPGA
Bing Cao · Electronics Optics & Control · 2006
The realization of an angular position feedback circuit based on FPGA is presented in this paper.The principle and method are described for taking a multi-pole,dual-channel rotary transformer as the measurement component for position circuit conversion and error correction.The hardware design of processing circuit based on FPGA is presented.The circuit has been used in several tracking systems.Practice proves that the static and dynamic technical specifications and the performance are ideal.The designed circuit can be applied in a variety of control systems.