At present,in the study of the digital twin system of cartesian robots,there is a problem that the digital side does not respond to the real situation of the physical side.To solve this problem,the digital end model is established based on semi-physical simulation technology,and the digital twin sys-tem of cartesian coordinate robot is constructed.The model of digital twin system combined with external vision is designed,and the key technologies involved in constructing digital twin system are analyzed,in-cluding digital terminal model,controller,external vision monitoring and so on.The digital twin system of cartesian coordinate robot is developed and the related functions are realized.
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