Servo grand little composite location system of three degrees of freedom on plane of vision

The utility model discloses a servo grand little composite location system of three degrees of freedom on plane of vision, measure the feedback subsystem, set up including support platform, system control and driven element system, vision sensing grand little parallel connection platform subsystem on the support platform, grand little parallel connection platform subsystem including set up on thesupport platform 3 the grand parallel mechanism of moving of RRR, fix 3 grand 3 of the parallel mechanism output that moves of RRR the gentle and agreeable parallel mechanism of RRR fine motion, the position appearance image that vision sensing measurement feedback subsystem is used for gathering grand little parallel connection platform subsystem in real time feeds back to system control and driven element system, system control passes through the circuit with the driven element system and is connected with grand little sub - system circuit of parallel connection platform. The utility model discloses three degree of