Ultra-precision robotic system

Details Ultra-precision robotic system Ultra-precision robotic system

2005-04-19

2005-04-19

Black, Thomas G. (Department: 3661)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Robot control

C700S246000, C700S254000, C700S262000, C318S135000, C318S687000, C355S053000, C356S508000, C356S450000, C356S498000, C438S108000, C438S612000, C438S617000

Reexamination Certificate

active

06882901

ABSTRACT:
A multiple degree-of-freedom ultra-precision (DOF) robotic system yielding either rigid body guidance or large deformation analysis (LDRS, i.e. semi-flexible and flexible robotics) is developed based on the technology of integrating a multiple DOF ultra-precision shadow robotic measurement system with a multiple DOF robot for form a closed-loop linkage chain to establish a corresponding closed-loop feedback control of end-effecter of said robotic system without the use and limitation of any target or artificial marker in work-cell as the reference. In this way, the major degrading problems that greatly drag down the positioning accuracy of a robot have been fairly resolved. The embodiment conducts the details of the development of such a multiple DOF ultra-precision robotic system for the general applications in precision engineering.

REFERENCES:
patent: 6144118 (2000-11-01), Cahill et al.
patent: 6327038 (2001-12-01), Maxey
patent: 6730541 (2004-05-01), Heinen et al.
patent: 6744228 (2004-06-01), Cahill et al.
patent: 20010044197 (2001-11-01), Heinen et al.
Yamamoto et al., Task analysis of ultra-precision assembly process for autonomation of human skills, 2001, IEEE, pp. 2093-2098.

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