Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Patent
1998-08-07
2000-01-11
Shoop, Jr., William M.
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
228102, B64C 1702
Patent
active
060139978
ABSTRACT:
The three dimensional probe device of the present invention is mountable on a working end of a fully automated and articulated robotic arm movable through at least five degrees of axial freedom in a global dimensional reference. The three dimensional probe device comprises a base, a carriage, a probe, a Z axis measuring apparatus and a tilt measuring apparatus. The probe tip contacts the work piece surface to be traced with deflections in the workpiece seam or path resulting in movement of the carriage and probe. The probe includes a plate and a ball which is pivotable in a ball socket portion of the carriage. Movement of the carriage in relation to the base provides measurement data for rotational change in the direction of the workpiece path or seam. Tilting of the probe provides measurement data for translational change in the direction of the workpiece path or seam.
REFERENCES:
patent: 5782401 (1998-07-01), Hinrichs
"Development of a Modern Tactile Seam Tracking System" by Christopher B. Smith, (Master Thesis Paper) 1995.
"Development of an Automated Guidance and Dynamic Measurement System for Coordinated Measuring Machines and Robotic Devices" by Kam C. Lau, (Doctoral Thesis Paper) 1981.
"Seam Tracking System for a Modern Industrial Robot" by Christopher B. Smith , Jeffrey S. Noruk, Neil A. Duffie, Elmer G. Blachowiak and John F. Hinrichs; AIAA Robotics Technology Forum: Advanced Developments in Space Robotics, Madison, WI Aug. 1-2, 1996, pp. 171-177.
"Automated Welding Using Spacial Seam Tracing" by John G. Bollinger and Howard L. Harrison; Welding Journal, Nov. 1971.
"A Sensor Based Technique for Automated Robot Programming" by N. Duffie, J. Bollinger, L. Van Aken, R. Piper, J. Zik, C. Hou, K. Lau; Journal of Manufacturing Systems, vol. 3, No. 1.
Computer Controlled Self Programming Welding Machine by J. G. Bollinger and P. W. Ramsey, Reprinted from Welding Journal, May, 1979.
"Automated Three-Dimensional Scanning, Measurement, and Display of Machine Parts" by James J. Zik (Master Thesis Paper) 1983.
Blachowiak Elmer Gerald
Carian Stephen Lee
Duffie Neil Arthur
Heideman Robert James
Predith Michael Harry
Duda Rina I.
Lervick Craig J.
Shoop Jr. William M.
Tower Automotive, Inc.
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