B - Operations – Transporting – 25 – J
Patent
B - Operations, Transporting
25
J
B25J 9/18 (2006.01) B25J 9/14 (2006.01) E02F 3/43 (2006.01) E02F 9/20 (2006.01)
Patent
CA 2087705
An articulated arm employs a controller to generate .delta.r, .delta..THETA. and .delta.z signals for controlling the movement of the arm in r, .THETA. and z directions to produce movement of an end point from an initial location along a desired path toward a desired location. The actual location is determined by sensing the relationships between the arm segments and determining the actual location of the end point. The actual location is continuously compared with the desired location represented by the r, a and z signals and, if the difference between the actual location and desired location exceeds preselected limits, the .delta.r, .delta..THETA. and .delta.z are scaled down thereby redefining the desired location to ensure that the actual arm movement does not lag an unacceptable amount relative to the desired location.
Frenette Real Noel
Lawrence Peter Donald
Rowley C.a.
The University Of British Columbia
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