G - Physics – 05 – D
Patent
G - Physics
05
D
342/22.1
G05D 3/00 (2006.01) B25J 9/16 (2006.01) F22B 37/00 (2006.01) G05B 19/23 (2006.01) G05B 19/414 (2006.01)
Patent
CA 1068382
ABSTRACT OF THE DISCLOSURE A method and apparatus are provided for controlling the movement of a surface traversing apparatus across a member which has an ordered array of openings in its surface. A multiplicity of automatic move control routines are provided which are respectively operative to move the traversing appa- ratus incrementally over the surface of the member by at least disengaging one of a pair of stepping arms from the member, incrementally moving the stepping arm transversely of the mem- ber and re-engaging the stepping arm with the member. Each move control routine is operative to advance the traversing apparatus a move increment in one of a multiplicity of dif- ferent directions, with certain of the move routines moving the traversing apparatus parallel to lines or rows of member openings respectively and other move routines moving the appa- ratus diagonally of the lines and rows of member openings. Each move routine senses the relative positioning of the two stepping arms to establish the sequence of operations required to move the traversing apparatus an increment in the appropriate direction. Each move routine provides for returning a stepping arm to a former position should it be unable to satisfactorily engage the member following a move step. The move control routines may be stored in a properly programmed digital controller for execution in response to a selection operation which may be either semi-automatic or auto- matic, the latter serving to move the traversing apparatus toward a target member opening in the array by comparing the present location of the apparatus with the target address and selecting the appropriate move routine. Selection of the move routines is done such as to minimize the number of move incre- ments utilized in attaining the target.
265839
Cooper David E.
Hendee Leon C. (iii)
Hill Walter G. (jr.)
Leshem Adam
Marugg Martin L.
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