Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1998-03-06
1999-11-02
Salata, Jonathan
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318590, B25J 910
Patent
active
059777362
ABSTRACT:
A superimposing control method using a numerical control device, capable of starting and terminating a superimposing control even during movement, without the need of waiting for the adjustment of timing and without rapid acceleration or deceleration. In response to a superimposition command, a motion value distributed to a Z axis of a superimposing axis in a reference system is subjected to acceleration/deceleration processing by an acceleration/deceleration processing section separately provided for superimposition, and the obtained movement value is added to a motion command value for a Z axis of a superimposed axis in a superimposing system. When a superimposition termination command is issued, the motion command value remained in the acceleration/deceleration processing section for superimposition is superimposed on the motion command value for the Z axis of the superimposing system. The superimposition can be smoothly started and terminated without the need to stop the two control systems.
REFERENCES:
patent: 4652804 (1987-03-01), Kawamura et al.
patent: 4949025 (1990-08-01), Iwagaya et al.
patent: 5233276 (1993-08-01), Gleim
Fanuc Limited
Salata Jonathan
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