Method and apparatus for the control of gantry machines

Details Method and apparatus for the control of gantry machines Method and apparatus for the control of gantry machines

1999-03-09

2000-12-19

Masih, Karen

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

318574, 318569, 318573, 318580, H02P 546

Patent

active

061631167

ABSTRACT:
Control system for controlling a dynamic physical system. New, substantially decoupled axes are derived from physical axes of a dynamic system. Closed-loop controllers operate on signals representing the new or synthesized axes to control the coordinate parameters. Control signals are then converted into the original physical axes to generate signals to control the original axes. A preferred embodiment is the application of the control technique to a gantry machine having three degrees of freedom. Actual coordinates are converted to one linear coordinate and one rotational coordinate. The bandwidth of controllers operating on these two coordinates are separated so that crosstalk is diminished and performance improved.

REFERENCES:
patent: 4381608 (1983-05-01), Thormann et al.
patent: 5046852 (1991-09-01), Hametner et al.
patent: 5117348 (1992-05-01), Romero et al.
patent: 5579358 (1996-11-01), Lin
patent: 5598453 (1997-01-01), Baba et al.

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