Control structure for the active damping of low-frequency...

Details Control structure for the active damping of low-frequency... Control structure for the active damping of low-frequency...

2006-04-18

2006-04-18

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S280000

Reexamination Certificate

active

07031799

ABSTRACT:
A control structure for the active damping of low-frequency oscillations in numerically-controlled machine tools. The control structure includes an rpm regulator having a proportional component and an integral component. The control structure further includes an active damping element that forms a low-frequency correction signal, which is phase-shifted with respect to an interfering low-frequency oscillation and free of d.c. components, and a summing point that is upstream or downstream of the integral component and receives the low-frequency correction signal.

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patent: WO 01/23967 (2001-04-01), None
patent: WO 02/077484 (2002-10-01), None

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