The motor shaft motion can be minimized by a shaft angle controller. The structure
and parameters of the speed controller are used for the purpose. The gain can be
scaled via P 391[0] - CON_ICOM_KpScale. The precondition is a preset speed
control loop. Increasing the gain results in a reduction of the motion. An excessively
high gain will result in oscillation and noise. In both methods (1) and (4), the flux
forming current "Isdref" is injected as a test signal.
7.8.4 Test signal generator
It is possible to form various signal types and transfer them to the control. This
function is independent of the control mode and has a direct effect on the control.
Signal types can also be combined. The delta signal form is additionally available,
though at present it is only accessible via the parameter editor. The parameters are
recorded in the parameter list.
7.8.4.1 Overview of test signal generator
Image 7.41: “Test signal generator” screen
MOOG
ID No.: CB40859-001 Date: 11/2020
MSD Servo Drive - Device Help
161
7 Control
Image 7.42: TSIG output: Signal curve of TG
