Vibration Damping; Motor Diagnosis - Baumuller b maXX BM3000 Operating Manual

4.8
Operating Modes

4.8.10.3 Vibration damping

Vibrations can occur in the controlled operation during low speed. These vibrations can
be damped with an additional speed set value. Here the high-frequency component of the
Iq-I term is filtered and added to the speed set value.
n set (P18.21)
Figure 211:
The I-term is guided through a slow filter (Z133.59–) and a fast filter (Z133.58–) and the
difference is then multiplied by a damping factor (Z133.55–). This value is added to the
speed set value.

4.8.10.4 Motor diagnosis

In general the motor diagnosis checks if the notch position search with injection, the set
frequency (Z133.2–), the amplitude (Z133.3–) and the band width (Z133.4–) works and
therefore as well if a motor can be operated encoderless with injection. For this, the highly
frequent voltage is injected in the motor and thereby the electrical angle is slowly in-
creased by discrete steps. Then, the resulting demodulated signal is assigned to the an-
gle in ProDrive (see figure) and can be evaluated. The motor diagnosis is started via the
bit 4 of Z123.1–.
648 Parameter manual b maXX BM3000
Document no.: 5.12001.07
of 820
T fast (P133.58)
Iq-I part (P47.22)
T slow (P133.59)
Control diagram of the vibration damping
-
(P133.55)
d
+
n act (P18.22)
Baumüller Nürnberg GmbH