Configuration
Parameter manual
b maXX
BM3000
Document no.: 5.12001.07
Baumüller Nürnberg GmbH
294
4.4
Figure 120:
Speed controller gain at stick-slip effect
In addition the controller responds to the stick-slip effect, i.e. if the friction moment drops
abruptly at exceeding of the static friction. This adaption is switched on not before at least
80% of the friction torque is reached and responds, if the actual speed increases faster
than the set speed over several cycles. The speed controller is adapted and the compen-
sation falls via the PT
1
filter to the output value 2 (
), if the direction of revolution
is reversed.
At the speed controller the P term as well as the integral term are amplified shortly by the
same factor (
), in which the factor drops down linearly to the speed set value.
4.4.19.2 Identification of the friction torque curve
The friction torque compensation with PT
1
filter and ramp can be identified automatically.
For this the motor must move between a positive and a negative speed with a slowly in-
creasing ramp. The settings and the identification can be done automatically in ProDrive.
The identification is started via bit 9 of parameter
and their status is displayed
in parameter
.
4.4.19.3 Parameter overview
Functional block:
FbReibmoment[154]
Number
Name
Type
Min
Max
Default Value
Unit
Factor
Read
on
ly
St
o
ra
g
e
D
S
Su
pp
or
t
Cyclic W
rite
154.1
Mode
WORD
0
0xFFFF
0
1:1
X
154.3
Lower speed threshold
FLOAT
-50000000
50000000
0
Grad/s 1:1
X
154.4
Upper speed threshold
FLOAT
-50000000
50000000
0
Grad/s 1:1
X
Содержание b maXX BM2500
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