Parameter Description Recommended
values
Pass.
TBMs
Truck
TBMs
Reference
Width‑P
Reference width for GAIN scheduling
2
.
For every material width another value for the
Body‑P parameter is calculated.
100 mm 100 mm
Gradient‑P
Gradient for GAIN scheduling
2
.
The P parameter for body centering is modified
according to the relation:
P = Body‑P + (Material Width - Ref Width‑P)
´ Gradient‑P / 100.
Where the Material Width is the width of the
current breaker.
0 1/mm 0 1/mm
Notes:
1. This value is determined after calibration of the encoder counter.
2. GAIN Scheduling is used to get better performance for wide breaker material.
Typically, use a P value of 30 for small material (between 100 mm and 300 mm).
When the material is wider then 300 mm it is recommended to use a P value of 80.
6.5.2 Default carcass system parameters
Parameter Description Value
Delay Material The time the material must be visible before it is
detected.
10 ms
Template Width The width of the template to calibrate a two
camera system.
xxxx mm
Width Offset The measured distance between the two
cameras calculated after calibration.
In general the value of this parameter is
calculated after the 'Sensor system' calibration
procedure.
xxxx mm
Delta Height The correction of width measurement for
differences in height of the material under the
camera.
This parameter is used to compensate for
differences in width measurement that are
caused by the fact that the material is passing
under the camera at a different height. The
camera system is sensitive to changes in the
vertical position of the material and this
parameter is used to compensate for the effect.
0 mm
Fault Percentage Fault percentage. 100 %
PARAMETERS
System parameters
6
THINKING FORWARD
VMI Vision System VVS (OL82) VVSX 13.0.12.0, VVSU 3.0.6 / 4 / 2016-07-11 / pd#175592
6-23
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