43
BA053101-en
Pos: 146 /Technis che Dok umentation/A lle G eräte/ Überschr iften/Üb erschriften 1.1.1/A/ Überschr ift 1.1.1: Allrad-Betrieb @ 13\mod_ 1234268717604_75.d ocx @ 337453 @ 3 @ 1
2.10.7
4 Wheel Drive Operation
Pos: 147 /Technis che Dok umentation/ Leis tungsmesstechnik/POWE RDYNO/052301 LPS 3000 R100/BA/Inhalt: 0523 A llrad- Betr ieb @ 13\m od_1234268759573_ 75.docx @ 337479 @ @ 1
Traction Regulation
The traction target value is divided in the front and rear as a function of the support roller RPM.
Fx
n
n
n
Fx
h
-
St
v
-
St
v
-
St
v
⋅
+
=
Fx
n
n
n
Fx
h
-
St
v
-
St
h
-
St
h
⋅
+
=
with
•
Fx
v
Traction front
•
Fx
h
Traction rear
•
n
St-v
Support roller RPM front
•
n
St-h
Support roller RPM rear
•
Fx
Traction total
RPM Regulation
The variable (control of the eddy current brake) is divided between the front and rear axle. This
happens again as a function of the support roller RPM.
y
n
n
n
y
h
-
St
v
-
St
v
-
St
v
⋅
+
=
y
n
n
n
y
h
-
St
v
-
St
h
-
St
h
⋅
+
=
with
•
y
v
Variable front
•
y
h
Variable rear
•
n
St-v
Support roller RPM front
•
n
St-h
Support roller RPM rear
•
y
Variable total
Road Load Simulation
The traction target value which is calculated from the individual Road Loads, is divided between
the front and rear axle as with the normal traction regulation.
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