Chassis
Page 4.5
Design/Components
PDCC includes a two-piece anti-roll bar with a hydraulic swivel motor, a
high pressure oil pump with lines and power distributor, valve blocks for
activating the swivel motors and a control unit for each axle.
Anti-roll Bar With Swivel Motor
The core elements of the system are the active anti-roll bars with
hydraulic swivel motors, which are integrated on front and rear axle
instead of the conventional mechanical anti-roll bars. The hydraulic
swivel motor is connected to one half of the anti-roll bar via the swivel
motor housing and to the other half of the anti-roll bar via the swivel
motor shaft. A vane controller divides the swivel motor into several
chambers, which are filled with oil. A torque that affects the anti-roll bar
is built up by specifically activating individual chambers and changing
the oil pressure. The system has variable control over the oil pressure
and oil flow in both rolling directions and can thus counteract lateral incli-
nation forces in order to keep the vehicle horizontal.
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