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Reference Body Frame origin. This displacement is measured in the Reference Body
frame.
The displacement is measured as follows:
X component: The distance from the Reference Body Frame origin along the x
axis of the Reference Body Frame to the target on LVX plus offset. A positive
value implies LVX is “forward” of the Reference Body Frame origin.
Y component: The distance from the Reference Body Frame origin along the y
axis of the Vehicle Body Frame to the target on LVX plus offset. A positive
value implies LVX is to the “right” of the Reference Body Frame origin.
Z component: The distance from the Reference Body Frame origin along the z
axis of the Reference Body Frame to the target on LVX plus offset. A positive
value implies LVX is below the Reference Body Frame origin.
4.6.10.2. Reference to Primary GNSS Lever Arm
The Reference to Primary GNSS Lever Arm is the three-dimensional vector defining the
displacement of the GNSS Antenna Phase Centre (APC) from the origin of the
Reference Body Frame. This displacement is measured in the Vehicle Body Frame,
not the Reference Body Frame.
The displacement is measured as follows:
X component: The distance from the Reference Body Frame origin along the x
axis of the Vehicle Body Frame to the GNSS APC. A positive value implies the
GNSS antenna is “forward” of the Reference Body Frame origin.
Y component: The distance from the Reference Body Frame origin along the y
axis of the Vehicle Body Frame to the GNSS APC. A positive value implies the
GNSS antenna is to the “right” of the Reference Body Frame origin.
Z component: The distance from the Reference Body Frame origin along the z
axis of the Vehicle Body Frame to the GNSS APC. A negative value implies the
GNSS antenna is above the Reference Body Frame origin.
4.6.10.3. Reference to DMI Lever Arm
A Reference to DMI Lever Arm is a three-dimensional vector defining the displacement
from the Reference Frame origin to the sensing center of the DMI. This displacement
vector is measured in the Vehicle Frame.
Lever Distances are measured from the Reference Frame origin to the centre of the tread
(where the wheel makes contact with the road) of the DMI instrumented wheel. The DMI
instrumented wheel must be a non-steering wheel.
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