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Oxford Technical Solutions
Table 24. ISO 8855 intermediate system
Axis Description
X This is the forward direction of the vehicle, projected in to the horizontal plane.
Y This is the lateral direction of the vehicle, pointing to the left, projected in to the
horizontal plane.
Z This is the vertical direction of the vehicle, pointing up.
OxTS Vehicle frame
The OxTS vehicle frame is attached to the body of the vehicle. It is related to the INS
through the rotations in the Orientation page of NAVconfig. It can be changed while the
INS is running using the Quick Config tool of NAVdisplay. The definitions of the vehicle
frame are listed in Table 25 and shown in Figure 11.
Table 25. Vehicle frame definition
Axis Description
X This is the forward direction of the car.
Y This is the right direction of the car.
Z This is the down direction of the car.
Figure 11. Vehicle frame definition
The OxTS vehicle frame is attached to the vehicle and rotates with it in all three axes. The X-axis remains
parallel to the vehicle’s heading, while the Y-axis points to the right and is perpendicular to the vehicle’s
vertical plane of symmetry
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