Installation; Installation Checklist; Position And Alignment - Advanced Navigation Spatial FOG Dual Reference Manual

9

Installation

9.1

Installation Checklist

1. Securely mount the unit to the vehicle following the guidelines in section 9.2.
2. Mount the two GNSS antennas following the guidelines in section 9.5 and then
connect the antenna cables between the antennas and the Spatial FOG Dual
unit. If the two antennas are not installed in the standard configuration of
primary front and secondary rear, the offset will need to be entered into the
Dual Antenna dialogue in Spatial FOG Manager.
3. Connect the connector cable to Spatial FOG Dual and then connect a suitable
power supply as specified in section 9.4. A suitable power supply is included in
the evaluation kit.
4. Connect the USB converter cable to the primary port and a computer, open the
Spatial FOG Manager software and click connect.
5. If the unit is mounted in an alignment other than the standard alignment of X
pointing forward and Z pointing down, this alignment offset will need to be
entered into the Alignment Configuration dialogue in Spatial FOG Manager.
Please see section 9.2.1 for more details.
6. Accurately measure the GNSS antenna offset from the centre of the Spatial FOG
Dual unit to the central base of the antenna in the body co-ordinate frame (X
positive forward and Z positive down) and enter these values into the Alignment
Configuration dialogue in Spatial FOG Manager. Please see section 9.5 for more
details. Please note that the body axes are always X positive forward and Z
positive down irrespective of any alignment offset entered in the previous step.
7. Enter the vehicle type in the Filter Options dialogue in Spatial FOG Manager.
8. The system is now ready for use.
9.2

Position and Alignment

When installing Spatial FOG Dual into a vehicle, correct positioning and alignment are
essential to achieve good performance. There are a number of goals in selecting a
mounting site in your application, these are:
1. Spatial FOG Dual should be mounted in an area that is not going to exceed it's
temperature range.
2. Spatial FOG Dual should be mounted away from vibration where possible.
3. Spatial FOG Dual should be mounted within several metres of the GNSS antenna
where possible.
4. If atmospheric altitude is going to be used, the two vents on the sides of Spatial
FOG Dual should not be obstructed.
5. Spatial FOG Dual should be mounted close to the centre of gravity of the vehicle
where possible.
Spatial FOG Dual Reference Manual
Page 31 of 138
Version 1.0
26/06/2015