INS
GUI User’s Manual
Inertial Labs, Inc
TM
Address: 39959 Catoctin Ridge Street, Paeonian Springs, VA 20129 U.S.A.
Tel: +1 (703) 880-4222, Fax: +1 (703) 935-8377 Website: www.inertiallabs.com
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Step 9. In the column “COM-port” in dropdown windows “COMN”
choose СОМ-ports to which the INS units are connected. Click “Scan”
button. In the column “Device Name” INS units are determined in
accordance with chosen COM-ports. Button “ОК” becomes active.
Step 10. If all INS units under test successfully determined, click
button “ОК”. Window “Devices Properties…” will close and found connected
INSs will appear in the accuracy check window instead of label “NoName”.
Step 11. If orientation angles of the INS indicated in the column
“Angles…” correspond to angles with which testing will be carried out, then
this step can be omitted. Otherwise, click the button “Angles” and window
“Accuracy Properties” will appear (see Fig. 8.6), in which the operator sets
check accuracy angles “Accuracy checking points”, the necessary time
“Accumulation Time” of data collecting while the measurement in each
position of the INS, and chooses (if necessary) “Temperature Sensor” for the
temperature control.
Step 12. If angles of obliquity of the INS set on the test bench platform
are known, input their values in fields of the “Tilter” window.
Step 13. With the help of special setup device set sequentially angular
positions of the INS in accordance with the values indicated in “Angles”
column. Then click on “Accumulate Data” button to start INS. See in the
window the behavior of INS angle. After time of run complete, the window is
opened with averaged errors of the INS.
Step 14. Repeat Step 13 for each reference angle indicated in the
“Angles” column.
Step 15. After the end of the accuracy test cycle in all positions given
in the column “Angles”, on the page “Angle Error, deg” the plot of given
angle calculation error is displayed and the minimal and maximal error
values during the test, its root-mean-square value (RMS) are indicated. Also
standard deviation (STD) of measurement noise at last position of the INS is
displayed.
Step 16. To close the accuracy check window (Fig. 8.4) click button ““
in the right upper corner of the window. At this window is appeared with
question about saving plot of error to .bmp file.
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