Dynon Avionics SkyView Руководство по настройке - Страница 6
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Печатать страницуAutopilot In‐Flight Tuning Procedures
Pitch Axis – IAS Hold – In‐Flight Tuning Procedure
This procedure tunes the autopilot pitch servo and the flight characteristics of the aircraft in
indicated airspeed (IAS) holds. Before executing this procedure:
1. The autopilot controls should be changed to EXPERT mode (SETUP MENU > AUTOPILOT
SETUP > AUTOPILOT CONTROLS)
2. The ALT bug should be set to an altitude many thousands of feet above the intended
flight testing altitude. This is to keep the autopilot in IAS Hold mode throughout the
procedure.
In‐Flight Procedure
The following list is an overview of the procedure. Each step is described in more detail after
the list, in flow‐chart and textual formats.
1. Establish trimmed level flight on a fixed heading
2. Engage the Flight Director (FD) in TRK and IAS mode
3. Engage the Autopilot (AP)
4. Allow a few minutes of stable flight under AP control
5. Increase IAS target by 10 knots
6. Check for PITCH SLIP indications
a. If observed, disconnect AP, increase PITCH TORQUE by 10% and start over
b. If PITCH TORQUE is already set to 100%, contact Dynon
7. Check if aircraft lags FD command bars
a. If observed, disconnect AP, increase PITCH SENSITIVITY by 2 and start over
b. If ROLL SENSITIVITY is already maxed out, contact Dynon
8. Check if aircraft is "twitchy" in PITCH axis
a. If observed, decrease PITCH SENSITIVITY by 1
b. Increase IAS target by 10 knots
c. Check if aircraft overshoots IAS target
i. If observed, disconnect AP, increase PITCH GAIN by 0.2 and start over
9. Check if aircraft overshoots IAS target
a. If observed and you have been changing PITCH GAIN, disconnect AP, increase
PITCH GAIN by 0.2 and start over
b. If observed and you have not been changing PITCH GAIN
i. If PITCH SENSITIVITY is maxed out, disconnect AP, increase PITCH GAIN by
ii. Otherwise, disconnect AP, increase PITCH SENSITIVITY by 2 and start over
10. If this step has never been reached before, proceed to step 11.
a. Otherwise, skip step 11 and proceed to step 12.
11. Decrease IAS target by 10 knots and return to step 6.
12. Verify acceptable AP Pitch performance
a. If unacceptable, refer to Pitch Troubleshooting Section
b. If acceptable, procedure is complete
1‐6 SkyView Autopilot In‐Flight Tuning Guide ‐ Revision A
0.2 and start over