"Hi Janusz,
I don't know why your ST1 only rises four times and your pitch gyro signal rises three times while mine rose one time and fell 6 times. I will investigate this further when I have time.
"The J44 plug we have from fixed…"
MicroPilot Autopilot Users Group
Kevin Surminski's Discussions
Tutorial: How to set up a soft/hard geofence using an .ini file
Starting in Horizon 3.7.965.0 there is a new way for setting/using a geofence to/from an .ini file instead of using the VRS editor and the geofence VRS fields. This new method allows the user to use…Continue
Started Aug 17, 2020
RCPIC with autopilot controlling rudder/yaw
There are some instances where having select PID loops enabled/disabled in PIC mode would be beneficial for integration and loop tuning.By setting arcade config [1680]= 0X100 (256 in base 10) and…Continue
Tags: 1680
Started Feb 19, 2020
How the GPS PPS signal is used by the autopilot.
The pps signal is used for the following functions in the autopilot. The effect if the PPS signal is lost is described:1. Compensating GPS fixes for delay when the option 'GPS delay compensation' is…Continue
Started Nov 27, 2019
In the datalog, is the ‘current speed’ the indicated air speed or true air speed?
One of the standard fields recorded in the datalog is the current speed, Field ID# 1055 [currentSpeed]; By default* this value is measured from the difference in static and dynamic pressure by the…Continue
Started Oct 23, 2019
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"Hi Janusz,
"I was wondering about this connection of S5. Because i didn't have anything connected in S5 on servo board, so maybe this is the source of this Fatal Pitch gyro error. I checked manual and I saw that for Servo 5 I have to…"
"Hi Janusz,
Regarding the POST pitch gyro failure issue:
I'd like you to check both the self test (ST) signals and the pitch gyro signal.
1) J21/J23 pin 3 is ST2. It's normally 0 and goes to 5 V three times during the POST "testing…"
"Hi Janusz,
"Could You maybe know where we can find the configuration options for this xml files?"
This is because the .mat file contains the path. The .mat files are temp files that you can delete.Please delete all the .mat file and…"
"Hi Janusz,
"So do we need to invert the direction of those servos?"No, I wouldn't worry about that since it's flying fine." And then simulate fixed wing finally could take off. It traveled correctly between waypoints, and I…"
"Hi Janusz,I did not realize you are using the new 400 Hz servo board. With this, the fast servo mode MUST be set to fast servos 1-10. So go in to your VRS, flight B tab and set fast servo mode = 5 - Fast servos 1-10. Then transmit that VRS to your…"
"Hi Janusz,
I'd like you to check the servo outputs from the autopilot which are input to the digital interface.
Perform the standard startup procedure.Connect in Horizon and wait for ready.Do not click POWER ON in THWIL center.Disconnect…"
"Hi Janusz,
Did you transfer over your calibration factors from when you did the calibration awhile back?
In the POST log, I see that the default report is the GGGG (GPS report). But in the VRS that you were supposed to…"
"Hi Janusz,
I'd like to narrow down to if the issue lies in the model or not. I'd like you try a specific fixed wing model that we know works. You can find it on Insight under Downloads, CUSTOM tab, Software, Customer specific…"
"Hi Janusz,
1) Looking at the datalog, AGL is all over the place which isn't right. I'm not sure why this is. Is the high time of the AGL signal when viewer with the oscilloscope stable? Can you perform the standard startup procedure, then…"
"Hi Janusz,
The ST signals look good and your RRRR and SSSS reports also look good. While I'm investigating this failure further, I'd like you do to a test. Perform the standard start up procedure. Connect in Horizon. Open sensor monitor…"
"Hi Janusz,
Regarding the AGL, the signal in the oscilloscope screenshot doesn't look as "square" as it should. And in your sensor log, I don't like how inconsistent the values are. The 0 values are expected. Let's keep an…"
"Hi Janusz,
Your jumper wire looks correct.
"Did You meen AGL plug J17 pin 3? "
Yes, I meant AGL plug J17 pin 3. Sorry about that."
"Hi Janusz,Your oscilloscope screenshots show a PWM signal with a high time of about 1.6 ms. For an AGL input, this corresponds to about 0.8 feet which seems right. Also I looked at the model and it specifies that the AGL signal is output on pin 16,…"
"Hi Janusz,
Can you remove the lid of the digital interface box and send me a screenshot of the jumper locations?
Perform the standard start up procedure, then in the digital interface box, probe S16 with an oscilloscope and send me a screenshot of…"
"Hi Janusz,
Field 1089 is not what it should be.1) Can you connect an oscilloscope to J17 pin 3 and send me some screenshots of what this signal looks like? It's supposed to be a PWM signal.2) Here's the AGL signal path: Digital interface…"
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