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IT-AUTOFLIGHT V4.0.5

Designing a stable autopilot is one of the hardest things. Need help?

Re: IT-AUTOFLIGHT V4.0.2

Postby Octal450 » Sat Apr 18, 2020 8:38 pm

Addition hotfix pushed ^
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Re: IT-AUTOFLIGHT V4.0.2

Postby Octal450 » Tue Apr 21, 2020 12:48 am

Additional hotfix has been pushed which fixes G/A CLB mode ignoring the altitude target and not levelling off.

Kind Regards,
Josh
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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Sat May 02, 2020 6:17 pm

4.0.3 hotfix has been pushed! Changlog in first post.

It also adds logic for the HDG HLD/SEL modes used at the request of the 747-400 guys - its a flip flop properly, so it won't switch rapidly between HLD and SEL if you turn away in FD mode - like the real plane. See the wiki SDK section for how to use that.

Kind Regards,
Josh
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Re: IT-AUTOFLIGHT V4.0.3

Postby Gijs » Sun May 03, 2020 10:01 am

Hi Josh,

Thanks for the update! I look forward to merging your/their work with the 744 in FGAddon in the near future :-)

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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Sun May 03, 2020 1:57 pm

Hi Gijs,
Thank you! Please let me know if there are any more functionality I can add to ITAF!

I am already adding also a interface system to better have mode name conversion for various aircraft integration.

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Sun May 03, 2020 3:33 pm

ATTENTION
MORE BUGFIXES AND IMPROVEMENTS 4.0.3 VERSION PUSHED! See first post!

Additionally, I am planning to rework the ALIGN, and ROLLOUT modes. They do not work very well right now, and should be corrected. That changes will come in a new version number.
What i believe most airliners do, is align to the runway heading using yaw. Then they bank to keep VOR/LOC. This happens until touchdown, when it using deviation from this heading to keep LOC centered. I believe it should level the wings right before touchdown, but that isn't confirmed. I will be researching autoland functionality in detail before I rework ITAF's. This rework will also fix the behavior of de-rotation.

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Sun May 24, 2020 1:31 pm

Hotfix pushed fixing a bug with the T/O mode reversion in certain conditions.

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Sun May 24, 2020 5:04 pm

SORRY!
another hotfix pushed, fixing the RETARD mode of the A/THR causing inhibiting of some aircraft auto-spoiler systems... sorry! That happened a year ago and I didn't notice.

Pls update all.
A3XX and MD-11 not affected.

Kind Regards,
josh
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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Sun May 24, 2020 11:02 pm

Another RETARD bugfix pushed (sorry lol)

Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.3

Postby Octal450 » Mon Jun 08, 2020 5:00 pm

Hi,
Another 4.0.3 supplement update is now available.

- You can now tell ITAF's A/THR what max and min thrust settings to use, and this can be done dynamically in the sim.
What means that?
It means thrust rating or FADEC systems can tell ITAF where the max/min throttle inputs should be throughout the envelope of speed, altitude, mach, OAT, whatever your system uses! Just normalize the command and send to ITAF and it will be done without compromise!

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.4

Postby Octal450 » Mon Jun 22, 2020 1:18 am

ITAF V4.0.4 IS NOW AVAILABLE!

V4.0.4:
[Control Loop]
* Added: Rollout pitch now lowers nose at specied rate (New config required)
* Improved: FLCH controllers and acceleration/deceleration behavior
* Improved: Completely overhauled FLARE and FPA controllers
* Improved: Minor things to improve stability

[Nasal]
* Fixed: Go Around mode might set an invalid airspeed
* Fixed: Go Around initiation using TOGA button while on ground causes system to reset
* Changed: Moved option to use NAV2 Radio into Input instead of Settings

[GUI]
* VS and FPA are now run through an absolute value filter for animating cockpits easier

WARNING: You must re-copy all ITAF files, gui, Nasal, Systems in, and update the CONFIG MODULE in -set/-main/-common!

Kind Regards,
Josh
Last edited by Octal450 on Fri Jun 26, 2020 2:21 am, edited 1 time in total.
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.4

Postby Octal450 » Fri Jun 26, 2020 2:21 am

IT-AUTOFLIGHT now gives absolute values of VS and FPA for those of you using textranslate (like MD-11) on your cockpits, now you don't have to do stupid bias or other kinda buggy things for it! Simply animate off /it-autoflight/input/vs-abs and /it-autoflight/input/fpa-abs and you are good to go.
Devotion: Make sure that your bindings still go on /it-autoflight/input/vs and /it-autoflight/input/fpa ! Setting the abs will do NOTHING!

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
Aircraft I currently develop: MD-11 (Mainly), A320-family, Secret (Quality over Quantity)

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Re: IT-AUTOFLIGHT V4.0.5

Postby Octal450 » Thu Jul 09, 2020 12:48 am

IT-AUTOFLIGHT V4.0.5 starting.

First change is removing legacy and streamline. The following props have changed!!!

/it-autoflight/input/spd-kts -> /it-autoflight/input/kts
/it-autoflight/input/spd-mach -> /it-autoflight/input/mach

Why did he change? Because people got confused with the switcher between Kts and Mach, /it-autoflight/input/kts-mach. It was a legacy naming, please update your virtual cockpits! (NOTEPAD++ has a handy Replace In Files (under Find in Files tab) feature that I used to do this! Do it only after dropping in the new files! Remember to remove the leading slash just in case for search)

In addition, corrections were made to the min/max clamps of the VS demand controller, and the pitch deg controller.

DO NOT SKIP THIS UPDATE! Future updates have great things coming, and this is a required change!

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
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Re: IT-AUTOFLIGHT V4.0.5

Postby Octal450 » Fri Jul 17, 2020 7:45 pm

IT-AUTOFLIGHT now supports non flyBy type waypoints!

Kind Regards,
Josh
What I do: Flight Dynamics, Systems, Canvas Displays, Autoflight, FlyByWire, Cockpit Animations
Aircraft I currently develop: MD-11 (Mainly), A320-family, Secret (Quality over Quantity)

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Re: IT-AUTOFLIGHT V4.0.5

Postby cyyz_spotter » Sat Aug 01, 2020 3:46 pm

Hi,
I've been trying to implement the IT-AUTOFLIGHT into the A310 recently and the autopilot does show up with the dialog, and autothrust, VS and FLCH all work but somehow LNAV and changing the heading does not work at all. I'm also getting a nasal runtime error in the nasal console that says: "Nasal Runtime Error: nil used in numeric context" that is from line 794 in it-autoflight.nas and is being called from line 343. I did follow all the instructions from the wiki page but I do think I am doing something wrong here
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