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[PART, 1.0.2] Anatid Robotics / MuMech - MechJeb - Autopilot - Historical thread

r4m0n

By r4m0n
in KSP1 Mod Releases

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FrancoisH

FrancoisH

Posted
Posted

Hello there,

Maybe someone can help me with a little issue... My ship is constantly rolling back and forth when using the ascent helper. It even do a complete flip around itself after the first staging... I don't understand what's making it doing so as I'm able to perfectly launch my ship with KOS when I used this one. (same design).

Maybe can you help me with that? Probably my ships have to much lift surface or something like that, if you have an idea about what can be wrong to cause this issue.

Kind regards.

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Guest Space Cowboy

Guest Space Cowboy

Posted
Posted

Quick question. I would like to play multiplayer either thru the current multiplayer mod or whenever it comes standard with Kerbal. My goal is to have a station my friend and I can fly up to and rendezvous, and fly back down to the surface whenever we want.

My question: does MechJeb provide automatic guidance to rendezvous and perhaps even dock with an orbiting object? Thanks to anyone willing to answer!

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Surefoot

Surefoot

Posted
Posted
Hello there,

Maybe someone can help me with a little issue... My ship is constantly rolling back and forth when using the ascent helper. It even do a complete flip around itself after the first staging... I don't understand what's making it doing so as I'm able to perfectly launch my ship with KOS when I used this one. (same design).

Maybe can you help me with that? Probably my ships have to much lift surface or something like that, if you have an idea about what can be wrong to cause this issue.

Kind regards.

Are you using FAR ? If so, when using aerodynamic control surfaces, disable engine gimbals. Or build your rocket in a way you dont need aerodynamic controls (longer is better)...

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FrancoisH

FrancoisH

Posted
Posted

Sorry for being such a stupid buy but what do FAR stand for. Maybe I use these parts not knowing their name. Is it the active winglets? If so, yes I do use them because my rocket was quite unstable without those. I'll try to follow your suggestions ;) Anyway I started a new campaign now I have set up all my plug-ins as I wanted. Was quite hard to get a few of these working...

Some test mission are rather hard to complete. Especially those requiring a specific speed and altitude to test a part. I discovered I could use R10 boosters at middle altitude... I made a little rocket early using 4 of those. 2 activated at first ignition then staging to a standard liquid fuel rocket with two middle sized tanks (sorry, I have trouble remembering all the parts names). Then reaching the 20km as requested at the right speed activated the two remaining after cutting of the throttle of the main engine... and I got to orbit with this configuration as it wasn't expected initially ;)

Never thought to use rockets this way, as a mid ascension booster. Was quite funny in fact. Even a 100 km orbit with this configuration.

Anyway thank you, MechJeb is a fabulous tool, as kOS is too as well.

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Starwaster

Starwaster

Posted
Posted
I notice this when I went put in the new dev version #341. There is a white blank area in the toolbar area.

Oh oh....

That might not be MechJeb's fault.

That might be my fault.

Did you click the white square?

If it's what I think it is, just ignore it..... it's harmless.

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therealcrow999

therealcrow999

Posted
Posted
Oh oh....

That might not be MechJeb's fault.

That might be my fault.

Did you click the white square?

If it's what I think it is, just ignore it..... it's harmless.

I believe its harmless, I think you can click the area and nothing happens.

I didn't notice it was white until I moved it to have something in background other then the sky, It originally looks clear.

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code99

code99

Posted
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Well, after trying mechjeb 335 release and loving the new features i had to revert back to an older release because i had around 8 - 10 fps no matter what rocket i was flying (be it large or small).

Anyway, i have been experiencing a problem recently that might not be entirely mechjeb related.

When mechjeb executes maneuvering nodes it does it great until towards the end of the burn when the node suddenly either starts jumping all over the nav ball or just goes to the back of the rocket and mechjeb tries to follow it thus ruining the whole thing.

It might not be such a big deal when circularizing but it really hurts when trying to reach another planet/moon.

Idk why this is happening and it doesn't happen all the time ... Last time it happened on a satellite, a small rocket, simple and symmetrical and not wobbly and yet the node just went nuts and mechjeb followed screwing my long and tedious burn ...

Why is this happening?

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Popeholden

Popeholden

Posted
Posted
Well, after trying mechjeb 335 release and loving the new features i had to revert back to an older release because i had around 8 - 10 fps no matter what rocket i was flying (be it large or small).

Anyway, i have been experiencing a problem recently that might not be entirely mechjeb related.

When mechjeb executes maneuvering nodes it does it great until towards the end of the burn when the node suddenly either starts jumping all over the nav ball or just goes to the back of the rocket and mechjeb tries to follow it thus ruining the whole thing.

It might not be such a big deal when circularizing but it really hurts when trying to reach another planet/moon.

Idk why this is happening and it doesn't happen all the time ... Last time it happened on a satellite, a small rocket, simple and symmetrical and not wobbly and yet the node just went nuts and mechjeb followed screwing my long and tedious burn ...

Why is this happening?

I don't know, but try adjusting the tolerance on the maneuver node window.

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Galane

Galane

Posted
Posted
With the Kerbtown/RSS loaded, or just the https://github.com/MuMech/MechJeb2/raw/master/LandingSites.cfg file added somewhere ?

If you used just the file you need to add sites to it.

No kerbtown or RSS. I downloaded that LandingSites.cfg But WHAT FOLDER does it go in so that the Island Runway will show up as a landing location choice?

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JedTech

JedTech

Posted
Posted (edited)
No kerbtown or RSS. I downloaded that LandingSites.cfg But WHAT FOLDER does it go in so that the Island Runway will show up as a landing location choice?

I think I need more instruction, or something isn't working as intended. I've got my landingsites.cfg placed in my mechjeb folder (due to lack of any other instruction). I copied the contents of this file: https://raw.githubusercontent.com/MuMech/MechJeb2/master/LandingSites.cfg and notice the 3rd site I've added to LandingSites.


MechJeb2Landing
{
    LandingSites
    {    
        Site
        {
            name = KSC Pad
            latitude = -0.09694444
            longitude = -74.5575
            // body = "Kerbin" // if not set defaults to the starting world (Kerbin, Earth for RSS)
        }
        Site
        {
            name = VAB
            latitude = -0.09694444
            longitude = -74.617
        }
        Site
        {
            name = Mid Runway
            latitude = -0.049284
            longitude = -74.621956
        }
    }
    Runways
    {
        Runway    
        {
            name = KSC runway
            // body = "Kerbin" // if not set defaults to the starting world (Kerbin, Earth for RSS)
            start
            {
                latitude = -0.050185
                longitude = -74.490867
                altitude = 67
            }
            end
            {
                latitude = -0.0485981
                longitude = -74.726413
                altitude = 67
            }
        }
        Runway    
        {
            name = Island runway
            start
            {
                latitude = -1.517306
                longitude = -71.965488
                altitude = 132
            }
            end
            {
                latitude = -1.515980
                longitude = -71.852408
                altitude = 132
            }
        }
    }
}

I would expect my new "Mid Runway" site to be available in the Landing Guidance module, but still my only options are VAB and KSC Pad.

Edited by JedTech
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Surefoot

Surefoot

Posted
Posted

On latest release version (2.4.0) i got some funky docking autopilot behaviors recently, like overshooting the target dock position completely before going on axis, while having the message "moving to position at 0.00m/s" instead of backing up, going towards axis and moving forward as usual.

Target has multiple docking ports, it's almost like it picks the opposite docking port... All the while it stays completely off axis. Auto bounding box seems correct according to the figures i see in the docking window.

Did you fix something in more recent dev releases concerning auto docking ?

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