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Loiter_Turns Radius

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@doggo wrote:

Thank you for all.
I am simulating Mission Planner along with SITL, but I have something problem with Radius on Loiter_Turns in Flight Planning. I found that even if I put 500 Radius and write to SITL, it doesn’t flight like that much distance. finally, I found that even though, I write 500 Radius to SITL, and if I read it from SITL, it is 244 Radius rather than 500.

If anyone knows about the matter here, advise me, please.

Thanks…

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Tarot 650 flyaway issues on Loiter and slow response on sticks

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@Mikeg wrote:

I have a Tarot 650 with a Tmotor Velox 45A 4 in 1 ESC. Also, Tmotor 4006-13 740kv on 4s 5000mah with APC slow fly 12 x 3.8 props and Pixhawk 1. I have flown this drone a couple of times already. The time before this latest flight I did a autotune on the drone. However, I have some issues and if you guys could take a look at the log of my latest flight attached below that would be great. The problem is that when I fly in stabilize mode, the drone does not have any weird oscillation issues. However, when I switch it into altitude hold mode or loiter it begins to have oscillation issues or it seems like a power surge. I am not really sure how to explain it. It sounds like if you were revved the motors up and down like a car but I am at constant throttle. My lastest flight I had the drone in loiter mode and after maybe like 7 minutes the drone started going to the moon or flying away. I couldn’t control it. Therefore, I immediately switched it back into stabilize mode and I could regain control. The reason why I knew something was not right is because in loiter mode it wouldn’t even move that fast on full throttle. I decided to switch it back into loiter mode to see if I could recreate the issue and it happened maybe a few minutes later. Last but not least the drone feels really floaty and doesn’t move that precise compared to the motions of my fingers on the stick. If you guys could look at the log and let me know what is going on I would greatly appreciate it! It would not let me upload log because file is too big so I pasted a Google Drive link to download it.

https://drive.google.com/file/d/1jDjZ7P6Bqi9w_O2EG5kM7phmqn7qmAlE/view?usp=sharing

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Noob here, need help on setting up differential thrusting(skid steering) on an airboat

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@Zack_szh wrote:

Hi everyone, I am very new to this hobby and I’m currently trying to build a dual motor airboat with differential steering. I’ve looked at many posts but they didn’t help that much. I set my frame class as 2 and frame type as 0. I also set up my servo 1 as throttle_left and servo 2 as throttle_right, but they don’t seem to drive the motor at all. Here is what my interface looks like.


According to other posts on the forum this seems to be the correct setup but mine doesn’t work. However when I set servo 1 and servo 2 as motor1 and motor2 they actually spin when armed.

How exactly should I set up differential thrusting and skid steering? I am very new to this hobby so it would be great if anyone can have a screenshot of the servo output setup. Much thanks

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Telemetry will not connect ” no heartbeat received” HELPPPPP!

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@Kharper wrote:

so I got them to read each other finally but when I go to connect them together, it still says no heartbeats received , you know why that may be ? or what I can possibly do next ?

I have version 1.3.74 of mission planner and I’m using ardurover on pixhawk 2.4.8
and I’m using the v2 915 MHz telemetry radio

can someone please help, I’m on a deadline ,
thank you!IMG_7527

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First time user needs some help

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@AeRiAL_PeRpLeXiOn wrote:

hello there,

this is the first time using Mission planner and arduplane but i do have experience with betaflight so im not a complete rookie I have a matek f756 wing that i am setting up for the first time, i am using the latest mp and the latest arduplane downloaded on 1.8.21. so far flashing and setting up the fc has been fairly uneventful, untill i plugged the power in and my esc smoked a fet, the esc was a spedix gs 35amp. i want to provide a dump so you guys can look it over and see if it was any settings that i changed that smoked my esc. can someone explain what and where to get the parameters for you guys to look at.

thank you for you time,
wayne

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Crossfire Wi-fi Mission Planner

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@ukmook wrote:

This might help others trying to connect XF and Wi-fi. Updated XF to latest beta, turned off Bluetooth module (new option?). Changed port from 8888 to 14552 (default mission planner UDP). Click connect. I had previously setup settings to my Wi-fi hub. Now it just connects. Haven’t tested AP mode yet but will have a go at that later today.

I would say it’s about as fast to connect as the Bluetooth module was.

Malc

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Help needed in buying a proper drone kit

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@arshPratap wrote:

Hi guys, I needed some help here. I am a bit confused about buying a drone kit. Would be great if someone could help. The options I am considering are as follows:-

  1. https://robu.in/product/arf-quadcopter-advanced-combo-kit/
  2. 2.https://www.flyrobo.in/quadcopter-drone-combo-with-pixhawk-kit-for-beginner-flysky-fsi6?tracking=ads&gclid=CjwKCAiAi_D_BRApEiwASslbJ9bckR7mzIWOY9Jbb6LqvE3C1rkU36eKnAeB2r3YERVpHC5HfGLCyhoCcs4QAvD_BwE
    also, I was planning to work on other vehicle types supported by Ardupilot and was wondering if just buying this https://robu.in/product/pixhawk-px4-2-4-8-flight-controller-w-shock-absorber-ublox-neo-m8n-gps-gps-folding-antenna-base-set-pixhawk-power-module-433mhz-telemetry-ppm-encoder-combo-kit/?gclid=CjwKCAiAi_D_BRApEiwASslbJx5zQHi_x4EDuVtdORak6lzV9wtEzzLhvSEnPp0LgVrw0tHGcU2PChoCZbsQAvD_BwE would be enough and I can buy other hardware components depeneding upon the project I work on

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Unable to allocate scripting memory

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@ardupilot.td wrote:

Hello,

I updated to 4.05 and I’m getting the message “Unable to allocate scripting memory”. The fc does meet the requirements described in the docs. Its an mRo X2.1. Previously I did not have any issues.

Has there been a change which can result in this issue?

Thx,
Tobias

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Run the Lua Script triggered by a mission command

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@shuheitagawa wrote:

Hi all.

Is it possible to run Lua Script triggered by a mission command?

When the autopilot is powered on the update function will be called periodically.
I’d like to implement something that starts processing triggered by a user instruction (such as the mavlink command).

To explain more specifically, I would like to enable the drone to automatically fly the missions saved in the SD card by triggering the reception of the newly added MavLink Command.

Regards,

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Input inversion after guided mode

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@miw01 wrote:

Dear all,

We tried to test step response on roll axis of test multicopter.
We use Copter-4.0.4 and companion computer (Raspberry Pi4).

First, I set flight mode to Alt_Hold.
When RCIN9 is set under 1500, Pi4 changes to Guided mode and stars sending target roll angle using vehicle.message_factory.set_attitude_target_encode, functon of dronekit.
And when RCIN9 is set over 1500, Pi4 changes the last mode (i.e. Alt_Hold).
We use this sequence to test step resphonse
Also we added 1kg weight changing mount position.
Therefore, the test multicopter tended to vibrate when tilted.

When we changed Guided mode to the last mode, DesRoll and DesPitch sometimes turned in the opposite direction of RCIN1 and RCIN2.

This Figure shows ROLL angle and RCIN1.

Before Guided mode, DesRoll is same direction of RCIN1.

After Guided mode, DesRoll is opposite direction of RCIN1.

And pitch direction acts same.

Before Guided mode:

After Guided mode:

https://drive.google.com/file/d/1y8mfDESvziL9HozXVjbnfosU3irZo5TU/view?usp=sharing

Is there anyone who has had such a phenomenon?

What is the cause?

Thank you.

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Single helicopter flight test Good stable

JOYSTICK setup for multiple vehicles

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@claudio1 wrote:

Hallo, the Joystick setup seems to be unique at Ground Control level; it is possible to setup different parameters depending just on the vehicle type - fixed wing or copter, but it is not possible to setup different configurations related to each single vehicle.
The joystick usage would be much more flexible if the joystick configuration parameters would be related to a single vehicle, thus allowing the same GCS system to be used with multicle vehicles with correct joystick configuration

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Tarot 680 - Upgrade for 35~40 minutes flight endurance. Possible?

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@giliardi wrote:

Hi there,

My Hexa Tarot 680 is flighting like a charm. Ultralow vibrations, good control, good flights.

Setup:

  • Cuav Nora FC
  • Motors SunnySky X4108S 690kv
  • Props Carbon Fiber 13" 5.5"
  • Battery 4S 10400mAh
  • ESCs Hobbywing XRotor 40A
    Others
  • Radio Futaba T10J + RX R3008SB
  • Retract Landing Gear

AUW = ~2Kg
The flight endurance (secure) is about 18min.

I doing two upgrades:

  • Radio + Video Skydroid H16 (Link)
  • Gimbal/Câmera Viewpro/Cuav Q10F (Link)

Now the AUW is going up to 2.6Kg and my flight time is expected to decrease to 13~15min.
I’d like to increase the flight time to 35~40min.

Can I reach this flight time with this frame, changing set of motor/props/battery? Or should I change also the frame?
Could anyone share some setups where can I get endurance like that?

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Release date of ArduRover 4.1?

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@nuryes14 wrote:

Hello everyone,
There was a long story about my journey in implementing ardurover (pixhawk2.1 cube) with jetson tx2 and ROS navigation stack on mobile robot AION R1 rover. !


In case I’d like describe this project later in other posts. I have some observation and notes.
@rmackay9 thank you for your time and contribution this means a lot, right now I’m curious about release time of stable ArduRover 4.1? How can I check the current situation, and what it should be done before the rover dev 4.1 branch would move to the master?

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Crashing during RTL Mode

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@junser wrote:

Drone Newbie here. Trying to parse through my telemetry .bin file, but I am not sure what I am looking at.

My drone is using the pixhawk mini 4.0 with arducopter V4.0.5.

Link to .bin: https://drive.google.com/file/d/1JQ4VSXN0lTpahGvHZ2TpxHzvvmwJl5m-/view?usp=sharing

At the moment, I can fly the drone in loiter and stabilize mode, but when I attempt to use the RTL mode, it gives a FAILSAFE_EKFINAV-1 error falls to the ground. Any help pointing me in the correct direction is much appreciated. Interestingly, the altitude goes into the negatives when this crash happens:

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How to disable (ignoring) the altitude measurements using baro in non GPS environment setting for ArduRover?

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@nuryes14 wrote:

There was a problem with a navigation stack.
Short story:
hardware:
Pixhawk cube + jetson dev kit tx2 + HOKUYO UTM 30LX on aion r1 rover
Software part
AMCL - for localization.
hector_mapping - for mapping.
move_base - package for navigate.

The goal is to make rover able to move around the 2d space and avoiding obstacles by sending the destination point (2d nav goal in Rviz).

The thing is that when you start all you nodes the local costmapp is literally above the global costmap in rviz, which I suppose affected by the transformation from pose topic which come from EKF3 estimator, which in other hands has the parameters such as coordinates x, y and altitude z - which should not be used at all in my case due the 2d configuration space. So any thoughts how to disable baro in software manner ?

EK3_SRC1_POSZ = 0
EK3_SRC2_POSZ = 0
EK3_SRC3_POSZ = 0
changing this parameters doesn’t affect at all.
Tested on Rover 4.1dev, 4.0 Stable, 3.5.2

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New flying/driving mode

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@Koenstruction wrote:

I like to find/create a mode where the vehicle moves on a pre-learned compass-yaw-anlge orientation (like ab-lines in agriculture vehicles). Perhaps this could be done be placing a waypoint 100 meters in front of the vehicle, updating this before it reaches it and minimizing the deviation from the ‘lane’ between origin and waypoint.

I would like to drive our vehicle in manual mode into the right (agriculture) row.
When I’m ready, I like to enable this mode to drive this row on it’s own. Since we can drive into the rows from two directions, it has to deside if it should reverse the learned compass orientation. With this one command it should drive about 400 meters in the new ‘auto’ mode.

I can’t find it anymore in this forum, but I remember reading something similar before …
Is there anybody working on something like this or other flying/driving modes?

Kind regards,
Koen

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Any clue what this error is

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@rickyg32 wrote:

I seem to get this error when ever I connect the drone via USB.
It doesn’t happen any other time.
I will eventually upgrade to the new gold firmware but right now this is occurring on 4.0.3. I had tried to upgrade before and kept getting 4.0.3 …odd…but will try it again.
Just wondering if anyone knew that it is.
image

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Help in crash Analysis - Suspecting compass problem

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@ulfbogdawa wrote:

Hi,

I´m not able to find the causes of this particular crash. It is a Quadcopter with 25Kg, Cube Black and 2 HERE2 serial GPS. Has a radar for height control (crop sprayer quadcopter). The copter went crazy in the moment when changed from LOITER to AUTO. I´m not sure if he flipped over before hitting the ground. The same copter made may flights before with no problems. We are having issues with Compass in Brazil due our week magnetic field (South Atlantic Anomaly). Boths GPSs are mounted outside the UAV in order to minimize interference.

Below the BIN file of this flight.

https://1drv.ms/u/s!Am9EOGWyWxXqhOZJ3WGj0cBhlqaU9Q?e=FmivwE

I appreciate some help in tis case.

Tank you.

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MAVlink over WIFI + APSync + Antenna Tracker

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@marco_ul wrote:

Hi All,

First post, yay! I’ve been struggling setting up my antenna tracker for quite a while now. I have until the end of winter to get it working, so I was trying to figure things on my own, but I’ve reached a point where I need guidance and advices from experienced users. Attached is the setup I’m trying to achieve. It all “works” except I cannot get Mission Planner to connect to both my plane and the tracker at the same time using UDP. If I launch two instances of MP side by side, one with UDP 14550 (tracker) and one with UDP 8888 (Tango2), I see my tracker one one window and my airplane in the other window (Both have GPS lock).

The problem (I think) is that a single instance of MP needs to see both the tracker and the plane to be able to point the tracker in the right direction (it needs something to track). I’m not too sure, but it seems to me that the only way to connect the tracker in MP is to use a USB connection (the usb can be converted to RF too I think).

I was wondering if there is a config file I can modify in APSync on my PiZeroW where the Airplane MAVlink info would be sent to MP in parallel to the tracker info? Or do I need to rethink the design (meaning using the PiZeroW in Access Point mode will not work)?

Thanks for your help!
Marco

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