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Small Jitter in ATT and Rate Loops Even After Motor Change – Possible Noise...
Hi, I’ve the QUAD-H configuration frame with the AUW of 35kg and I’m facing the issue with small jitter in attitude loop and rate loop. to cross check whether it is FC HW issue like IMU sensor failure...
View ArticleMAV_CMD_NAV_FOLLOW and SITL
Greetings. Does command MAV_CMD_NAV_FOLLOW is supported in SITL? I’m trying to launch a mission via pymavlink with this command but it seems that this command is skipped. If I’m sending this command...
View ArticleQuadplane with pivoting front motors
Has anyone built a quadplane with servo-actuated upward and forward pivoting front motors on the wing booms to avoid having to use a fifth main motor on the fuselage? Would that require a LUA script...
View ArticleDrone Oscillation Issue Over Time
Hello. I have two identical drones. Drone number 1 used to fly stably, but after some time it started to experience oscillations. Nothing on the drone was changed. Later, even after replacing the...
View ArticleHas a Pixhawk ever been used in a full scale aircraft?
Has a Pixhawk ever been used in a full scale, general aviation or experimental aircraft? 5 posts - 5 participants Read full topic
View ArticleHow to get aerodynamic params for "lift and drug" plugin of my own props?
Hello, I want to make own model of copter for Gazebo sitl for my university project, but I can’t understand how I can get information about props for “lift and drug” plugin for 3-blade props(gemfan...
View ArticleIn SITL motor 1 does not spin with motor test
Hello, I’m launching sitl with my ardupilot assembly (a real copter flies with it) and the number 1 motor does not spin during the motor test, with the same ardupilot gazebo files, I’m launching sitl...
View ArticleHex drifting in roll in Loiter after Autotune
I’m hoping someone can point me in the right direction with this as I’m somewhat confused. I recently upgraded from 4.5.7 to 4.6.2, and did an autotoune as the drone felt a bit sluggish after previous...
View ArticleHow to fly with acceleration to the ground in an inverted state using the...
I’ve been using SITL since Gazebo 11, standard gazebo-iris. For control, I use the SET_POSITION_TARGET_LOCAL_NED command with acceleration control only, but when accelerating to the ground more than...
View Article7 inch iflight chimera7 pro vertical fast oscillation
Arducopter Altitude hold Jumpy behavior I just read some previous solutions firstly cover barometer and then decrease these two parameters PSC_ACCZ_P PSC_ACCZ_I Current values are default....
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Can't make HW Ver go BLANK
Kakute F7, 4.6.2. I’m trying to set up the battery monitor (like I have successfully done a dozen times before with this same FC) - I’m using the Battery Monitoring numbers from here: ardupilot.org...
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Altitude fluctuations in ALTH using barometer
Hello, I am looking for some assistance on barometer fluctuations I am experiencing. Vehicle and parameter setup: 2.5" copter on a MicoAir H743V2 AIO. This board has the SPL06 barometer and I have...
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Can't change speed with DO_CHANGE_SPEED during RTL near home
We are trying to slow down our copter before approaching home during RTL, using mavlink DO_CHANGE_SPEED or relative Lua binding, but it doesn’t work properly near the target waypoint, even if we’re...
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Config Rangefinder Jiyi (Avoid Object&Follow Terrain)
Is it possible to use the Jiyi Rangefinder module installed on ArduPilot? I have tried through the CAN and serial ports, but currently the status is prx1: no data. 1 post - 1 participant Read full topic
View ArticleRoban 800 scale helis using Ardupilot
I’m an intermediate user of Ardupilot on my pod and boom heli’s and a few 600 and under sized heli’s with great success. I’ve migrated from the Flywing H1 to various AP compatible F405s and H743s. I’m...
View ArticleWhat may be the root cause to slow GPS 3d fix and less number of Sats
GPS take very long time to get enough sats for 3d fix currently using iflight blitz m10 gps with speedbee f405 v4 and it’s very slow getting 3d fix in addition previously I used in GPS_TYPE to be set...
View ArticleHex triggering error failsafe_terrain-0 and failsafe_terrain-1 unexpectedly
I have a large hexcopter(1200mm) thats repeatedly erroring, triggering a failsafe_terrain-0 and then failsafe_terrain-1 shortly after which then produces a RTL command. This is happening in an auto...
View ArticleKakute F7 - 4.6.2 - Prearm: ahrs: ek3 sources requires baro
Just updated the firmware (via Mission Planner drop-down list) from 4.5.x (older flight controller sitting on my shelf) to 4.6.2 - and now I get this error message: Prearm: ahrs: ek3 sources requires...
View ArticleCopter in SITL rotates uncontrollable along the yaw
Copter in SITL rotates uncontrollable along the yaw when low throttle is applied, and the PWM on servo1-4 also starts jumping, what could it be? And how can i fix it? 1 post - 1 participant Read full...
View Article3D Printed 10 Inch Quad Sudden Unrecoverable Yaw
Hello, Firstly, I am aware there are much better ways and materials to make this work well. However, I have a fully 3D printed 10" FPV quad that I am experimenting with and for the most part, it has...
View ArticlePhone gps for drone
Hi guys I have a phone, which can lock onto a lot of satellites. In a test, I was able to lock onto 46 satellites, which gave me incredible gps accuracy. So, is there any way in which I can use the...
View ArticleWhy does the EKF3 IMU0 constantly stop and start aiding?
Hello, Every time my vehicle boots up, I am endlessly spammed with these messages for each IMU: EKF3 IMU0 stopped aiding EKF3 IMU0 started relative aiding EKF3 IMU0 fusing optical flow What could be...
View ArticleUpgrade firmware in a safe way
some background info: we have successfully built and flew a dodeka-hexa uav (12 rotors) that can lift up tot 80kg. The uav flies ok. Further tuning would make the flight smoother however....
View ArticleAll motors spin when enabling safety switch
Hello Team, Using Cube Orange Plus. ESCs and Radio are calibrated but when safety is being enabled by long pressing the button, motor spins for the duration of button hold till safety is enabled. But...
View ArticleChoosing an F405 stack that supports BDShot
Greetings. I have been trying for sometime to get a Speedybee V3 to work with BDShot, but there seem to be too many issues with this board to have a reliable solution. It seems that V4 solves the...
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