Joseph Lum
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Joseph Lum's Discussions

Dynamic Acceleration from ArduIMU+ V2

Started this discussion. Last reply by Joseph Lum Feb 22, 2011. 2 Replies

ArduIMU+ V2 currently shows acceleration from the accelerometers taking into account static acceleration of gravity. Is it actually possible to remove this stativ acceleration such that the aircraft…Continue

Increasing sampling rate of ArduPilot/IMU

Started this discussion. Last reply by Andrew A Dec 29, 2015. 2 Replies

In ArduPilot's code, it is commented that if possible 50Hz looping is preferred. However, during flight data collection, collection frequency fell short of 10Hz. Does anyone know if it is possible to…Continue

Tags: frequency, Sampling

Accelerometer data from IMU

Started this discussion. Last reply by Joseph Lum Jan 26, 2011. 2 Replies

I am using ArduPilot with IMU and ublox GPS, connected to an XBee telemetry chip. I need acceleration data from the IMU accelerometers, i.e. raw an3, an4, an5 readings. Hence I tried to modify the…Continue

Tags: IMU, Accelermeter

GPS lat long coordinates

Started this discussion. Last reply by Ken Dec 27, 2010. 4 Replies

To anyone who might know, I'm using the Ublox GS407 GPS unit with ArduPilot and ArduIMU V2+. Just wondering what is the units for the latitude and longtitude of the GPS, I know altitude is in meters,…Continue


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About Me:
New to UAVs and all things autopilot..
Please tell us a bit about your UAV interest
Would like to build an autopilot UAV

Joseph Lum's Blog

Angle of Attack and Sideslip angle estimation from ArduIMU V2+ and GPS data

Posted on November 29, 2010 at 1:29am 6 Comments

Hi, I'm wondering if there's a way to obtain AoA and sideslip angle information from GPS speed data? There is vertical speed and 3d speed so this would probably be able to give me an estimate of the angle of attack, but for sideslip, I would have to have the y-component of the speed. Is there a way to get this from GPS or the IMU unit?

I have also tried it for one whole day but am at a loss of how to get the information to be passed from ArduIMU V2+ to ArduPilot so that I can…


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