Does anyone suggest about the frame of reference of IMU with respect to which roll, pitch and yaw are outputted.
IMU is giving roll, pitch and yaw values. With respect to which system its giving these values.

Thanks in advance
Aditya

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An IMU outputs angular rates and accelerations in the body axis. It does not output roll, pitch, and yaw. An AHRS uses an IMU to compute roll, pitch, and yaw.
Thnaks Tom,

If I am correct, these roll, pitch and yaw values calculated from AHRS are with respect to inertial frame of reference.

If its not so, are these wrt local navigational frame (Eastinf, Northing and Down)?

Thank you again.
The Euler angles (roll, pitch, yaw) output by an AHRS are in the locally-level navigation frame.

An AHRS usually doesn't need to worry about reference frames very much since they use the gravity vector to sense orientation, and the gravity vector is (essentially) in the locally-level navigation frame.

Tom
Hi Tom,

I am working on GPS/INS integration.
It will be helpful for me if can provide some GPS/INS data.

Thanking You,
Aditya

Hello Aditya,

I am working on GPS/INS integration too and I am having too much problem to understand the Arducopter code.

Could you help me to obtain the IMU data giros (Kalman filter)? Now, I have de Gps data from my Mediatek.

Thanks so much,

Andrés.


Hi Aditya!

Any updates on this? I have a research too related to this one. 

Thank you,

Angelica

Hi Tom,

I am working on GPS/INS integration.
It will be helpful for me if can provide some GPS/INS data.

Thanking You,
Aditya


Hi Andres!

Any updates on this? I have a research too related to this one. 

Thank you,

Angelica



Andrés López said:

Hello Aditya,

I am working on GPS/INS integration too and I am having too much problem to understand the Arducopter code.

Could you help me to obtain the IMU data giros (Kalman filter)? Now, I have de Gps data from my Mediatek.

Thanks so much,

Andrés.

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