# Attitude Control

Attitude control is the process of controlling the orientation of an aerospace vehicle with respect to an inertial frame of reference or another entity such as the celestial sphere, certain fields, and nearby objects, etc.

Controlling vehicle attitude requires sensors to measure vehicle orientation, actuators to apply the torques needed to orient the vehicle to a desired attitude, and algorithms to command the actuators based on (1) sensor measurements of the current attitude and (2) specification of a desired attitude. The integrated field that studies the combination of sensors, actuators and algorithms is called guidance, navigation and control (GNC)

from Attitude Control - Wikipedia

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## 3-DOF Orientation Tracking with IMUs

30 min
Beginner
Article / Blog
Theory

This document is not meant to be a comprehensive review of orientation tracking for virtual reality applications but rather an intuitive introduction to inertial measurement units (IMUs) and...

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## Euler Angles and the Euler Rotation Sequence

70 min
Intermediate
Video
Theory

In this video we discuss how Euler angles are used to define the relative orientation of one coordinate frame to another.

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## Computing Euler Angles: The Euler Kinematical Equations and Poissonâ€™s Kinema...

79 min
Intermediate
Video
Theory

In this video we discuss how the time rate of change of the Euler angles are related to the angular velocity vector of the vehicle. This allows us to design an algorithm to consume...

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## Computing Euler Angles: Tracking Attitude Using Quaternions

74 min
Intermediate
Video
Theory

In this video we continue our discussion on how to track the attitude of a body in space using quaternions. The quaternion method is similar to the Euler Kinematical Equations and Poisson...

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## Drone Control and the Complementary Filter

11 min
Beginner
Video
Theory

Let's talk about the complementary filter and how we can use it to estimate the attitude of a drone using an IMU. It is such a dead simple filter, which is a good reason to learn it, but it...

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## Mounting and Configuring the IMU - dRehmFlight VTOL

4 min
Beginner
Video
Application

This video will show you how to verify proper operation of the IMU for dRehmFlight VTOL before your first flight. It will also show you how to correctly mount the IMU to your aircraft. The...

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