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What is an Inertial Measurement Unit?

An Inertial Measurement Unit (IMU) is a device that typically consists of gyroscopes to measure and report angular rate and accelerometers to measure and report specific force. In this section we delve deeper into the inner workings of an inertial measurement unit to explore all the relevant specifications and information required to select the correct IMU for your application.

Inertial Navigation Articles
What is an Inertial Navigation System?

An inertial navigation system (INS) is a self-contained device consisting of an inertial measurement unit (IMU) and computational unit. The IMU is typically made up of a 3-axis accelerometer, a 3-axiss gyroscope and sometimes a 3-axis magnetometer and measures the system's angular rate and acceleration. The computational unit used to determine the attitude, position, and velocity of the system based on the raw measurements from the IMU given an initial starting position and attitude.

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