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How Does an INS Algorithm Really Work?

How does an Inertial Navigation System (INS) really work? What happens between an IMU measurement and a navigation solution? This article explains, step by step, how modern INS algorithms estimate attitude, remove gravity, integrate acceleration into velocity and position, fuse IMU and GNSS data with a Kalman Filter, and continue navigating even when GNSS signals are lost. Whether you’re developing UAVs, autonomous vehicles, EO/IR systems, or other mission-critical platforms, this practical guide reveals what happens inside a professional inertial navigation system.

Your Pressure Sensor May Be Accurate. Your Measurement May Not Be – Why a ±0.5% Accuracy Specification Doesn’t Guarantee a ±0.5% Measurement

Pressure SensorsVariohm

A pressure sensor’s Accuracy specification is only part of the story.
In real-world applications, measurement quality is also affected by temperature, installation, pressure spikes, vibration, electrical noise, and the entire measurement chain. This guide explains why selecting the right pressure sensor requires more than comparing datasheets – it requires understanding the application.

How Does an INS Algorithm Really Work?

Your Pressure Sensor May Be Accurate. Your Measurement May Not Be – Why a ±0.5% Accuracy Specification Doesn’t Guarantee a ±0.5% Measurement

Amironic Ltd.

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