Inertial Navigation Systems
Inertial Navigation Systems (INS) are a type of navigation system that uses accelerometers and gyroscopes to determine the position, velocity, and attitude of a vehicle relative to a known starting point. INS can operate independently of external references, making them useful in environments where GPS signals are not available or jammed. INS can provide accurate and continuous navigation information, but errors can accumulate over time due to sensor drift. To mitigate this, INS are often integrated with other navigation systems, such as GPS or ground-based beacons, in a process called sensor fusion.
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