Due to their small form factor, miniature Inertial Navigation Systems (INS) are ideal for unmanned aerial vehicles (UAVs) such as multirotors, hybrid and fixed-wing UAVs with SWaP constraints. Miniature INS systems are incorporated into a wide variety of unmanned and autonomous systems including aerial drones, UGVs (unmanned ground vehicles), marine systems including AUVs (autonomous underwater vehicles) and other robotic platforms.
Micro INS often incorporate MEMs (microelectromechanical systems) such as MEMS accelerometers, gyros, and magnetometers, as well as other sensor data, including barometric pressure and GPS/GNSS, to deliver highly accurate estimations concerning attitude/orientation, velocity, and position. Real Time Kinematic (RTK) positioning can also be applied using RTK base station corrections data, to achieve even greater accuracy.
Suited to harsh environments a miniature inertial navigation system doesn’t emit detectable radiation, is not susceptible to jamming and is remarkably self-reliant. Available as either board-level units or self-contained modules, miniature INS modules for unmanned applications are usually encased in lightweight, ruggedized enclosures making them ideal for use in harsh environments. It is possible for micro GPS-INS to determine an accurate True North heading in challenging environments even with magnetometer interference.
Miniature INS are well suited to a broad range of unmanned and autonomous applications, including navigation, object tracking and platform stabilization, as well as directing antennas, radar and cameras. Sectors which utilize micro INS technology include; defense and security, aerial mapping and survey, and search and rescue.