Inertial Measurement unit (IMU) is the unit widely used to refer to box containing
three accelerometers and three gyroscopes, optionally three magnetometers and also pressure and
temperature. The implementation of inertial sensor such as an accelerometer is a device that
measures an acceleration or as we know as g-force. Single- and multi-axis models of accelerometer are
available to detect magnitude of it. A gyroscope is a spinning wheel or disc in which the axis of rotation
is free to assume any orientation. When rotating, the orientation of this axis is unaffected by tilting or
rotation of the mounting, according to the conservation of angular momentum. Because of this,
gyroscopes are useful for measuring or maintaining orientation. Inexpensive vibrating structure gyroscopes
manufactured with MEMS technology have become widely available. MEMS gyroscopes are used in
automotive roll-over prevention and airbag systems, image stabilization, and have many other potential
applications. Magnetometers are measurement instruments used for two general purposes: to measure
the magnetization of a magnetic material like a ferromagnetic, or to measure the strength and, in some
cases, the direction of the magnetic at a point in space. In recent years magnetometers have been
miniaturized to the extent that they can be incorporated in integrated circuits at very low cost and are
finding increasing use as compasses in consumer devices such as mobile phones and tablet computers.
Inertial Measurement unit (IMU) is the unit widely used to refer to box containingthree accelerometers and three gyroscopes, optionally three magnetometers and also pressure andtemperature. The implementation of inertial sensor such as an accelerometer is a device thatmeasures an acceleration or as we know as g-force. Single- and multi-axis models of accelerometer areavailable to detect magnitude of it. A gyroscope is a spinning wheel or disc in which the axis of rotationis free to assume any orientation. When rotating, the orientation of this axis is unaffected by tilting orrotation of the mounting, according to the conservation of angular momentum. Because of this,gyroscopes are useful for measuring or maintaining orientation. Inexpensive vibrating structure gyroscopesmanufactured with MEMS technology have become widely available. MEMS gyroscopes are used inautomotive roll-over prevention and airbag systems, image stabilization, and have many other potentialapplications. Magnetometers are measurement instruments used for two general purposes: to measurethe magnetization of a magnetic material like a ferromagnetic, or to measure the strength and, in somecases, the direction of the magnetic at a point in space. In recent years magnetometers have been miniaturized to the extent that they can be incorporated in integrated circuits at very low cost and arefinding increasing use as compasses in consumer devices such as mobile phones and tablet computers.
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