How is the fiber optic gyroscope used in military and civilian applications?

Military applications

The fiber optic gyroscope has a wide range of applications in the military because of its superiority in angular rate and acceleration measurement and its significant advantages in dynamic range, sensitivity, and reliability. It can be used for positioning, orientation, and navigation of tanks, submarines, self-propelled artillery, and armored assault vehicles. When satellite navigation is unable to obtain accurate information due to strong electronic interference, fiber optic gyros can be used to ensure autonomous navigation, precise guidance, and accurate target hitting of the aircraft. At the same time, the FOG component is also an important part of the aviation fire control system. It can be used to stabilize the aiming and firing lines of weapon systems such as armed helicopters, ensuring that weapons can search, aim, track and shoot in motion. In addition, fiber optic gyro is also the only effective navigation technology underwater, which can be used for positioning, orientation and navigation of submarines.

Civil applications

In the civil field, it mainly focuses on the application of medium and low-precision fiber optic gyroscopes. The main applications are: automatic navigation, positioning, and vehicle control of ground vehicles; attitude control of agricultural aircrafts, seeding and spraying of pesticides; and finding damage in underground engineering maintenance Positioning tools and rescue tools for the location of power lines, pipelines and communication optical (electrical) cables; used for geodetic surveys, mineral exploration, petroleum surveys, petroleum drilling guidance, tunnel construction, etc., and path surveys, and the use of fiber optic gyro rotation angles And linear displacement to achieve dam tilt survey.

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