Compact Fiber Optic Gyroscope Inertial Navigation System

Product Details

Key Features

●Pure inertial positioning accuracy (CEP)≤ 8nmile/h

●Heading accuracy (low dynamic)

≤ 1° secΦ (Φ is the local latitude)

≤ 0.2° (dual antenna GNSS with 1m baseline is valid)

●Heading accuracy (high dynamic)≤ 0.2°

●Attitude accuracy≤ 0.04°

●Three-axis high performance FOGs

●Quartz flexible accelerometer

●Volume 160mm×145mm×82mm

●Weight < 2Kg

●Power < 20W

●Communication interface

RS422/232

Applications

●Automatic control equipment: unmanned aerial vehicles (UAV), robots, precision agriculture, unmanned underwater vehicle (UUV)

●Aerial and ground survey

●Stable platform attitude reference

●Local benchmark and stable platform attitude reference

●Guidance and control

Customized Service

●Customization is available

Compact Inertial Navigation System Designed for Navigation-grade Performance

LKF-FN70 is a GNSS/INS integrated navigation system, which integrates an inertial measurement unit (IMU) and a directional dual-antenna GNSS receiver in an independent structure. The IMU accuracy is navigation-grade and consists of three-axis FOG and three orthogonal quartz flexible accelerometers. The angular motion and the linear acceleration of the carrier can be sensed and relevant navigation data can be processed in real time. The INS which adopt optical fiber solution is cost-effective and easy to maintain.

Designed for Integration of INS and GNSS

LKF-FN70 uses the optimal estimation method for the combination of two different but complementary navigations: Global Navigation Satellite System (GNSS) and Inertial Navigation System (INS). INS have the advantages of full autonomy and can provide stable and continuous navigation information at high frequency. Combining the GNSS advantage of high position accuracy, LKF-FN70 can output stable and continuous three-dimensional navigation information under the condition that satellite signals are not available, which is a tactical grade solution. LKF-FN70 can form RTK real-time differential system with satellite reference station, which can provide centimeter-level position accuracy. Users can choose different positioning modes to ensure that the accuracy of their application is optimal. LKF-FN70 can also be applied to provide information of three axis wave (heave) in the sea.

Exceptional Technology

LKF-FN70 is composed of compact IMU and GNSS, high precision I/F conversion circuit, digital signal processing circuit, and DC power supply. Digital temperature sensor, flexible PCB design, Kalman filter and other technologies are used to realize the miniaturization of the INS and achieve a high accuracy navigation performance.

Optimal estimation method for the integration of INS and GNSS, LKF-FN70 can output stable and continuous navigation information under the condition that the satellite signals are not available. Ideal for UAV, UUV, robots, precision agriculture.

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