Inertial Navigation System

This product has built-in three-axis integrated high-precision fiber optic gyroscope, three-axis high-precision quartz flexible accelerometer and mobile surveying-level multi-mode multi-frequency GNSS receiver supporting autonomous Beidou function. Through advanced intelligent combined navigation algorithm and Kalman filter, it is optimized for GNSS occlusion and multipath interference, and can achieve high-precision heading, attitude, speed and position measurement of moving carriers. This inertial navigation system also has multiple sensor interfaces such as GNSS/odometer/DVL/barometric altimeter, which can well meet the long-term, high-precision and high-reliability navigation application requirements in complex environments such as urban canyons, and can be used for navigation and control of various unmanned systems. Product features include: fast and accurate determination of initial heading and attitude, support for real-time heading and attitude output, built-in GPS and Beidou dual-mode receiver, support for dynamic fast alignment, INS/GNSS combination integrated design, support for IE post-processing, enhanced Kalman filter algorithm, and resistance to electromagnetic interference and vibration. It can be used in vehicle-mounted, airborne, ship navigation, stability control and other fields.

This product is equipped with a high-precision closed-loop fiber optic gyroscope with a full temperature of 0.001 °/h and a 10ug high-precision quartz accelerometer. It uses multi-sensor data fusion technology to combine inertial measurement with GNSS, enabling long-term high-precision integrated navigation.  The product also has post-processing function, which can be used to improve the heading, attitude, and position accuracy of the product through post-processing software.

The inertial measurement unit (hereinafter referred to as the ‘product’) uses a three-axis integrated fiber optic gyroscope and a three-axis MEMS accelerometer as sensitive devices for angular velocity and visual acceleration, respectively, to measure the angular velocity and acceleration information of each axis of the carrier coordinate system. The angular velocity and acceleration information are sent to the acquisition and processing circuit, and after sampling, filtering, and error compensation, the angular velocity and visual acceleration information are output to the outside world. The product has high precision, small size, light weight, and strong adaptability, suitable for attitude control and inertial navigation. It can be widely used in fields such as autonomous driving, unmanned aerial vehicles, electro-optical pods, submersibles, and missile navigation systems. 

IF3700 adopts a high-precision closed-loop fiber optic gyroscope with a full temperature of 0.01°/h and a 20 μg high-precision quartz accelerometer, which can achieve high-precision pure inertial orientation measurement. It has autonomous compass function and can maintain attitude and heading accuracy for a long time without external assistance. It can be used as the main navigation equipment for large unmanned aerial vehicles, unmanned ships, and unmanned submarines, and is widely used in related fields such as aviation, aerospace, and navigation.

IF3500 is a self-developed fiber optic inertial navigation system with small size and high accuracy, which can achieve self north finding at 0.1°. The system consists of a fiber optic gyroscope with zero bias stability of 0.015°/h, a high-precision quartz accelerometer, and a full system multi frequency satellite module supporting Beidou function. This product can independently search for north navigation and also supports single and dual antenna combinations. Equipped with excellent navigation fusion algorithms, optimized for satellite occlusion, multipath interference, and other situations.

IF3000 is consists of a three-axis integrated fiber optic gyroscope, quartz accelerometer, and a full system multi frequency satellite module that supports Beidou function. This product is equipped with excellent navigation fusion algorithms, which can continuously output stable and reliable navigation information even in the event of satellite loss of lock. After temperature compensation and calibration, the system accuracy is ensured throughout the entire temperature range. This product has rich interfaces and can be connected to sensors such as odometry and DVL. It has good scalability and can customize various statement protocols.

The I6700 series MEMS integrated navigation system is a high-precision, high-reliability, and cost-effective MEMS inertial integrated navigation system, which can be widely used in navigation, control, and measurement fields represented by vehicles, ships, and drones. The I6700 series integrated navigation system integrates high-performance MEMS gyroscopes, MEMS accelerometers, and GNSS satellite receiver chips. By sensing the Earth's rotation angular rate and acceleration, it achieves true heading of the current carrier's motion through static self-alignment, and integrates with the three-dimensional velocity, position, and heading obtained from the satellite GNSS receiver for integrated navigation. The integrated navigation system performs temperature drift of zero bias compensation and full-temperature scale compensation on the internal IMU module to ensure product reliability. The product offers various configuration modes to accommodate different carriers, such as airborne, vehicular, and shipborne. Appropriate scenario modes help ensure long-term measurement accuracy of the carrier's attitude.

I3700 is an integrated navigation system (GNSS/INS) composed of high-performance MEMS sensors, high-precision GNSS systems and high-performance microprocessors.  The built-in self-developed high-reliability integrated navigation algorithm can output the speed, position, attitude and other information of the measured carrier in real time. Users can also externally connect RTCM differential correction data to achieve high-precision RTK positioning. The IP68 waterproof shell-type package can be easily integrated into the user's system. Product model information is as follows:

I3500 is an integrated navigation system (GNSS/INS) composed of high-performance MEMS sensors, high-precision GNSS systems and high-performance microprocessors.  The built-in self-developed high-reliability integrated navigation algorithm can output the speed, position, attitude and other information of the measured carrier in real time. Users can also externally connect RTCM differential correction data to achieve high-precision RTK positioning. The IP68 waterproof shell-type package can be easily integrated into the user's system. Product model information is as follows: