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Inertial navigation system precision agriculture, application in the autonomous driving agricultural machinery industry
Currently, the research on automatic driving navigation systems for agricultural machinery in our country mainly focuses on satellite navigation systems and inertial navigation systems. The inertial navigation system is primarily used to assist in determining the travel direction of agricultural machinery. This system consists of accelerometers, gyroscopes, microprocessors, navigation algorithms, power supply systems, etc. Its basic principle is based on Newton's laws of mechanics in relative inertial space, using gyroscopes, accelerometers, and other inertial elements to sense the acceleration of the moving body during its motion, and calculating the navigation parameters such as position, speed, and orientation of the moving carrier. Sensors in the inertial navigation system can detect the azimuth and attitude of agricultural vehicles to assist in positioning information, which includes three parameters: azimuth, roll angle, and pitch angle.
The XW-GI7635 has a built-in high-precision inertial measurement unit that can autonomously find north; after combining with two dual-frequency GNSS receivers, it outputs the system's azimuth angle and can also output the yaw angle, making it more suitable for various environmental applications; when satellite signals are completely blocked, the device enters inertial navigation mode, and with the high-precision fiber optic IMU, it can still maintain good measurement accuracy for a certain period.
The XW-GI7635 has three built-in modes: vehicle mode, ship mode, and aircraft mode. It can support the introduction of devices such as odometers, airspeed sensors, and DVL (Doppler Velocity Log) for speed compensation according to user needs.
Main Features
● Establish high-precision real-time heading attitude combined navigation calculation output
● Fast directional speed and strong anti-interference capability
● Can serve as a dual-frequency RTK mobile station, with positioning accuracy reaching centimeter level
● Has yaw angle output, especially providing accurate heading and yaw angles for drones, airships, and other applications
Inclination monitoring
X, Y axis, industrial design, small size, low power consumption
Compass heading
X, Y, Z three axis, attitude calculation measurement algorithm
Imu inertial sensor
Three-axis angle, angular velocity, acceleration, magnetic field measurement
Attitude heading reference system
Meet the static, dynamic, high and low temperature of a variety of complex environmental use
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