CL-EP-012: Intelligent Connected Vehicle Combined Inertial Navigation Training Stand

I. Detailed Introduction to the Training Stand

This training stand is specifically designed for autonomous driving technology education, integrating advanced vehicular-grade positioning systems with Real-Time Kinematic (RTK) modules to achieve high-precision, centimeter-level positioning capabilities. The system aims to deepen students' understanding of high-precision positioning technologies in the field of autonomous driving, including the working principles of centimeter-level positioning systems, system components, and how to obtain detailed vehicular posture information (including lateral, longitudinal accelerations, and three-dimensional attitude data). Additionally, the training stand can simulate various issues vehicles may encounter during the positioning process, such as positioning errors, imprecision, and drift points, providing students with practical opportunities to solve these problems.

I. Training Stand Configuration Details

The training stand is equipped with the following main devices and functional modules:

1. Visualization inertial navigation attitude positioning and data display system: Provides intuitive attitude information and positioning data display.

2. Fault simulation setup system: Allows instructors to set specific fault scenarios for teaching and practice.

3. Qianxun service integrated RTK inertial navigation module: Ensures high-precision positioning and navigation.

4. Automotive-grade suction cup GPS antenna: Guarantees high-quality signal reception.

5. High-definition monitor: Used to display real-time data and analysis results.

6. Positioning processing industrial-grade processor (IPC): Offers powerful data processing capabilities.

II. Educational Highlights

By using this training stand, students will be able to master the following key skills and knowledge:

1. Reading and analyzing GNSS positioning satellite signals, including real-time monitoring of satellite numbers.

2. Principles and applications of RTK differential positioning, achieving centimeter-level precise positioning experiments.

3. Analysis and adjustment of positioning errors, including the revision and optimization of device errors.

4. Fault diagnosis and repair of positioning system hardware, such as faults in antennas and receivers.

5. Reading and visual analysis of IMU inertial navigation data, improving data interpretation skills.

6. Reading and calibrating gyroscope attitudes, enhancing practical operational skills.

III. Equipment Technical Parameters

The training stand possesses the following core technical parameters:

1. Combined navigation positioning capability using GNSS and IMU technologies.

2. IMU measurement dimensions: Include 3D acceleration, angular velocity, and magnetic field.

3. Acceleration range: ±2/4/8/16g (selectable), angular velocity range: ±250/500/1000/2000°/s (selectable), angle measurement range: X, Z axis ±180°, Y axis ±90°.

4. High stability: Acceleration stability of 0.01g, angular velocity stability of 0.05°/s.

5. Attitude measurement stability up to 0.01°.

6. Support for multi-frequency reception: Includes multiple frequencies from BDS, GPS, GLONASS, Galileo, QZSS, and SBAS.

7. Single-point positioning accuracy: Horizontal ≤1.5m (RMS); elevation ≤3.0m (RMS). Provides excellent positioning performance.

8. RTK positioning technology further enhances accuracy, with horizontal positioning accuracy ≤8.0mm + 1ppm (RMS), and elevation accuracy ≤15mm + 1ppm (RMS), meeting the needs of high-precision applications.

9. The device supports RS-232 interface, ensuring good device compatibility and data communication capabilities.

10. Complete device package, including the combined navigation host, two satellite antennas, and connection cables, providing a one-stop high-precision positioning solution.

Through such a detailed and comprehensive introduction and configuration description, this training stand not only meets educational and training needs but also reflects its leading position in the field of autonomous driving technology education. Through practical operations and fault diagnosis training, students can gain an in-depth understanding and mastery of high-precision positioning technology in autonomous driving, preparing for future technological challenges.