Product Overview​

BW-5122 is a compact, high-precision MEMS intergrated navigation system​independently. It integrates a high-performance MEMS IMU​ (Inertial Measurement Unit) and supports external GNSS data input. Utilizing ​multi-source Kalman filter fusion algorithms, it delivers continuous, reliable high-accuracy positioning and navigation information in complex environments. Applications include drones, military training equipment, and stabilization platforms

Key Technical Features​

​MEMS IMU Specifications​

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Triaxial Gyroscope Dynamic range: ±500°/s (customizable up to ±4000°/s)

Triaxial Gyroscope Bias stability: 5°/h (GJB standard, 10-second average)

​Triaxial Accelerometer:

Triaxial Accelerometer Dynamic range: ±16g

Triaxial Accelerometer Bias stability: 0.2 mg (GJB standard, 10-second average)

​Calibration: Factory-level temperature and dynamic calibration

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​Advanced Algorithms​

​Adaptive Static/Dynamic Alignment: Optimizes orientation accuracy in motion or stationary states.

​System-Level Error Compensation: Automatically corrects installation misalignment and wheel speed ratio errors

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​Multi-Source Kalman Filter Fusion: Integrates GNSS and IMU data for robust performance in signal-blocked environments (e.g., tunnels, urban canyons)

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​Performance in Challenging Environments​

​Lock Loss Positioning Accuracy: ≤0.2% × D (distance traveled) during GNSS signal loss

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​Interfaces: RS-232, CAN/CAN-FD, PPS, and EVENT protocols for flexible system integration.

​Core Functions​

​Continuous Navigation Output: Combines factory-calibrated IMU data with external GNSS (e.g., odometer and steering inputs) to generate high-frequency position, velocity, and attitude updates.

​Adaptive Data Validation: Self-assesses data reliability through source effectiveness screening and error compensation

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​Complex Scenario Adaptability: Maintains precision in environments like dense urban areas, forests, and tunnels via multi-sensor fusion and dynamic calibration

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​Applications​

​Drone Navigation: High-precision hovering and trajectory tracking.

​Military Training: Stabilized platform control and mission simulation.

​Autonomous Vehicles: Sub-meter positioning in GNSS-denied zones.

​Industrial Machinery: Precision motion control for heavy equipment.

​Competitive Advantages​

​Miniaturized Design: Optimized for space-constrained applications (e.g., UAVs, robotics).

​Cost-Effective Integration: Compatible with industrial-grade MEMS sensors and standard interfaces

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​Military-Grade Reliability: Operates in extreme temperatures (-40°C to +85°C) and withstands shock/vibration