Product Overview
BW-5122 is a compact, high-precision MEMS intergrated navigation
systemindependently. 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
:
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
.
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
.
Multi-Source Kalman Filter Fusion: Integrates GNSS and IMU data
for robust performance in signal-blocked environments (e.g.,
tunnels, urban canyons)
.
Performance in Challenging Environments
Lock Loss Positioning Accuracy: ≤0.2% × D (distance traveled)
during GNSS signal loss
.
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
.
Complex Scenario Adaptability: Maintains precision in environments
like dense urban areas, forests, and tunnels via multi-sensor
fusion and dynamic calibration
.
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
.
Military-Grade Reliability: Operates in extreme temperatures
(-40°C to +85°C) and withstands shock/vibration
