Product overview
The BWSENSING BW-AH55 is an attitude and heading reference system for integration into unmanned aircraft, robots, surveying instruments and other equipment. It supports dynamic and static measurements and incorporates CAN connectivity, a high-performance binary output protocol and Kalman filtering. Its processing features include gyroscope drift compensation, nonlinearity and orthogonality compensation, and a dedicated bias-tracking algorithm for drift elimination. Electrical integration uses a 5-12V DC supply, with operating current of 30mA and a maximum of 40mA. Maximum output frequency is 100Hz, startup delay is under three seconds, and serial communication rates span 2400 to 115200 baud.
Physical formats comprise a packaged unit measuring L55 × W37 × H24 mm and a bare board measuring L33 × W27 × H6 mm. Bare-board length and width may vary by ±1mm; actual dimensions govern. Pitch and roll accuracy is 3° RMS during dynamic measurement and 0.5° RMS during static measurement. Heading accuracy is 3°, with 0.01° resolution for both attitude and heading. Measurement ranges are ±90° in pitch and ±180° in roll. Operating temperature spans -40 to 85°C with temperature compensation, storage temperature spans -55 to 100°C, and shock resistance is 2000g.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | BW-AH55 low-cost CAN-interface attitude and heading reference system |
| Supply voltage | 5-12V DC |
| Operating current | 30mA; 40mA maximum |
| Operating temperature | -40 to 85°C |
| Storage temperature | -55 to 100°C |
| Pitch accuracy | 3° RMS dynamic; 0.5° RMS staticRMS; dynamic and static measurement. |
| Roll accuracy | 3° RMS dynamic; 0.5° RMS staticRMS; dynamic and static measurement. |
| Attitude resolution | 0.01° |
| Tilt range | Pitch ±90°; roll ±180° |
| Heading accuracy | 3° |
| Heading resolution | 0.01° |
| Startup delay | Less than 3s |
| Maximum output frequency | 100Hz |
| Serial communication rate | 2400 to 115200 baud |
| Digital output format | High-performance binary protocol |
| Shock resistance | 2000g |
| Packaged dimensions | L55 × W37 × H24 mmPackaged product. |
| Bare-board dimensions | L33 × W27 × H6 mmBare-board product; length and width may vary by ±1mm, with actual dimensions governing. |
| Measurement modes | Dynamic and static measurement |
| Interface | CAN |
| Gyroscope compensation | Gyroscope drift compensation |
| Calibration compensation | Nonlinearity and orthogonality compensation |
| Bias tracking | Dedicated bias-tracking algorithm for drift elimination |
| Temperature compensation | Temperature compensation-40°C to +85°C. |
| Filtering | High-performance Kalman filtering algorithm |
| Applications | Satellite tracking; high-voltage transmission tower and pole monitoring; aerial work vehicles; underwater ROV navigation; drilling equipment measurement and control; marine surveying instruments; robot control; unmanned aircraft |
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