Product overview
The Wuxi Beiwei Sensing Technology BW-IMU100C is an inertial measurement unit for integration into UAVs, robots, autonomous vehicles and stabilized platforms. Its sensing architecture combines a gyroscope with an accelerometer specified for the X, Y and Z axes. Dynamic compensation, orthogonality compensation and temperature compensation support its measurement functions, with sampling available at up to 500 Hz. Selectable RS232, RS485 or TTL output provides interface choices for integration into a host system. The product is an instrumentation component for these applications.
Mechanical integration can use the packaged product, measuring 60 × 59 × 29 mm, or the bare-board format, measuring 44 × 35 × 11 mm. Bare-board length and width may vary by ±1 mm, so installation space must accommodate that qualification. Electrical integration requires 9–36 V DC, with operating current of 30 mA and a 40 mA maximum. Operation spans -40 to 85 °C. Measurement limits include a ±400°/sec gyroscope range and ±3.6 g accelerometer range; bias-stability figures carry specific temperature and averaging-time conditions.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology |
| Model and product type | BW-IMU100C inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500 Hz |
| Output interfaces | RS232 / RS485 / TTLSelectable interface output. |
| Temperature compensation | Temperature compensation across -40 °C to +85 °C |
| Supply voltage | 9–36 V DC |
| Operating current | 30 mA; 40 mA maximum |
| Operating temperature | -40 to 85 °C |
| Storage temperature | -55 to 100 °C |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope range | ±400°/sec |
| Gyroscope room-temperature bias stability | Less than 30 °/hRoom temperature; 10 s, 1σ. |
| Gyroscope full-temperature bias stability | Less than 20 °/hFull temperature range; 10 s, 1σ. |
| Gyroscope angular random walk coefficient | Less than 0.1 °/√h |
| Gyroscope bias repeatability | Less than 50 °/h1σ. |
| Gyroscope scale-factor nonlinearity | ≤100 ppm1σ. |
| Gyroscope scale-factor repeatability | ≤100 ppm1σ. |
| Accelerometer range | ±3.6 gX, Y and Z axes. |
| Accelerometer resolution | 0.01 mg |
| Accelerometer bias stability at 100 seconds | 0.001 mg25 °C; 100 s; 1σ. |
| Accelerometer bias stability at 10 seconds | 0.01 mg25 °C; 10 s; 1σ. |
| Packaged dimensions | L60 × W59 × H29 mmPackaged product. |
| Bare-board dimensions | L44 × W35 × H11 mmBare-board product; length and width may vary by ±1 mm; actual dimensions govern. |
| Applications | Unmanned vessels, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robotics and UAVs |
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