Product overview
The BWSENSING BW-MINS300 is a micro inertial navigation unit for applications including unmanned aircraft, robots, unmanned boats, underwater vehicles and platform stabilization. Its compact body measures 60 mm long, 59 mm wide and 29 mm high, providing a defined physical envelope for integration into a host system. Its sensing specifications cover gyroscope performance and acceleration measurement along the X, Y and Z axes. Processing features include a high-performance Kalman filter and a dedicated bias-tracking algorithm for drift elimination.
Electrical integration uses a 9–36 V DC supply with selectable RS232, RS485 or TTL output and a maximum output frequency of 500 Hz. Temperature compensation accompanies a temperature range of -40°C to +85°C. Attitude accuracy is 0.3° dynamically and 0.01° statically. The accelerometer range is ±1.8 g on each axis; bias stability is 0.001 mg at 25°C over 100 seconds and 0.01 mg at 25°C over 10 seconds, both at 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | BWSENSING BW-MINS300 micro inertial navigation unit |
| Applications | Unmanned boats and underwater vehicles; robots; platform stabilization; large ships; automated guided vehicles; automated and unmanned driving; special-purpose vehicles; unmanned aircraft |
| Dimensions | L60 × W59 × H29 mm |
| Supply voltage | 9–36 V DC |
| Output interfaces | RS232 / RS485 / TTLSelectable output interface. |
| Temperature range | -40°C to +85°CWith temperature compensation. |
| Drift compensation | Special bias-tracking algorithm for drift elimination |
| Filtering | High-performance Kalman filtering algorithm |
| Dynamic accuracy | 0.3°Dynamic attitude measurement. |
| Static accuracy | 0.01°Static attitude measurement. |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope bias stability | 15°/hAcross the full temperature range; 10 s, 1σ. |
| Gyroscope bias repeatability | Less than 50 °/h1σ. |
| Accelerometer measurement range | ±1.8 gX, Y and Z axes. |
| Accelerometer bias stability at 100 s | 0.001 mg25°C, 100 s, 1σ. |
| Accelerometer bias stability at 10 s | 0.01 mg25°C, 10 s, 1σ. |
| Maximum output frequency | 500 Hz |
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