Product overview
The Wuxi Beiwei Sensing Technology BW-MINS425 is a high-precision micro inertial navigation system with CAN output, gyroscope and three-axis accelerometer functions. Its packaged dimensions are 60 mm long, 59 mm wide and 29 mm high, giving a compact physical envelope for installation. It accepts 9–36VDC power and features temperature compensation across -40℃ to +85℃. Applications include unmanned aircraft, robots, platform stabilization, automated guided vehicles, unmanned boats, underwater vehicles, large vessels and special-purpose vehicles.
Attitude measurement covers pitch ±90º and roll ±180º, with dynamic accuracy of 0.2° and static accuracy of 0.01°. Heading retention accuracy is 0.1°/min. The system uses Kalman filtering and a special bias-tracking algorithm for drift elimination. Gyroscope bias stability is 10°/h across the full temperature range at 10s, 1σ. Accelerometer coverage is ±1.8 g on each axis; at 25℃, bias stability is 0.001mg over 100s and 0.01mg over 10s, both at 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type and model | BW-MINS425 high-precision CAN-bus micro inertial navigation system |
| Dynamic attitude accuracy | 0.2° |
| Static attitude accuracy | 0.01° |
| Attitude measurement range | Pitch ±90º; roll ±180º |
| Heading retention accuracy | 0.1°/min |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope bias stability | 10°/hFull temperature range; 10s, 1σ. |
| Angular random walk coefficient | Less than 0.1 °/√h |
| Accelerometer measurement range | ±1.8 gX, Y and Z axes. |
| Accelerometer bias stability at 100 seconds | 0.001mg25℃, 100s, 1σ. |
| Accelerometer bias stability at 10 seconds | 0.01mg25℃, 10s, 1σ. |
| Supply voltage | 9–36VDC |
| Output interface | CAN |
| Temperature range | -40℃ to +85℃Temperature compensated. |
| Dimensions | L60 × W59 × H29 mmPackaged product. |
| Bias tracking | Special bias-tracking algorithm for drift elimination |
| Filtering | High-performance Kalman filtering algorithm |
| Applications | Unmanned boats and underwater vehicles; robots; platform stabilization; large vessels; automated guided vehicles; automatic and driverless driving; special-purpose vehicles; unmanned aircraft |
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