Product overview
The BWSENSING BW-MINS225 is a miniature inertial navigation system intended for integration into unmanned aircraft, robots, marine vehicles and stabilization platforms. Its packaged architecture combines gyroscope and accelerometer measurement functions with CAN output, bias tracking and Kalman filtering. The enclosure measures 60 × 59 × 29 mm, defining the component’s physical integration space. Electrical integration uses a 9–36V DC supply and a CAN interface, while temperature compensation accompanies a specified temperature range of -40℃ to +85℃.
Attitude measurement covers pitch through ±90º and roll through ±180º, with dynamic accuracy of 0.5° and static accuracy of 0.01°. Heading holding accuracy is 0.3°/60s. The accelerometer range is ±1.8 g on each of the X, Y and Z axes. Its bias stability figures carry distinct measurement conditions: 0.001mg at 25℃ over 100s and 0.01mg at 25℃ over 10s, both at 1σ. Gyroscope bias stability across the full temperature range is 20°/h at 10s and 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | BWSENSING BW-MINS225 CAN bus miniature inertial navigation system |
| Dynamic attitude accuracy | 0.5° |
| Static attitude accuracy | 0.01° |
| Attitude measurement range | Pitch ±90º; roll ±180º |
| Heading holding accuracy | 0.3°/60s |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope bias stability | 20°/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 100s | 0.001mg25℃, 100s, 1σ. |
| Accelerometer bias stability at 10s | 0.01mg25℃, 10s, 1σ. |
| Supply voltage | 9–36V DC |
| Output interface | CAN |
| Temperature range | -40℃ to +85℃Temperature compensated. |
| Drift compensation | Special bias tracking algorithm for drift elimination |
| Filtering | High performance Kalman filtering algorithm |
| Dimensions | 60 × 59 × 29 mmPackaged product; length × width × height. |
| Applications | Unmanned surface vessels and underwater vehicles; robots; platform stabilization; large ships; automated guided vehicles; automated and driverless operation; special vehicles; unmanned aircraft |
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