Product overview
The Wuxi Beiwei Sensing Technology BW-MINS527 is a packaged micro inertial navigation system for integration into unmanned aircraft and other vehicle or stabilization systems. Its architecture includes gyroscope and accelerometer sensing, with attitude measurement covering pitch ±90º and roll ±180º. Dynamic attitude accuracy is 0.1°, while static accuracy is 0.01°. Heading hold accuracy is specified separately at 0.1°/min, providing a time-based heading performance measure alongside the attitude figures.
The packaged unit occupies L60 × W59 × H29 mm and accepts 9–36V DC power. Selectable RS232, RS485, TTL and Modbus output options provide integration choices; the interface configuration therefore matters when specifying the unit. Its temperature range is -40℃ to +85℃ with temperature compensation, supported by Kalman filtering and a bias-tracking algorithm. Accelerometer range is ±1.8 g on each axis. Accelerometer bias stability is 0.001mg at 25℃, 100s, 1σ, and 0.01mg at 25℃, 10s, 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | BW-MINS527 ultra-high-precision micro inertial navigation system with Modbus protocol |
| Dynamic attitude accuracy | 0.1° |
| Static attitude accuracy | 0.01° |
| Attitude measurement range | Pitch ±90º; roll ±180º |
| Heading hold accuracy | 0.1°/min |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope bias stability | 5°/hAcross the full temperature range; 10s, 1σ. |
| Angular random walk coefficient | Less than 0.1 °/√h |
| Accelerometer 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 |
| Interfaces and protocol | RS232 / RS485 / TTL / ModbusSelectable output options. |
| Temperature range | -40℃ to +85℃With temperature compensation. |
| Dimensions | L60 × W59 × H29 mmPackaged product. |
| Bias tracking | Special bias-tracking algorithm for drift elimination |
| Filtering | High-performance Kalman filtering algorithm |
| Intended applications | Unmanned boats and underwater vehicles; robots; platform stabilization; large vessels; automated guided vehicles; automated and driverless operation; special-purpose vehicles; unmanned aircraft |
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