Product overview
The Wuxi Beiwei Sensing Technology BW-MINS300 is a micro inertial navigation unit intended for integration into systems including unmanned aircraft, robots and stabilized platforms. Its hardware combines gyroscope and accelerometer functions in an external envelope measuring 60 mm long, 59 mm wide and 29 mm high. For installation planning, it requires a 9–36 V DC supply and offers a selectable RS232, RS485 or TTL output interface. Its maximum output frequency is 500 Hz.
Attitude accuracy is specified separately for dynamic operation at 0.3° and static operation at 0.01°. The unit uses Kalman filtering and a special bias-tracking algorithm for drift elimination, with temperature compensation across a −40°C to +85°C range. Gyroscope bias stability is 15°/h across the full temperature range under a 10-second, 1σ condition. The accelerometer covers ±1.8 g on each axis; its bias stability at 25°C is 0.001 mg over 100 seconds and 0.01 mg over 10 seconds, both at 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology Co., Ltd. |
| Model and product type | BW-MINS300 micro inertial navigation unit |
| Dynamic attitude accuracy | 0.3° |
| Static attitude accuracy | 0.01° |
| Supply voltage | 9–36 V DC |
| Drift compensation | Special bias-tracking algorithm for drift elimination |
| Output interfaces | RS232, RS485 or TTLSelectable output interface. |
| Temperature range | -40°C to +85°CWith temperature compensation. |
| Filtering | High-performance Kalman filtering algorithm |
| External dimensions | L60 × W59 × H29 mm |
| 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 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 |
| Applications | Unmanned boats and underwater vehicles; robots; platform stabilization; large vessels; automated guided vehicles; automated and unmanned driving; special-purpose vehicles; unmanned aircraft |
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