Product overview
The Beiwei Sensing BW-MINS100 is a packaged micro inertial navigation system for integration into unmanned aircraft, robots, marine vehicles and stabilization platforms. Its sensing specification covers attitude, gyroscope and accelerometer parameters, with pitch measurement to ±90º and roll measurement to ±180º. The package measures 60 mm long, 59 mm wide and 29 mm high, defining its physical integration envelope. Electrical integration uses a 9–36V DC supply, with selectable RS232, RS485 or TTL output.
The system combines a bias-tracking algorithm for drift elimination with Kalman filtering and temperature compensation across -40°C to +85°C. Static attitude accuracy is 0.01°, while dynamic accuracy is 1°; heading retention accuracy is 0.5° over 60 seconds. Gyroscope bias stability is 30°/h across the full temperature range under the 10-second, 1σ qualification. Accelerometer bias stability is specified separately at 25°C for 100-second and 10-second intervals, so those figures retain distinct measurement conditions.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Beiwei Sensing BW-MINS100 micro inertial navigation system |
| Dynamic attitude accuracy | 1° |
| Static attitude accuracy | 0.01° |
| Attitude measurement range | Pitch ±90º; roll ±180º |
| Heading retention accuracy | 0.5°/60s60-second interval. |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope bias stability | 30°/hFull 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 over 100 seconds | 0.001mg25°C, 100s, 1σ. |
| Accelerometer bias stability over 10 seconds | 0.01mg25°C, 10s, 1σ. |
| Supply voltage | 9–36V DC |
| Interface options | RS232, RS485 or TTLSelectable output interface. |
| Temperature range | -40°C to +85°CTemperature compensated. |
| Dimensions | L60 × W59 × H29 mmPackaged product. |
| Bias tracking | Special bias-tracking algorithm for drift elimination |
| Filtering | High-performance Kalman filtering algorithm |
| Application areas | Unmanned boats and underwater vehicles; robots; platform stabilization; large ships; automated guided vehicles; automated and driverless driving; special-purpose vehicles; unmanned aircraft |
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