Product overview
Wuxi Beiwei Sensing Technology’s BW-MINS500 is a compact micro inertial navigation system for integration into unmanned aircraft and other moving platforms. Its sensing specifications cover gyroscope and accelerometer performance, alongside attitude accuracy and heading retention. The unit occupies an external envelope of 60 × 59 × 29 mm and accepts 9–36V DC power. Selectable RS232, RS485 or TTL output provides interface choices for integration with the host platform’s electronics, with the interface selected as part of the configuration.
The BW-MINS500 specifies 0.1° dynamic attitude accuracy, 0.01° static accuracy and heading retention accuracy of 0.1°/min. It combines a bias-tracking algorithm for drift elimination with high-performance Kalman filtering and temperature compensation across -40℃ to +85℃. Gyroscope bias stability is 5°/h over the full temperature range under a 10-second, one-sigma condition. Accelerometer bias stability has separate qualifications: 0.001mg at 25℃ over 100 seconds and 0.01mg at 25℃ over 10 seconds, both at one sigma.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Wuxi Beiwei Sensing Technology BW-MINS500 ultra-high-precision micro inertial navigation system |
| Dynamic attitude accuracy | 0.1° |
| Static attitude accuracy | 0.01° |
| Heading retention accuracy | 0.1°/min |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope bias stability | 5°/hAcross the full temperature range; 10s, 1σ. |
| Accelerometer bias stability at 100 seconds | 0.001mg25℃, 100s, 1σ. |
| Accelerometer bias stability at 10 seconds | 0.01mg25℃, 10s, 1σ. |
| Supply voltage | 9–36V DC |
| Output interface options | RS232 / RS485 / TTLSelectable output interface. |
| Temperature range | -40℃ to +85℃With temperature compensation. |
| External dimensions | L60 × W59 × H29 mm |
| 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 vessels; automated guided vehicles; automated and driverless operation; special-purpose vehicles; unmanned aircraft |
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