Shenzhen Fire Power Control Technology Co., LTD
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| Attribute | Value |
|---|---|
| Gyro Range | ±400°/s |
| Gyro Zero Bias Stability | 0.5°/h |
| Acc Range | ±30g |
| Acc Zero Bias Stability | 0.05mg |
| Bandwidth | 125 Hz |
| Random walk | 0.1°/√h |
| Interface | RS-422 |
| Power Supply | 5V |
The MEMS inertial measurement unit consists of:
This unit measures three-axis angular rate, three-axis acceleration, and three-axis inclination angle of a carrier. After error compensation (including temperature compensation, installation misalignment angle compensation, and nonlinear compensation), it outputs gyro, loading table, and inclination data through an RS-422 serial port using a defined communication protocol.
| Parameter | Unit | IMU6-1 | IMU6-1A |
|---|---|---|---|
| Measuring range (customizable) | °/s | ±400 | ±400 |
| Zero bias stability (@ Allan Variance) | °/h | 1 | 0.5 |
| Zero bias stability (1s smooth, 1 σ, room temperature) | °/h | 10 | 5 |
| Zero bias stability (10s smooth, 1 σ, room temperature) | °/h | 5 | 1 |
| Zero-bias error over full temperature range | °/h | 20 | 10 |
| Random walk | °/√h | 0.2 | 0.1 |
| Zero-bias repeatability | °/h | 10 | 5 |
| Zero bias acceleration sensitivity | °/h/g | 1 | 1 |
| Resolution | °/h | 2 | 1 |
| Scale factor nonlinearity | ppm | 500 | |
| Scale factor repeatability | ppm | 500 | |
| Cross coupling | % | 0.1 | |
| Bandwidth | Hz | 125 | |
| Parameter | Unit | IMU6-1y-1 | IMU6-1y-2 |
|---|---|---|---|
| Measuring range (customizable) | g | ±10 | ±30 |
| Zero-bias stability (Allan Variance @ 25°C) | mg | 0.02 | 0.05 |
| Zero-bias stability (1s smoothing) | mg | 0.1 | 0.5 |
| Zero-bias stability (10 s smoothing) | mg | 0.05 | 0.2 |
| Zero-bias error over full temperature range | mg | 1 | 3 |
| Random walk | m/s/√h | 0.001 | 0.002 |
| Zero-bias repeatability | mg | 0.1 | 0.5 |
| Scale factor repeatability | ppm | 500 | |
| Scale factor nonlinearity | ppm | 500 | |
| Bandwidth | Hz | 125 | |