Customization: | Available |
---|---|
Type: | Inertial Navigation |
Output Signal Type: | Digital Output |
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Project | Indicators | Remark | |
Gyro |
Measuring range | -300°/s ~+300°/s | |
Resolution | ≤0.5°/h | ||
Bias residual | -1.0°/h ~+1.0°/h | ||
Random walk | 0.05 o / h | ||
Biasstability at room temperature | ≤0.3°/h(1σ) | 10 seconds smoothing, 1H test result | |
Biasstability at full temperature | ≤0.5°/h(1σ) | 10 seconds smoothing, 1H test result | |
Normal-temperature Biasrepeatability | ≤0.3°/h(1σ) | Statistics of 6 test data | |
Biasrepeatability at full temperature | ≤0.5°/h(1σ) | Take 2 Biasdata at full temperature, high temperature, low temperature and normal temperature respectively | |
Scale factor nonlinearity | ≤200ppm | Full temperature and constant temperature | |
Scale factor repeatability | ≤200ppm(1σ) | Full temperature and constant temperature | |
Gyro start time | ≤5s | ||
Gyro bandwidth | 300Hz | Design assurance, batch testing | |
Installation error residual of three-axis gyroscope | ≤30" |
Project | Indicators | Remark | |
Acceleration |
Measuring range | -50g ~ +50g | Design and selection guarantee |
Scale factor nonlinearity | ≤200ppm | Design and selection guarantee | |
Biasstability at full temperature | ≤100ug(1σ) | 10 seconds smoothing, 1H test result | |
Biasrepeatability at full temperature | ≤100ug(1σ) | Take 2 Biasdata at full temperature, high temperature, low temperature and normal temperature respectively | |
Scale factor repeatability | ≤100ppm(1σ) | Design and selection guarantee | |
Random walk | ≤0.02m/s/h1/2 | ||
Add up the starting time | ≤5s | ||
Triaxial addition installation error residual | ≤30" |
Project | Indicators | Remark | |
Alignment accuracy |
North seeking time | ≤5min | Generally, the standard is 3min or 5min. |
Heading Angle Alignment Repeatability | ≤1°/cosL | 1σ | |
Pitch Alignment Repeatability | ≤0.05° | 1σ | |
Roll Angle Alignment Repeatability | ≤0.05° | 1σ | |
North-seeking mode | Optional | It can realize swaying base alignment, GPS auxiliary alignment during travel, odometer auxiliary alignment during travel and main inertial navigation transfer alignment. |
Project | Indicators | Remark | |
Alignment accuracy |
North seeking time | ≤5min | Generally, the standard is 3min or 5min. |
Heading Angle Alignment Repeatability | ≤1°/cosL | 1σ | |
Pitch Alignment Repeatability | ≤0.05° | 1σ | |
Roll Angle Alignment Repeatability | ≤0.05° | 1σ | |
North-seeking mode | Optional | It can realize swaying base alignment, GPS auxiliary alignment during travel, odometer auxiliary alignment during travel and main inertial navigation transfer alignment. |
Project | Indicators | Remark | |
Inertial navigation accuracy |
Accuracy of course angle maintenance | ≤2°/h | |
Pitch Angle Holding Accuracy | ≤0.2°/h | ||
Accuracy of roll angle maintenance | ≤0.2°/h | ||
Pure inertial positioning accuracy | ≤20m(100s) | CEP, without external information assistance | |
Position positioning accuracy of odometer integrated navigation | ≤ 0.2% (mileage greater than 3 km) | ||
Position positioning accuracy of odometer integrated navigation | ≤1m(50s) |