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TDF61A Airborne Optical Gyro Inertial Navigation System with ≤50μg Bias Repeatability, >20000 Hours MTBF, and ≤0.01°/√hr Random Walk for Aviation Navigation

Key Attributes
Brand Name: NAVI OPTICS
Model Number: TDF61A
Place of Origin: China
Certification: CCS
Minimum Order Quantity: one set
Supply Ability: 10 sets per month
Delivery Time: 5-8 work days
Payment Terms: L/C,T/T
Standard Packaging: Carton box

Product Summary

TDF61A airborne optical gyro INS delivers ≤4nm/h position accuracy with multi-sensor fusion. Features 20,000+ hour MTBF, -40°C to 60°C operation, and supports ground/in-flight alignment for fixed/rotary-wing UAVs.

Product Custom Attributes

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inertial navigation system aviation

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Airborne Optical Gyro Inertial Navigation

Months Bias Repeatability:
≤50μg
Months Scale Factor Accuracy:
≤500ppm
Bias Repeatability:
≤0.3°/hr
Scale Factor Accuracy:
≤500ppm
Random Walk:
≤0.01°/√hr
Vibration:
20~2000Hz,6.06g
MTBF:
>20000 Hours
Product Description
Aviation Navigation TDF61A Airborne Optical Gyro Inertial Navigation
The TDF61A airborne optical gyro inertial navigation system utilizes optical gyros and quartz accelerometers as core sensing components, operating under strapdown or dither-modulated navigation architecture. High-speed embedded software processes sensor data in real-time to deliver continuous positioning and orientation outputs. This system integrates multiple navigation sources including GNSS satellite signals, celestial observations, barometric altimetry, radio navigation aids, and visual odometry based on mission requirements.
Application Fields
Suitable for fixed-wing UAVs, rotary-wing UAVs, and specialized airborne vehicles.
Performance Characteristics
  • Capable of alignment on ground-based vibrating platforms and in-flight alignment
  • Supports switching between self-alignment, moving-base alignment, and transfer alignment
  • Multi-sensor fusion incorporating satellite, celestial, altimeter, radio, and visual navigation data
  • System fault detection and alarm functions
Technical Specifications
Type
ModelTDF61A
Accelerometer
Bias Repeatability≤50μg
Scale Factor Accuracy≤500ppm
Gyro
Bias Repeatability≤0.3°/hr
Scale Factor Accuracy≤500ppm
Random Walk≤0.01°/√hr
Navigation Performance
Position Accuracy (Pure Inertial)≤4nm/1h
Position Accuracy (INS/GNSS)Better than satellite accuracy
Velocity Accuracy (Pure Inertial)≤3.0m/s
Velocity Accuracy (INS/GNSS)≤0.2m/s
Dynamic Range
Angular Rate≥±400°/sec
Angular Acceleration100000°/sec²
Acceleration>25g
Angular AttitudeAny Orientation
AHRS Performance
Heading Accuracy (Pure Inertial)≤0.4°sec(L)
Heading Accuracy (INS/GNSS)≤0.2°sec(L)
Pitch & Roll Accuracy (Pure Inertial)≤0.08°
Pitch & Roll Accuracy (INS/GNSS)≤0.03°
Physical Characteristics
Power Consumption<15W
Dimensions110*110*100 mm
Weight<1.7kg
Operating Temperature-40℃ to +60℃
Shock Resistance15g, Half-sine wave 11ms
Vibration20-2000Hz, 6.06g
Input VoltageDC24V(±25%)
Cooling MethodConduction to mounting plate
MTBF>20,000 hours
Interfaces
Input/Output3 RS422 full-duplex serial ports, 1 100M Ethernet port
Alignment
Alignment Time≤5 minutes
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