SAGE
SGN-33P - Inertial Navigation System
SGN-33P
Inertial Navigation System
SGN-33P is a tactical grade high performance GNSS aided navigation system. Incorporating a MEMS based inertial measurement unit and GNSS receiver combined with advanced sensor fusion algorithms, SGN-33P delivers high accuracy position, velocity and attitude under static and dynamic conditions. Comprising features like autonomous and dynamic navigation filter initialization, the system has been designed to operate under severe environmental conditions.
SGN-33P Technical Specifications
Sensors
- Inertial Measurement Unit
- GNSS Receiver
- GNSS Antenna
Electronics and Software
FPGA based electronic control, field proven tightly coupled navigation algorithms and electronics.
SGN-33P Accuracies
Heading
< 0.3°
Roll/Pitch
< 0.2°
Position
< 5 m
Velocity
< 0.3 m/s
IMU – Accelerometer Specs
Measurement Range
±20 g
Bias Repeatability
< 1 mg (1σ)
Bias Stability
< 10 μg
IMU – Gyroscope Specs
Measurement Range
±500 °/sec.
Bias Repeatability
< 10 °/h (1σ)
Bias Stability
< 1 °/h (1σ)
IMU – Gyroscope Specs
Measurement Range
±500 °/sec.
Bias Repeatability
< 10 °/h (1σ)
Bias Stability
< 1 °/h (1σ)
GNSS Receiver
Constellations
GPS L1
Position Accuracy
< 5 m
Cold Start
< 40 sec.
Physical Characteristics
Dimensions
193 x 101 x 60 (mm)
Weight
< 1,400 g
Power Dissipation
< 15 W @ 28 Vdc
Environmental Conditions
Operating Temperature
-40 °C to +75 °C
Altitude
55 kft
Mechanical Shock
20g 11 ms
