MEMS Inertial Navigation System Integrated 8.3*6.6*2.4cm For North Seeker Application

MEMS Gyroscope

Range (°/s)

±500

Full-Scale Zero Drift (°/h, 1σ)

≤180(X,Y),≤30(Z)

Zero Offset Stability (°/h, 10s Smoothing)

≤10(XY),≤5(Z)

Zero Offset Instability (°/H, Allan)

≤2(XY),≤0.5(Z)

Zero Offset Repeatability (°/h)

≤10(XY),≤5(Z)

Angular Random Walk (°/√h)

≤0.25

Scale Factor Nonlinearity (ppm)

≤100

Cross-Coupling (Rad)

≤0.001

Bandwidth (Hz)

≥100

MEMS Accelerometer

Range (G)

±16

Zero Position (mg, 1σ)

2

Zero Offset Stability (ug, 10s Smoothing)

≤100

Zero Bias Stability (ug, Allan)

≤50

Zero Bias Repeatability (Ug)

≤100

Velocity Random Walk (mm/s/√h)

≤40

Scale Factor Nonlinearity (ppm)

≤300

Cross-Coupling (rad)

0.001

Bandwidth (Hz)

≥100

Combined Navigation Accuracy

Combined Heading (°, 1σ, Real-Time)

0.15 (1 m baseline, dual antenna), 0.5 (single antenna, dynamic)

Combined Horizontal Attitude (°, 1σ, Real-Time)

0.05° (dual antenna), 0.1° (single antenna)

Combined Horizontal Position (m, 1σ)

3 m (single point), 0.02+1 ppm (RTK)

Combined Vertical Position (m, 1σ)

5 m (single point), 0.03+1 ppm (RTK)

Combined Horizontal Velocity (m/S, 1σ)

0.1

Combined Vertical Velocity (m/S, 1σ)

0.15

Pure Inertial Navigation Accuracy

Horizontal Attitude (°, 1σ, Real-Time)

0.05° (static), 0.5° (dynamic)

Heading (°, 1σ, Real-Time)

5° (dynamic)

Dead Reckoning Accuracy (cm)

5

Inertial/Odometer Combination Accuracy

≤0.001D(60s)

Electrical/Mechanical Interface

Power Supply (V)

9~36

Steady-State Power (W)

≤3

Start-Up Time (s)

≤2

Communication Interface

1 RS-422 channel, 1 RS-232 channel, 1 CAN channel

1 TTL level synchronous input channel, 1 TTL level synchronous output channel

Update Rate (Hz)

200 (customizable)

Dimensions (mm × mm × mm)

83×66×24

Weight (G)

＜350

Operating Environment

Operating Temperature (°C)

-40～+85

Storage Temperature (°C)

-55～+85

Vibration (G, RMS)

20~2000HZ,4.08

Shock (G)

1000g/1ms

Reliability

MTBF (h)

100000