GNSS Inertial Navigation Guidance Attitude Measurement System for Uav Navigation Gyroscope

Project

Test conditions

INS500A indicator

INS500B indicator

Positioning

Precision

GNSS Valid, Single Point

1.2m(RMS)

1.2m(RMS)

GNSS Valid, RTK

2cm+1ppm(RMS)

2cm+1ppm(RMS)

Position hold (GNSS failure)

1.5nm/h(50%CEP),

5nm/2h(50%CEP)

0.8nm/h(CEP),

3.0nm/3h(CEP)

Heading

Precision

Self-seeking north

0.1 ° × sec (Lati), Lati is latitude (RMS), 10 min

0.06 ° × sec (Lati), 5min alignment of stationary base;

0.03 ° × sec (Lati), 10 min alignment of stationary base;

Where Lati denotes the latitude (RMS).

Course keeping (GNSS failure)

0.05°/h(RMS),

0.1°/2h(RMS)

0.02°/h(RMS),

0.05°/3h(RMS)

Posture

Precision

GNSS is valid

0.03°(RMS)

0.01°(RMS)

Attitude hold (GNSS failure)

0.02°/h(RMS),

0.06°/2h(RMS)

0.01°/h(RMS),

0.03°/3h(RMS)

Speed

Precision

GNSS valid, single point L1/L2

0.1m/s(RMS)

0.1m/s(RMS)

Speed hold (GNSS failure)

2m/s/h(RMS),

5m/s/2h(RMS)

0.8m/s/h(RMS),

3m/s/3h(RMS)

Optical fiber

Gyroscope

Measuring range

±400°/s

±400°/s

Zero bias stability

≤0.02°/h

≤0.01°/h

Quartz

Flexibility

Accelerate

Gauge

Measuring range

±20g

±20g

Zero bias stability

≤ 50 µg (10 s average)

≤ 20 µg (10 s average)

Communication interface

RS422

Route 6

Baud rate 9.6 kbps ~ 921.6 kbps, default 115.2k bps

Frequency up to 1000Hz (raw data), default 200Hz

RS232

Route 1

Baud rate 9.6 kbps ~ 921.6 kbps, default 115.2k bps

Frequency up to 1000Hz (raw data), default 200Hz

Electrical characteristics

Voltage

24～36VDC

Power consumption

≤30W

Structural characteristics

Size

199mm×180mm×219.5mm

Weight

6.5kg

≤ 7.5kg (non-aviation)

≤ 6.5kg (optional for aviation)

Use environment

Operating temperature

-40℃~+60℃

Storage temperature

-45℃~+65℃

Vibration (with damping)

5~2000Hz,6.06g

Shock (with shock absorption)

30g,11ms

Reliability

Life span

> 15 years

Continuous working time

>24h