Inertial Navigation System

SNC200C-IMU MEMS Inertial Measurement Unit

Product overview
SNC200C-IMU MEMS is a domestic inertial measurement unit (IMU) based on MEMS technology. It has built-in high-performance MEMS gyroscope and MEMS accelerometer, and outputs 3 angular velocities and 3 accelerations.
Snc200c-imu has high reliability and strong environmental adaptability. By matching different software, the products can be widely used in guided ammunition, tactical and industrial UAVs, seeker, autopilot and other fields
Product features

1. Product features
▶  100% localization, completely independent and controllable;
▶  Three axis digital gyroscope: ± 450 º / s dynamic measurement range, zero bias stability: 20 ° / h (GJB, 10s);
▶  Three axis digital accelerometer: ± 16g dynamic measurement range, zero bias stability: 0.5mg (GJB, 10s);
▶  High reliability: MTBF > 20000h, suitable for working under strong vibration conditions, interface and one-way UART;
▶  Accuracy guaranteed within the full temperature range (- 40 ℃ ~ 70 ℃): built in high performance temperature calibration and compensation algorithm;

2. Main application fields
▶  Tactical and industrial UAV
▶  Guided munition 
▶  Seeker, photoelectric pod
▶  Unmanned ship, unmanned vehicle
▶  Automatic driving

3. Physical dimensions, electrical characteristics and system performance indicators
3.1 System performance index
parameter Test conditions index
Gyro Dynamic measurement range 450-2000° / S (optional)
Zero bias stability 10s average (- 40 ℃ ~ + 70 ℃) 15°/h
Zero bias Zero bias range ±0.2°/s
Zero bias change in full temperature range Soil 0.1 ° / S
Start repeatability 30°/s
Influence of vibration on zero bias 10°/s/g
Scale factor nonlinearity 500ppm
Resolving power three point zero five two×10-7°/s/LSB
Bandwidth 200Hz
Accelerometer Dynamic measurement range 16g
10s average zero bias stability (- 40 ℃ ~ + 70 ℃, constant temperature) 0.5mg
Zero bias Zero bias range 5mg
Full temperature zero bias change 5mg
Scale factor nonlinearity 500ppm
bandwidth 200Hz
Noise density 0.05mg/√
resolving power 1.221x10-8g/LSB
Other Start time 2s
delayed 10ms
Nonlinearity 0.5%FS
Reliability MTBF 20000h
Continuous work 120h
relative error 2.5 mbar
 Nonlinearity 0.1%FS
3.2 Physical dimensions and electrical characteristics
Voltage: 3.3V
Power consumption: < 1.5W
Size: 58.7mmx42mmx8mm
Weight: < 35g

3.3 Environmental indicators
Operating temperature: - 40 ℃ ~ + 70°C
Storage temperature: - 45 ℃ ~ + 75 ℃
Vibration: 20 ~ 2000Hz, 6.06g
Impact: 500g, 0.5mg
Continuous working time: > 120h

3.4 Interface characteristics
1-way UART: 500Hz
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