SNC300A-DGI Optical Fiber Integrated Navigation System

Product overview
SNC300A-DGI is based on cost-effective closed-loop fiber optic gyroscope, accelerometer and high-end GNSS receiving board. It is realized through multi-sensor fusion and navigation solution algorithm to meet the requirements for accurate measurement of attitude, heading and position in application fields such as medium and high-precision mobile measurement system and large UAV.

1. Product features
It has the function of shaking base / moving base alignment
GNSS / odometer / DVL and other multi information fusion integrated navigation
High reliability, suitable for strong vibration and large impact environment
Support users to customize on demand

2. Main application fields
Inertial navigation system of large UAV
Marine compass
underwater vehicle
High precision mobile measurement
Intelligent mining machinery
High precision stable leveling

3. system performance

Parameter		Technical index
Positional accuracy	Single-point（RMS）	1.2m
	RTK（RMS）	2cm+1ppm
	Post-processing （RMS）	1cm+1ppm
	Loss of lock precision (CEP)	3nm（30min） 10nm（1h）	1.5nm（30min） 5nm（1h）②
Course（RMS）	Single antenna	0.05°③
		0.03°（Post-processing）
	Double antenna	0.1°（Base line≥2m）
	Lockout maintains accuracy	0.25°（losing lock 30min） 0.5°（losing lock 1h）	0.1°（losing lock 30min） 0.2°（losing lock 1h）④
	Self north finding accuracy	1°SecL,Alignment15min	0.5°SecL, Alignment15min
Posture（RMS）	Single antenna	0.02°
	Double antenna	0.02°
	Post-processing	0.01°
	Lockout maintains accuracy	0.25°（losing lock 30min） 0.5°（losing lock 1h）	0.1°（losing lock 30min） 0.2°（losing lock 1h）②
Horizontal velocity accuracy（RMS）	0.05m/s
Timing accuracy	20ns
Select Data Output Frequency	200Hz
Gyroscope	Range	400°/s
	zero-bias stability	0.3°/h⑤；	0.05°/h⑤
	Scale factor degree of nonlinearity	100ppm
	Angle Random Walk	0.05°/√hr
Accelerometer	Range	16g
	Zero-bias stability	50ug⑤
	Scale factor Degree of nonlinearity	100ppm
	Velocity random walk	0.01m/s/√hr
Physical dimensions and electrical characteristics	Boundary dimension	139 mm×136.5 mm×101mm
	Weight	<2.7kg（Does not contain cable）
	Input voltage	12～36VDC
	Power dissipation	<24W（steady state）
	Storage	Reserved
Environmental index	Working Temperature	-40℃~+60℃
	Storage Temperature	-45℃～+70℃
	Random Vibration	6.06g，20Hz~2000Hz
	MTBF	30000h
Characteristics of interfaces	PPS、EVENT、RS232、RS422、CAN（选配）
	Antenna Interface
	Wheel speed sensor interface