High precision integrated navigation solution

The high-precision integrated navigation solution is a set of integrated navigation solutions developed based on high-precision chips independently developed by Jinwei Jidian. This scheme integrates high-precision GNSS, IMU inertial sensors, and carrier information control units to achieve real-time high-precision positioning and navigation.

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Product features

Using high-performance autonomous chips
Supports high-precision calculation of all frequency points in the entire system, with 384 channels
High precision satellite inertial combination positioning
Built in inertial devices with deep coupling and high-precision satellite inertial combination positioning capability
RTK Quick Solution
Applying advanced technologies such as fixed ambiguity and inertial navigation assisted GNSS solution for rapid RTK calculation
Multiple configurations to meet various location service requirements
Supports multiple data interfaces such as CAN, Ethernet, RS232, etc

Technical Index

performance index
RTK positioning accuracy	plane	1cm+1ppm (RMS)
	altitude	1.5cm+1ppm (RMS)
Single point positioning accuracy	plane	≤1.5m (RMS)
	altitude	≤3.0m (RMS)
The star frequency point	Configure a	L1：1575.42±20MHz（BDS B1I、GPS L1CA、GAL E1） L2：1227.60±20MHz（BDS B2I、GPS L2C、GAL E5b） B3：1268.52±10MHz（BDS B3I）
	Configuration 2 *	L1：1575.42±20MHz（BDS B1I/B1C、GPS L1CA、GAL E1） L5：1176.45±10MHz（BDS B2a、GPS L5、GAL E5a）
First location time	Cold start time	≤45s
	Heat start time	≤5s
	Heavy capture time	≤1s
update speed	Positioning / orientation	100Hz
	IMU initial data	100Hz
	GNSS initial data	5Hz
The RTK initialization time		5s (10km baseline)
The RTK initialization reliability		99.9% (10km baseline)
Support agreement		RTCM2.X, RTCM3.X, NMEA-0183, and a custom protocol
rate accuracy		≤0.03m/s (RMS)
orientation accuracy		≤0.2°/m
Guaddy fusion	Displacement drift (1km or 2min)	0.2% (RMS, with wheel speed information) 2% (RMS, no speed information)
gyroscope	range	±300°/s
	Zero partial repeatability	0.5°/s
	Zero partial instability	1.8°/h(XY)，1.4°/h(Z)
	Random walk from Angle	0.09°/√h(XY)，0.10°/√h(Z)
accelerometer	range	±6g
	Zero partial repeatability	20mg
	Zero partial instability	15ug
	Speed random walk	0.35m/s/√h
Combined navigation system performance test	suspend time	Position accuracy (m) RMS		Speed Accuracy (m/s) RMS
		horizontal	perpendicular	horizontal	perpendicular
	0s	0.02	0.03	0.03	0.02
	10s	0.30	0.2	0.05	0.03
	60s	4.00	1.50	0.30	0.10
physical characteristics
supply electricity		12V（DC 9～16V）
power dissipation		<3.5W
High-precision antenna feeding		5V，200mA
environment pointer
working temperature		-40℃～+85℃
storage temperature		-55℃～+85℃
module interface
functional interface	source	1 power supply input port
	data interface	RS2322; CAN 1; Ethernet 1
	Positioning antenna	1 A, and the SMA-K
	directional antenna	1 A, and the SMA-K