8K22A -

Product Introduction

The 8K22/8K22A integrated navigation system measures the relevant data of the carrier through internal MEMS inertial measurement units of different accuracies and high-dynamic satellite navigation receivers. It uses integrated navigation algorithms or pure inertial navigation algorithms to calculate the attitude, velocity, and position information of the carrier. The product can be used in unmanned aerial vehicles, test rockets, and other carriers.

Product Components

· The 8K22/8K22A integrated navigation system consists of MEMS gyroscopes of varying accuracy, MEMS accelerometers, high-dynamic satellite navigation receivers, navigation computers, power conversion circuits, interface circuits, and other components.

Product Function

· Self-check

· Self-alignment

· Transmitting alignment parameters for binding

· Inertial navigation function, outputting information such as position, speed, and attitude

· Online upgrading function

· Information interaction function

Technical indicators

Category	Technical indicators	8K22	8K22A
Category	Technical indicators
Measuring range	Heading angle range	0°～360°	0°～360°
	Pitch angle range	±90°	±90°
	Rolling angle range	±180°	±180°
	Angle velocity measurement range	±500°/s	±500°/s
	Acceleration measurement range	±30g	±40g
Alignment time	Static base self-alignment	≤60s	≤60s
Satellite receiver performance	Operating frequency	B1/L1	B1/L1
	Data update frequency	10Hz	10Hz
	Horizontal positioning accuracy	≤10m（RMS）	≤10m（RMS）
	Height accuracy	≤12（RMS）	≤12（RMS）
	Maximum height	≥500km	≥50km
	Maximum speed	≥3000m/s	≥3000m/s
	Velocity accuracy	≤0.2m/s（1σ）	≤0.2m/s（1σ）
	Cold start-up time	≤45s	≤45s
	Hot start-up time	≤12s	≤12s
	Recapture time	≤3s（Lock loss time less than 5s）	≤3s（Lock loss time less than 5s）
Integrated navigation accuracy	Position accuracy	Horizontal≤10m（RMS）, Elevation≤12m（RMS）	Horizontal≤10m（RMS）, Elevation≤12m（RMS）
	Velocity accuracy	≤0.2m/s（1σ）	≤0.2m/s（1σ）
	Heading angle accuracy	≤0.5°（3σ）	≤5°（3σ）
	Attitude angle accuracy	≤0.5°（3σ）	≤3°（3σ）
Gyroscope performance	Bias stability	≤5°/h（1σ，10s Smoothing）	≤100°/h（1σ，10s Smoothing）
Gyroscope performance	Bias repeatability	≤3°/h（1σ）	≤100°/h（1σ）
Accelerometer performance	Bias stability	≤0.3mg（1σ，10s Smoothing）	≤5mg（1σ，10s Smoothing）
Accelerometer performance	Bias repeatability	≤0.3mg（1σ）	≤5mg（1σ）
Other indicators	Power supply	DC16V-36V	DC16V-36V
	Product power supply	Steady-state power consumption≤10W	Steady-state power consumption≤10W
	Host unit weight	≤350g	≤300g
	External dimension	96mm×64mm×55mm	96mm×64mm×42mm
	Installation dimension	86mm×50mm（4×φ4.4mm）	86mm×50mm（4×φ4.4mm）
	Radio frequency channel	2-channel RF input, combined channel	2-channel RF input, combined channel