MNV420A Integrated Navigation System

Introduction

  • Built-in tactical IMU
  • Car gauge design
  • Built-in high-precision GNSS module
  • Small size, low power consumption
  • Support vehicle CAN BUS

MNV420A is a compact, GNSS/INS integrated, Cost-effective integrated navigation system. It integrates high-precision GNSS module, tactical IMU, and external CAN wheel speed information of vehicles. It can provide continuous, stable and reliable position, speed, attitude and time information for smart car to deal with complex urban roads and highways.

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Description

Performance

Gyroscope

Accelerometer

Range ±450 ° /s Range ±10 g
Bias Stability ≤10 ° /h Bias Stability ≤0.2 mg
Scale Factor Nonlinearity ≤50 ppm Scale Factor Nonlinearity ≤200 ppm
Angular Random Walk ≤0.25 ° /√h Rate random walk ≤0.02 m/s/√h

GNSS Receiver

Frequency BDS B1/B2;

GPS L1/L2;

GLONASS L1/L2;

Galileo E1/E5b

Position accuracy (1σ) ≤1.5m(single point)

≤2cm+1ppm (RTK)

°
Speed accuracy (1σ) ≤0.03 m/s
Heading accuracy (1σ) ≤0.2/ Baseline 1m °
Heading accuracy (1σ) (INS GNSS combined data) ≤0.08/ Baseline 2m °

 

System

Roll/pitch ≤0.05 °
Heading ≤0.1 °
Position ≤1.5m (Single point)
≤2cm+1ppm (RTK)
Speed accuracy ≤0.03 m/s
GNSS loss-of-lock position drift@10s ≤0.3 m
GNSS loss-of-lock position drift @1km/2min ≤0.2(odometer assistance) %
GNSS loss-of-lock heading drift@1min ≤0.15 °

System characteristics

Supply Voltage 9~24 V
Size 155*81*34.5 mm
Weight ≤415 g
Digital Interface RS422/CAN
Update rate 100/200 Hz
Baud rate RS422, 230400

CAN, 500K

bps

 

Application

  • Car driverless
  • Unmanned helicopters and fixed-wing automated guided vehicles
  • Stable platform and accurate calibration
  • Precision agriculture
  • Ship and submarine robot inertial measurement system

 

Dimension and wiring definition

Dimension

Output

MNV420A Dimension 300x100 - MNV420A Integrated Navigation System PIN Signal PIN Signal
1 CAN2_L 10 1PPS
2 CAN2_H 11
3 CAN1_L 12 GND
4 CAN1_H 13
5 GNSS_DIFF_TXD 14 RS422R+
6 GNSS_DIFF_RXD 15
7 GND 16 RS422R-
8 Power ground 17 RS422T+
9 Power+ 18 RS422T-