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M-04 MEMS Combined INS (Inertial Navigation System)

MEMS Combined INS
  • Strong Anti-interference Capability: The system can output stable and reliable magnetic heading information.
  • Superior Performance Metrics: The horizontal attitude measurement accuracy is 0.05° (RMS), and the azimuth accuracy is better than 0.8°.
  • Large Operating Range: Utilizing silicon micro-MEMS devices, it has strong resistance to vibration and shock.
  • Wide Applicability: With high tracking sensitivity, it is suitable for positioning and navigation in open areas and also applicable in complex environments such as streets and jungles.
  • Good User Experience: System parameters can be set through an upper computer, the output bandwidth is adjustable, the output protocol is customizable, and it supports online program uploading and parameter configuration.
SKU M-10 Category Tags , , ,

The M-04 MEMS INS product utilizes a MEMS inertial measurement unit (IMU) and an external (internal)  GPS/BDS positioning module in a combined navigation system. HX Gyro inertial navigation system is capable of measuring the attitude, heading, speed, and position of the carrier, characterized by its compact size and high precision. The system internally integrates various sensors such as gyroscopes, accelerometers, magnetic compasses, temperature sensors, etc., and it employs a high-performance, small-sized microcontroller unit (MCU). It features adaptive wide-range power supply input and can interface with external auxiliary information such as an odometer.

 

Functions

  • Autonomous Navigation Capability: It can provide reliable navigation data.
  • Self-inspection Capability: It regularly checks the internal operation of the inertial navigation system and reports the self-inspection results and navigation status through the output protocol.

 

Specifications

Performance Indicator Remarks
Pitch Angle Measurement Range -90° to +90°  
Roll Angle Measurement Range -180° to +180°  
Heading Angle Measurement Range 0 to 360°  
Horizontal Attitude Accuracy <0.05° (RMS)  
Heading Angle Accuracy <0.8°  
Operating Temperature -40°C to +70°C

The input/output connector model for the MEMS combined inertial navigation system is the shielded J30J-15ZKP.

Pin Name Name Pin Name Name
1 VCC Power supply (9-28V) 9 GND Communication ground
2 VCC Power supply (9-28V) 10 GND Communication ground
3 GND Power supply ground 11 GND Communication ground
4 GND Power supply ground 12 RX1+ RS4221 reception+
5 RX2+ RS4222 reception+ 13 RX1- RS4221 reception –
6 RX2- RS4222 reception- 14 TX1+ RS4221 sending +
7 TX2+ RS4222 sending + 15 TX1- RS4221 sending –
8 TX2- RS4222 sending –

The interface for the MEMS combined inertial navigation system is RS422, with a baud rate of 921600bps.

Data format: 1 start bit, 8 data bits, no parity bit, 1 stop bit.

Data transmission period is 5ms, transmission method is blind transmission.

Bytes are transmitted with the high byte followed by the low byte, negative numbers are represented in two’s complement.

The product is multiplied by a scale factor when sent.

 

Applications

 

Diagram

MEMS Combined Inertial Navigation System

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