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MEMS Inertial Measurement Unit (MEMS IMU)

MU2018

Product Overview

WC-MU2018 is a highly reliable, cost-effective six-axis MEMS inertial measurement module, integrating MEMS gyroscopes and accelerometers (both leading MEMS process-level devices). It supports customizable precision and is widely used in navigation, control, and measurement scenarios such as vehicles, ships, and UAVs.
 

Core Processes & Technologies

  • Integrates high-performance MEMS gyroscopes (for angular motion measurement) and accelerometers (for linear motion measurement) in an independent structure;
  • Full-temperature compensation (zero offset, scale factor, non-orthogonality error, etc.) ensures long-term measurement accuracy;
  • Overall vibration-damping and sealed design, adapted to harsh environments, enabling high reliability at low cost.
 

High-Precision Device Manufacturing & System Calibration Compensation Technology

Combined with high-precision device manufacturing, the system adopts key technologies including high-speed sampling, full-temperature static error compensation (zero offset, installation error, etc.), and dynamic error compensation (coning error) to ensure high performance.

Key Features

  1. Multi-sensor redundancy and fault-tolerant design
  2. Small size, light weight, low power consumption
  3. Full-temperature calibration compensation (-40℃ to +80℃)
  4. 1.6KHz high-speed sampling
  5. Resistant to harsh mechanical environments
  6. Supports over-the-air software upgrade

Main Applications

  1. Vessel/vehicle attitude measurement
  2. Port measurement system
  3. Mobile satellite communication (SATCOM)
  4. Mobile surveying and mapping system
  5. Autonomous driving system
  6. Agricultural machinery
Performance Specifications
Core MEMS Components
Gyroscope
±450°/s range, ≤0.07°/s (1σ) bias, ≤15°/h (10s smoothed) bias stability, 2°/h (allan, typ) bias instability, ≤100ppm scale factor nonlinearity, ≥50Hz (adjustable) bandwidth
Accelerometer
±16g range, ≤2mg (1σ) bias, ≤300μg (10s smoothed, typ) bias stability, 30μg (allan, typ) bias instability, ≤300ppm (1g) scale factor nonlinearity, ≥50Hz (adjustable) bandwidth
Electrical & Mechanical
Power Supply
3.3±0.1V, <1W power consumption
Interfaces
1x LVTTL interface, 1x sync input, 1x sync output; 200Hz update rate
Dimensions & Weight
22×22×10mm, <10g
Environmental Adaptability
Operating Temperature
-40°C ~ +80°C
Storage Temperature
-55°C ~ +85°C