ER-MIMU-M01B Low Power Consumption MEMS IMU
Introduction
The ER-MIMU-M01B Low Power Consumption MEMS IMU is a general-purpose, miniaturized component that contains three-axis gyroscope and three-axis accelerometer information. Temperature compensation is performed through the bias stability and scale of each axis to improve its measurement accuracy.
Features
Miniaturized IMU
Low power consumption
High cost performance
Total temperature compensation
Gyro bias instability:≤3°/h
Gyro bias stability (1σ):≤12°/h
Accelerometer bias instability : ≤0.04mg
Accelerometer bias repeatability (1σ):≤0.3mg
Application
Inertial navigation: inertial guidance, integrated navigation, platform stability
Short-term navigation: flight control, ballistic correction, telemetry and remote control
Attitude control: UAV, antenna orientation
Specifications
Gyroscope | ||
Measuring range | ±450°/s | |
Full temperature bias | ≤150°/h | |
Angular random walk | ≤0.25°/ √h | |
Bias instability | ≤3°/h | |
Bias stability (1σ) | ≤12°/h | |
Bias repeatability (1σ) | ≤12°/h | |
Scale factor non-linearity | ≤50ppm | |
Bandwidth (configurable) | 150Hz | |
Accelerometer | ||
Measuring range | ±10g | |
Full temperature bias | ≤5mg | |
Rate random walk | ≤0.03m/s/√h | |
Bias instability | ≤0.04mg | |
Bias stability (1σ) | ≤0.3mg | |
Bias repeatability (1σ) | ≤0.3mg | |
Scale factor non-linearity (Within 1g) | ≤200ppm | |
Bandwidth (configurable) | 150Hz | |
System | ||
Supply voltage | 5V±0.3V | |
Operating temperature range | -45℃~+85℃ | |
Shock resistance | ≥2000g | |
Vibration | ≥20grms | |
Size | 23.7mm×23.7mm×9.9mm | |
Weight | ≤25g | |
Interface type(--) | RS422 | |
Output mode(--) | High temperature wire | |
Output interface wiring definition | ||
Red conductor | VCC(+5V) | Power supply positive |
Black conductor | GND | Power supply ground |
White conductor | Rx+ | RS422 receive + |
Brown conductor | Rx- | RS422 receive - |
Green conductor | Tx- | RS422 send - |
Yellow conductor | Tx+ | RS422 send + |
Dimensions
Application Techniques
1.IMU and GPS fusion algorithm principle
2.MEMS IMU error analysis and compensation
3.Reusable spacecraft IMU dynamic accuracy assessment method
4.Research on MEMS IMU error modeling and temperature compensation technology
5.Calibration method and error analysis of low-precision MEMS IMU
6.MEMS-IMU error calibration compensation method that does not rely on precision turntable