High Performance MEMS IMU

ER-MIMU-M01A  High Performance MEMS IMU

Introduction
The M01A micro array IMU utilizes advanced MEMS technology to integrate multiple inertial measurement units into an extremely small space.

The M01A boasts excellent performance, designed to meet your high-precision measurement needs in various fields. Compared with traditional single IMUs, the array design effectively reduces errors such as angular random walk, significantly improving measurement accuracy and stability. Meanwhile, the product features advantages like small size, light weight, and low power consumption, making it easy to integrate into various devices sensitive to size and power consumption.

Features

• High-precision measurement: Through sophisticated layout and excellent data fusion, the M01A gyroscope has a bias stability (1σ) of ≤6°/h, which can accurately sense small angular velocity changes; the accelerometer has a bias stability (1σ) of ≤50ug, which can accurately measure acceleration information. In application scenarios with strict precision requirements such as inertial navigation and attitude control, it can stably output high-precision data, providing a reliable foundation for the system.
• Excellent stability: Through optimized array algorithms and hardware design, the noise interference of the sensor is further reduced. In complex dynamic environments, it can still provide stable and reliable attitude data, suitable for applications with extremely high requirements for attitude stability, such as high-end aeromodel flight control and professional photography gimbal stabilization.
• Flexible bandwidth adjustment: The bandwidth can be flexibly adjusted within the range of 4-470Hz. Users can set the appropriate bandwidth according to the needs of actual application scenarios, such as fast motion detection or low-frequency vibration monitoring, to obtain the best measurement results.
• Good environmental adaptability: Like other products in the series, it has a wide operating temperature range of -40℃ to +80℃. At the same time, it can work stably under complex environmental factors such as humidity and electromagnetic interference, and can be widely used in various industrial and civil scenarios.

Application 

• UAVs and aeromodels: Provide accurate attitude and acceleration data for aircraft to achieve stable flight, precise positioning and route planning, and improve flight performance and safety.
• Robot field: Help robots achieve precise motion control, balance adjustment and environmental perception, enabling them to flexibly and stably complete tasks in complex environments, such as autonomous navigation of service robots and high-precision operations of industrial robots.
• Wearable devices: Used to monitor human movement posture, step counting, movement trajectory recording, etc., providing accurate data for applications such as health monitoring and sports analysis, and enhancing user experience.
• Industrial automation: Play an important role in motion monitoring and control of automated production line equipment, equipment vibration detection, etc., helping to improve production efficiency and ensure the safe operation of equipment.

Specifications

The performance indicators of the micro inertial measurement unit are shown in Table 3.1.

type		M01A	unit
gyro	Angular rate measurement range(default)	±500	°/s
	bias instability	<2	°/h
	bias stability	<6	°/h
	Angular rate typical zero-rate level change vs. temperature	±0.001	dps/℃
	bias repeatability	<6	°/h
	Angular random walk	0.15	°/√h
	Nonlinearity	0.01	% FS
	bandwidth(default)	96	Hz
accelerometer	Linear acceleration measurement range	±8	g
	bias instability	20	ug
	bias stability	<70	ug
	Linear acceleration typical zero-rate level change vs. temperature	±0.1	mg/℃
	bias repeatability	0.15	mg
	Acceleration noise density	60	ug/√Hz
	Linear acceleration sensitivity change vs. temperature	±50	ppm/℃
	bandwidth(default)	83	Hz
electrical specification	voltage	3.3	V
	power	<0.1	w
else	weight	<9	g
	size	23.7*23.7*9.9	mm
	electrical interface	UART	-
	data updating rate	400	Hz

Note: The ranges of the gyroscope and accelerometer can be customized. The customizable range of the gyroscope is ±125dps-±4000dps; the customizable range of the accelerometer is ±2g-±16g.

Dimensions

The outline dimensions of the micro inertial measurement unit are shown in Figure 2.1.

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Application Techniques

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