High Reliability FOG IMU

ER-FIMU-40:
1. All solid-state three-axis fiber optic gyroscope;
2. High reliability;
3. Three-axis quartz flexible accelerometers.

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Introduction

ER-FIMU-40 High Reliability FOG IMU

ER-FIMU-40 FOG inertial measurement unit is specially developed for tactical system applications. The product consists of all solid-state three-axis fiber optic gyroscope, three-axis quartz flexible accelerometers, body structure, data interface board and other components.

Features
All solid-state three-axis fiber optic gyroscope
High reliability
Three-axis quartz flexible accelerometers
Developed for tactical system applications
High stability

Applications
Space stabilization systems, mapping systems, attitude reference systems, motion compensation systems, imaging stabilization systems, flight control systems
Air combat maneuvering instruments
Navigation test equipment

Specifications
Gyroscope:

No.	Item	Unit
1	Measuring range	º/s	-500~+500
2	Bias stability(1σ 10s)	º/h	≤0.1
3	Bias stability(1σ 100s)	º/h	≤0.035
4	Bias repeatability	º/h	≤0.1
5	Random walk coefficient	º/√h	≤ 0.01
6	Scale factor non-linearity	ppm	≤50
7	Scale factor repeatability	ppm	≤ 50
8	Scale factor asymmetry	ppm	≤ 50
9	Bandwidth	Hz	≥500

Accelerometer:

No.	Parameters	Unit	/
1	Range	g	±50
2	Threshold/Resolution	μg	5
3	Bias	mg	≤ (±5)
4	0g 4 Hours short time stability	μg	≤30
5	1g 4Hours short time stability	μg	≤30
6	Bias repeatability	μg	≤40
7	Scale factor	mA/g	1.3±0.2
8	Class II non-linearity	μg /g²	≤ (±30)
9	Scale factor repeatability	ppm	≤50
10	Class II non-linearity repeatability	μg /g²	≤ (±30)
11	Noise(840ΩSampling resistor)	mv	≤8.4
12	Bandwidth	Hz	800~2500Hz

IMU:

No.	Parameters	Unit	/
1	Dimensions	mm	100×100×75
2	Operating temperature	℃	-50~+80
3	Frequency of data output	Hz	200
4	Weight	Kg	1.0±0.06
5	Power supply	V	28
6	Communication interface	/	RS-422(Customizable)