Interferometric Fiber Optic Gyro

i-FOG TA7774

MOVIE

A high-precision [0.1°/h] gyro that achieves the accuracy required for fully automated driving technology in automobiles. The features are introduced in an easy-to-understand manner and the video includes footage of our tests for auto position estimation with an automobile equipped with due north detection and i-FOG, which can only be achieved with our high accuracy.

Watch the video

Features

High-accuracy
Achieved [0.1 °/h] which is required for fully autonomous driving.
Low-price
Our unique technology for winding and Fiber Optical IC realizes cost reduction.
Closed-loop Type

Application examples

Automated driving for vehicles (level 4)
ADAS (Advanced Driver-Assistance Systems):
For construction machine and agricultural machine as an attitude control sensor
MMS (Mobile Mapping System): As a behavior measuring sensor for mobile objects such as vehicles
As a complement for quasi-zenith satellites characterized by high-precision positioning
As a true heading indicator for shield machines (excavators)

Specification

Part Number	TA7774
Dynamic Range	±200 °/s
Bias Repeatability	0.1 °/h（1δ）（25 ℃ static）
Bias Instability	< 0.1 °/h
Random Walk	< 0.01 °/h√h
Scale Factor Accuracy	±100 ppm
Scale Factor Linearity	±100 ppm　Full scale
Mass	400 g Max
Power-supply voltage	±5 V、±15 V
Power Consumption	±5 V：< 1.5 A ±15 V：< 0.2 A
Interface / Baud rate	RS232：115.2 kbps
Output cycle	50 Hz
Operating Temprature	-20 to +60 ℃
Non-operating Temperature	-30 to +70 ℃

i-FOG TA7774

Features

Application examples

Specification

Configuration

Outline Drawing

Allan Variance

Scale Factor & Linearity