Test method and test system for open loop fiber-optic gyroscope

Abstract

The invention provides a test method for an open-loop fiber optic gyroscope, wherein the test method includes the following steps: Step 1) The original sampling data output by the gyroscope is transmitted to the signal amplifying circuit, and according to the speed of the turntable corresponding to the sampling point, judge The port output status of the acquisition card; step 2) the acquisition card performs sampling, and a value is smoothly output at 3200 points per second during sampling; step 3) data restoration; step 4) data collection, calculation, and preservation. The present invention also provides a test system for an open-loop fiber optic gyroscope, which includes a rate turntable, on which a gyroscope is arranged, and the lead-out plug on the gyroscope includes a gyroscope power supply end and a gyroscope output end, and the gyroscope power supply end The power control circuit is connected with the power supply, the gyro output is connected with the output of the acquisition card through the signal amplification circuit, the power control circuit and the signal amplification circuit are connected with the acquisition card, and the acquisition card is connected with the central control host computer.

Description

Technical field [0001] The invention relates to an open-loop fiber optic gyroscope testing technology, and particularly relates to a test method and a test system for the open-loop fiber optic gyroscope. technical background [0002] Open-loop fiber optic gyroscopes are widely used in various tactical applications and civilian fields due to their small size, low cost, simple and flexible structure. The fiber optic gyroscope testing process takes a long time, and in this process, someone needs to monitor and operate, so it will consume more manpower. Due to the need to improve the test efficiency to ensure the high efficiency of mass production, and to save manpower and material resources, many new test requirements have emerged, such as the uninterrupted power test of the fiber optic gyroscope, which can collect gyroscope data for a long time without interruption, and the disconnection of fiber optic gyroscope. The electrical test requires that the power can be automatically cut...

AI Technical Summary

Problems solved by technology

[0003] At present, there are some fiber optic gyroscope parameter acquisition and testing systems, such as USB-based fiber optic gyroscope test system and RS-232-based fiber optic gyroscope test system, etc. Although these test systems can complete the basic parameter testing of fiber optic gyroscopes, there are some Inadequacies, such as the RS-232-based fiber optic gyroscope test system, although the connection is simple, but the data transmission rate is slow, making it a bottleneck for high-speed data transmission; although the USB-based fiber optic gyroscope test system can simultaneously solve the problem of transmission rate, unit time, etc. The problem of data throughput, but its hardware circuit is relatively complex, and the accuracy of test data is low

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