Ultrahigh-precision acceleration meter batch performance test system

Abstract

The invention belongs to the test technology field and relates to an ultrahigh-precision acceleration meter batch performance test system. The system comprises an isolation foundation 1, an automatic rotary table 2, a signal acquisition device 3, a temperature control box and a fixing clamp 4, a multi-path I / U converter 5, a constant temperature oil groove 6, a single-patch I / U converter 7, a filter 8, a high-precision digital voltage meter 9, a sequence controller 10, a precise constant current source 11, an AV purifying stabilized power source 12, a multi-path AC / DC DC power source 13, a computer 14 and an acceleration meter product 15.

Description

technical field [0001] The invention belongs to the technical field of testing, and relates to a batch performance testing system and method of an ultra-high-precision accelerometer. Background technique [0002] The accelerometer is one of the most critical inertial components of the inertial system. The accuracy of the inertial system depends largely on the accuracy of the accelerometer. With the development of inertial navigation and guidance systems, a comprehensive performance better than 10 -5 g's ultra-high-precision accelerometer products are becoming more and more urgent, and it is more and more important to build an accelerometer multi-channel performance test system for batch and accurate testing and calibration of ultra-high-precision accelerometer product performance. [0003] Ultra-high-precision accelerometers are generally closed-loop pendulum accelerometers. The accelerometer adopts the current output mode, which makes the output signal have the advantages o...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is: to propose a kind of ultra-high-precision accelerometer batch performance test system and method, it can overcome the same accelerometer in the existing test technology when its performance index exists difference in different test channel test, accelerometer repeats for a long time It can also eliminate the inherent errors of the test system in stages, and can further improve the calibration accuracy of the accelerometer through the software compensation method, so as to meet the comprehensive performance better than 10 -5 Test requirements for batch performance of ultra-high precision accelerometers for g

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