A Shaft Angle Conversion Test System Based on Programmable DRC

Abstract

The invention relates to an axial angle conversion testing system based on programmable DRC, and belongs to the field of axial angle conversion testing. The axial angle conversion testing system is used for testing axial angle conversion systems of a gyro accelerometer and a rotary table and meanwhile can be used for generating signals, with any value, of a rotary transformer or a selsyn and for providing a signal source for a testing system. The axial angle conversion testing system based on programmable DRC comprises a control box, a sine wave signal generating circuit, a digital logic clock circuit, a DRC digit-rotary transformer conversion circuit, a first testing cable, a system to be tested, a second testing cable and a test industrial personal computer. The axial angle conversion testing system can generate high-accuracy sine wave signals with an adjustable frequency amplitude, digital logic clock signals with variable frequency and rotary transformer sine and cosine signals with any value and has the advantages of being flexible in design, reliable in work and small in size.

Description

technical field [0001] The invention relates to a programmable DRC-based axis-angle conversion test system, which is used for the test of the axis-angle conversion system for accelerometers and turntables, and can be used to generate arbitrary values ​​of resolver or synchro signals for testing The system provides a signal source and belongs to the field of shaft angle conversion system testing. Background technique [0002] In recent years, with the continuous development of inertial technology, the accuracy of inertial systems such as gyro accelerometers and turntables has been continuously improved. The high precision of the inertial system requires the development of the shaft-angle conversion system in the direction of high precision, small size, high integration, and strong specificity. [0003] In inertial systems such as gyro accelerometers and turntables, the shaft-angle conversion system is a very important component. Taking the gyro accelerometer as an example, t...

AI Technical Summary

Problems solved by technology

The sine wave signal generation circuit, digital logic clock circuit, and DRC digital-resolver conversion circuit in the programmable DRC axis angle conversion test system generate high-precision meaning value resolver sine and cosine signals, which provide effective test methods for the axis angle conversion system. Solve the problem of low test accuracy of the shaft angle conversion system

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