Abstract
A kind of UAV electric servo detection system based on Virtual Instrument is designed in this paper, including the hardware platform based on PC-DAQ virtual instrument architecture and the software platform based on LabVIEW function, structure and system implementation methods. The function, structure and system implementation method of software platform is also described. The gear limits checking, zero testing, time domain characteristics test results showed that the system achieves testing requirements well, and can complete detection of electric steering gear automatically, fast, easy and accurate.
Highlights
As an operational component of flight control system for an unmanned aerial vehicle, steering gear generates corresponding force and torque according to command of a flight control computer for manipulating steering panel or thrust guide mechanism, in order to control flight attitude and trajectory
To ensure that the unmanned aerial vehicle can smoothly and safely fulfill its flight task, performance of the steering gear shall be tested before the vehicle takes off
All input signals of the steering gear are indicated by an analog meter or manually observed
Summary
As an operational component of flight control system for an unmanned aerial vehicle, steering gear generates corresponding force and torque according to command of a flight control computer for manipulating steering panel or thrust guide mechanism, in order to control flight attitude and trajectory. Various performance parameters, including startup current, operating current, startup voltage and times of magnification, shall be manually read and recorded by the inspector. Such manual inspection has some problems like difficulty for testing, low efficiency and poor precision. Virtual instruments belong to a system of computer instruments designed and designed by users with a virtual panel on a computer-based hardware platform and test functions realized by testing software In essence, they simulate interfaces of traditional instruments by computer display, to output measurement results in multiple forms. Being critical for virtual instruments, software platform is primarily used for calculating, analyzing and processing data of tested signals. Data are managed and conditioned by Microsoft SQL Server, including tested items, parameter processing, test case generation, system management, databases and other functional modules
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