飞机270 V直流电源供电特性参数校准方法实现与验证  

Implementation and Verification of Calibration Methods for Aircraft 270 V DC Power Supply Characteristic Parameters

作　　者：王建强[1] WANG Jianqiang(Changcheng Institute of Metrology&Measurement,Beijing 100095,China)

机构地区：[1]航空工业北京长城计量测试技术研究所,北京100095

出　　处：《计测技术》2021年第6期73-79,共7页Metrology & Measurement Technology

基　　金：国家“十三五”技术基础科研项目(JSJL2018205B002)。

摘　　要：针对飞机270 V直流电源供电特性测试系统的校准需求,结合GJB 5189-2003《飞机供电特性参数测试方法》等相关标准,完成测试系统的校准项目和校准方法研究,并基于LabVIEW平台编写校准程序,实现了标准信号的生成和采集;基于直接数据合成、宽带精密放大和宽带分压等技术研制了测试系统的校准装置,形成校准系统,实现了稳态参数和瞬态参数的校准能力。编制现场验证试验大纲,并对电源试验台进行了现场试验。结果表明:该校准装置的功能和技术指标满足测试系统的校准需求,验证了以宽带精密放大和分压技术为基础的飞机270 V直流电源供电特性测试系统校准方法的合理和有效性,为四代机270 V直流电源系统研制、生产及维护过程中量值的准确性、可靠性和统一性提供了重要保障。Based on the calibration requirements of aircraft 270 V DC power supply characteristic test system,combined with GJB 5189—2003 and other relevant standards,the calibration items and methods of the test system are studied.The calibration program is written based on LabVIEW platform,which realizes the functions of standard signal generation and collection.A calibration device is developed based on direct data synthesis,broadband precision amplification and voltage divider.The calibration system is formed,which achieves the calibration ability of steady-state parameters and transient parameters.The field verification test program is prepared.The field test of power supply test-bed is carried out.The test results show that the functions and technical indexes of the calibration device meet the requirements of the test system,which verifies the rationality and effectiveness of the calibration method for aircraft 270 V DC power supply characteristic test system based on broadband precision amplification and voltage divider.The calibration methods studied provide an important guarantee for the accuracy,reliability and uniformity of the value in R&D,production and maintenance of the 270 V DC power supply system of the fourth generation airplane.

关 键 词：飞机电源供电特性 校准 LABVIEW 直接数据合成 

分 类 号：TB9[一般工业技术—计量学]