试飞数据查询引擎设计

Design of Flight Test Data Query Engine

试飞数据是飞行试验的核心产品,具有参数量多、数据体量大、信息复杂程度高及查询响应快等特征,支撑飞机设计、制造、试飞、运营等阶段任务;试飞数据查询引擎旨在提供PB级多维度试飞数据快速查询服务,对试飞数据特征深度分析,采用大数据交互式查询关键技术,基于试飞数据处理与分析平台,研究了存算分离技术和异构计算技术,设计试飞数据查询引擎,具备多源数据汇聚,多维信息精细查询,多层数据灵活钻取,多功能自定义函数集成,多类指标数据自适应输出等功能,创新试飞数据查询与可视化方式,实现单架次数据存储记录数在5万条内,数据查询效率秒级响应,并成功应用在某型国产民机的飞行试验数据管理与分析中,服务于试飞工程师、飞机设计人员、课题工程师,提高了试飞数据管理效率与试飞数据应用价值。

Flight test data is the core product of flight tests,characterized by a large number of parameters,a large data volume,high complexity of information,and fast query response.It supports aircraft design,manufacturing,flight testing,and operational tasks.The flight test data query engine aims to provide PB-level multi-dimensional flight test data rapid query services,deeply analyze the characteristics of flight test data,use key technologies of big data interactive queries,and based on the flight test data processing and analysis platform,research storage and computation separation technology and heterogeneous computing technology,design a flight test data query engine with functions such as multi-source data aggregation,multi-dimensional information fine query,multi-level data flexible drilling,multi-functional custom function integration,and multi-class indicator data adaptive output.Innovative flight test data query and visualization methods achieve storage record numbers within 50,000 records per flight,with query response efficiency in seconds,and have successfully applied to the flight test data management and analysis of a domestic aircraft type,serving flight test engineers,aircraft designers,and project engineers,improving the efficiency of flight test data management and the application value of flight test data.