面向飞行器快速开发的半数字化伺服弹性试验方法研究

Research on Semi-Digital Servo-Elasticity Experiment Method for Rapid Development of Aircraft

针对典型伺服弹性试验产品齐套与试验周期均较长,获取伺服弹性参数的时间点在研制阶段相对滞后的现状,提出了一种面向飞行器快速开发的半数字化伺服弹性试验方法。首先给出了低产品需求伺服弹性开环试验方法与基于数据的飞行器伺服弹性参数获取方法,该方法相对于典型的伺服弹性开环试验方法减少了试验软硬件产品需求。之后,在开环伺服弹性试验结果基础上,给出了考虑气动力影响的数字化闭环伺服弹性试验方法。提出的方法面向飞行器工程研制,兼顾成本、进度与准确性,适用于飞行器快速研制。

A typical servo-elasticity experiment requires long product prepare cycle and experiment cycle,which results in relatively late acquisition of servo-elastic parameters in the development stage.In this paper,a semi-digital servo-elasticity experiment method for rapid development of aircraft is proposed.Firstly,a low-product-requirement servo-elastic open-loop experiment method is presented with a data-based servo-elastic parameter acquisition method.Compared with typical servo-elasticity open-loop experiment method,this method reduces the demand for software and hardware in experiment.After that,based on the results of open-loop servo-elasticity experiment,a digital closed-loop servo elasticity experiment method is given taking aeroelasticity into account.The method proposed in this paper is oriented to aircraft engineering development,taking into account experiment cost,cycle and accuracy,and is suitable for rapid aircraft development.