项目名称: 用于虚拟飞行试验的复杂风场建模方法研究
项目编号: No.61201305
项目类型: 青年科学基金项目
立项/批准年度: 2013
项目学科: 电子学与信息系统
项目作者: 林连雷
作者单位: 哈尔滨工业大学
项目金额: 27万元
中文摘要: 近年来虚拟试验相关的理论与方法已成为研究热点。虚拟试验能在虚拟条件下对被试品进行测试与试验,进而实现对被试品的智能评估。虚拟试验离不开虚拟环境,一些新型的虚拟飞行试验需要更加复杂的风场模型。本项目针对三种复杂风场-三维空间大气紊流场、精细化大气紊流场、微下击暴流场的建模方法展开研究,综合采用相关函数法、空间相关系数分解法以及微分进化算法等方法,解决复杂风场建模的难点问题,并提出完整的建模方法。在此基础上,搭建一个复杂风场演示验证平台,利用对风敏感的虚拟飞机的飞行试验验证复杂风场建模方法的有效性和合理性。该项目的研究对于完善风场建模理论,提高虚拟飞行试验的水平有重要意义。
中文关键词: 虚拟试验;风场建模;大气紊流;微下击暴流;
英文摘要: The theories and methods of virtual tests have become a hot topic in recent years. Virtual tests can test the products in virtual conditions, thus achieving intelligent evaluation to the tested products. Virtual environment is a important factor for virtual test, and now complex wind field are required for some advanced virtual flight tests. This project aims at studying the modeling methods of three complex wind fields: three-dimensional atmospheric turbulence field, refined atmospheric turbulence field, and microburst field. The correlation function method, the spatial correlation coefficient decomposition method and the differential evolution algorithm will be taken to solve the difficult problems of the complex wind field modeling,and some new modeling methods will be proposed. On this basis, a demonstration and verification platform will be built to verify the validity and rationality of the complex wind field modeling methods through virtual flight tests. This project is important for consummating the wind field modeling theory as well as improving the level of virtual flight tests.
英文关键词: virtual test;wind field modeling;atmospheric turbulence;microburst;