摘要
以国产某型号飞机为背景 ,提出六自由度飞机对象建模的一般方法和原则。此建模方法直接根据牛顿第二定律推导出全量非线性方程 ,没有对刚体运动模型和气动数据做线性化处理 ,考虑了飞机纵横向之间的耦合作用和决定飞机性能的绝大多数因素 ,因此该模型更精确、更全面地反映了飞机的实际运行特性 ,并且具有较强的通用性。用高性能仿真软件MATRIXx作为开发环境极大地提高了仿真手段 。
With background of a certain model of homemade fighter, this paper puts forward a general method and principle of establishing simulation model of six degree of freedom fighter. By this modeling method the whole non linear equation is derived directly from the Second Newton Law without linearization of movement model of rigid body and aerodynamic data. It studies coupling influence between longitudinal and lateral, and takes main factor of fighter performance into account, so the model represents flight characteristics of fighter more accurately and effectively, and it is more universal. The simulation software MATRIXX is used as developing platform which improves simulation means greatly, and makes researcher break away from the old work mode.
出处
《系统仿真学报》
EI
CAS
CSCD
2000年第3期210-213,共4页
Journal of System Simulation
关键词
六自由度数学模型
飞行控制系统
飞机
仿真
six-degree-of freedom mathematical model
flight
modeling and simulation
fighter model
