飞机垂直剖面性能优化及仿真  

Aircraft Vertical Trajectory Performance Optimization and Simulation

作　　者：孙淑光[1] 戴博[1] 张鹏[2] 

机构地区：[1]中国民航大学智能信号与图像处理天津市重点实验室,天津300300 [2]中国民航大学工程训练中心,天津300300

出　　处：《控制工程》2011年第4期600-604,共5页Control Engineering of China

基　　金：国家自然科学基金(60472124)

摘　　要：利用飞行参数及大气信息,进行飞机垂直轨迹优化,减少燃油消耗,降低飞行成本是商用航空的目标。深入分析相关参数对飞机飞行成本的影响,对垂直轨迹优化计算进行了理论分析和研究。采用能态近似法,推导并给出性能优化的计算方法;通过分析成本指数,确定以最低成本为指标的性能优化方程;利用成本指数计算最低成本下的优化巡航速度,生成优化轨迹,给出仿真结果并分析了重量、成本指数等参数的变化对轨迹优化的影响。结果表明,本方法实现简便,效果良好,可以实现实时轨迹优化。The objective of commercial aircraft is to reduce fuel consume so as to reduce flight cost by optimizing flight trajectory using flight parameters and air data.Parameters affecting flight cost and performance calculation are analyzed deeply.Using the definition of cost index,this paper gives out performance optimization method of by using energy state approximation and the calculation formula of performance optimization using minimum cost as indicator first.then,the optimized cruise speed with minimum cost is obtained according to the cost index.Finally,the simulation results are analyzed and effects of certain parameters such as weight and cost index to trajectory optimization are given out.According to the simulation,the optimization method is useful;we can use it to get real-time trajectory optimization.

关 键 词：成本指数 能态近似法 性能优化 

分 类 号：TP27[自动化与计算机技术—检测技术与自动化装置]