基于Xscale的小型无人直升机飞控系统设计  

Design of Flight Control System in Small-scale Unmanned Helicopter Based on Xscale

作　　者：钱翰博[1] 李学恩[1] 常红星[1] 

机构地区：[1]中国科学院自动化研究所综合信息系统中心,北京100190

出　　处：《系统仿真学报》2008年第S2期209-212,228,共5页Journal of System Simulation

基　　金：863计划(2007AA04Z233)

摘　　要：依据小型无人直升机飞控系统高性能和小型化的要求,提出了一种基于PXA270Xscale嵌入式微处理器的飞控系统硬件设计方案,给出了基于嵌入式Linux实时操作系统的飞控软件功能模块和流程图。飞控系统采用分层递阶控制结构,包括多回路串级控制与多模态切换控制。系统设计灵活、实时性强,具有较好的自主控制性能。According to the demand of high performance and miniaturization for flight control system in small-scale unmanned helicopter,a new design of hardware is developed based on PXA270 Xscale embedded microprocessor.An embedded real time flight control software is developed based on the Embedded Linux Operation System.The software function module and flowchart are given.The hierarchical control architecture which includes multi-loop cascade control and multi-mode transition control is proposed in the flight control system.The system is noted for its flexible design,hard real-time performance and superior autonomous control performance.

关 键 词：小型无人直升机 飞控系统 分层递阶控制 多模态切换 

分 类 号：V249.1[航空宇航科学与技术—飞行器设计]