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起落架收放控制系统设计需考虑多种约束条件和影响因素,系统仿真平台的使用是辅助系统设计的重要手段.基于流体系统仿真软件Flowmaster,建立了大型飞机起落架收放控制系统液压附件仿真模型,在此基础上构建了完整收放控制系统仿真模型.基于建立的系统仿真模型,进行了正常飞行状态下起落架收上过程仿真分析,仿真结果给出了液压作动器尺寸设计对收放过程中系统入口压力需求、系统液压流量及起落架收放时间的影响.该仿真方法可用于起落架收放控制系统初步设计及多种飞行状态下设计方案的校核.
The landing gear retractable control system design needs to consider a variety of constraints and influencing factors, the use of system simulation platform is an important means of assisting the system design.Based on the fluid system simulation software Flowmaster, a large aircraft landing gear retractable control system hydraulic accessories simulation Model, based on which a complete retractable control system simulation model is constructed.Based on the established system simulation model, the simulation analysis of the landing gear retraction process under normal flight conditions is given. The simulation results show that the hydraulic actuator size design The system inlet pressure demand, the hydraulic flow of the system and the retractable landing time of the system are put in. The simulation method can be used in the initial design of the retractable landing gear control system and the check of the design scheme under a variety of flight conditions.