飞机起落架系统涉及机械、液压和控制等多个领域，采用传统的单一领域仿真软件无法实现其系统级建模及半物理仿真分析。通过研究建立基于Modelica语言的起落架半物理仿真平台，为起落架系统开发提供统一的多领域系统建模仿真环境，实现了起落架的系统级统一建模，并实现了支持Modelica模型的半物理仿真应用，可以用来指导起落架的总体设计及验证。%Aircraft landing gear relates to the mechanical,hydraulic and control fields,is unable to realize the overall modeling,simulation and analysis by traditional single field simulation software. A hardware-in-loop simulation platform based on Modelica language,provides a uniform environment for landing gear system modeling and simulation,realize the system level modeling of the landing gear,can be used to guide the overall design of landing gear.
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