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对飞机前起落架在转弯控制状态下进行了摆振分析,通过主动力做功分析对转弯控制系统设计提出了建议和要求,应用耗能等效原理建立了主动力和等效粘性阻尼力间的关系。建立并求解以轮胎变形为主的摆振方程组得到主动力摆振区和摆振动态响应曲线,根据动态响应的收敛速度确定防摆所需的主动力及转弯作动器的有效活塞面积。
Shimmy analysis is carried out on the nose landing gear under the condition of turning control. Proposals and requirements of the steering control system design are proposed through the analysis of the active power, and the relationship between the driving force and the equivalent viscous damping force relationship. Based on the convergence rate of dynamic response, the main driving force and the effective piston area of turning actuator are determined.