直升机飞行模拟器通用型操纵负荷系统设计

Design of Universal Control Load System of Helicopter Flight Simulator

为解决直升机飞行模拟器操纵负荷系统的通用性及操纵品质问题,设计了适用于直升机飞行模拟器的通用型操纵负荷系统。提出了动态反馈控制模式,解决了控制刚度与系统稳定性、控制精度与响应频率之间的矛盾,有效提高了控制刚度及运动精度;研发了力加载机构,结合三阶平滑算法,简化了系统机械结构和传动环节,改善了力感平滑度;采用了三阶平滑算法和基于EtherCAT现场总线的数字控制技术,提高了系统的抗干扰能力及响应速度,增强了系统控制的灵活性。

To improve the universality and handling quality of control system of helicopter flight simulator, a universal control load system of helicopter flight simulator suitable for helicopter flight simulator is designed. The dynamic feedback model is proposed to solve the contradiction between control rigidity and stability, control precision and response frequency, the control rigidity and kinematic accuracy are improved.The operating load mechanism is designed, the system structure and drive system are simplified, the smoothness of force perception is improved;the third order smoothing algorithm and fieldbus technology based on EtherCAT are applied to improve the anti-jamming capability and response speed, the flexibility of control system is enhanced.