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针对倾转旋翼机既存在拉力矢量控制又存在气动舵控制的复杂操纵特性,在纵向模型的基础上,给出了过渡段操纵控制方案和过渡段转换控制方案。对过渡段平衡点进行配平,计算得出配平工作点处各通道的操纵量,并设计了走廊曲线。采用PID控制和模糊整定技术对过渡段飞行控制系统进行设计,实现了倾转旋翼机从直升机模式到固定翼模式的平稳转换,并保持高度不变。仿真结果验证了所设计的过渡段控制方案的正确性和可行性。
Aiming at the complicated maneuvering characteristics of both tilting rotator control and Rudder control, based on the longitudinal model, the control scheme of transitional section control and the control scheme of transitional section transition are given. The balance of the transition section was trimmed, and the manipulations of each channel at the trim working point were calculated, and the corridor curve was designed. The PID control and fuzzy tuning techniques are used to design the flight control system of the transitional section, which achieves a smooth transition of the tilting rotorcraft from helicopter mode to fixed wing mode and maintains the same altitude. The simulation results verify the correctness and feasibility of the design of the transition section control scheme.