Comfortable helicopter flight via passive/active morphing
Comfortable helicopter flight via passive/active morphing
复制标题
通过被动/主动变形实现舒适的直升机飞行
DOI：
10.1109/taes.2015.140488
复制
发表时间：
2015
影响因子：
4.4
通讯作者：
C. Sultan
中科院分区：
文献类型：
--
作者：
Tuğrul Oktay;C. Sultan
本文提供了一个新的角度来定义舒适的直升机飞行沿着两个解决方案的基础上被动和主动主旋翼变形。约束优化设计问题，旨在最大限度地减少飞行控制能量，同时满足方差约束的飞行参数，被认为是重要的乘客舒适性和降噪制定和解决。输出方差约束（OVC）控制用于控制系统的设计和同时扰动随机逼近（SPSA）解决由此产生的约束优化问题。给出了控制能量的计算细节。闭环响应的设计，满足规定的方差约束与一个非常小的利润率的可实现的方差界的设计，满足这样的约束与一个较大的利润率的被动和主动变形直升机的响应进行比较。
This article offers a new perspective in defining comfortable helicopter flight along with two solutions based on passive and active main rotor morphing. Constrained optimization design problems aimed at minimizing flight control energy while satisfying variance constraints on flight parameters that are considered important in passenger comfort and noise reduction are formulated and solved. Output variance constrained (OVC) control is used for control system design and simultaneous perturbation stochastic approximation (SPSA) is employed to solve the resulting constrained optimization problems. Details on the computation of the control energy are given. Closed-loop responses of designs that satisfy prescribed variance constraints with a very small margin on the achievable variance bounds are compared with responses of designs that satisfy such constraints with a larger margin both for passively and actively morphing helicopters.