Advanced rotor analysis method for the next-generation small multirotor aerial vehicle

这项研究的目标是开发一种适用于小型多旋翼飞行器(如四轴飞行器)的旋翼设计和分析方法。后续的方法将导致转子系统具有更好的飞行性能，如耐力或高速飞行特性。虽然多旋翼飞行器由于在悬停时相对容易控制而经常被选为遥感平台，但在高速或机动飞行时控制变得复杂。可靠的飞行控制的挑战是由于小尺度的典型的非线性空气动力响应，以及由于近距离的几个旋翼的流场的相互作用。提出的方法是对现有的小尺度旋翼气动模型进行扩展。现有的方法将使用目前正在为直升机应用开发的先进尾流模型进行扩展。此外，还采用条带法计算了小尺度非线性气动力。预测方法的开发将受益于在瑞尔森大学大型低速风洞中进行的实验，以及与小型无人机系统世界领先者加拿大公司Aeryon Labs的现有合作。作为拟议研究的一部分，两名MASC、一名博士生和一名博士后研究员将接受应用空气动力学领域的培训。这一结果也将使Aeryon实验室受益，拥有先进的设计工具，将改善他们的产品线。小型天线系统代表着全球迅速扩大的细分市场，加拿大公司，如Aeryon，在这一细分市场中发挥着重要作用。

The objective of the proposed study is to develop a rotor design and analysis method that is suitable for small multirotor aerial vehicles, such as quadcopters. The subsequent method will result in rotor systems with improved flight performance, such as endurance or high-speed flight characteristics. Although multirotor aerial vehicles are often chosen as remote sensing platforms because of their relative ease to control at hover, control becomes complex during high-speed or maneuvering flight. The challenges of reliable flight controls is due to the nonlinear aerodynamic response typical for small scales and due to the interaction of the flow fields of several rotors in close proximity. The proposed approach is to extend an existing aerodynamic model of small-scale rotors. The existing approach will be extended using an advanced wake model that is currently in development for helicopter applications. In addition, the nonlinear small-scale aerodynamics are accounted for using a strip method. The development of the predictive method will benefit from experiments performed in the large low-speed wind tunnel at Ryerson University and an existing collaboration with Aeryon Labs, a Canadian company that is a world leader in small unmanned aerial systems. As part of the proposed research two MASc, one doctoral student and one postdoctoral fellow will receive training in the area of applied aerodynamics. The results will also benefit Aeryon Labs with superior design tools that will improve their product line. Small aerial systems represent a rapidly expanding market segment worldwide, in which Canadian companies, such as Aeryon, play an important role.