The invention discloses a dynamic stall test device attack angle adjustment method, equipment, a medium and a product, and relates to the field of dynamic stall test device attack angle adjustment, and the method comprises the following steps: obtaining the current size data of a dynamic stall test device attack angle adjustment mechanism and the included angle between the connecting line of rack connecting points and the horizontal line; performing normalization processing on the current size data according to the rack length to obtain processed size data; based on the processed size data, solving the optimization model by using a sequential quadratic programming algorithm, and determining an optimal crank length, an optimal connecting rod length and an optimal rocker length; the objective function is an equation about correlation coefficients of actual values and expected values of an airfoil profile attack angle, an airfoil profile angular velocity and an airfoil profile angular acceleration; the constraint conditions comprise a rod length constraint condition and a motion law constraint condition; and according to the optimal rod length of each rod and the included angle between the connecting line of the rack connecting points and the horizontal line, the optimal angle of attack is determined so as to adjust the airfoil profile angle of attack. The angle of attack adjustment precision and the angle of attack adjustment range are improved.
本申请公开了一种动态失速试验装置迎角调节方法、设备、介质及产品,涉及动态失速试验装置的迎角调节领域,获取动态失速试验装置迎角调节机构的当前尺寸数据和机架连接点连线与水平线的夹角;对当前尺寸数据以机架长度进行归一化处理,得到处理后的尺寸数据;基于处理后的尺寸数据,利用序列二次规划算法,对优化模型进行求解,确定最优曲柄长度、最优连杆长度和最优摇杆长度;目标函数是关于翼型迎角、翼型角速度及翼型角加速度的实际值与期望值的相关系数的方程;约束条件包括杆长约束条件和运动规律约束条件;根据各杆最优杆长和机架连接点连线与水平线的夹角,确定最优迎角,以调节翼型迎角。本申请提高了迎角调节精度和调节范围。
Dynamic stall test device attack angle adjusting method, equipment, medium and product
一种动态失速试验装置迎角调节方法、设备、介质及产品
2024-11-08
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |
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