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Pose measurement for fighter empennage based on string sensors

机译：基于弦传感器的战斗机尾架姿态测量

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摘要

A follow-up control system is designed to fulfil the fatigue test experiment of fighter empennage. To measure the distortion of empennage, a cost-effective simple rapid measurement method is put forward to permit precise pose measurement on the basis of string sensors. Two sets of string sensor measurement systems are mounted on the base and the vibration table, respectively. The joint coordinates of the measure system composed of six string sensors are determined by a coordinate measurement machine (CMM). Using the forward kinematics, inverse kinematics of Stewart table and quaternion, the string sensor measurement system gets the pose of empennage after the high-frequency component arising from vibration table is filtered by a low-pass filter. Compared with the computation data obtained from CMM, it is demonstrated that the measurement method on pose measurement by string sensor is valid and convenient. All two string sensor measurement systems can run effectively in the fatigue test experiment of fighter empennage.
机译：设计了一个后续控制系统来完成战斗机尾翼的疲劳测试实验。为了测量尾翼的失真，提出了一种经济有效的简单快速测量方法，以允许在弦传感器的基础上进行精确的姿态测量。两组弦传感器测量系统分别安装在基座和振动台上。由六个弦传感器组成的测量系统的联合坐标由坐标测量机（CMM）确定。使用Stewart表的正向运动学，逆向运动学和四元数，弦传感器测量系统在通过低通滤波器对由振动表产生的高频分量进行滤波之后，获得了尾翼的姿态。与从坐标测量机获得的计算数据相比较，表明用弦传感器测量姿势的方法是有效和方便的。所有两个弦传感器测量系统都可以在战斗机尾翼的疲劳测试实验中有效运行。

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