Calibration of 3-D wind measurements on a single-engine research aircraft
Calibration of 3-D wind measurements on a single-engine research aircraft
复制标题
单引擎研究飞机上 3D 风测量的校准
DOI：
10.5194/amt-8-3177-2015
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发表时间：
2015
影响因子：
3.8
通讯作者：
R. Baumann
中科院分区：
文献类型：
--
作者：
C. Mallaun;A. Giez;R. Baumann
抽象的。介绍了一种新型的用罗斯蒙特858 AJ型风速探头测量风速的校准方法。该方法被证明是一个传感器系统安装在一个中型的研究飞机，这是用于测量在大气边界层。该方法遇到了一系列协调的飞行机动，直接估计的空气动力学影响的探针和计算的测量不确定度。差分全球定位系统（DGPS）与高精度惯性参考系统（IRS）相结合的引入给机载测量技术带来了重大进步。几何高度的精确确定允许使用压力信号作为独立参数。此外，精确的高度信息和逐步校准过程导致最大的精度。结果表明，0.1 hPa的动态和静态压力的空气动力学影响的测量不确定度。所应用的参数化不需要任何高度依赖性或时移。经过广泛的飞行试验，发现了气流角（攻角和侧滑角）的修正，这对于成功地计算风是必要的。提出了一种新的方法来修正气动力对侧滑角的影响。对于三维（3-D）风矢量（分辨率为100 Hz），测试了一种新的误差传播方案，该方案确定了水平风分量的测量不确定度为0.3 m s-1，垂直风分量的测量不确定度为0.2 m s-1。
Abstract. An innovative calibration method for the wind speed measurement using a boom-mounted Rosemount model 858 AJ air velocity probe is introduced. The method is demonstrated for a sensor system installed on a medium-size research aircraft which is used for measurements in the atmospheric boundary layer. The method encounters a series of coordinated flight manoeuvres to directly estimate the aerodynamic influences on the probe and to calculate the measurement uncertainties. The introduction of a differential Global Positioning System (DGPS) combined with a high-accuracy inertial reference system (IRS) has brought major advances to airborne measurement techniques. The exact determination of geometrical height allows the use of the pressure signal as an independent parameter. Furthermore, the exact height information and the stepwise calibration process lead to maximum accuracy. The results show a measurement uncertainty for the aerodynamic influence of the dynamic and static pressures of 0.1 hPa. The applied parametrisation does not require any height dependencies or time shifts. After extensive flight tests a correction for the flow angles (attack and sideslip angles) was found, which is necessary for a successful wind calculation. A new method is demonstrated to correct for the aerodynamic influence on the sideslip angle. For the three-dimensional (3-D) wind vector (with 100 Hz resolution) a novel error propagation scheme is tested, which determines the measurement uncertainties to be 0.3 m s−1 for the horizontal and 0.2 m s−1 for the vertical wind components.
影响因子：
2.2
作者：
Druee, Clemens;Heinemann, Guenther
通讯作者：
Heinemann, Guenther