Calibration station for innovative measurement techniques in dynamics and acoustics

所要求的大型设备将用于监测动力学和声学方面的测量设备，特别是风能研究。符合要求，保证了申请单位的研究实验室进行标准化、可追溯的校准。除了校准单个传感器外，该设备还提供定义的加速度并分析整个测量链。这是很重要的，因为测量链的每个元素都应该知道传递函数、干扰和噪声。这是结构健康监测方法研究中数据驱动方法的重要前提。风电机组结构（如塔架、动叶）固有频率在0.05 ~ 1hz之间，或受到风或波浪等各自外部低频载荷的动态激励，需要在极低频范围内进行标定。通常的校准设备的下限为0.1 Hz，而这里要求的设备完全覆盖了整个所需的低频范围。

The requested large-scale device will be used for monitoring the measuring equipment in dynamics and acoustics with special respect to wind energy research. It meets the requirements, which guarantee a standardized and traceable calibration in the research laboratory of the applying institute. In addition to the calibration of single sensors the device provides defined accelerations and analyses the whole measuring chain. This is important, because each single element of the measuring chain should be known in terms of transfer function, disturbances and noise. This is an important prerequisite to data-driven methods within the research of Structural Health Monitoring methods.With respect to structures of wind energy turbines (for example towers, rotor blades), which either have natural frequencies in the range from 0.05 to 1 Hz or are dynamically excited by respective external low-frequency loads due to wind or waves, calibration is needed in the very low frequency range.Usual calibration devices have a lower limit of 0.1 Hz, whereas the here requested device covers the full desired low frequency range entirely.