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介绍了在模态试验中消除传感器附加质量对模态参数识别结果影响的方法。该方法主要针对固定激振点、移动单个传感器的常见试验情况,在不需改变常规试验设备和方法、不增加测试工作量的前提下,用分析方法消除传感器质量的影响。为验证该方法的正确性和有效性,对一直梁作了仿真计算和实验研究。
The method to eliminate the additional mass of the sensor in the modal test to the modal parameter identification results is introduced. This method is mainly aimed at the common experimental conditions of fixed excitation point and moving single sensor, and eliminates the influence of sensor quality with the analysis method without changing the conventional test equipment and method and without increasing the workload of the test. In order to verify the correctness and effectiveness of the method, the simulation and experimental study has been done.