模态试验悬挂系统附加质量惯性力抑制效果检验技术研究

Research on Restraining the Attached Inertia Force in Modal Test Suspension System

介绍了模态悬挂系统的工作原理,通过理论分析研究提出附加质量惯性力抑制方案并通过试验检验效果。附加质量惯性力的抑制是通过电磁力装置来实现的。采用电磁力装置产生适当相应的电磁力,最终使随动部件随动于试件的力来自电磁力,而不是从试件上传递过来。这样抑制了附加质量对试件的影响。

This article introduced the working principle of model suspension system, proposed the way to restrain the attached inertia force after theoretical analysis, and inspect the experimental effect through examination. The restraint of the attached mass inertia force is realized by electromagnetic force installment. Using the electromagnetic force installment to produce corresponding electromagnetic force to make sure the force on follow-up unit come from the electromagnetic force installment, insted of transmitting from the test sample. In this way, the influence of the attached mass to test sample is restrained.[Ch,5 fig.9 ref.]