机构地区: 重庆大学资源及环境科学学院工程力学系
出 处: 《重庆大学学报(自然科学版)》 1993年第6期1-7,共7页
摘 要: 利用偏相干函数和相关分析,针对线性常系数多输入输出系统,研究了在相关输入条件下,识别输入对输出贡献大小的计算方法,并将结论应用到汽车的平顺性分析中。识别了引起汽车座椅振动的主要车轮激励源,在相关的振源处采取减振措施,可改善汽车的平顺性。 By using partial coherence function and correlation analysis, the inputcontribution to output for multi-input and output liner system is quanticative and qualitative discriminated when the input is correlation cases. The conclusion is extended into automobile ride comfort. In the paper, the wheels input contribution to vibration output of the every seat is discriminated and the ride comfort is improved by reducing the wheel' s stiffness.