从传统到现代：孝道变迁与重构

通过自制四连杆加载装置，对HRC150型齿式橡胶弹性联轴器进行周期扭转振动实验，得到不同频率和不同幅值下的滞回曲线，发现联轴器具有硬弹簧特性，非线性恢复力矩的刚度系数和阻尼力矩的阻尼系数均与振幅、频率有关。其次，采用迹法模型建立其非线性恢复力矩和阻尼力矩的数学模型，并对模型参数进行拟合识别；最后，为验证模型的正确性，将模型滞回曲线与实验滞回曲线进行对比，发现模型能够很好地反映系统的位移振幅及非线性刚度特性，但是不能较好地反映阻尼特性。

From Traditional to Modern: the Change and Reconstruction of Filial Piety

Series of torsional vibration experiments loading with a four link mechanism were made on a HRC150 gear rubber coupling, and some hysteretic curves were obtained under different frequencies and amplitudes. The results show that it is a nonlinear hard spring and its stiffness coefficient and damping coefficient both are correlated with the amplitude and the frequency. The trace method model was adopted to describe the elastic torque and the damping torque, and parameters were recognized. To verify the correctness of the model, comparison of the hysteretic curves of the model and the experiments were made, and the result shows that the model can reflect well the amplitude and the nonlinear stiffness, but not the damping characteristics.