As for the viscous dampers " optimum installation in structure , the passive control strategy based on the structural sensitivity analysis and structural dynamics modification is proposed , and applied in energy dissipation and damping control of eccentric structures 对于粘滞阻尼器在结构中的优化设置问题,提出了基于结构灵敏度分析与结构动力学修改的被动控制策略,并将其用于粘滞阻尼器对偏心结构的耗能减震控制。
The results of simulation show that , compared to the passive suspension system with optimal damping , using continuous damping control rules , the rms values of lateral response acceleration car body can be reduced 20 % to 25 % , maximum values ( 3er ) of lateral acceleration can be reduced 40 % to 50 % , the ride comfort index can be reduced 10 % to 15 % 结果数据表明,与阻尼最优的被动悬挂相比,采用连续型阻尼控制策略,车体横向加速度响应的均方根值能降低20 - 25 ,加速度最大值能降低约40 - 50 ,横向平稳性指标降低约10 - 15 。
Semi - active suspension system is consist of the traditional springs and controllable dampers , which has lower cost compared to the actuator in active suspension system , with suitable damping control strategy . it can attain to the performances which is nearly to active suspension system , with little consume of energy , this is the reason that the semi - active suspension system has attraction 车辆半主动悬挂系统是由弹性元件、成本低于主动悬挂作动器的可控阻尼器、加上适用的阻尼控制规律构成的,能够在只消耗少量能源的情况下,达到与主动控制相近的性能,这是半主动悬挂具有吸引力的原因所在。
For the research of the damping control strategy one type of controllable damper , magnetico - rheological ( mr ) damper , was constructed and tested , the damping force and displacement characteristic curves , the damping force and velocity characteristic curves are obtained , so that the damping force and voltage ( current ) model , or the damping coefficient and voltage ( current ) model can be further obtained 通过特性试验,得到示功特性、速度特性,经转换得到阻尼器的阻尼力? ?电压(电流)模型和阻尼系数? ?电压(电流)模型。这样在研究中,可以采用开环控制方式或力反馈控制方式实现阻尼力的控制。