悬架系统的天棚阻尼控制策略，有效减低系统的动载荷，加速度-Ceiling suspension system damping control strategy to effectively reduce the system dynamic loads, accelerations

单自由度质量弹簧阻尼系统，受到单位阶跃激励，设置PID控制，给出合适的PID参数，使得系统的响应得到有效控制-Single degree of freedom mass-spring damping system, by the unit step excitation, set PID control, given the appropriate PID parameters such that the response system has been effectively controll