使用adams功能子程序：VForce 并验证了使用VForce替代弹簧阻尼的效果，经过测试两者完全吻合-Use adams function subroutine: VForce and validated using VForce alternative spring-damper effect, tested both fully consistent

adams弹簧阻尼阵子的建立及仿真，加深对adams的应用了解-Establishment and simulation adams spring damping time around, and deepen understanding of the application of adams

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