| 1. | Optimum control design of active tuned mass damper for structures subjected to earthquakes
地震作用下结构主动调谐质量阻尼器最优控制设计 |
| 2. | The vibration control has two main types : initiative and passivity . i use the modulation frequency tuned mass damper to control the vibration of it and adopt ansys5 . 5 to calculate the result of it
振动控制主要有主动和被动控制，我是应用被动控制的调制调频质量阻尼器进行桥机的控制。 |
| 3. | These drawings covered four basic systems as used by mclaren and were : the internal layout of the fuel tank , the basic layout of the gear clusters , a tuned mass damper and a suspension damper
这些图纸包括迈凯伦车队的四个基本系统，它们是：燃料箱的内在布局，变速箱的基础设计，质量减震器和悬挂阻尼。 |
| 4. | Base on the theory of random vibration and the calculating principle and method for the passive tuned mass damper ( tmd ) , which was taken to control buffeting at the construction stage , the paper explains the design method of tmd and the formula use to control buffeting responses of bridge pylon was deduced
根据随机振动原理和被动调质阻尼器( tmd )对结构的减振原理，本文简单阐述了tmd的设计方法，并推导出了用于桥塔风振控制计算的公式。 |
| 5. | The purpose of this thesis is to investigate the control effect of a semi - active vibration absorber developed for an offshore platform and a vibration control system is also designed . the vibration of the structure is suppressed by installing the new and innovative variable stiffness tuned mass damper ( vstmd ) on the top deck of the platform
计算表明，本控制装置对由随机波浪载荷引起的平台振动有一定的控制效果，对平台甲板加速度响应的控制效果最高可达29 ，其平均效果也在21以上，甲板的位移响应也能得到一定的抑制。 |
| 6. | There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming . this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory . then the thesis studied concretely on the validity of active cable by an example
本论文对船舶结构波浪砰击响应的主动控制方法进行了研究，主要对基于线性二次型最优控制原理设计出来的主动缆作动器和主动式调谐阻尼器两种控制器做了理论原理和作动器构成上的探讨，并进一步研究了主动缆作动器运用于船舶因波浪砰击引起的结构振动控制的有效性。 |
| 7. | The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy , which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification . now the main devices which have been developed in the passive control may be grouped into the following types : viscous , visco - elastic , metallic and frictional , and tuned mass damper ( tmd ) and tuned liquid damper ( tld )
被动控制通过附加阻尼装置耗散或吸收大部分的地震动能量以达到减振的目的，由于其控制装置简单，不需要外界能源输入和系统识别，容易在工程上实现并已得到广泛的应用；目前被应用于结构被动控制的阻尼器主要有：粘滞型、粘弹型、摩擦型、调谐质量阻尼器( tmd )和调谐液体阻尼器( tld ) 。 |
