在眾多消能元件中，液流阻尼器可有效提高結構之阻尼比，達到減震效果，但裝設於高勁度樓房時，由於層間位移量不大，而導致阻尼器位移量降低，使得消能效果大打折扣。爲突破此一瓶頸，在此吾人提出菱形機構阻尼系統，藉由菱形之幾何變形放大阻尼器之位移，達到提高阻尼器消能之目的。論文中並利用SAP2000軟體進行數值模擬分析，在地震力作用下以諸多分析實例，證實菱形機構阻尼系統確實能有效放大位移量，達到消能減震之功能。

Among various energy-dissipating devices, fluid dampers have a great effect upon increasing structural damping ratio and reduce seismic responses. When we install them in the high stiffness buildings, the relative displacements between floors are very small. Consequently it will lead lower damper displacements and decrease aseismatic energy dissipation functions. To break through the choke point, damping system in rhombus mechanism is proposed herein. By the amplifying effect of the damper displacement through the rhombus deformation mechanism, the energy dissipation function can be greatly increased. By means of numerical analysis with SAP2000 software package, various cases with different install types are analysed to simulate the structures subjected to excitations. It is found that rhombus mechanism can really enlarge the displacement of dampers and reduce the seismic responses to meet the goal of aseismatic structural control purpose.

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