隨著材料科學進步，目前許多隔減震系統已應用了阻尼器等構件，這些構件之反
力和反應速度相關，傳統擬動態試驗技術往往無法滿足此類速度相依型構件試驗的需
求。為了發展即時擬動態試驗，本文中除了說明目前常使用之數值方法及所需之開發
軟體外，主要之重點是以國立成功大學土木工程學系之萬能試驗機INSTRON 8800進行即時擬動態試驗。為了實現這樣的技術，使用NI-PCI6031E訊號擷取卡來做為溝通的媒介，並以SCRAMNet+SC150e PCI 卡預先模擬試驗時可能會發生的情形。
本研究中利用所介紹之軟硬體，應用了MATLAB之Simulnk工具箱配合自行撰寫的S-function之Newmark外顯法模塊來進行即時擬動態試驗，文中考慮油壓系統或AD/DA卡所產生的時間延遲之影響，並利用相位角補償法修正回饋增益來降低時間延遲的影響，考慮門型含線性彈簧斜撐之框架系統，在較容易掌控的線性範圍內，以INSTRON 8800進行初步的即時擬動態試驗，瞭解INSTRON 8800的硬體設備特性後，以便未來進行非線性結構擬動態實驗時，能有所突破。
即時擬動態試驗之相關領域還有許多待發展的空間，除了需要土木背景之開發人
才外，還需電機、機械和訊號處理等其他領域之配合。目前我們所發展的系統未來能
快速結合油壓伺服系統、並和資料處理系統進行整合。並期望能於此平台上執行相關
之結構分析軟體，如OpenSees 等來達到結構分析領域的新紀元。

The real-time pseudodynamic test is a combination of numerical analysis and experimental test that can emulate the dynamic behavior of structures under environmental loading such as seismic in time domain. The speed and quality of information communication between numerical model and experimental measurements will dominate the results of test. A real-time pseudodynamic testing simulator is proposed based on a pair of shared common RAM network hardware connected by fiber-optic cables. The dynamic response of a portal frame with linear spring as its diagonal bracing is verified experimentally by applying proposed real-time pseudynamic testing technique via the INSTRON 8800 material testing machine.

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