노스리지 지진에 의해 손상을 받은4층 철근콘크리트조 골조건물을 대상으로 선형가진기 및 대용량의 편심가진기를 이용한 강제진동실험과 상시미진동 측정을 실시하였다. 미진동 가속도데이터 및 선형가진기에 의한 백색잡음 실험시의 가속도데이터로부터 구조물식별을 수행하여 7차모드까지..
-Vibration sensation test ? ... Guaiac test, cardiovascular examination(심혈관 검사), pain, temperature, vibration sensation test (통증, 온도, ... Use a low pitched tuning fork (128Hz). 1.Test with a non-vibrating tuning fork first to ensure that the
This paper presents a seismic response prediction method using vibration tests of cabinet-type electrical ... identification of a state-space-equation model relating input-output measurements obtained from the vibration ... tests, 3) seismic prediction using the identified earthquake-equivalent forces and the identified state-space-equation
tests. ... by using a portable exciter in accordance with the level of input vibration energy. ... functions were computed from the signals of the acceleration responses and input motions measured from the vibration
The vibration tests consist of modal identification tests, seismic performance tests, and fragility tests ... This paper describes the test specimens, shaking facilities, and test methods. ... For the purpose of this study, actual 154kV porcelain bushings were selected and tested on the shaking
Forced vibration testing is important for correlating the mathematical model of a structure with the ... In this paper, full scale forced vibration tests simulating earthquake response are implemented by using ... test.
In the free vibration experiment, we tested two cases of single spring and serial spring.············ ... Experiments and Design of Vibration and Dynamic Systems Simple/Compound Pendulum and Free Vibration Experiments ... 따라서 주기도 오차가 발생하였다. 4.2 Free Vibration (1) Calculation of Error a.
In the Test B, Set the angle to 15° and 30°, measure the vibration cycle. ... Test (단진자 실험) Submission date: 2022. 05 . 12 . ... Free vibration & Forced vibration ⚫Free vibration : The system moves on its own after initial exercise
Theory of Simple Pendulum TestVibration is a phenomenon in which any physical quantity, such as the ... Experimental results [ Test A ] Measure and compare the period of vibration when the mass is 250g and ... Through this test, I was able to know the relationship between period and vibration angle by line length
The purpose of this experiment is to understand torsional vibrations by comparing theoretical values ... with values from the experiment for torsional eigenfrequency acting on a simple shaped rod.Torsional vibration
Force-vibration tests on a real-sized structure installed with the TLMD were performed to verify its ... Test results showed that the responses of a structure were considerably reduced by using the proposed
Performance test reports d. ... Instrument (front) receipt number receipt date process 7 days [ ] vehicle [ ] air [ ] water [ ] noiseㆍvibration ... Manual on process and performance c.Performance test reports d.
Masking Level 보다 Masking Level을 많이 준 경우 유효 Masking Level : 최소 Masking Level ~ 최대 Masking Level 19 최초 테스트 ... 13 Tympanic B.C Temporal bone의 진동이 고막으로 전달되어 기도전도의 경로를 지나는 경우 Inertial B.C 이소골의 관성에 의해서 진동이 유발되는 경우 Vibrator ... Test (음차검사 중 하나) The Bing Test (음차검사 중 하나) vertex (유양돌기?)
layer were investigated by Rheovibron and vibration test. ... The vibration damping of various multilayer damping sheet with different constraining layer and viscoelastic