Options
非破壞評估可靠度之模型適合度探討
Date Issued
2005
Date
2005
Author(s)
張紘睿
DOI
zh-TW
Abstract
Non-Destructive Testing (NDT) plays an important role in the safety assessment of structures. Based on signal response of NDT detection, we can judge whether there are cracks or not in structures. However, The NDT result is influenced by many factors. Because of such uncertainty, the signal response data had better be analyzed with a linear regression model. The (Probability of Detection, ) curve as a function of crack length can be constructed from the data based on the model to reveal the ability of detection for a certain NDT apparatus. Since the thus evaluated is related to the probability distribution of the noise. A detailed statistical analysis of the noise is also provided in the present study. After testing of the probability distribution of noise, the assumed normal distribution is valid. But the variance of the probability distribution of noise from different crack length is not the same.
Subjects
非破壞檢測
檢測機率曲線
NDT
POD
Type
thesis
File(s)
No Thumbnail Available
Name
ntu-94-R91522524-1.pdf
Size
23.53 KB
Format
Adobe PDF
Checksum
(MD5):fd7cfe9b0fad15db9b49462ccec91a17