Structural Health Monitoring
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Giám Sát Sức Khỏe Công Trình tại Trung Quốc Đại Lục: Đánh Giá và Xu Hướng Tương Lai Dịch bởi AI
Structural Health Monitoring - Tập 9 Số 3 - Trang 219-231 - 2010
Công nghệ giám sát sức khỏe công trình (SHM) đã được ứng dụng thành công để hiểu rõ các tải trọng, điều kiện môi trường và hành vi của công trình chịu tác động của các yếu tố khác nhau thông qua việc giải quyết một bài toán ngược. Công nghệ cảm biến là một phần quan trọng của SHM. Trong bài báo này, sự phát triển của công nghệ cảm biến tiên tiến và các loại cảm biến tại Trung Quốc Đại Lục trong th...... hiện toàn bộ
#giám sát sức khỏe công trình #cảm biến #công nghệ cảm biến #Trung Quốc đại lục #kỹ thuật động đất #kỹ thuật gió #ăn mòn #hiệu suất vòng đời #PZT #sợi quang #xi măng thông minh.
A uniform initialization Gaussian mixture model–based guided wave–hidden Markov model with stable damage evaluation performance During practical applications, the time-varying service conditions usually lead to difficulties in properly interpreting structural health monitoring signals. The guided wave–hidden Markov model–based damage evaluation method is a promising approach to address the uncertainties caused by the time-varying service condition. However, researches that have been performed to date are not compr... ... hiện toàn bộ
Structural Health Monitoring - Tập 18 Số 3 - Trang 853-868 - 2019
A data-driven temperature compensation approach for Structural Health Monitoring using Lamb waves This paper presents a temperature compensation method for Lamb wave structural health monitoring. The proposed approach considers a representation of the piezo-sensor signal through its Hilbert transform that allows one to extract the amplitude factor and the phase shift in signals caused by temperature changes. An ordinary least square (OLS) algorithm is used to estimate these unknown pa... ... hiện toàn bộ
Structural Health Monitoring - Tập 15 Số 5 - Trang 525-540 - 2016
Structural Damage Detection using Independent Component Analysis This paper presents a novel approach to detect structural damage based on combining independent component analysis (ICA) extraction of time domain data and artificial neural networks (ANN). The advantage of using time history measurements is that the original vibration information is used directly. However, the volume of data, measurement noise and the lack of reliable feature extraction ... ... hiện toàn bộ
Structural Health Monitoring - Tập 3 Số 1 - Trang 69-83 - 2004
Structural Health Monitoring in the Railway Industry: A Review Wayside detection monitors critical parameters relating to the condition of in-service railway vehicles. Economic decisions about the maintenance of vehicles can be made, and servicing can occur when a particular vehicle is likely to cause even small amounts of damage to the track, to itself, or when the cost of damage is significant, such as in catastrophic failure. Veh... ... hiện toàn bộ
Structural Health Monitoring - Tập 4 Số 1 - Trang 81-93 - 2005
Distribution adaptation deep transfer learning method for cross-structure health monitoring using guided waves Deep learning algorithm can effectively obtain damage information using labeled samples, and has become a promising feature extraction tool for ultrasonic guided wave detection. But it is difficult to apply the monitoring expertise of structure A to structure B in most cases due to the differences in the dispersion and receiving modes of different waveguides. For multi-structure monitorin... ... hiện toàn bộ
Structural Health Monitoring - Tập 21 Số 3 - Trang 853-871 - 2022
Vibration Based Diagnosis of a Centrifugal Pump The centrifugal pump has a long history of frequent failure of anti-friction bearing since its commissioning in 1985. Vibration based conventional condition monitoring has regularly been used to identify the progressive nature of the bearing failure, but has failed to identify the root cause. Modal tests have been conducted on the pump assembly to understand the dynamics of the complete a... ... hiện toàn bộ
Structural Health Monitoring - Tập 5 Số 4 - Trang 325-332 - 2006
An effective health indicator for bearing using corrected conditional entropy through diversity-driven multi-parent evolutionary algorithm The bearing vibration signal possesses nonlinear and non-stationary characteristics; hence; it is difficult to diagnosis the faults in the bearing under different working conditions. In this article, a new scheme has been proposed based on complete ensemble empirical mode decomposition with adaptive noise and corrected conditional entropy to recognize the different class of faults in bear... ... hiện toàn bộ
Structural Health Monitoring - Tập 20 Số 5 - Trang 2525-2539 - 2021
Real-time distortion monitoring during fused deposition modeling via acoustic emission Fused deposition modeling is a popular technique for three-dimensional prototyping since it is cost-effective, convenient to operate, and environment-friendly. However, the low quality of its printed products jeopardizes its future development. Distortion, also known as warping deformation, which is caused by many factors such as inappropriate process parameters and process drifts, is one... ... hiện toàn bộ
Structural Health Monitoring - Tập 19 Số 2 - Trang 412-423 - 2020
Laser ultrasonic visualization technique using a fiber-optic Bragg grating ultrasonic sensor with an improved adhesion configuration In this research, we attempt to establish a reliable structural health monitoring technique for composite materials by combining phase-shifted fiber-optic Bragg grating sensing with the laser ultrasonic visualization technology. In the first part of this article, a novel cross-adhesion configuration is designed to resolve the directionality problem of the phase-shifted fiber-optic Bragg g... ... hiện toàn bộ
Structural Health Monitoring - Tập 20 Số 1 - Trang 303-320 - 2021
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