Piezoelectric Ultrasonic Guided Wave Structure Health Monitoring SystemIntelligent Sensor and Detection Technology Research Center
Domestic instruments assist scientific research and engineering applications
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Applicable objects
Fatigue cracks, corrosion, and connection status of metal structures, as well as impact damage and connection status of composite material structures
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Basic principles
Using piezoelectric driving devices to excite guided waves into the structure, damage in the structure can cause changes in the propagation characteristics of guided waves (time domain, frequency domain, time-frequency domain features or patterns), and then obtain parameters and images related to structural damage through signal processing methods
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Performance characteristics
Large detection range, high sensitivity, lightweight, and complex signal processing杂
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efficiency
Compared to traditional point by point detection methods, piezoelectric ultrasonic guided wave technology has a longer propagation distance and smaller attenuation, enabling rapid non-destructive testing of large structural components with regular shapes. This not only reduces manpower and time investment, but also improves detection efficiency.
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reduce costs
By combining wireless transmission technology and piezoelectric ultrasonic guided wave technology, the system reduces the cost of system construction and maintenance. At the same time, due to the improved detection efficiency and real-time performance, it also reduces production losses and maintenance costs caused by equipment failures.
CASE Application Cases
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07-19 2024
Location imaging and tracking of multiple damages in carbon fiber composite structures using ultrasonic guided wave method based on linear circular path damage probability distribution
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07-19 2024
Damage localization of composite material plates based on instantaneous energy characteristics of ultrasonic guided waves and probabilistic imaging methods
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07-19 2024
Improved reconstruction algorithm for damage probability detection based on virtual perception path of damage
Shandong Yunmi Measurement and Control Equipment Co., LtdIntelligent Sensor and Detection Technology Research Center
The company relies on the Intelligent Sensor and Detection Technology Research Center of Shandong University to mainly carry out technical research, system development, product sales, and technical services in the fields of non-destructive testing, structural health monitoring, big data processing, and digital twins. It is committed to the dissemination of professional knowledge and technical exchanges.
- 6
system development
- 100
Technical patents
- 10
application area
NEWS News Center
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ESOS Helpline
15254152677Contacts:Manager Zou -
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National University Science and Technology Park, Shizhong District, Jinan City, Shandong Province
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yunmiaocekong@163.com