Publications de Pingyu Zhu | EPFL Graph Search

Strain measurement of hydraulic turbine using distributed optical fiber sensor: a preliminary study

This paper demonstrates the feasibility and huge potential of applying distributed fiber optic sensing technologies to strain monitoring and failure predictions in hydraulic machinery, validated by a good match between experimental results and theoretical ...

Optical Society of America, 20202020

Preliminary Study of Distributed Fiber Optic Sensing Technologies in Hydraulic Machinery

Luc Thévenaz, Can Yao, Camille Sophie Brès, Xiaopeng Huang, Pingyu Zhu

This paper includes a preliminary study of bringing innovative and promising distributed optical fiber sensing technologies to strain monitoring of hydraulic machinery. ...

Optical Society of America2018

Delamination monitoring using low frequency stress waves for laminated composites

Wei Shi, Zhisheng Yang, Pingyu Zhu

Owing to the anisotropy of composite laminates, local responses happens at periphery of the drilled hole even under the same loads. The strain measurement is probably the most sensitive and better option to detect and quantify delamination inside composite ...

Politecnico di Milano2016

Seepage and settlement monitoring for earth embankment dams using fully distributed sensing along optical fibers

Luc Thévenaz, Yao Zhou, Pingyu Zhu

A method for seepage and settlement monitoring in earth embankment dams using fully distributed sensing along optical fibres is proposed. A model is developed for simulating and monitoring seepage and settlement systems. This model relates the strains and ...

SPIE2008

Design of simulator for seepage detection in an embankment based on distributed optic fibre sensing technology

Luc Thévenaz, Pingyu Zhu, Yang Zhou

Based on the temperature change in an embankment, a seepage flow simulator and monitoring system based on distributed optical fiber sensing are proposed. A simulator is designed that consists of scale model of embankment with definite length, seepage flow ...

2007