Leak diagnosis in pipelines using a combined artificial neural network approach

EJ Pérez-Pérez, FR López-Estrada… - Control Engineering …, 2021 - Elsevier
Leakages in pipelines affect the reliability of fluid transport systems causing environmental
damages, economic losses, and pressure reduction at the delivery points. Therefore, this …

[HTML][HTML] Simplified indirect estimation of pump flow discharge: An example from Serbia

M Rašić Amon, M Radić, Z Stajić, D Brkić, P Praks - Water, 2021 - mdpi.com
In the absence of a flowmeter or due to its inaccuracy, the flow rate at the discharge section
of the pipeline following the observed pump can be roughly estimated if the pressure can be …

Observer for non‐linear systems with sampled measurements: Application to the friction factor estimation of a pipeline

O Hernández‐González… - IET Control Theory & …, 2021 - Wiley Online Library
This paper presents a new approach of the continuous‐discrete observer design for a class
of uncertain state‐affine non‐linear systems. A high‐gain observer redesign is developed …

Optimal control in a pipeline coupled to a pressure reducing valve for pressure management and leakage reduction

JR Bermúdez, FR López-Estrada… - … on Control and Fault …, 2021 - ieeexplore.ieee.org
This paper proposes a model predictive control strategy to optimize the management and
reduce water losses due to leaks in water distribution systems (WDS). First, the …

Optimal estimation of the roughness coefficient and friction factor of a pipeline

I Santos-Ruiz, FR López-Estrada… - Journal of Fluids …, 2021 - asmedigitalcollection.asme.org
This work addresses the estimation of two interrelated parameters of the fluid flow in pipes.
First, a numerical and experimental evaluation of some proposed methods to compute the …

[PDF][PDF] Pressure management to reduce leaks in water distribution systems by means of a pressure reducing valve

JR Bermúdez, C Martınez-Garcıa… - Proc., Memorias del …, 2021 - researchgate.net
∗ Tecnológico Nacional de México, IT Tuxtla Gutiérrez, C. Pan., km 1080, 29050, Tuxtla
Gtz., Mexico.(e-mail: frlopez@ ittg. edu. mx).∗∗ GIPSA-lab, CNRS, Grenoble INP, Université …

Fiber-optic temperature sensor using a no-core fiber structure configuration coated with thermochromic material

GF Pérez-García, JL Camas-Anzueto… - Optical …, 2021 - spiedigitallibrary.org
A fiber-optic temperature sensor configuration is presented. This configuration consists of a
fiber structure made from a no-core optical fiber coated with a thermochromic material as a …