Optimal Sensor Placement for Leak Detection
Solutions determine where to place sensors for better detecting leaks and also the total number of sensors that should be placed all over the networkGet an offer for your next project
Model Preparation and Sensitivity Matrix Calculation
For this kind of project, it is necessary to have (or create) a hydraulic model of the water network.
Used to evaluate the sensitivity (normally a function of the variation of the pressure) at each of the nodes of the network with respect to the occurrence of leaks at other nodes.
Values obtained are summarized in a sensitivity matrix.
Decision Criteria for Placing Sensors
Sensors should be placed in the nodes with bigger sensitivity in order to gather the most relevant information regarding occurrency of leaks. However the use of this criteria alone may conduce to have all sensors concentrated in nodes relative close among them. It is also convenient to spread sensors over the network rather than concentrating them in a small region. As it is unknown where the leaks would be happening, the sensors should be covering the whole network. From this perspective a second criteria is normally added to evaluate how much spread are sensors in the solution obtained.
Several individual solutions belonging to the Pareto front are visualized on the network map and compared. Additional information from the utility and engineers criteria can be used at this time to select the final solution. For example, facilities (or difficulties) to install sensors at the selected places, real budget limitations, sensor characteristics, among others.
Having a reduced number of solutions to choose from is already a good but the necessary final step depend on the direct eye of engineers with experience and the additional information from the utility.
Sensor Placement for Leak Detection
Project Report and Solution Transfer
After all these steps final report is written with details about the final solution and the different steps leading to it. Additionally, the software used for running calculations, is delivered to the utility in order to review / reevaluate results. The software is prepared to load the hydraulic model of the water network and the corresponding sensitivity matrix generated in the first steps. After a report is delivered it is perfectly possible to have rounds of questions and an additional presentation if necessary. You will have a solution and ready report in a maximum of 15 days for the optimal location of sensors for leak detection in your water network.
Lets work together for the optimal placement of leak detection sensors in your network
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