Reservoir Transfer Control With Flood Simulation Safeguards
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Solution Overview
Problem
Increasing drought frequency, intensity, and duration in states like Texas due to population growth, lag in permitting new lakes, zebra mussel invasions, and siltation lead to degraded dams that require costly rehabilitation or decommissioning, with existing water management systems failing to efficiently manage water flow and prevent flooding.
Innovation Solution
A water supply control system that interconnects non-water supply lakes with water supply lakes using pipes and gates, employing a computer-implemented control system with sensors and reservoir simulation modeling to manage water flow, ensuring it does not cause or worsen flooding, and implementing safety controls for unmanned operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If water is transferred from non-water supply lakes to water supply lakes using existing dams and pipes, then water supply efficiency is improved, but flood risk increases
Solution Approach 1:
The system performs preliminary flood risk assessment through reservoir simulation modeling before executing water transfer operations. The control system evaluates potential flood conditions in advance by modeling various water transfer scenarios and only proceeds with transfers that will not cause or worsen flooding events, thus preventing harmful effects before they occur.
Solution Approach 2:
The system continuously monitors water levels, flow rates, and reservoir conditions using sensors throughout the water transfer network. This real-time feedback is fed back to the control system, which adjusts gate positions and pump operations dynamically to maintain safe operating conditions while maximizing water supply efficiency, preventing flooding by responding to changing conditions.
2Reliability
If automated control systems are implemented for unmanned dam operation, then operational safety is improved, but system complexity increases
Solution Approach 1:
The control system operates autonomously without requiring human operators at dam sites. It self-manages water transfer operations by automatically interpreting sensor data, running simulations to assess flood risk, controlling gates and pumps, and adjusting operations based on real-time conditions. This self-service capability ensures consistent safety protocols are followed while reducing operational complexity through automation rather than human intervention.
Solution Approach 2:
The system replaces manual mechanical operations with automated electronic control. Physical gate operations and pump controls that previously required human operators are substituted with electronic actuators controlled by the automated system, which uses sensors and simulation models to make decisions. This substitution improves reliability through consistent automated execution while managing complexity through integrated software control.
3Measurement precision
If reservoir simulation modeling is used to assess flood risk, then decision accuracy is improved, but computational time increases
Solution Approach 1:
The system pre-establishes simulation models and threshold criteria for flood risk assessment before operational decisions are needed. By having the modeling framework and evaluation criteria prepared in advance, the system can quickly assess whether proposed water transfers will cause flooding without performing full complex simulations in real-time, thus maintaining high accuracy while reducing computational time for operational decisions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively manages water flow between lakes, preventing flooding and dam damage while reducing rehabilitation costs by leveraging existing dams and non-water supply lakes, providing a timely and efficient water supply solution.
Implementation Method 1
a plurality of pipes adapted to transfer water between the plurality of non-water supply lakes and one or more water supply lakes
Implementation Method 2
one or more pumps adapted to pump water through a corresponding one or more of the plurality of pipes
Implementation Method 3
The plurality of gates are adapted to adjust an amount of water flow through the plurality of pipes
Data Source
AI summary
A water supply control system is disclosed that comprises a computer-implemented control system coupled to a plurality of gates, one or more pumps, and a plurality of sensors. The computer-implemented control system is configured to receive a request to transfer excess water from a non-water supply lake to a water supply lake and determine, based at least in part on data from the plurality of sensors and geographic locations of the non-water supply lake and the water supply lake, whether transferring water as requested will cause or worsen a flood event. In response to a determination that transferring water as requested will not cause or worsen a flood event, the computer-implemented control system is further configured to issue a command to cause a gate associated with a dam at the non-water supply lake to open such that water is transferred from the non-water supply lake to the water supply lake.