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Related Experiment Video

Updated: Jun 22, 2025

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Energy-water management system based on robust predictive control for open-field cultivation.

Javier Ocaranza1, Doris Sáez2, Linda Daniele3

  • 1Departamento de Ingeniería Eléctrica, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile.

The Science of the Total Environment
|June 27, 2024
PubMed
Summary

A robust predictive control system balances water, energy, and food resources. This sustainable management system optimizes irrigation, maximizes crop growth, and prioritizes renewable energy, ensuring food security and resource availability.

Keywords:
Energy-water management systemFood securityHydrogeological modelingRobust control

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Area of Science:

  • Agricultural Science
  • Environmental Engineering
  • Sustainable Resource Management

Background:

  • Global events threaten food availability, increasing demand on agriculture, water, and energy resources.
  • Increased agricultural activity leads to groundwater over-extraction and greenhouse gas emissions.
  • Balancing water, energy, and food resources is critical for global sustainability.

Purpose of the Study:

  • To design a sustainable energy-water management system using the water-energy-food nexus.
  • To develop a robust predictive control system for optimizing resource allocation.
  • To address global challenges of food security, water availability, and energy access.

Main Methods:

  • Implemented a robust predictive control system for an energy-water management system.
  • Utilized fuzzy prediction intervals to estimate worst-case climate scenarios (solar radiation, temperature, precipitation, etc.).
  • Scheduled irrigation and groundwater extraction based on predicted climate and available solar energy.

Main Results:

  • The robust approach ensured maximum crop development and minimized water consumption.
  • The system successfully avoided groundwater over-extraction.
  • Renewable energy sources were prioritized, minimizing operating costs and environmental impact.

Conclusions:

  • The proposed energy-water management system is sustainable and effective.
  • The water-energy-food nexus approach successfully tackles global resource challenges.
  • This system promotes food security, water availability, and energy access through optimized resource management.