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Smart Waste Collection System with Low Consumption LoRaWAN Nodes and Route Optimization
Álvaro Lozano1, Javier Caridad2, Juan Francisco De Paz3
1Faculty of Science, University of Salamanca, Plaza de la Merced s/n, 37002 Salamanca, Spain. loza@usal.es.
This study presents a smart waste management system for rural areas using low-cost sensors and optimized collection routes. The system significantly reduces costs, time, and workforce needs compared to traditional methods.
Area of Science:
- Environmental Science
- Computer Science
- Engineering
Background:
- Smart City and Internet of Things (IoT) advancements offer new waste management solutions.
- Rural waste management requires cost-effective, low-consumption sensor networks adaptable to various applications.
Purpose of the Study:
- To introduce a waste monitoring and management platform for rural environments.
- To develop a low-consumption wireless sensor node for waste container data collection.
- To create an optimized waste collection route system.
Main Methods:
- Developed a low-consumption wireless node using LoRa and SAM L21 microcontrollers to measure waste container weight, volume, and temperature.
- Implemented a platform for data analysis, alert generation, and dynamic route optimization.
- Utilized a mobile application for guiding collection fleets along optimized routes.
- Conducted a case study in Salamanca using open data and regional waste management reports.
Main Results:
- The developed node demonstrated a long operational lifetime and extensive coverage with minimal antenna deployment.
- The route optimization system, utilizing sensor data, achieved significant savings in costs, time, and workforce.
- The system proved efficient and viable for rural waste management implementation.
Conclusions:
- The proposed smart waste management platform is effective for rural environments.
- Low-cost, low-consumption IoT solutions are viable for improving waste collection efficiency and sustainability.
- Dynamic route optimization based on real-time data offers substantial operational benefits.
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