Research

My research explores how distributed systems, data, and thoughtful interfaces can make complex infrastructure easier to understand and operate.

Scientific Papers

First author · 26th Brazilian Congress of Automation (CBA) · 2026

Honorable Mention

Scalable and Interoperable Web SCADA System for Electric Bicycle Sharing Based on the IEC 61850 Standard

A distributed monitoring architecture for shared electric bicycles, combining IEC 61850/MMS interoperability, real-time Web SCADA supervision, Kubernetes autoscaling, and a virtualized testbed validated with up to 1,000 simulated bicycles.

João presenting the MoveUFF bicycles slide at CBA 2026

João speaking to the audience during the CBA 2026 presentation

Close-up of João presenting the paper at CBA 2026

Funding: CNPq Technological Initiation Scholarship (PIBINOVA/UFF), advised by Prof. Yona Lopes

Authors: João L. Marinho*, Giovanna Siqueira**, Nájila Martins**, and Yona Lopes**

Read the paper

Related Projects

Reproducibility study · Python · Genetic Algorithm · CVRPLIB

CVRP Route Optimization

A reproduction and extension of a genetic algorithm for the Capacitated Vehicle Routing Problem, enhanced with Clarke-Wright Savings and 2-opt. The implementation reduced the average gap from 15.45% to 8.25% and outperformed the paper's baseline in 9 of 10 benchmark instances.

View source code