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Roger de Mello Koch

PROFILE

Roger De Mello Koch

Rafael de Mello Koch contributed to the RISDxNASA-SUITS/SUITS-25 repository by developing autonomous navigation and backend systems for a rover platform. He implemented RRT and A* pathfinding algorithms in Python and JavaScript, enabling robust obstacle detection and path validation. Rafael refactored navigation modules, introduced a Scanner class for environmental mapping, and built a Flask API to control navigation and scanning agents. He improved backend data protocols for better interoperability and added Windows build support for the Telemetry and Simulation Server. His work emphasized maintainability, cross-platform deployment, and reliable real-time operation, demonstrating depth in robotics, backend development, and system integration.

Overall Statistics

Feature vs Bugs

63%Features

Repository Contributions

15Total
Bugs
3
Commits
15
Features
5
Lines of code
707,235
Activity Months3

Work History

May 2025

8 Commits • 3 Features

May 1, 2025

May 2025 monthly summary for RISDxNASA-SUITS/SUITS-25: Delivered major rover autonomy and backend improvements, extended cross-platform deployment, and improved UI stability. Key features include Navigator refactor with Scanner for environmental mapping and a Flask API to command navigation and scanning; backend protocol overhaul with metadata-forward data unpacking and expanded scan endpoints; Windows build support for Telemetry and Simulation Server; and a frontend breadcrumb stability fix to eliminate rendering warnings. These changes enhance autonomous navigation reliability, data interoperability, and deployment velocity, while reducing UI noise and enabling Windows-based workflows.

April 2025

1 Commits

Apr 1, 2025

April 2025 monthly summary focused on codebase hygiene and deprecation of the Rover Driving System in RISDxNASA-SUITS/SUITS-25. No new user-facing features were delivered this month. Key cleanup included removing the driving.py module housing autonomous rover navigation logic, deprecating the driving functionality, and standardizing navigation module naming by renaming Nevigator.py to Navigator.py. Changes improve maintainability, reduce technical debt, and simplify future integration of rover autonomy. Commit documentation is available for traceability (see the removal commit 3001e7cf45faa461df0068ebb5ac9cbbbe9a261a).

March 2025

6 Commits • 2 Features

Mar 1, 2025

March 2025 performance summary for RISDxNASA-SUITS/SUITS-25: Delivered foundational autonomous navigation capabilities and stabilized the codebase, setting the stage for robust, scalable mission planning. Implemented RRT-based path planning groundwork with enhanced GraphSampler for obstacle detection, path validation, and nearest-node search, along with a configurable path width to better model environmental constraints. Introduced an autonomous rover driving framework with an A*-based rover agent and a driving module skeleton, integrating sampling and driving components to plan and execute movements. Reverted unintended library changes to restore a clean baseline, mitigating risk to downstream builds. These efforts improve planning accuracy, execution reliability, and maintainability, enabling faster iteration on autonomy features.

Activity

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Quality Metrics

Correctness78.0%
Maintainability78.6%
Architecture74.6%
Performance74.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CJSONJavaScriptPythonTypeScript

Technical Skills

API DevelopmentAPI IntegrationAlgorithm ImplementationAutonomous NavigationBackend DevelopmentC ProgrammingCode ReversionControl SystemsCross-Platform DevelopmentData SerializationData StructuresFlaskFront End DevelopmentFrontend DevelopmentJavaScript

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

RISDxNASA-SUITS/SUITS-25

Mar 2025 May 2025
3 Months active

Languages Used

JavaScriptPythonCJSONTypeScript

Technical Skills

Algorithm ImplementationAutonomous NavigationBackend DevelopmentCode ReversionData StructuresJavaScript

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