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j411wong

PROFILE

J411wong

Developed advanced sensor-driven balance and control systems for the KoalbyMQP/RaspberryPi-Code_24-25 repository, focusing on real-world and simulated robotics. Over four months, delivered multi-IMU integration, pressure and force sensor orchestration, and center-of-pressure based balance estimation using Python and C++. Enhanced the codebase with a URDF-based kinematic model, modularized backend organization, and introduced reinforcement learning for balance via PyTorch and PPO. Implemented robust data acquisition pipelines, PID-tuned control logic, and dynamic balance testing, while maintaining simulation compatibility. The work emphasized hardware-software integration, sensor fusion, and maintainable code structure, supporting both experimental development and reliable deployment in robotics applications.

Overall Statistics

Feature vs Bugs

92%Features

Repository Contributions

23Total
Bugs
1
Commits
23
Features
11
Lines of code
8,814
Activity Months4

Work History

March 2025

3 Commits • 3 Features

Mar 1, 2025

March 2025: Delivered end-to-end sensor-based balance capabilities on KoalbyMQP/RaspberryPi-Code_24-25, covering MCC DAQ pressure sensor interface, pressure-sensor driven balance control with trajectory planning, and PPO-based RL for balance using fused IMU data. Enhanced hardware interfacing, sensor fusion, control, and learning components; included testing scripts; prepared platform for simulation-to-deployment. No major bugs reported this period.

February 2025

3 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary for KoalbyMQP/RaspberryPi-Code_24-25 highlighting feature delivery, codebase improvements, and impact on project velocity and reliability.

November 2024

12 Commits • 4 Features

Nov 1, 2024

November 2024 monthly performance summary for KoalbyMQP/RaspberryPi-Code_24-25 focusing on balance control and simulation readiness. Delivered significant improvements to center-of-pressure (CoP) based balance estimation, fused IMU data processing, and PID-tuned balancing, accompanied by new dynamic balance tests and essential bug fixes. Updated simulation environments to ensure compatibility with balance tests, enabling faster validation of dynamic motions and stability under real-time conditions.

October 2024

5 Commits • 2 Features

Oct 1, 2024

October 2024 performance summary for KoalbyMQP/RaspberryPi-Code_24-25. Delivered multi-IMU support with an IMUManager to orchestrate data from multiple IMUs in Koalby_T within CoppeliaSim, and integrated pressure/force sensors across real hardware and simulation with a shift to CoP-based balancing groundwork. Updated Robot to consume IMUManager and sensor data, and renamed VelBalance to IMUBalance with parameter refinements to support per-sensor pressure calculations.

Activity

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Quality Metrics

Correctness79.6%
Maintainability80.0%
Architecture75.2%
Performance69.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CoppeliaSimC++JSONPythonURDFXML

Technical Skills

CoppeliaSimBackend DevelopmentC++Code CleanupCode OrganizationConfiguration ManagementControl SystemsCoppeliaSimData AcquisitionData ProcessingEmbedded SystemsFile ManagementHardware IntegrationIMU IntegrationPID Control

Repositories Contributed To

1 repo

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

KoalbyMQP/RaspberryPi-Code_24-25

Oct 2024 Mar 2025
4 Months active

Languages Used

CoppeliaSimPythonC++JSONURDFXML

Technical Skills

CoppeliaSimBackend DevelopmentControl SystemsCoppeliaSimData ProcessingEmbedded Systems