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kzorina

PROFILE

Kzorina

Ekaterina Zorina developed robust starting state initialization and advanced trajectory control features for the agimus-project/agimus_controller repository, focusing on both hardware and simulation environments. She implemented dynamic q0 configuration, enhanced model predictive control tuning, and improved data handling by publishing velocity and acceleration alongside position. Using C++, Python, and ROS 2, she strengthened reliability through quality-of-service improvements, dependency management, and parameter cleanup. In addition, she stabilized the OCP solver’s horizon management, refining warm-start generation and synchronizing test configurations to ensure full coverage. Her work addressed startup fragility, improved control loop stability, and increased test reliability, demonstrating strong depth in robotics software engineering.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

20Total
Bugs
0
Commits
20
Features
5
Lines of code
1,343
Activity Months2

Work History

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025 — Stabilized the horizon management for the OCP solver in agimus_controller. Implemented horizon size consistency and refined warm-start generation, updated loop ranges and array indexing to ensure all horizon time steps are processed, and synchronized test configuration (dt_factor_n_seq) with horizon_size to maintain full coverage. Commits underpinning the work include 50284e31d2e838866f4ac7b43dea6097797ff0f5 and 37d7be358ceea6223e76993085bb832ece503516. This work enhances reliability of the OCP solver, reduces horizon-related edge cases, and strengthens the overall test suite.

January 2025

18 Commits • 4 Features

Jan 1, 2025

January 2025: Delivered robust and dynamic starting state initialization (q0) for both hardware and simulation in agimus_controller, including independent default q0 arrays and updates to the trajectory publisher to support hardware- and simulation-based initialization. Advanced trajectory control with MPC tuning, refined warm-start sizing, improved buffering, and expanded publishing to include velocity and acceleration, along with enhanced data handling. Implemented OCP debugging and monitoring to increase stability and developer visibility by exposing solve times and initial state, and adjusting trajectory weighting. Strengthened reliability and configuration management through QoS enhancements, dependency restoration, and cleanup of deprecated parameter files, leading to more stable tests and easier maintenance. Overall impact: reduced startup fragility, improved control loop stability, and greater observability, enabling safer hardware tests and more repeatable simulations.

Activity

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Quality Metrics

Correctness80.0%
Maintainability79.2%
Architecture74.0%
Performance66.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++PythonYAML

Technical Skills

ConfigurationControl SystemsData ConversionData ProcessingData StructuresDependency ManagementEmbedded SystemsNumerical ComputationOptimizationParameter ManagementPinocchioPythonROSROS 2Refactoring

Repositories Contributed To

1 repo

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

agimus-project/agimus_controller

Jan 2025 Feb 2025
2 Months active

Languages Used

C++PythonYAML

Technical Skills

Control SystemsData ConversionData ProcessingData StructuresDependency ManagementEmbedded Systems

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