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Griswald Brooks

PROFILE

Griswald Brooks

Worked extensively on the PickNikRobotics/moveit_pro_example_ws repository, delivering advanced robotics simulation and automation features over 14 months. Developed and refined behavior trees, motion planning, and machine learning-driven perception pipelines using C++, Python, and ROS2. Enhanced simulation fidelity with MuJoCo and URDF integration, improved navigation and manipulation reliability, and implemented robust configuration management with XML and YAML. Addressed critical bugs in CI, collision detection, and state management, while introducing user-facing features such as ML-based grasping and AprilTag detection. Prioritized code quality, test automation, and documentation, resulting in safer, more reliable robotic workflows and streamlined development cycles for complex automation tasks.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

62Total
Bugs
10
Commits
62
Features
24
Lines of code
1,428,752
Activity Months14

Your Network

39 people

Shared Repositories

39

Work History

May 2026

9 Commits • 1 Features

May 1, 2026

May 2026 monthly summary for PickNikRobotics/moveit_pro_example_ws: Key features delivered include the MoveIt Pro simulation configuration for AprilTag detection with behavior trees and data analysis scripts to detect and interact with AprilTags. Major bugs fixed include the VisualizePose port naming/input corrections in MPC pose tracking objectives (preventing CI failures), factory_sim improvements to bracket spawn positions and tool-handling collisions (with explicit includes and collider-tolerance fixes), and a reset action fix to clear the correct vector to avoid accumulating stale point clouds. Documentation updates were also completed to correct descriptions for text-prompt subtrees and the 3 Waypoints Pick and Place objective. Overall impact includes increased CI stability, more realistic and reliable MoveIt Pro simulations, and clearer, more accurate documentation. Technologies and skills demonstrated include CI debugging and fix delivery, MoveIt Pro and simulation tuning (MuJoCo-based adjustments), behavior trees and data-analysis scripting for perception tasks, and cross-functional documentation improvements.

April 2026

3 Commits • 2 Features

Apr 1, 2026

April 2026 performance summary for MoveIt Pro Stack (repo: PickNikRobotics/moveit_pro_example_ws). Delivered key autonomous navigation and perception enhancements, focusing on business value (safety, reliability, throughput) in dynamic environments. The work supports safer operation of UR5e/Ridgeback configurations and improved pill-handling workflow efficiency.

March 2026

4 Commits • 3 Features

Mar 1, 2026

March 2026 monthly summary for repository PickNikRobotics/moveit_pro_example_ws. This period delivered targeted enhancements to improve resource usage, simulation fidelity, and trajectory reliability, with emphasis on practical business value for robot operations in simulation and demonstration environments.

February 2026

2 Commits • 2 Features

Feb 1, 2026

February 2026 monthly summary for PickNikRobotics/moveit_pro_example_ws: Delivered two key features enhancing simulation fidelity and ML-driven perception. Ridgeback robot simulation now supports an IMU, enabling orientation and motion sensing. Implemented behavior trees for ML-based bottle identification and segmentation using SAM3 ONNX models, with XML configurations to support multiple objectives. No major bugs fixed this month; ongoing stability improvements and code hygiene observed through PR workflows (e.g., PR #499 merge).

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 performance summary for PickNikRobotics/moveit_pro_example_ws. Delivered Automask Image Processing from Multiple Sources with new behavior trees for automasking across camera and file inputs, including image processing and visualization of masks. Integrated ML-based image processing to boost perception capabilities and align with goals for robust multi-source perception.

October 2025

4 Commits • 1 Features

Oct 1, 2025

Month 2025-10 Performance Summary – PickNikRobotics/moveit_pro_example_ws Key features delivered: - Robotic task execution robustness and planning enhancements for the Move Flasks to Burners objective. Improvements include more robust waypoint handling to prevent collisions with the table and updated behavior trees for grasping and trajectory execution, driving higher reliability of end-to-end automation. - Related commits: 93942311bbb1825e1c0c37018d07dd13c5ab6507; 9e8564fa4eca2c7f40bbe2588110c188b66b38b0; df908e63fe906eea4158b241ec076d04d8fc9d84 Major bugs fixed: - Pre-commit hook fixes and workflow reliability to ensure code quality checks run consistently before commits, reducing flaky CI and preventing quality regressions. - Related commit: 26e509a742788ec655774b2eb14e80da1feb7ef4 Overall impact and accomplishments: - Increased safety, reliability, and predictability of robotic task execution (Move Flasks to Burners), enabling more consistent performance in automated workflows and reducing operational risk. - Streamlined development workflow with stabilized pre-commit checks and CI processes for faster, safer iteration cycles. Technologies/skills demonstrated: - MoveIt/ROS planning and behavior trees for robotics automation - Robotic waypoint planning and collision avoidance - Quality gates and CI workflow automation via pre-commit and repository configuration Business value: - More reliable task execution reduces downtime and manual intervention, accelerating deployment of automated workflows and improving throughput for end-to-end processes.

September 2025

4 Commits • 2 Features

Sep 1, 2025

September 2025 performance summary for PickNikRobotics/moveit_pro_example_ws: Delivered two core capabilities to improve reliability and planning accuracy for manipulation tasks. ICP-driven stacking with a behavior-tree pipeline now aligns point clouds robustly for block stacking, supported by test coverage to prevent regressions. Grasp pose initialization and visualization improvements refine initial CAD pose and provide grasp pose visualization to boost grasp planning accuracy in simulation. These work items reduce manual intervention, accelerate development cycles, and increase automation reliability in perception-to-action pipelines.

August 2025

13 Commits • 2 Features

Aug 1, 2025

Monthly summary for 2025-08 for the MoveIt Pro Example workspace. Focused on delivering user-facing tutorials and factory simulation capabilities, stabilizing the simulation environment, and reinforcing code quality and integration across components.

July 2025

11 Commits • 3 Features

Jul 1, 2025

For 2025-07, focused on strengthening ML-driven capabilities and CI reliability in the moveit_pro_example_ws project. Delivered concrete features for safer ML Auto Grasp workflows, tightened CI/test coverage, and stabilized integration testing, with aligned dependencies to support upcoming work streams.

June 2025

3 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for PickNikRobotics/moveit_pro_example_ws focused on delivering user-facing ML-driven grasping, establishing a foundation for cloud-based motion planning, and correcting critical state management bugs. Key business value include faster grasp planning, modular cloud capabilities, and increased reliability in pick-and-place workflows.

May 2025

4 Commits • 2 Features

May 1, 2025

Concise monthly summary for 2025-05 focused on delivering robust simulation features, improving modularity, and refining configuration parameters to enhance manipulation tasks in the MoveIt Pro example workspace. Emphasis on business value: reduced debugging time, more predictable planning in simulation, and cleaner APIs for easier maintenance.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 performance summary for the MoveIt Pro example workspace (PickNikRobotics/moveit_pro_example_ws). Focus this month was on strengthening obstacle avoidance by tuning the navigation costmap inflation parameters for both local and global costmaps. The adjustments increased safety margins while preserving responsiveness, aligning with our reliability and safety goals for dynamic environments.

March 2025

2 Commits • 1 Features

Mar 1, 2025

Concise monthly summary for 2025-03 focusing on business value and technical achievements. Delivered features and fixes in the moveit_pro_example_ws project to improve automation, navigation reliability, and simulation fidelity. Key outcomes include integrating auto grasp objective support with L2G behavior in lab simulations, expanding the L2G model suite and associated object poses and manipulation waypoints, and tuning simulation costmaps to reflect real-world robot dimensions for safer navigation. These changes reduce manual intervention, enable faster iteration in simulated environments, and improve alignment between simulation and physical robot behavior.

February 2025

1 Commits • 1 Features

Feb 1, 2025

Concise monthly summary for 2025-02 focusing on the PickNikRobotics/moveit_pro_example_ws repository. Highlights include the delivery of a configurable tuning mechanism for grasp operations via a YAML file, with tied commits and clear value for precise manipulation tasks.

Activity

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Quality Metrics

Correctness85.6%
Maintainability86.2%
Architecture82.6%
Performance81.6%
AI Usage31.2%

Skills & Technologies

Programming Languages

C++CMakeONNXPythonShellURDFXMLYAML

Technical Skills

3D modelingAI integrationBehavior Tree DesignBehavior TreesBug FixBuild System ConfigurationBuild SystemsC++C++ DevelopmentCollision DetectionConfigurationConfiguration ManagementData visualizationDevOpsGit

Repositories Contributed To

1 repo

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

PickNikRobotics/moveit_pro_example_ws

Feb 2025 May 2026
14 Months active

Languages Used

YAMLONNXC++XMLCMakePythonShellURDF

Technical Skills

Configuration ManagementRoboticsBehavior TreesNavigationSimulationNavigation Stack