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[WIP] Add core modules for ML, perception, and planning#1

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ansh1113 merged 4 commits into
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copilot/add-core-ml-modules
Dec 13, 2025
Merged

[WIP] Add core modules for ML, perception, and planning#1
ansh1113 merged 4 commits into
mainfrom
copilot/add-core-ml-modules

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Copilot AI commented Dec 13, 2025

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Comprehensive Humanoid Motion Planning Implementation Plan

Phase 1: Core Implementation (Priority)

  • Basic project structure exists
  • Complete Stability Analysis module with CoM tracking
  • Enhanced Motion Planning Module with Drake optimization
  • Full ZMP Constraint System implementation with mathematical formulation
  • Enhanced Support Polygon Calculator with advanced features
  • Complete Kinematics Solvers (Forward/Inverse)
  • Advanced Trajectory Optimizer with multi-objective optimization
  • Center of Mass (CoM) tracking and computation

Phase 2: ML/Perception Components

  • Object Detection Interface for reaching tasks
  • Environment State Estimation module
  • Workspace Analysis and reachability computation
  • Goal Prediction module
  • Perception utilities and camera integration

Phase 3: Configuration & Integration

  • Enhanced YAML config files with all parameters
  • Robot model configurations
  • Perception configuration file
  • Example robot URDF files or references
  • ROS2 Launch files (optional module)
  • Drake integration examples

Phase 4: Testing & Documentation

  • Unit tests for stability analysis module
  • Unit tests for perception module
  • Integration tests for end-to-end scenarios
  • Performance benchmarks
  • Test data and fixtures
  • Algorithm documentation
  • API reference documentation
  • Example notebooks and tutorials

Phase 5: Professional Infrastructure

  • GitHub Actions CI/CD pipeline
  • Docker support with Dockerfile and docker-compose
  • Pre-commit hooks for code quality
  • Contributing guidelines
  • Code of conduct
  • Issue and PR templates
  • Documentation generation setup

Phase 6: Examples & Demos

  • Complete end-to-end demo script
  • Additional working demo scripts
  • Jupyter notebooks for tutorials
  • Visualization tools
  • Example data and results
Original prompt

first let's add all the actual working code for the ML/perception/planning. i don't have it. think about the entire project and help me add all these actual main files to my project first and then we can create the comprehensive PR. Create a comprehensive PR with all the core modules, proper implementations, tests, and configurations. Phase 1: Core Implementation (Priority)
Motion Planning Module with Drake optimization
ZMP Constraint System - Mathematical formulation & enforcement
Support Polygon Calculator - Convex hull computation
Kinematics Solvers - Forward/Inverse kinematics
Stability Analysis - ZMP calculation & verification
Trajectory Optimizer - Multi-objective optimization
Phase 2: Configuration & Integration
Config files - YAML parameter files
Robot models - URDF/meshes or links to existing models
ROS2 Launch files (if using ROS2)
MoveIt interface (if using MoveIt)
Phase 3: Testing & Documentation
Unit tests - For all core modules
Integration tests - End-to-end scenarios
Documentation - Algorithm details, API reference
Examples - Working demo scripts
Phase 4: Professional Touches
CI/CD - GitHub Actions for automated testing
Docker support - Containerized environment
Contributing guidelines
Code of conduct For maximum industry value and practicality, I'll implement:

Core Python + Drake (Pure implementation)

✅ Works standalone without ROS2
✅ Easier for others to clone and run
✅ Better for ML/research applications
✅ Cross-platform (Windows/Mac/Linux)
Optional ROS2 Integration (Separate module)

✅ Industry robotics standard
✅ Real robot deployment ready
✅ Can be disabled if not needed
This gives you maximum flexibility - people can use it as a Python library OR as a full ROS2 package. create a complete, production-ready implementation with:

Core Modules (2000+ lines)
Motion planning with Drake's trajectory optimization
ZMP constraint formulation & enforcement
Support polygon computation (convex hull)
Forward/Inverse kinematics solvers
Stability analysis & verification
Trajectory optimization with multiple objectives
ML/Perception Components
Object detection interface (for reaching tasks)
Environment state estimation
Workspace analysis
Goal prediction module
Configuration System
Complete YAML configs
Robot parameters
Planning parameters
Example configurations
Testing Suite
Unit tests for all modules
Integration tests
Performance benchmarks
Example test data
Professional Infrastructure
CI/CD with GitHub Actions
Docker support
Pre-commit hooks
Documentation generation
Examples & Demos
Working demo scripts
Jupyter notebooks
Visualization tools


✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

Copilot AI and others added 3 commits December 13, 2025 17:24
…nner, and configs

Co-authored-by: ansh1113 <200216682+ansh1113@users.noreply.github.com>
Co-authored-by: ansh1113 <200216682+ansh1113@users.noreply.github.com>
Co-authored-by: ansh1113 <200216682+ansh1113@users.noreply.github.com>
@ansh1113

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@copilot fix and error and add all the missing files from all the phases

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Pull request overview

This WIP pull request adds comprehensive core modules for ML/perception/planning capabilities to the humanoid motion planning system. The PR introduces substantial new functionality including stability analysis, object detection, workspace analysis, goal prediction, and enhanced motion planning with Drake integration.

Key Changes:

  • Complete stability analysis module with CoM tracking, ZMP calculation, and dynamic stability metrics
  • Perception module with object detection interfaces, environment state management, and workspace analysis
  • Enhanced motion planner with Drake optimization framework integration and ZMP constraints
  • Comprehensive test suites covering unit tests, integration tests, and performance benchmarks
  • Production infrastructure including Docker support, CI/CD pipeline, and pre-commit hooks
  • Complete configuration system with YAML files for robot and perception parameters
  • End-to-end demo showcasing the full pipeline from perception to trajectory execution

Reviewed changes

Copilot reviewed 15 out of 16 changed files in this pull request and generated 23 comments.

Show a summary per file
File Description
src/humanoid_planner/stability_analysis.py New module implementing stability analysis with CoM computation, ZMP verification, capture point calculation, and trajectory stability checking
src/humanoid_planner/perception.py New module providing object detection interfaces, environment state estimation, workspace analysis, and goal prediction for reaching tasks
src/humanoid_planner/motion_planner.py Enhanced with Drake optimization, ZMP constraint integration, IK solving, trajectory metrics computation, and execution capabilities
src/humanoid_planner/__init__.py Updated exports to include new stability analysis and perception modules
tests/test_stability_analysis.py Comprehensive unit tests for stability analyzer and CoM tracker with 13 test cases
tests/test_perception.py Unit tests covering object detection, environment state, workspace analysis, and goal prediction with 15 test cases
tests/test_integration.py Integration tests for end-to-end scenarios, multi-module integration, and performance benchmarks
config/robot_config.yaml Complete robot configuration defining joint limits, mass properties, dimensions, and model paths
config/perception_config.yaml Perception system configuration including camera settings, detection parameters, and visualization options
examples/complete_demo.py End-to-end demo script demonstrating the full pipeline from environment setup to visualization
docker-compose.yml Docker compose configuration with services for development, Jupyter, and main application
Dockerfile Container definition with all dependencies and development tools
.github/workflows/ci.yml CI/CD pipeline with testing, building, Docker image creation, and documentation generation
.pre-commit-config.yaml Code quality hooks including Black, flake8, isort, mypy, and pydocstyle
CONTRIBUTING.md Comprehensive contribution guidelines with setup instructions, style guide, and PR process
requirements.txt Updated with dataclasses backport dependency

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result = minimize(cost, q_init, method='SLSQP', bounds=bounds)

if result.success and cost(result.x) < 0.01: # 10cm tolerance

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The comment states "10cm tolerance" but the actual threshold used is 0.01, which would be 1cm squared (since it's comparing squared distances). Either the comment should be corrected to "1cm tolerance" or the threshold should be changed to 0.01 (100 square cm, which would be 10cm).

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Comment on lines +212 to +213
x = np.sum(link_lengths[:len(q)] * np.cos(q[:len(link_lengths)]))
y = np.sum(link_lengths[:len(q)] * np.sin(q[:len(link_lengths)]))

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Potential array indexing bug: The slicing q[:len(link_lengths)] inside np.cos() and np.sin() on lines 212-213 could be problematic when len(q) > len(link_lengths). If q has more elements than link_lengths, this will only use the first len(link_lengths) elements of q, but then tries to sum link_lengths (which is shorter) element-wise. This should be: link_lengths * np.cos(q[:len(link_lengths)]) to ensure proper broadcasting.

Suggested change
x = np.sum(link_lengths[:len(q)] * np.cos(q[:len(link_lengths)]))
y = np.sum(link_lengths[:len(q)] * np.sin(q[:len(link_lengths)]))
x = np.sum(link_lengths * np.cos(q[:len(link_lengths)]))
y = np.sum(link_lengths * np.sin(q[:len(link_lengths)]))

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Comment thread docker-compose.yml
- ./data:/app/data
- ./results:/app/results
ports:
- "8888:8888"

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The docker-compose.yml file defines two services ('humanoid-planner' and 'jupyter') that both expose port 8888, which will cause a port conflict when both services are started simultaneously. Either use different ports for each service or ensure only one is running at a time by using profiles or separate compose files.

Suggested change
- "8888:8888"
- "8889:8888"

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if approach_direction is None:
approach_direction = np.array([0, 0, -1])

approach_direction = approach_direction / np.linalg.norm(approach_direction)

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Potential division by zero: If the approach_direction passed in has zero norm (or is very close to zero), the normalization on line 476 will fail or produce invalid results. Consider adding a check to handle this edge case, perhaps by falling back to a default direction or raising a descriptive error.

Suggested change
approach_direction = approach_direction / np.linalg.norm(approach_direction)
norm = np.linalg.norm(approach_direction)
if norm < 1e-8:
# Fallback to default direction if zero or near-zero vector is provided
approach_direction = np.array([0, 0, -1])
norm = np.linalg.norm(approach_direction)
approach_direction = approach_direction / norm

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Comment on lines +432 to +444
for radius in range(max_search_radius):
# Check all cells at this radius
for dx in range(-radius, radius + 1):
for dy in range(-radius, radius + 1):
for dz in range(-radius, radius + 1):
if abs(dx) == radius or abs(dy) == radius or abs(dz) == radius:
idx = grid_idx + np.array([dx, dy, dz])

if (idx >= 0).all() and (idx < self.reachability_map.shape).all():
if self.reachability_map[tuple(idx)] >= threshold:
# Convert back to world coordinates
pos = min_bounds + idx * self.resolution
return pos

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The find_nearest_reachable_position method uses a brute-force O(n³) search over a cube that could be inefficient for large search spaces. Consider using a more efficient spatial search algorithm like scipy's KDTree or implementing a smarter search pattern (e.g., breadth-first search from the target point).

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Comment thread tests/test_integration.py

start_time = time.time()

q_solution = ik.solve_ik(target_pos, q_init=q_init, max_iter=100)

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Variable q_solution is not used.

Suggested change
q_solution = ik.solve_ik(target_pos, q_init=q_init, max_iter=100)
ik.solve_ik(target_pos, q_init=q_init, max_iter=100)

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Comment thread examples/complete_demo.py
Comment on lines +17 to +24
ObjectDetector, EnvironmentState, GoalPredictor,
WorkspaceAnalyzer, ObjectType,
TrajectoryOptimizer, ZMPConstraint,
SupportPolygonCalculator, StabilityAnalyzer,
ForwardKinematics
)


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Import of 'EnvironmentState' is not used.
Import of 'WorkspaceAnalyzer' is not used.
Import of 'ForwardKinematics' is not used.

Suggested change
ObjectDetector, EnvironmentState, GoalPredictor,
WorkspaceAnalyzer, ObjectType,
TrajectoryOptimizer, ZMPConstraint,
SupportPolygonCalculator, StabilityAnalyzer,
ForwardKinematics
)
ObjectDetector, GoalPredictor,
ObjectType,
TrajectoryOptimizer, ZMPConstraint,
SupportPolygonCalculator, StabilityAnalyzer,
)

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"""

import numpy as np
from typing import List, Tuple, Optional, Dict

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Import of 'Dict' is not used.

Suggested change
from typing import List, Tuple, Optional, Dict
from typing import List, Tuple, Optional

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import numpy as np
from typing import Tuple, Optional, List
from .zmp_constraint import ZMPConstraint
from .support_polygon import SupportPolygonCalculator

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Import of 'SupportPolygonCalculator' is not used.

Suggested change
from .support_polygon import SupportPolygonCalculator

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self.plant.SetPositions(self.plant_context, q)
com = self.plant.CalcCenterOfMassPosition(self.plant_context)
return com
except:

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Except block directly handles BaseException.

Suggested change
except:
except Exception:

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@ansh1113 ansh1113 deleted the copilot/add-core-ml-modules branch January 2, 2026 23:13
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3 participants