Mini Project Category

Machine Learning

NN-Racer

Completed

Neural network evolution using genetic algorithms for autonomous racing behavior.

Date
2024-05
Duration
2 months
Team
solo
Difficulty
hard

Project Story

NN-Racer is an experiment in evolutionary learning where neural networks control racing agents and improve over generations.

NN-Racer simulation
Neural-network-driven cars evolving racing behavior

The project shows how mutation and selection can discover performant control policies without classic backpropagation loops.

Technical Details

Tech Stack

PythonTensorFlowGenetic AlgorithmsNeural NetworksSimulation

Key Features

Evolutionary training loop
Fitness-based selection
Autonomous behavior discovery
Generation-by-generation visualization
Multi-objective optimization

Challenges Faced

High compute cost for many generations
Hyperparameter sensitivity
Local optima traps
Exploration versus exploitation balance

Key Learnings

Fitness design controls learning direction
Evolution discovers unexpected strategies
Architecture choice changes convergence dynamics
Long-running experiments need strong observability

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