Machines that Learn Through Action: The Future of AI • Julie Pitt • YOW! 2017

Ai

Explore active inference as a framework for autonomous AI that learns through action, moving beyond traditional reinforcement learning to handle real-world complexity and uncertainty.

Key takeaways
  • Active inference is proposed as a new framework for developing autonomous AI agents that can operate effectively in real-world environments, moving beyond traditional reinforcement learning approaches

  • Key challenges for robot/AI agents include:

    • Ability to generalize across different situations
    • Risk sensitivity and damage avoidance
    • Balancing exploration vs exploitation
    • Handling uncertainty and recovering from unexpected situations
    • Operating with imperfect sensors and noisy data
  • Traditional reinforcement learning has limitations:

    • Requires many training examples
    • Relies on manually designed reward functions
    • Poor generalization to new environments
    • Lacks purposeful exploration
    • Slow convergence in real-world scenarios
  • The free energy principle suggests agents should:

    • Minimize prediction error
    • Maintain a small set of preferred states
    • Balance accuracy vs complexity in their models
    • Naturally explore to reduce uncertainty
    • Have intrinsic rather than external rewards
  • Benefits of active inference framework:

    • Emergent intelligent behaviors
    • Natural balance of exploration and exploitation
    • Built-in risk sensitivity
    • Parallel processing of multiple goals
    • Better handling of uncertainty
    • More biologically plausible learning approach
  • Moving from “Software 2.0” to “Software 3.0” requires:

    • New paradigms beyond deep learning
    • Focus on experience rather than just datasets
    • Better handling of real-world complexity
    • More efficient learning approaches
    • Integration of domain expertise