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Bio-Inspired Computing: Self-Healing Structures and Cell Induction

This document explores bio-inspired computing, specifically focusing on self-healing structures using cell induction techniques. It describes a model wherein a large number of unreliable cells work together to create robust systems that can heal and regenerate. The concepts discussed include swarm programming, chemical diffusion among cells, actions during cell division, and interactions based on environmental awareness. These principles draw on nature’s ability to maintain functionality despite damage, providing a foundation for developing resilient computing solutions.

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Bio-Inspired Computing: Self-Healing Structures and Cell Induction

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  1. Self-Healing StructuresUsing Cell Induction Selvin George CS851: Bio-Inspired Computing

  2. Mickey lived a carefree life… CS851: Bio-Inspired Computing

  3. Until one fateful day… Oh Poor Mickey… Write you a better program I must! CS851: Bio-Inspired Computing

  4. Understanding Nature’s System Model • Large number of un-reliable cells • No unique ID, global position etc., • No global communication • Physics and Chemistry • No gravity, simple chemical reactions • Single Program on each cell …Swarm Programming CS851: Bio-Inspired Computing

  5. Understanding Nature’sCell Model • Awareness of Environment • Sense chemicals on cell walls • Cell Actions • Cell Division • State Change • Emit chemicals to neighbors cell walls • Diffuse chemicals over a short range • Simple forces to model cell displacement • Chemicals can nullify each other • (A, 1) + (B, 0.5) -> (A, 0.5) + (salt, 0.5) CS851: Bio-Inspired Computing

  6. Devise a betterProgramming Model • A can induce B by short range diffusion of chemicals • A and C can induce B by emitting chemicals across their cell walls • Induced Cell can perform actions dependent upon the direction of induction B A A B C C C A B C C CS851: Bio-Inspired Computing

  7. A alive < 1 B alive > 0 alive < 1 & A > 1 Example – Sphere Program state A { emits (alive, 1) diffuses (A, 10) transitions (alive < 1) from any direction -> (A, B) in same direction; -> (A); } state B { emits (alive, 1) transitions (alive < 1) from any direction & (A > 1) -> (B, B) in same direction; (alive > 0) from any direction -> (B); -> (A); } CS851: Bio-Inspired Computing

  8. Sphere Development - 1 CS851: Bio-Inspired Computing

  9. Sphere Development - 2 CS851: Bio-Inspired Computing

  10. Sphere Development - 3 CS851: Bio-Inspired Computing

  11. Sphere Development - 4 CS851: Bio-Inspired Computing

  12. Sphere : Damage (66%) CS851: Bio-Inspired Computing

  13. Sphere Healing - 1 CS851: Bio-Inspired Computing

  14. Sphere Healing - 2 CS851: Bio-Inspired Computing

  15. Sphere Healing - 3 CS851: Bio-Inspired Computing

  16. Sphere Healing - 4 CS851: Bio-Inspired Computing

  17. Performance of Sphere Program CS851: Bio-Inspired Computing

  18. Meanwhile … Ahem! How is my program going? CS851: Bio-Inspired Computing

  19. A Quick look Mesh Program state corner { emits (A, 5), (alive, 1) in all directions transitions (alive < 1) from any direction -> (corner, segment) in same direction; -> (corner); } state segment { emits (alive, 1) in all directions transitions (A > 0) from any direction & (alive > 0) from opposite direction -> (segment) emits (A - 1) in all directions; (A > 0) from any direction -> (segment, segment) in opposite direction emits (A - 1) in opposite direction; (A = 0) -> (corner); } CS851: Bio-Inspired Computing

  20. Mesh – Developed CS851: Bio-Inspired Computing

  21. Mesh – Damaged CS851: Bio-Inspired Computing

  22. Mesh – Healed CS851: Bio-Inspired Computing

  23. The Mickey Skeleton CS851: Bio-Inspired Computing

  24. Mickey : Development – 1 CS851: Bio-Inspired Computing

  25. Mickey : Development – 2 CS851: Bio-Inspired Computing

  26. Mickey : Development – 3 CS851: Bio-Inspired Computing

  27. Mickey : Development – 4 CS851: Bio-Inspired Computing

  28. Mickey : Injured CS851: Bio-Inspired Computing

  29. Mickey : Healing – 1 CS851: Bio-Inspired Computing

  30. Mickey : Healing – 2 CS851: Bio-Inspired Computing

  31. Mickey : Healing – 3 CS851: Bio-Inspired Computing

  32. Mickey : Healing – 4 CS851: Bio-Inspired Computing

  33. Applications: Distributed Wireless File Service • File Replication • Node possessing file emits inhibit (shorter-range) and replicate • Node receiving replicate but not inhibit replicate the file • File Request/Response • Node requests a file • Typically one server responds. CS851: Bio-Inspired Computing

  34. Conclusions • Nature’s programs can heal and regenerate lost components • System designers can learn principles of robustness from nature’s programs • Simplify the task of programming robust systems • Cell Based Programming • Cell Induction CS851: Bio-Inspired Computing

  35. All’s well that ends well CS851: Bio-Inspired Computing

  36. Questions and Answers CS851: Bio-Inspired Computing

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