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    Terry Davis Demos SimStructure (2016-08-25)

    TheChristIsKing

    3 HN mentions · mentioned in 3 months, 2018–2022

    YouTube

    22:59 · 763K views · Sep 9, 2018

    Terry Davis, author of TempleOS, demonstrates his SimStructure physics simulator and builds a PID controller using math from Numerical Recipes in C. The description notes PID controllers are used in everything from rockets to espresso machines.

    HN links it with timestamps as an early, hands-on demo of control theory and as a curiosity from Davis's work.

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    3 comments from Hacker News

    1. @esaymSep 2018· in “From Scratch: AI Balancing Act in 50 Lines of Python”

      Not sure why this has to be AI specific.. Terry Davis was doing this 15+ years ago: this video Seems to be more of an issue of knowing calculus and control system patterns.

      CitesView on HN
    2. @sam36Apr 2022· in “Boycott Numerical Recipes (2007)”

      Heh, I haven't seen or read NR but added it to my wishlist after watching Terry Davis mention it [at 8:15] this video Seemed to work well enough for him.

      CitesView on HN
    3. @scrlkOct 2022· in “The Fundamentals of Control Theory”

      I assume it's this video ("Terry Davis Demos SimStructure (2016-08-25)"): this video He starts talking about PID controllers at around 3:40.

      CitesView on HN