Cited on HN 3 times, 2014–2023, never outright recommendedscore 0
Years with an HN recommendation, 2007–2026
Cited as a harder real-world version of the pole-balancing problem and as proof that chaotic systems can be controlled.
A TU Vienna demo of a double inverted pendulum on a cart, using constrained feedforward and optimal feedback control for swing-up and point-to-point motion.
“Triple!!! inverted pendulum balancing with a physical cart (2011), a much much much harder task” (HN, 2016)
Cool. Feature request: mount the pivot on a programmable cart. It'd be fun to write software to balance the double pendulum. e.g. [this video] and, balancing a triple pendulum: [link]
Two-pole balancing (2009): [link] Double inverted pendulum balancing (2015), a much harder task: [link] Double inverted pendulum balancing with a physical cart (2011), a much much harder task: [this video] Triple!!! inverted pendulum balancing with a physical cart (2011), a much much much harder task: [link]
Physical double inverted pendulum on a cart, a harder task
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