Connected definitions
Humanoid robotics glossary
Short, sourced explanations joined to live tables from the humanoidversus dataset. Definitions clarify the limits of fields instead of smoothing over incompatible conventions.
Robot actuator
Actuator
The component that turns electric, hydraulic or pneumatic energy into force or motion; in humanoids it drives each joint.
Read definition and live data →DoF
Degrees of freedom (DoF)
The number of independent motions a robot's joints allow; humanoid DoF totals are common specs, but they depend on what is counted.
Read definition and live data →Physical AI · Embodied artificial intelligence
Embodied AI
AI systems that sense, decide and act through a physical body; this site treats 'physical AI' as an alias of this term.
Read definition and live data →VLA · VLA model · Vision-language-action model
Vision-language-action (VLA) model
A robot model that takes camera images and language instructions and outputs robot actions, rather than only text.
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