A skeptical, engineering-grounded look at the 2026 humanoid-robot wave: Figure, Tesla Optimus, Unitree, 1X, Boston Dynamics Atlas, and Agility Digit. What is genuinely autonomous versus teleoperated or cherry-picked, the hard problems still unsolved in locomotion, manipulation, actuators, batteries, and VLA models, and an honest commercialization timeline.
Actuators
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Humanoid Robots in 2026 Honestly -
Stepper vs Servo vs BLDC Stepper, servo, and BLDC motors look similar from the outside and behave very differently in a real project. We walk what each one actually is at the rotor level, the torque curves that decide where each wins, open-loop versus closed-loop control, field-oriented control on a BLDC, and a clear decision framework for choosing the right motor class for the job.