English edit

Etymology edit

under- +‎ actuation

Noun edit

underactuation

  1. Insufficient actuation
    • 2016, Prasanna S. Gandhi, Pablo Borja, Romeo Ortega, “Energy Shaping Control of an Inverted Flexible Pendulum Fixed to a Cart”, in arXiv[1]:
      The control problem in these systems is challenging, especially with gravity coupling and large deformations, because of inherent underactuation and the combination of lumped and distributed parameters of a nonlinear system.