Dynamical stability and mechanical impedance are optimized when manipulating uncertain dynamically complex objects.

ABSTRACT: Manipulating complex objects is ubiquitous in our daily activities, such as donning a jacket or carrying a cup of coffee. However, such non-rigid objects easily become unstable: When carrying a cup of coffee, the coffee could slosh unpredictably and spill out of the cup. It remains unclear what motor control strategies ensure stability, especially when the physical properties of the object, like the amount of liquid in the cup, are unknown. The task of transporting a 'cup of coffee' was simplified to transporting a virtual cup with a sliding ball inside, modeled as a cart-pendulum system. Participants were instructed to 'jiggle' the cup in one dimension to prepare the cup and ball states for the ensuing continuous rhythmic movement. To introduce uncertainty regarding the object's propertie

SUBMITTER: Lokesh R 

PROVIDER: S-EPMC12704904 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature