A human-like learning control for digital human models in a physics-based virtual environment
Giovanni De Magistris, Alain Micaelli, Paul Evrard, Jonathan Savin
In The Visual Computer, 31(4), April 2015.
Abstract: This paper presents a new learning control framework for digital human models in a physics-based virtual environment. The novelty of our controller is that it combines multi-objective control based on human properties (combined feedforward and feedback controller) with a learning technique based on human learning properties (human-being’s ability to learn novel task dynamics through the minimization of instability, error and effort). This controller performs multiple tasks simultaneously (balance, non-sliding contacts, manipulation) in real time and adapts feedforward force as well as impedance to counter environmental disturbances. It is very useful to deal with unstable manipulations, such as tool-use tasks, and to compensate for perturbations. An interesting property of our controller is that it is implemented in Cartesian space with joint stiffness, damping and torque learning in a multi-objective control framework. The relevance of the proposed control method to model human motor adaptation has been demonstrated by various simulations.
@article{DeMagistris:2015:AHL,
author = {Giovanni De Magistris and Alain Micaelli and Paul Evrard and Jonathan Savin},
title = {A human-like learning control for digital human models in a physics-based virtual environment},
journal = {The Visual Computer},
volume = {31},
number = {4},
pages = {423--440},
month = apr,
year = {2015},
}
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