Abstract
In this paper, three-dimensional caging by a multifingered hand (3D multifingered caging) is studied. Caging is a method to constrain an object in which robot bodies surround the object and make it inescapable from the "cage" composed of the robot bodies. In 3D multifingered caging, position-controlled robot hands can manipulate objects, and force control is not necessary. Furthermore, even a robot hand with low degrees of freedom can constrain an object to manipulate. We formulate caging problems and derive sufficient conditions. In addition, we propose a method to plan robot motion with the sufficient conditions.
