Origami affords the creation of diverse 3D objects through explicit folding processes from 2D sheets of material. Originally as a paper craft from 17th century AD, origami designs reveal the rudimentary characteristics of sheet folding: it is lightweight, inexpensive, compact and combinatorial. In this paper, we present "HexaMorph", a novel starfish-like hexapod robot designed for modularity, foldability and reconfigurability. Our folding scheme encompasses periodic foldable tetrahedral units, called "Basic Structural Units" (BSU), for constructing a family of closed-loop spatial mechanisms and robotic forms. The proposed hexapod robot is fabricated using single sheets of cardboard. The electronic and battery components for actuation are allowed to be preassembled on the flattened crease-cut pattern and enclosed inside when the tetrahedral modules are folded. The self-deploying characteristic and the mobility of the robot are investigated, and we discuss the motion planning and control strategies for its squirming locomotion. Our design and folding paradigm provides a novel approach for building reconfigurable robots using a range of lightweight foldable sheets.
We introduce ChiroBot, a cyber-physical construction kit that allows users to create custom robots out of craft material, easily assemble the robots using joint modules and control them using hand gestures. These hand-crafted robots are assembled using our modules packaged with actuator, wireless communication and controller electronics. These modules eliminate the need for expertise in electronics and enable a plug and play system that directly encourages users to explore by quick prototyping. We designed a glove embedded with sensors to enable the user to control the robots using hand gestures. We present different usage scenarios to demonstrate the system's versatility such as vehicular robot, humanoid puppet, robotic arm, and other combinations. This paper describes the ChiroBot system, interaction methods, few sample creations, and proposes possible "play value".
Electronic messages are encoded and transmitted mechanically via steel balls.
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