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Artificial cerebellum than enables robotic human-like object handling developed

Date:
July 3, 2012
Source:
University of Granada
Summary:
Researchers have developed an artificial cerebellum (a biologically-inspired adaptive microcircuit) that controls a robotic arm with human-like precision. The cerebellum is the part of the human brain that controls the locomotor system and coordinates body movements.

University of Granada researchers have developed an artificial cerebellum (a biologically-inspired adaptive microcircuit) that controls a robotic arm with human-like precision. The cerebellum is the part of the human brain that controls the locomotor system and coordinates body movements.

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To date, although robot designers have achieved very precise movements, such movements are performed at very high speed, require strong forces and are power consuming. This approach cannot be applied to robots that interact with humans, as a malfunction might be potentially dangerous.

To solve this challenge, University of Granada researchers have implemented a new cerebellar spiking model that adapts to corrections and stores their sensorial effects; in addition, it records motor commands to predict the action or movement to be performed by the robotic arm. This cerebellar model allows the user to articulate a state-of-the-art robotic arm with extraordinary mobility.

Automatic Learning

The developers of the new cerebellar model have obtained a robot that performs automatic learning by extracting the input layer functionalities of the brain cortex. Furthermore, they have developed two control systems that enable accurate and robust control of the robotic arm during object handling.

The synergy between the cerebellum and the automatic control system enables robot's adaptability to changing conditions i.e. the robot can interact with humans. The biologically-inspired architectures used in this model combine the error training approach with predictive adaptive control.

The designers of this model are Silvia Tolu, Jesϊs Garrido and Eduardo Ros Vidal, at the University of Granada Department of Computer Architecture and Technology, and the University of Almerνa researcher Richard Carrillo.


Story Source:

The above story is based on materials provided by University of Granada. Note: Materials may be edited for content and length.


Journal Reference:

  1. N. R. Luque, J. A. Garrido, R. R. Carrillo, S. Tolu, E. Ros. Adaptive Cerebellar Spiking Model embedded in the control loop: Context switching and robustness against noise. International Journal of Neural Systems, 21 (5) (2011) 385-401

Cite This Page:

University of Granada. "Artificial cerebellum than enables robotic human-like object handling developed." ScienceDaily. ScienceDaily, 3 July 2012. <www.sciencedaily.com/releases/2012/07/120703120535.htm>.
University of Granada. (2012, July 3). Artificial cerebellum than enables robotic human-like object handling developed. ScienceDaily. Retrieved November 25, 2014 from www.sciencedaily.com/releases/2012/07/120703120535.htm
University of Granada. "Artificial cerebellum than enables robotic human-like object handling developed." ScienceDaily. www.sciencedaily.com/releases/2012/07/120703120535.htm (accessed November 25, 2014).

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