Autoassociative Memory and Pattern Recognition in Micromechanical Oscillator Network.
Towards practical realization of brain-inspired computing in a scalable physical system, we investigate a network of coupled micromechanical oscillators. We numerically simulate this array of all-to-all coupled nonlinear oscillators in the presence of stochasticity and demonstrate its ability to synchronize and store information in the relative phase differences at synchronization. Sensitivity of behavior to coupling strength, frequency distribution, nonlinearity strength, and noise amplitude is investigated. Our results demonstrate that neurocomputing in a physically realistic network of micromechanical oscillators with silicon-based fabrication process can be robust against noise sources and fabrication process variations. This opens up tantalizing prospects for hardware realization of a low-power brain-inspired computing architecture that captures complexity on a scalable manufacturing platform.
Department of Physics, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA, 91125, USA.
Ankit
A
Kumar
Department of Physics, Boston University, 590 Commonwealth Avenue, Boston, MA, 02215, USA. mohanty@physics.bu.edu.
Pritiraj
P
Mohanty
D003198:Computer Simulation; D008568:Memory; D008962:Models, Theoretical; D016571:Neural Networks, Computer; D017711:Nonlinear Dynamics; D009991:Oscillometry / Q000379:methods; D010363:Pattern Recognition, Automated / Q000379:methods*; D055585:Physical Phenomena