Hybrid neural state machine for neural network

Abstract

The integration of computer-science-oriented and neuroscience-oriented approaches is believed to be a promising way for the development of artificial general intelligence (AGI). Recently, a hybrid Tianjic chip that integrates both approaches has been reported, providing a general platform to facilitate the research of AGI. The control algorithm for handling various neural networks is the key to this platform; however, it is still primitive. In this work, we propose a hybrid neural state machine (H-NSM) framework that can efficiently cooperate with artificial neural networks and spiking neural networks and control the workflows to accomplish complex tasks. The H-NSM receives input from different types of networks, makes decisions according to the fusing of various information, and sends control signals to the sub-network or actuator. The H-NSM can be trained to adapt to context-aware tasks or sequential tasks, thereby improving system robustness. The training algorithm works correctly even if only 50% of the forced state information is provided. It achieved performance comparable to the optimum algorithm on the Tower of Hanoi task and achieved multiple tasks control on a self-driving bicycle. After only 50 training epochs, the transfer accuracy reaches 100% in the test case. It proves that H-NSM has the potential to advance control logic for hybrid systems, paving the way for designing complex intelligent systems and facilitating the research towards AGI.

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Acknowledgements

This work was partly supported by National Natural Science Foundation of China (Grant No. 61836004), Brain-Science Special Program of Beijing (Grant No. Z181100001518006), and CETC Haikang Group-Brain Inspired Computing Joint Research Center, the Suzhou-Tsinghua Innovation Leading Program (Grant No. 2016SZ0102).

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Correspondence to Luping Shi.

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Tian, L., Wu, Z., Wu, S. et al. Hybrid neural state machine for neural network. Sci. China Inf. Sci. 64, 132202 (2021). https://doi.org/10.1007/s11432-019-2988-1

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Keywords

  • hybrid neural state machine
  • ANNs
  • SNNs
  • supervised learning
  • context-aware task
  • sequential task