Complete controllability of continuous-time recurrent neural networks

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This paper studies controllability for the class of control systems commonly called (continuous-time) recurrent neural networks. It is shown that, under a generic condition on the input matrix, the system is controllable, for every possible state matrix. The result holds when the activation function is the hyperbolic tangent.

Original languageEnglish (US)
Pages (from-to)177-183
Number of pages7
JournalSystems and Control Letters
Issue number4
StatePublished - May 1997

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Computer Science(all)


  • Global stabilization
  • Linear discrete-time systems
  • Saturated feedback


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