The Autonomous Robot Architecture (AuRA) is the a hybrid deliberative/reactive robot architecture developed by Ronald C. Arkin at the Georgia Institute of Technology. It was developed in mid-1980's. AuRA is one of the first Hybrid Robotic Architecture developed. Hybrid Robotic Architecture forms form combination of reactive and deliberative approaches and gets best from both the approaches.
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Autonomous robot architecture (AuRA) Wikipedia(Text) CC BY-SA