The Autonomous Robot Architecture (AuRA) is a hybrid deliberative/reactive robot architecture developed by American roboticist and roboethicist Ronald C. Arkin at the Georgia Institute of Technology.[1] It was developed in mid-1980s. 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.
https://web.archive.org/web/20120325145948/http://math.haifa.ac.il/robotics/Projects/AuRA_Ina.pdf