Abstract The Fuzzy Rule Interpolation (FRI)-based Fuzzy Automaton is an efficient structure
for describing complex behaviour models in a relatively simple manner. The goal of this
paper is to introduce a novel declarative behaviour description language which is created
for supporting special needs of ethologically inspired behaviour model definition. For the
sake of simplicity, the grammar is created with as few keywords as possible, keeping the
ability to describe complex behavioural patterns as well. The language is a declarative …