This paper presents a fast localisation algorithm for autonomous mobile agents in dynamic environments based on the definition of a new very small sized landmark type. These landmarks are calculated by obtaining the coordinates of the circular depth jimction obtained from a ring of equally spaced sonar sensors projected on a bidimensional base of a vectorial space. Finally, a pyramidal structure is used to enhance and fasten the performance of the localisation algorithm.
Cristina Urdiales, Antonio Bandera, R. Ron, Franci