Prototyping Teams of Affective Agents in Robocode António Rebelo 1 , Fábio Catalão 1 , João Alves 1 , Goreti Marreiros 3,4 , Cesar Analide 1,2 , Paulo Novais 1,2 , José Neves 1,2 1 Universidade do Minho, Campus de Gualtar, 4700 Braga, Portugal Email: {pg19827, pg19832, pg20688}@alunos.uminho.pt 2 CCTC – Centro de Ciências e Tecnologias da Computação, Portugal Email: {analide, pjon, jneves}@di.uminho.pt 3 GECAD – Knowledge Engineering and Decision Support Group, Porto, Portugal Email: mgt@isep.ipp.pt 4 Institute of Engineering – Polytechnic of Porto (ISEP/IPP) ABSTRACT The study of the impact of emotion and affect in decision making processes involved in a working team stands for a multi-disciplinary issue (e.g. with insights from disciplines such as Psychology, Neuroscience, Philosophy and Computer Science). On the one hand, and in order to create such an environment we look at a team of affective agents to play into a battlefield, which present different emotional profiles (e.g. personality and mood). An emotional system, based on the OCC (Ortony, Clore and Collins) model, was proposed and implemented. As a way to integrate the personality of a robot with its emotions we used pleasure-arousal-dominance (PAD) model of mood. On the other hand, to attain cooperation, a voting mechanism and a decision-making process was implemented, being Robocode used as the simulation environment. Indeed, the results so far obtained are quite satisfying; the agent team performs quite well in the battlefield and undertakes different behaviours depending on the skirmish conditions Keywords: Affective agents, Team behaviour, Robocode. Mathematics Subject Classification: 68T42 Computing Classification System: I2.0 1. INTRODUCTION Traditionally, emotions and affects have been ignored in classic decision making methods (Marreiros et al., 2005). However, in the last years, re-searchers of distinct areas (e.g. Psychology, Neuroscience and Philosophy) have begun to explore the role of the affect as a positive influence on human decision-making. Currently, the representation of human emotions in artificial environments is a common issue in Artificial Intelligence. In 2003, Ortony discussed the main characteristics that an agent must have to be considered believable. There, it was defended that agents should have consistent motivational and behaviours states. In order to ponder this option, it is reinforced that agents need not only a robust model of emotions but also have to implement a proper model of personality, which will contribute to give them coherence, consistence and some degree of predictability. International Journal of Imaging and Robotics, [Formerly known as the “International Journal of Imaging” (ISSN 0974-0627)] Volume 15; Issue No. 1; Year 2015; Int. J. Imag. Robot. ISSN 2231–525X; Copyright © 2015 by IJIR (CESER PUBLICATIONS) www.ceser.in/ceserp www.ceserp.com/cp-jour www.ceserpublications.com