Last week I presented at IEEE CIG 2018 (held in Maastricht, The Netherlands) our following step in our research about autonomous drivers for Car Racing Simulators, such as TORCS, titled “The Evolutionary Race: Improving the Process of Evaluating Car Controllers in Racing Simulators“.
As commented before by @jjmerelo and later by @fergunet, we designed with Mohammed Salem (University of Mascara) a driver’s AI in which two Fuzzy Subcontrollers were hybridized with a Genetic Algorithm.
In this work we present a better evaluation approach for the GA, combining three methods: heuristic track choosing, improved fitness functions, and race-based selection of the best.
The abstract of the work is:
Simulated car races have been used for a long time as an environment where car controlling algorithms can be tested; they are an interesting testbed for all kinds of algorithms, including metaheuristics such as evolutionary algorithms. However, the challenge in the evolutionary algorithms is to design a reliable and effective evaluation process for the individuals that eventually translates into good solutions to the car racing problem: finding a controller that is able to win in a wide range of tracks and with a good quantity of opponents. Evaluating individual car controllers involves not only the design of a proper fitness function representing how good the car controller would be in a competitive race, but also the selection of the best solution for the optimization problem being solved; this decision might not be easy when uncertainty is present in the problem environment; in this case, weather and track conditions as well as unpredictable behavior of other drivers. Creating a methodology for the automatic design of the controller of an autonomous driver for a car racing simulator such as TORCS is an optimization problem which offers all these challenges. Thus, in this paper we describe an analysis and some proposals to improve the evaluation of optimized fuzzy drivers for TORCS over previous attempts to do so. It builds on preliminary results obtained in previous papers as a baseline and aims to obtain a more competitive autonomous driver via redesign of the fitness evaluation procedure; to this end, two different fitness functions are studied in several experiments, along with a novel race-based approach for the selection of the best individual in the evolution.
And the presentation is:
You can check our paper in the proceedings of the conference.
This paper presents a novel car racing controller for TORCS (The Open Racing Car Simulator), which is based in the combination of two fuzzy subcontrollers, one for setting the speed, and one to control the steer angle. The obtained results are quite promissing, as the controller is quite competitive even against very tough TORCS teams.
The abstract of the paper is:
“When driving a car it is essential to take into account all possible factors; even more so when, like in the TORCS simulated race game, the objective is not only to avoid collisions, but also to win the race within a limited budget. In this paper, we present the design of an autonomous driver for racing car in a simulated race. Unlike previous controllers, that only used fuzzy logic approaches for either acceleration or steering, the proposed driver uses simultaneously two fuzzy controllers for steering and computing the target speed of the car at every moment of the race. They use the track border sensors as inputs and besides, for enhanced safety, it has also taken into account the relative position of the other competitors. The proposed fuzzy driver is evaluated in practise and timed races giving good results across a wide variety of racing tracks, mainly those that have many turning points.“
El viernes pasado, Pablo García (aka Dr. Fergu) y yo mismo (aka Dr. Mora) dimos con éxito la charla “La Ciencia y los Videojuegos” en la Escuela Superior de Ingeniería de la Universidad de Cádiz.
Fuimos invitados por el Dr. Manuel Palomo Duarte y muy bien acogidos, tanto por él, como por el resto de sus compañeros. ;D
En la primera parte, conté la relación existente entre ciencia y videojuegos (con mi clásica presentación), con una parte centrada en la interacción autoática y la extracción de información en videojuegos para la creación o mejora de aspectos de los mismos (Inteligencia Artificial, Generación Procedural de Contenidos, etc).
La presentación es:
En la segunda parte, Pablo explicó varios de los desarrollos e investigación del grupo GeNeura en el ámbito de los videojuegos, aplicando Algoritmos Evolutivos a juegos como Unreal, Planet Wars, Super Mario o StarCraft.
Su presentación es:
Esperamos que os gustase (u os guste, si las veis ahora). ;)
by Federico Liberatore, Antonio Mora, Pedro Castillo, Juan Julián Merelo in EvoGAMES
Flocking strategies are sets of behavior rules for the interaction of agents that allow to devise controllers with reduced complexity that generate emerging behavior. In this paper, we present an application of genetic algorithms and flocking strategies to control the Ghost Team in the game Ms. Pac-Man. In particular, we define flocking strategies for the Ghost Team and optimize them for robustness with respect to the stochastic elements of the game and effectivity against different possible opponents by means of genetic algorithm. The performance of the methodology proposed is tested and compared with that of other standard controllers belonging to the framework of the Ms. Pac-Man versus Ghosts Competition. The results show that flocking strategies are capable of modelling complex behaviors and produce effective and challenging agents.
The presentation is:
You can also see a brief demo here (we are the ghosts :D):
El curso tiene una duración de 6 semanas (5 horas de estudio semanales), comenzando el próximo 20 de Enero.
La descripción del mismo (extraída de la web del curso) es: “El curso en Creación y Desarrollo de Videojuegos y Gamificación es un primer puente tendido hacia aquellas personas que desean embarcarse en la aventura del diseño y desarrollo de videojuegos, explicando cada aspecto de la industria, desde el diseño a la financiación pasando por el arte y la evaluación.
El curso no pretende abarcar ningún área de programación ni plástica, sino elaborar un sustrato de conocimientos enfocados a la preparación de futuros diseñadores a través de un mapa de conceptos clave y la experiencia compartida de profesionales del medio. Cada módulo tendrá una decena aproximada de breves video-conceptos que eclosionarán en una entrevista final con un profesional del sector que dará su opinión acerca de la situación y posible evolución de la misma.”
Six projects have taken part this year in the 5th hackathon at Granada for the University Free Software Contest, three of which come from the GeNeura team. We spent all the weekend working at Cocorocó’s facilities. We worked but also enjoyed it and had fun. And the projects from GeNeura team are….:
The idea is simple: turn your java code into a Super Maryo game stage. Then you can follow Maryo while debugging your code and quickly access any place on it. Many features are expected to be developed in the future.