Type-2 fuzzy logic control in computer games

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Sahin, Atakan and Kumbasar, Tufan; John, Robert and Hagras, Hani and Castillo, Oscar, eds. (2018) Type-2 fuzzy logic control in computer games. In: Type-2 Fuzzy Logic and Systems. Studies in Fuzziness and Soft Computing . Springer, Switzerland, pp. 105-127. ISBN 9783319728919 (https://doi.org/10.1007/978-3-319-72892-6_6)

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Abstract

In this chapter, we will present the novel applications of the Interval Type-2 (IT2) Fuzzy Logic Controllers (FLCs) into the research area of computer games. In this context, we will handle two popular computer games called Flappy Bird and Lunar Lander. From a control engineering point of view, the game Flappy Bird can be seen as a classical obstacle avoidance while Lunar Lander as a position control problem. Both games inherent high level of uncertainties and randomness which are the main challenges of the game for the player. Thus, these two games can be seen as challenging testbeds for benchmarking IT2-FLCs as they provide dynamic and competitive elements that are similar to real-world control engineering problems. As the game player can be considered as the main controller in a feedback loop, we will construct an intelligent control systems composed of three main subsystems: reference generator, the main controller, and game dynamics. In this chapter, we will design and then employ an IT2-FLC as the main controller in a feedback loop such that to have a satisfactory game performance while be able to handle the various uncertainties of the games. In this context, we will briefly present the general structure and the design methods of two IT2-FLCs which are the Single Input and the Double Input IT2-FLCs. We will show that the IT2-FLC structure is capable to handle the uncertainties caused by the nature of the games by presenting both simulations and real-time game results in comparison with its Type-1 and conventional counterparts. We believe that the presented design methodology and results will provide a bridge for a wider deployment of Type-2 fuzzy logic in the area of the computer games.

ORCID iDs

Sahin, Atakan ORCID logoORCID: https://orcid.org/0000-0002-1042-7679 and Kumbasar, Tufan; John, Robert, Hagras, Hani and Castillo, Oscar
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