Abstract
Game strategy is one of the most critical parts of winning a soccer robot match and cannot be separated from the cooperation among robots in making movements to score goals. In this paper, a wheeled soccer robot game strategy called advance attack and defense has been developed. The strategy is combined with dynamic role assignment, in which robot can change from an attacker to a defender and vice versa. Defender robots are not only based on defensive area but will always block opposing attacker to score goal. The attack strategy performs a rotational trajectory for attacker robot to overpass opponent robot. This strategy has been proven to increase defense and attack effectiveness. Test results using soccer robot gameplay environment simulator developed by Institut Teknologi Sepuluh Nopember Robot with Intelligent System (IRIS) team show that the advance strategies are superior compared with basic strategies. In 30 matches, the advance dynamic strategy won 80%, drew 6.7%, and obtained the highest goal difference, 85 goals. The test was then verified with the implementation in the IRIS robots and showed the same performance. The developed game algorithms were tested in 2019 Indonesian wheeled soccer robot contest (KRSBI-B) and the IRIS team won the title.
Highlights
The development of soccer robots has involved many researchers around the world
The advance attack strategy developed by the IRIS team uses two parameters that determine when the robot will kick into the goal
Advance attack and defense strategy algorithm has been tested with a basic strategy algorithm and has shown its superiority
Summary
The development of soccer robots has involved many researchers around the world. An annual soccer competition has been held since 1997 until now, the beginning and the vision of the competition can be seen in [1]. The number of robots is limited, it is possible that the number of players can be increased This is important because the number of robots that can be played will increase according to the rules of RoboCup. The algorithm developed by the IRIS team has been tested in the 2019 Indonesian Wheeled Soccer Robot Contest and has won in regional and national competitions. This algorithm looks for a position with a certain distance to the goal before kicking the ball This algorithm was created by imitating the match algorithms from other teams in the Indonesian wheeled soccer robot contest. The advance attack strategy developed by the IRIS team uses two parameters that determine when the robot will kick into the goal. The first parameter is the distance of the robot to the goal and the second parameter is the presence of other robots blocking the kick
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