群機器人系統(tǒng)自組織隊形控制策略研究
[Abstract]:With the continuous development of science and technology, artificial intelligence has become a hot issue in the world, and the swarm robot technology has been widely concerned by many experts and scholars. The swarm robot system has high flexibility, good robustness, and the behavior of single agent in the system is relatively simple and the complexity is low. Based on this, swarm robot system has been widely used in various fields, and has become a research hotspot in the world. In order to solve the problem of formation control of swarm robot system, this paper presents a self-organizing formation control strategy for swarm robot based on secure region, and uses e-Puck robot to complete the corresponding formation control task in its simulator Webots. First of all, the research background and significance of the swarm robot system are explained in this paper, and the current research situation of the swarm robot system at home and abroad is summarized, and the hot issues in the research of the swarm robot system are briefly described. The related intelligent optimization algorithms in the research of swarm robots are briefly analyzed. On the basis of fully understanding the domestic and international research background and related research methods of swarm robot system, the characteristics of swarm robot system are analyzed, and the cooperative cooperation method is deeply understood. Then, through the analysis of the characteristics of the swarm robot system, e-Puck is selected as the experimental robot in this paper, and the kinematics of the individual robot in the group robot system composed of the wheeled mobile robot with e-Puck as an example is analyzed. The motion behavior model of individual robot in swarm robot system is constructed, and the control method of robot speed and direction is given. Secondly, by analyzing the method of artificial potential field, the concept of safe area is introduced, and the movement plan of individual robot in swarm robot system is given. According to the established individual robot motion behavior model, the potential field function of self-organized formation control of swarm robots is constructed, and the safety area is established, and the model is built according to the safety region. In the process of moving from the initial position to the target point, the robot is satisfied that the interlinkage restriction between the robots has little influence and makes the robot concentrate when it is far away from the target point, but when the robot is near the target point, the influence of the interconnected constraint is great, which makes the robot disperse. Thus, the swarm robots are coordinated into a formation where each group tends to be dispersed and the group concentrates on the target point. On the basis of this rule, the boundary equation and other limiting conditions are given, so that each robot in a swarm robot system can self-organize to complete the task of assigned formation according to the local interaction between individuals and environment. Finally, this paper presents the algorithm and flow chart of the formation control task of the robot to reach the designated target point, the robot to complete the aggregation, the robot to form a circle, and the robot to form the L-shaped four-species robot formation control task. Then e-Puck is chosen as the simulator of the experimental robot, and the proposed method is verified by a series of simulation experiments, and the experimental results are summarized and analyzed. Finally, the experimental results show that the self-organizing formation control strategy based on safe region for the e-Puck robot system proposed in this paper is feasible and effective in completing the formation control task.
【學(xué)位授予單位】:山東大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:TP242
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