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| 1 | 水下球形机器人视觉防碰撞编队策略显示文摘为解决小型水下机器人编队系统协调周期长、碰撞事故率高等问题,提出一种基于双目视觉的领航者-跟随编队形成方法。利用水下球形机器人平台的双目视觉系统通过点匹配算法实现机器人的3维相对定位,将视觉系统解算的控制量作为机器人运动控制的输入量,根据机器人的运动性能设置安全阈值以实现机器人的水下防碰撞编队,开展2个球形机器人的编队实物实验。结果表明,该方法具备有效性。 | 石立伟 鲍鹏筱 陈占 郭书祥 | 2022 | 兵工自动化2022，41，10： | 3 |
| 2 | A decoupling three-dimensional motion control algorithm for spherical underwater robot显示文摘Underwater spherical robots are good assistants for ocean exploration,where motion control algorithms play a vital role.Conventional motion control algorithms cannot eliminate the coupling relationship between various motion directions,which will cause the motion control of various directions to interfere with one other and significantly affect the control effect.This study proposes a new decoupling motion control algorithm based on the robot attitude calculation for an underwater spherical robot designed for offshore,shallow water,and narrow terrain.The proposed method uses four fuzzy proportional-integral-derivative(PID)controllers to independently control the robot’s movement in all directions.Experiments show that the motion control algorithm proposed in this study can significantly improve the flexibility and accuracy of the movement of underwater spherical robots. | Pengxiao Bao Yao Hu Liwei Shi Shuxiang Guo Zhengyu Li | 2022 | Biomimetic Intelligence & Robotics2022，2，3： | 0 |
| 3 | Study on Decentralization of Spherical Amphibious Multi-robot Control System Based on Smart Contract and Blockchain显示文摘With the development of intelligent bionic robots and the improvement of military application,a single robot cannot meet the requirements of the tasks of the current era.The more complex tasks require not only that the robot be able to pass through the field barriers and the amphibious environment,but also that the robot be able to collaborate in a multi-robot system.Consequently,research on the multi-robot control system of spherical amphibious robots is very important.Presently,the main research on amphibious robots is to improve the functions of a single robot,in the absence of the study of the multi-robot control system.Existing systems primarily use a centralized control methodology.Although the transfer of central node can be achieved,there is still a problem of Byzantine fault tolerance in military applications,that is,when the amphibious multi-robot system is invaded by the enemy.The central node may not only fail to accomplish the task,but also lose control of other robots,with severe consequences.To solve the above problems,this paper proposed a decentralized method of spherical amphibious multi-robot control system based on blockchain technology.First,the point-to-point information network based on long range radio technology of low power wide area network was set up,we designed the blockchain system for embedded application environment and the decentralized hardware and software architecture of multi-robot control system.On this basis,the consensus plugin,smart contract and decentralized multi-robot control algorithm were designed to achieve decentralization.The experimental results of consensus of spherical amphibious multi-robot showed the effectiveness of the decentralization. | Shuxiang Guo Sheng Cao Jian Guo | 2021 | Journal of Bionic Engineering2021，18，6： | 0 |
| 4 | 基于强化学习补偿器的水下航行器姿态控制显示文摘自主式无人水下航行器(AUV)的动力学模型是一个多输入多输出、欠驱动强耦合的非线性系统,同时AUV的工作环境复杂多变,因此,对其姿态进行高精度控制是一个挑战。针对上述问题,本文提出了一个基于强化学习补偿器的AUV姿态控制方法,通过对历史经验数据的学习,实现在野外航行过程中抵抗未建模的不确定扰动和逐步提升姿态控制性能。主要贡献:(1)融合经典控制器和强化学习补偿器,通过经典控制器保障强化学习补偿器在训练过程中的系统稳定,通过训练好的强化学习补偿器抵抗不确定扰动和提升最终性能;(2)改进了传统的二次型的强化学习奖励函数,提升了训练速度和最终控制性能;(3)通过仿真验证了在神经网络权值随机初始化的条件下,本文设计的强化补偿控制器经过训练后可以收敛到稳定一致的性能。 | 彭泽华 林晓波 潘光帅 | 2023 | 网络新媒体技术2023，12，6： | 0 |
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