和自适应模糊固定时间非单元集成终端AUV的滑动模式控制
IEEE transactions on cybernetics
|March 4, 2025
概括
本研究引入了一种用于自动水下车辆 (AUV) 的新型自适应性模糊控制器,以实现固定的时间轨迹跟踪,尽管存在不确定性和输入限制. 控制器确保了快速而准确的路径跟踪.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 海洋工程 海洋工程
背景情况:
- 自主水下车辆 (AUV) 在轨迹跟踪方面面临挑战,原因是动态不确定性,外部干扰和输入和.
- 在这些复杂的条件下,现有的控制方法往往难以保证固定时间的融合.
研究的目的:
- 为自动驾驶汽车开发一个强大的轨迹跟踪控制方案,确保固定时间的融合.
- 为了解决AUV控制中的动态不确定性和输入幅度/速率和所带来的局限性.
主要方法:
- 设计两个新的稳定系统,具有固定的时间收特性.
- 开发一个增强的快速非单元整体终端滑动模式 (NITSM) 表面和虚拟控制规律.
- 关于和自适应模糊固定时间NITSM控制器的建议,该控制器包含Lyapunov稳定理论和新型不平等.
主要成果:
- 拟议的控制器保证AUV的跟踪错误在固定的时间内汇聚到源地的一个小邻里.
- 用利亚普诺夫理论和新确立的不等式来证明闭环系统的固定时间稳定性.
- 通过代表性的数值模拟来验证控制方案的有效性.
结论:
- 新型和自适应模糊固定时间NITSM控制器有效克服了AUV轨迹跟踪中的不确定性和输入和问题.
- 与现有方法相比,开发的控制策略确保了AUV的更快,更精确的路径跟踪.
- 该研究为先进的AUV控制系统提供了严格的理论框架和实践验证.
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