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超扭曲的滑动模式轨迹跟踪控制的水下操纵器受输入和约束
Hui Yang1, Siyu Niu1, Xuyu Shen1
1College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200090, China.
Sensors (Basel, Switzerland)
|March 14, 2026
概括
本研究介绍了水下操纵器的新型控制策略,提高了轨迹跟踪精度和强度,防止干扰和执行器和. 这种先进的方法确保了在复杂的海洋环境中可靠的性能.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 海洋工程 海洋工程
- 控制系统 控制系统
背景情况:
- 水下操纵器在复杂的海洋环境中面临挑战,包括多度自由度合,非线性和执行器和.
- 准确的轨迹跟踪对于这些机器人系统的有效运行至关重要.
研究的目的:
- 开发水下操纵器的先进控制方案,以解决在执行器和约束下轨迹跟踪问题.
- 提高在动态海洋环境下水下操纵器控制的稳定性和准确性.
主要方法:
- 建立了水下操纵器的动态模型,结合了水力动力学效应,如增加质量和阻力.
- 一个超扭曲的滑动模式控制器被设计来最大限度地减少跟踪错误和减少聊天.
- 实现了扩展状态观察器,用于实时估计和补偿未建模的动态和干扰.
- 开发了一个反和辅助系统来管理执行器输出限制.
主要成果:
- 与传统方法相比,拟议的控制策略显示出更高的轨迹跟踪精度.
- 观察到增强的干扰排斥能力.
- 从执行器和中实现了更快的恢复.
- 在Oberon7水下操纵器上的模拟验证了这种方法的有效性.
结论:
- 综合控制方案为水下操纵器的高精度轨迹跟踪提供了可靠的解决方案,即使输入和.
- 该方法有效地提高了系统的稳定性和性能在具有挑战性的海洋环境.
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