对转移对齐中的杆臂诱导的速度错误的注意力增加的LSTM前进补偿
Shuang Pan1, Guangyao Yan1, Dongping Sun1
1Naval Submarine Academy, Qingdao 266000, China.
Biomimetics (Basel, Switzerland)
|January 27, 2026
概括
这项研究引入了一种具有长短期记忆 (LSTM) 模块的自适应卡尔曼波器 (AKF),以提高水下机器人导航的准确性. 该方法有效地弥补了灵活系统中改变杆臂所造成的速度错误.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 导航和指导的导航和指导.
- 生物启发系统 生物启发系统
背景情况:
- 水下机器人系统面临导航挑战,原因是结构曲和态度变化引起的时间变化的杆臂.
- 传统的刚体补偿方法在柔性元件上失败,导致速度错误和转移对齐精度下降.
- 准确的导航对于成功部署和运行母婴水下机器人系统至关重要.
研究的目的:
- 为具有时间变化的杆臂的水下机器人系统开发强大的转移对齐方法.
- 在灵活的机器人平台中提高惯性导航系统 (INS) 的准确性和缩性.
- 为了减轻结构变形和态度变化引入的系统速度误差.
主要方法:
- 增强速度-态度联合匹配和基于创新的自适应卡尔曼波器 (AKF) 通过基于注意力的长短期记忆 (LSTM) 送模块.
- 使用来自奴隶INS的短时间实时惯性测量单元 (IMU) 序列来预测和补偿速度偏差.
- 实施水下生物灵感机器人部署场景的数值模拟,以验证拟议的方法.
主要成果:
- 拟议的方法显著减少了根-平均-平方 (RMS) 误调角度误差,从大约14.5'降至5.2'.
- RMS安装错误角度从8.8'降至3.0',平均减少约64%和66%.
- 在动态条件下转移对齐的稳定性和实际适用性显著改善.
结论:
- 用LSTM增强的AKF框架有效地弥补了灵活的水下机器人系统中因时间变化的杆臂引起的速度偏差.
- 增强的转移对齐方法提高了导航精度和过器的融合,优于传统的刚体补偿.
- 该方法为复杂的水下机器人任务提供了更好的稳定性和实际适用性.
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