一个压电光学稳定平台的设计,模拟和高精度跟踪控制
Yonggang Yan1, Can Cui1, Jianjun Cui2
1School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003, China.
Micromachines
|January 28, 2026
概括
这项研究开发了用于空中成像的压电驱动光学图像稳定 (OIS) 平台. OIS平台有效地弥补了线性图像转移,在动态条件下提高了成像性能.
科学领域:
- 光电子成像技术的成像技术
- 机械工程 机械工程 机械工程
- 控制系统 控制系统
背景情况:
- 光学图像稳定 (OIS) 对于在动态环境中运行的高性能空载成像系统至关重要.
- 线性图像转移会降低图像质量,需要精确的补偿机制.
研究的目的:
- 设计和验证一个二维压电驱动的OIS平台,以补偿线性图像移位.
- 通过先进的建模和优化技术,提高OIS平台的可重复性和准确性.
主要方法:
- 开发了一个带有桥梁放大机制和直角导梁的运动平台.
- 理论建模和有限元素分析 (FEA) 用于验证.
- 使用Bouc-Wen模型建模压电执行器歇斯底里,并使用混合遗传算法和粒子群优化 (HGAPSO) 进行优化.
- 实现一个集成HGAPSO的复合控制器.
主要成果:
- 该OIS平台实现了53.92μm × 53.76μm的工作空间和30nm的运动分辨率.
- 记录了2.28%的最大合误差和356.69 Hz的第一阶振频率.
- 使用HGAPSO复合控制器,实现了微米以下的跟踪精度,误差为0.43μm (X轴) 和0.47μm (Y轴).
结论:
- 开发的压电驱动OIS平台在空中成像方面表现出高精度和有效性.
- 集成的HGAPSO优化和复合控制器显著提高了跟踪精度和可重复性.
- 这项研究为为高度动态的操作环境开发先进的OIS系统提供了宝贵的见解.
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