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强大的QFT控制设计用于旋转纳米扫描仪的多变量扭曲/曲
Mohammad Reza Gharib1, Ali Koochi1, Ali Heydari1
1Department of Mechanical Engineering, University of Torbat Heydarieh, Torbat Heydarieh, Iran.
ISA transactions
|August 9, 2023
概括
本研究介绍了一种使用定量反理论 (QFT) 和塔古奇方法的纳米机械扫描仪的新型强大的控制器设计. 该方法提高了旋转和曲运动的控制精度和性能,克服了系统的不确定性.
科学领域:
- 机械工程 机械工程
- 控制系统工程 控制系统工程
- 纳米技术 纳米技术
背景情况:
- 纳米电机扫描仪 (NEMS) 需要精确的控制,尽管固有的系统不确定性和复杂的动态.
- 强大的控制策略对于NEMS至关重要,以确保在纳米级应用中可靠的运行和准确的性能.
研究的目的:
- 为两度自由度纳米机械扫描仪开发一个强大的控制器.
- 调查量化反理论 (QFT) 和塔古奇方法的联合应用,以提高扫描仪的性能.
主要方法:
- 纳米扫描仪的建模,考虑到弹性,电力,卡西米尔力和挤压膜阻尼.
- 使用修改的对应力理论推导调控方程,以解释尺度依赖的材料性质.
- 应用 QFT 来将非线性系统转换为不确定的线性系统,并设计用于干扰拒绝和跟踪的控制器.
- 使用Taguchi方法优化单输入,双输出系统的控制器性能.
主要成果:
- 拟议的基于QFT和Taguchi的控制器有效地管理系统的不确定性.
- 非线性模拟证明了控制器在精确的角度和偏移调整方面的能力.
- 该方法成功地解决了对非线性旋转纳米扫描仪的强有力的控制方面的挑战.
结论:
- 结合的QFT和Taguchi方法为NEMS扫描仪的可靠控制提供了实用和有效的解决方案.
- 开发的方法显著提高了纳米机械扫描系统的准确性和性能.
- 这项工作为设计复杂的纳米设备的强大的控制器提供了有价值的框架.
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