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Bidirectional Measurement Method for Turbine-Based Combined Cycle Engine Based on System Errors Decoupling

delete2025-01-01
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PRE
AI
Y
Yingjie Mei
G
Guangjiao Zhou
L
Li Jia
C
Chunhui Gao
Q
Qing Lu
Y
Yongmeng Liu
J
Jianfeng Li
王
王晨旭 (C.P. Wang)
DOI:10.1109/TIM.2025.3643078delete
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摘要

摘要

En 中文
转子轮廓测量的准确性是实现涡轮基组合循环(TBCC)发动机高精度装配的基础。由于多子系统误差耦合,常规仪器受硬件限制仅能达到微米级精度。现有方法主要关注传感器分辨率提升,缺乏适用于低成本高精度测量的新型测量模型和双向误差分离技术。本文采用等效投影法,全面分析转子双向测量中多源系统误差的耦合关系,并同时考虑误差对实际采样角度的影响。基于转子偏离旋转轴心引起的定位误差、传感器系统误差和导轨空间误差,建立了新的转子双向轮廓测量模型。最后,通过对测量模型进行双向参数估计,实现了截面轮廓和环形轮廓数据的双向误差分离。结果表明,与主流方法相比,本文方法在轴向轮廓垂直度测量误差上降低了6%,径向轮廓同轴度测量误差降低了25%。通过优化测量模型,提高了测量精度并验证了该方法的有效性。该方法为下一代高端旋转设备低成本精密测量提供了可靠的理论依据。
Keyword:
Bidirectional profile measurement
error separation
multisource system errors
turbine-based combined cycle (TBCC) engine

期刊

IEEE Transactions on Instrumentation and Measurement 封面图
IEEE Transactions on Instrumentation and Measurement
IF:
5.9
论文数:
2.0W
被引数:
5.8W

机构

B
beijing institute of power machinery
学者数:
3
论文数: 1
被引数: 0
H
harbin institute of technology
学者数:
8.0W
论文数: 6.6W
被引数: 66
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