|
|||||
|
|
| 一种新的加权最小二乘支持向量回归机及其对性能退化航空发动机推力估计的应用(英文) | |
| 引用本文： | 苏伟生,赵永平,孙健国.一种新的加权最小二乘支持向量回归机及其对性能退化航空发动机推力估计的应用(英文)[J].南京航空航天大学学报(英文版),2012,29(1):25-32. |
| 作者姓名： | 苏伟生 赵永平 孙健国 |
| 作者单位： | 1. 中国航空工业集团公司航空推力控制系统研究所,无锡,214063,中国 2. 南京理工大学智能弹药技术国防重点实验室,南京,210094,中国 3. 南京航空航天大学能源与动力学院,南京,210016,中国 |
| 基金项目： | 国家自然科学基金，南京理工大学卓越计划紫金之星资助项目 |
| 摘 要： | 要实现航空发动机的性能退化缓解控制,需要设计一个高精度并具有良好实时性的推力估计器。针对这种需要,本文提出了一种新的加权最小二乘支持向量回归机,并在此基础上设计了性能退化推力估计器。和现有的加权策略相比较,基于此新的加权策略的推力估计器不仅能满足性能退化缓解控制对精度的要求也能满足实时性的要求。最后,仿真实验证明此加权最小二乘支持向量回归机以及基于此回归机设计的推力估计器的有效性和可行性。 |
| 关 键 词： | 智能发动机控制 最小二乘 支持向量机 性能退化 |
NOVEL WEIGHTED LEAST SQUARES SUPPORT VECTOR REGRESSION FOR THRUST ESTIMATION ON PERFORMANCE DETERIORATION OF AERO-ENGINE |
|
| Su Weisheng , Zhao Yongping , Sun Jianguo.NOVEL WEIGHTED LEAST SQUARES SUPPORT VECTOR REGRESSION FOR THRUST ESTIMATION ON PERFORMANCE DETERIORATION OF AERO-ENGINE[J].Transactions of Nanjing University of Aeronautics & Astronautics,2012,29(1):25-32. | |
| Authors: | Su Weisheng Zhao Yongping Sun Jianguo |
| Institution: | 1.Aviation Motor Control System Institute,Aviation Industry Corporation of China,Wuxi,214063,P.R.China;2.ZNDY of Ministerial Key Laboratory,Nanjing University of Science and Technology,Nanjing,210094,P.R.China;3.College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing,210016,P.R.China) |
| Abstract: | A thrust estimator with high precision and excellent real-time performance is needed to mitigate performance deterioration for future aero-engines.A weight least squares support vector regression is proposed using a novel weighting strategy.Then a thrust estimator based on the proposed regression is designed for the performance deterioration.Compared with the existing weighting strategy,the novel one not only satisfies the requirement of precision but also enhances the real-time performance.Finally,numerical experiments demonstrate the effectiveness and feasibility of the proposed weighted least squares support vector regression for thrust estimator. |
| Keywords: | intelligent engine control least squares support vector machine performance deterioration |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |