涡轮冲压组合发动机模态转换多变量控制研究

推进技术 ›› 2017, Vol. 38 ›› Issue (5): 968-974.

涡轮冲压组合发动机模态转换多变量控制研究

聂聆聪¹,李岩^1,2,戴冬红¹,姜渭宇¹,侯营东¹,吴智锋¹

北京动力机械研究所，北京 100074,北京动力机械研究所，北京 100074; 西北工业大学燃烧、热结构与内流场重点实验室，陕西西安 710072,北京动力机械研究所，北京 100074,北京动力机械研究所，北京 100074,北京动力机械研究所，北京 100074,北京动力机械研究所，北京 100074

发布日期:2021-08-15
作者简介:聂聆聪，男，博士，高级工程师，研究领域为飞行器控制，发动机控制技术。

Study on Mode Transition Multi-Variable Control for Turbine-Based Combined Cycle Engine

Beijing Power Machinery Institute，Beijing 100074，China,Beijing Power Machinery Institute，Beijing 100074，China; Science and Technology on Combustion，Internal Flow and Thermal-Structure Laboratory， Northwestern Polytechnical University，Xi’an 710072，China,Beijing Power Machinery Institute，Beijing 100074，China,Beijing Power Machinery Institute，Beijing 100074，China,Beijing Power Machinery Institute，Beijing 100074，China and Beijing Power Machinery Institute，Beijing 100074，China

Published:2021-08-15

摘要/Abstract

摘要： 为解决串联式涡轮冲压组合发动机在涡轮模态与冲压模态转换过程中的推力及流量连续控制问题，在基于EKF的在线发动机实时模型基础上，提出了基于推力控制的串联式涡轮冲压组合发动机控制规律。通过发动机内推力、总空气流量、风扇空气流量、风扇喘振裕度等多参数的闭环控制，实现涡轮冲压组合发动机的稳定模态转换。仿真分析表明，模态转换过程中推力稳态控制误差不超过2.1%，流量稳态控制误差不超过3%，模态转换过程中推力瞬态波动不超过9%，空气流量瞬态波动不超过7.6%。

关键词: 涡轮冲压组合发动机；模态转换；多变量控制

Abstract: In order to solve the thrust and air flow control problem in the transition process between turbine mode and ramjet mode for series turbine-based combined cycle engine，the direct thrust control schedule was designed based on EKF airborne engine real-time model. To guarantee the stability and continuity on mode transition process，the multivariable controller for mode transition is designed to control the engine thrust，the fan air flow，the total air flow and the fan surge margin. Simulation results show that the thrust error was lower than 2.1% and the air flow error was lower than 3% during mode transition. The thrust transient fluctuations were lower than 9% and the air flow transient fluctuations were lower than 7.6% during mode transition.

Key words: Turbine-based combined cycle engine；Mode transition；Multi-variable control

聂聆聪,李岩,戴冬红,姜渭宇,侯营东,吴智锋. 涡轮冲压组合发动机模态转换多变量控制研究[J]. 推进技术, 2017, 38(5): 968-974.

NIE Ling-cong¹,LI Yan^1,2,DAI Dong-hong¹,JIANG Wei-yu¹,HOU Ying-dong¹,WU Zhi-feng¹. Study on Mode Transition Multi-Variable Control for Turbine-Based Combined Cycle Engine[J]. Journal of Propulsion Technology, 2017, 38(5): 968-974.

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