基于多传感信息融合技术的航空发动机喘振控制系统设计
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2023年度陕西高等职业教育教学改革研究项目“高职院校制造类专业多元协同文化育人的探索与实践”(项目编号:23GY076)


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    摘要:

    喘振是航空发动机在特定工况下出现的一种非稳定现象,表现在飞机进行大迎角爬升过程中,发动机设备的流量、压力等参数发生周期性的明显波动。当前单一传感器数据无法全面捕捉到发动机所有关键的性能参数,导致喘振误判、消喘失败等问题。为了提升航空发动机喘振控制性能,利用多传感信息融合技术,优化设计航空发动机喘振控制系统。加设振动、温度等多个传感器设备,改装数据处理器和喘振控制器,通过系统连接电路的调整,实现硬件系统的优化。分析航空发动机工作过程的模拟结果,确定传感器的安装位置,在多传感信息融合技术支持下,采集航空发动机多方面的工作数据,通过特征提取与匹配,实现航空发动机喘振状态的监测。针对存在喘振现象的发动机,求解其控制目标,通过控制量计算、控制指令生成与执行等步骤,实现系统的航空发动机喘振控制。通过测试实验得出结论:在巡航、爬升、着陆三种工况下,与传统控制系统相比,优化设计系统的航空发动机的喘振裕度明显提升,即优化设计系统具有更优的喘振控制效果。

    Abstract:

    Surge is an unstable phenomenon that occurs in aircraft engines under specific operating conditions, characterized by periodic and significant fluctuations in parameters such as flow and pressure of engine equipment during high angle of attack climb. The current single sensor data cannot fully capture all key performance parameters of the engine, resulting in issues such as misjudgment of surge and failure of anti surge. In order to improve the performance of aircraft engine surge control, multi-sensor information fusion technology is used to optimize the design of aircraft engine surge control system. Add multiple sensor devices such as vibration and temperature, modify data processors and surge controllers, and optimize the hardware system by adjusting the system connection circuit. Analyze the simulation results of the working process of aircraft engines, determine the installation position of sensors, and collect various working data of aircraft engines with the support of multi-sensor information fusion technology. Through feature extraction and matching, monitor the surge state of aircraft engines. For engines with surge phenomenon, the control objective is solved, and the system"s aviation engine surge control is achieved through steps such as control quantity calculation, control instruction generation and execution. Through testing experiments, it is concluded that compared with traditional control systems, the optimized design system significantly improves the surge margin of the aircraft engine under cruise, climb, and landing conditions, indicating that the optimized design system has a better surge control effect.

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曹蕊.基于多传感信息融合技术的航空发动机喘振控制系统设计计算机测量与控制[J].,2025,33(12):111-117.

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  • 收稿日期:2024-11-19
  • 最后修改日期:2024-12-25
  • 录用日期:2025-01-02
  • 在线发布日期: 2025-12-24
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