通用电机起动控制器(Common Motor Starter Controller, CMSC)作为多电飞机机电驱动控制系统的重要设备,提升其安全性对确保飞机持续适航具有重要意义。以CMSC的电动泵模式为研究对象,开展了工作原理分析与模块划分,基于UPPAAL软件进行...通用电机起动控制器(Common Motor Starter Controller, CMSC)作为多电飞机机电驱动控制系统的重要设备,提升其安全性对确保飞机持续适航具有重要意义。以CMSC的电动泵模式为研究对象,开展了工作原理分析与模块划分,基于UPPAAL软件进行形式化建模,实施系统理论过程分析(System-Theoretic Process Analysis, STPA);识别子系统之间的不安全控制行为和潜在危险致因,基于模型的活性验证与失效注入实验,进行致因场景修正,最终构建出较为完善的安全控制约束清单。实验结果表明,所提方法有助于CMSC的安全性分析,利用形式化建模有助于减少人为主观因素的干扰,模型运行处理效率较高;致因场景分析结果表明,所建立的安全约束清单准确,能有效覆盖失效场景。展开更多
Permanent magnet synchronous motor based electro-mechanical actuation servo drives have widespread applications in the aviation field,such as unmanned aerial vehicle electric servos,electric cabin doors,and mechanical...Permanent magnet synchronous motor based electro-mechanical actuation servo drives have widespread applications in the aviation field,such as unmanned aerial vehicle electric servos,electric cabin doors,and mechanical arms.The performance of the servo drive,which encompasses the response to the torque,efficiency,control bandwidth and the steady-state positioning accuracy,significantly influences the performance of the aviation actuation.Consequently,enhancing the control bandwidth and refining the positioning accuracy of aviation electro-mechanical actuation servo drives have emerged as a focal point of research.This paper investigates the multi-source disturbances present in aviation electro-mechanical actuation servo systems and summarizes recent research on high-performance servo control methods based on active disturbance rejection control(ADRC).We present a comprehensive overview of the research status pertaining to servo control architecture,strategies for suppressing disturbances in the current loop,and ADRC-based strategies for the position loop.We delineate the research challenges and difficulties encountered by aviation electro-mechanical actuation servo drive control technology.展开更多
文摘通用电机起动控制器(Common Motor Starter Controller, CMSC)作为多电飞机机电驱动控制系统的重要设备,提升其安全性对确保飞机持续适航具有重要意义。以CMSC的电动泵模式为研究对象,开展了工作原理分析与模块划分,基于UPPAAL软件进行形式化建模,实施系统理论过程分析(System-Theoretic Process Analysis, STPA);识别子系统之间的不安全控制行为和潜在危险致因,基于模型的活性验证与失效注入实验,进行致因场景修正,最终构建出较为完善的安全控制约束清单。实验结果表明,所提方法有助于CMSC的安全性分析,利用形式化建模有助于减少人为主观因素的干扰,模型运行处理效率较高;致因场景分析结果表明,所建立的安全约束清单准确,能有效覆盖失效场景。
基金supported by the National Natural Science Foundation of China(Nos.52177059 and 52407064).
文摘Permanent magnet synchronous motor based electro-mechanical actuation servo drives have widespread applications in the aviation field,such as unmanned aerial vehicle electric servos,electric cabin doors,and mechanical arms.The performance of the servo drive,which encompasses the response to the torque,efficiency,control bandwidth and the steady-state positioning accuracy,significantly influences the performance of the aviation actuation.Consequently,enhancing the control bandwidth and refining the positioning accuracy of aviation electro-mechanical actuation servo drives have emerged as a focal point of research.This paper investigates the multi-source disturbances present in aviation electro-mechanical actuation servo systems and summarizes recent research on high-performance servo control methods based on active disturbance rejection control(ADRC).We present a comprehensive overview of the research status pertaining to servo control architecture,strategies for suppressing disturbances in the current loop,and ADRC-based strategies for the position loop.We delineate the research challenges and difficulties encountered by aviation electro-mechanical actuation servo drive control technology.
