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<p>A dynamic matching scheme is proposed for low-temperature starting of aviation piston engines with integrated starter generators (ISG), addressing the matching between motor performance and engine starting processes. Firstly, the transient process of the motor dragging the engine is analyzed in terms of resistance torque variations during cyclic starting. Secondly, a new matching method is proposed for the low-temperature starting process of the motor and the engine. The compressed energy storage and inertial energy storage of the piston engine are used to help engine successfully pass the first top dead center (TDC), and matching calculations and matching tests are carried out. Finally, the number of cycles and time taken when the rotational speed reaches 1000 r/min are taken as the evaluation indexes of starting matching. The fewer the cycles taken for the motor to drag the engine to reach the specified rotational speed, the smaller the starting capacity the motor can use to drag the engine to start. The results show that the number of cycles and time taken when starting at the −60° crank angle (CA) until the rotational speed reaches 1000 r/min are both less than those when starting at the 60 °CA and 0 °CA.</p>

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Study on matching method of aviation piston engine and integrated starter generator for low temperature starting

  • 期刊论文

  • 发表日期：

    2026年5月11日

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  • Wei Tian,
  • Pan Sun,
  • Zhiqiang Han,
  • Zinong Zuo,
  • Yunlong Tian,
  • Jia Fang,
  • Yi Wu,
  • Yan Yan,
  • Xueshun Wu

摘要

A dynamic matching scheme is proposed for low-temperature starting of aviation piston engines with integrated starter generators (ISG), addressing the matching between motor performance and engine starting processes. Firstly, the transient process of the motor dragging the engine is analyzed in terms of resistance torque variations during cyclic starting. Secondly, a new matching method is proposed for the low-temperature starting process of the motor and the engine. The compressed energy storage and inertial energy storage of the piston engine are used to help engine successfully pass the first top dead center (TDC), and matching calculations and matching tests are carried out. Finally, the number of cycles and time taken when the rotational speed reaches 1000 r/min are taken as the evaluation indexes of starting matching. The fewer the cycles taken for the motor to drag the engine to reach the specified rotational speed, the smaller the starting capacity the motor can use to drag the engine to start. The results show that the number of cycles and time taken when starting at the −60° crank angle (CA) until the rotational speed reaches 1000 r/min are both less than those when starting at the 60 °CA and 0 °CA.