Aero-engine maximum thrust control optimization method based on improved simulated annealing algorithm

• Main Authors: GOU LINFENG, YANG RUNQING
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2021
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The invention discloses an aero-engine maximum thrust control optimization method based on the improved simulated annealing algorithm. The simulated annealing algorithm is improved according to the characteristics of an aero-engine, the memory function, the temperature rising or re-temperature-rising process, the search strategy and other aspects of the simulated annealing algorithm are mainly improved, the defects of the simulated annealing algorithm are overcome, the convergence speed is accelerated, and the search result quality is improved. The improved simulated annealing algorithm is used for maximum thrust control optimization, and an optimal control variable is output to the aero-engine. On the premise of ensuring safe operation of the engine, the thrust of the engine can be improved to the maximum extent, and the maneuverability of an aircraft is improved. 本发明提出一种基于改进模拟退火算法的航空发动机最大推力控制优化方法，根据航空发动机的特点，对模拟退火算法进行了改进，主要对模拟退火算法的记忆功能、升温或重升温过程、搜索策略等方面进行了改进，避开其不足，加快收敛速度、提高搜寻结果的质量。将改进模拟退火算法用于最大推力控制寻优，输出最优控制变量