基于人工蜂群算法的航空发动机试验性能评定方法
Performance evaluation method of aero-engine test based on artificial bee colony algorithm
为了提升航空发动机整机试验环境下部件性能评定的精度,提出一种基于人工蜂群(artificial bee colony,ABC)算法的航空发动机整机试验部件性能优化评定方法。将待评定部件性能参数作为输入变量,利用航空发动机总体性能仿真模型结合人工蜂群算法优化得到满足试验测试参数精度的最优待评定部件性能参数集合。利用该方法对某核心机试验环境下的部件性能进行评定。结果表明,评定后参数与测试值的偏离度保持在0.95%以内,表明该评定方法具有较高的有效性和工程实用性。在多工况优化过程中,为平衡全转速评定的精度,会使最大偏离差增大约0.1%,但通过引入优化约束的方法提升性能评定的真实性,降低测试不确定度对性能评定的影响,同时优化过程中获取了核心机不同进气温度环境下部件性能的修正特性。
In order to improve the accuracy of component performance evaluation under a whole-engine test environment for aero-engine,a performance optimization and evaluation method was proposed for aero-engine components based on the artificial bee colony algorithm. This method took the performance parameters of the components to be evaluated as input variables. It utilized an overall aero-engine performance simulation model combined with the ABC algorithm to optimize and obtain the optimal set of performance parameters for the components to be evaluated, ensuring compliance with the accuracy requirements of the test parameters. This method was applied to evaluate the component performance under the test environment of a core engine. The results show that the deviation between the evaluated parameters and the measured values remains within 0.95%, demonstrating the high effectiveness and engineering practicability of the evaluation method. During the multi-operating condition optimization process, to balance the accuracy of the entire speed range, the maximum deviation increases by approximately 0.1%. But the introduction of solution constraints enhances the authenticity of the performance evaluation and reduces the impact of test uncertainties on the performance evaluations. Meanwhile, the correction characteristics of component performance under different inlet temperature environments of the core engine are obtained in the optimization process.
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中国航发集团自主创新项目(ZZCX-2024-003)
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