基于DoE的涡轮增压器压气机优化方法的比较

陈沁青; 倪计民; 王琦玮; 石秀勇; 杜倩颖

doi:10.3969/j.issn.1001-2222.2020.03.006

车用发动机 ›› 2020, Vol. 0 ›› Issue (3) : 36. DOI: 10.3969/j.issn.1001-2222.2020.03.006

栏目

基于DoE的涡轮增压器压气机优化方法的比较

陈沁青，倪计民，王琦玮，石秀勇，杜倩颖

作者信息 +

Comparison of Different Optimization Methods for Turbocharger Compressor Based on DoE

CHEN Qinqing,NI Jimin,WANG Qiwei,SHI Xiuyong,DU Qianying

Author information +

文章历史 +

摘要

为实现涡轮增压器压气机的全工况性能优化，提出了类MAP全工况优化方法，将优化工况点均匀分布在压气机低中高这3个特征转速上，通过对有限个特征工况点的优化实现压气机全工况性能可控。为证明类MAP压气机优化方法的必要性和有效性，以某压气机作为优化实例，同时应用传统的单工况和单一转速多工况优化方法，与其作对比。首先根据压气机优化流程，分别从优化工况点、优化目标、优化方案、近似模型以及多目标寻优这5个方面阐释类MAP全工况优化方法的差异与优势。然后将不同优化方法和方案应用于具体实例，由优化结果对比可知，类MAP优化方法可以实现对性能MAP上各工况点性能更高的控制度，通过各性能优化目标的设定和权重的分配，使各特征工况点性能朝着预想的方向调整，最终实现预期的全工况性能优化目标。最后，通过仿真计算和试验台架验证了类MAP全工况优化方法的可行性。

Abstract

In order to realize the turbocharger compressor optimization under full operating condition, PseudoMAP compressor optimization method was proposed. The optimization was conducted at three characteristic rotating speeds which represented low, medium and high speed respectively so as to control full performance by limited characteristic operating points. The method was then compared with single operating point and singlespeed multipoint optimization methods to prove its necessity and effectiveness. The differences and advantages of PseudoMAP optimization method were first explained from the aspects of optimization operating point, optimization target, optimization scheme, approximate model, and multiobjective optimization method according to the compressor optimization process. Different optimization methods and schemes were then applied to a specific compressor. According to the optimization results, it could be seen that the PseudoMAP optimization method could achieve a higher control degree of performance at each operating point. Through the setting of optimization targets and the allocation of weights, the performance of each characteristic operating point adjusted in the expected direction, and finally the optimization of full operating condition performance could be achieved. In the end, the feasibility of PseudoMAP optimization method at full operating condition was verified by simulation and bench test.

导出引用

陈沁青，倪计民，王琦玮，石秀勇，杜倩颖. 基于DoE的涡轮增压器压气机优化方法的比较[J]. 车用发动机. 2020, 0(3): 36 https://doi.org/10.3969/j.issn.1001-2222.2020.03.006

CHEN Qinqing,NI Jimin,WANG Qiwei,SHI Xiuyong,DU Qianying. Comparison of Different Optimization Methods for Turbocharger Compressor Based on DoE[J]. Vehicle Engine. 2020, 0(3): 36 https://doi.org/10.3969/j.issn.1001-2222.2020.03.006