基于非等间隔GM模型的船舶柴油机性能参数预测研究  

Prediction of Performance Parameters of Marine Diesel Engine Based on Unequal Interval GM Model

作　　者：肖润 祖象欢 李业鹏 杨传雷[1] XIAO Run;ZU Xiang-huan;LI Ye-peng;YANG Chuan-lei(School of Power and Energy Engineering,Harbin Engineering University,Harbin 150001,China;China State Shipbuilding Corporation Diesel Engine Co.,Ltd.,Qingdao 266520,China)

机构地区：[1]哈尔滨工程大学动力与能源工程学院,哈尔滨150001 [2]中国船舶重工集团柴油机有限公司,青岛266520

出　　处：《内燃机与配件》2021年第23期14-17,共4页Internal Combustion Engine & Parts

摘　　要：针对采样间隔不等时传统GM模型失效问题,以TBD234V12相继增压柴油机为研究对象,分别采用加权处理和等时距变换对原模型进行改进,对两种模型应用于柴油机不同运行参数的预测效果进行了对比研究。试验及仿真验证结果表明:加权处理和等时距变换均能有效改善原模型精度,但是前者效果明显优于后者,不同参数GM模型的预测相对误差最高为4.4%,最低为0.24%。Aiming at the invalidation of traditional GM model when sampling interval is unequal,the TBD234V12 sequential turbocharged diesel engine is taken as the research object.The original model is improved by equal time-distance transformation and weighting method respectively.The prediction effects of the two models applied to different operating parameters of diesel engines are compared.The experimental and simulation results show that both the two methods can effectively improve the accuracy of the original model,but the effect of the former is obviously better than that of the latter,the maximum relative error of GM model with different parameters was 4.4%and the minimum was 0.24%.

关 键 词：柴油机 性能参数 GM预测 非等间隔 

分 类 号：TK427[动力工程及工程热物理—动力机械及工程]