中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2014, Vol. 33 ›› Issue (2): 138-141.DOI: 10.3969/j.issn.1674-0696.2014.02.31

• • 上一篇    下一篇

基于等参变换的发动机负荷特性插值方法研究

朱江苏,刚宪约,柴 山   

  1. 山东理工大学 交通与车辆工程学院,山东 淄博 255049
  • 收稿日期:2012-12-01 修回日期:2013-05-23 出版日期:2014-04-15 发布日期:2015-01-22
  • 作者简介:朱江苏(1984—),男,山东潍坊人,硕士研究生,主要从事车辆动力学的研究。E-mail:zxsme@163.com。

Extrapolation Method of Motor Load Characteristic Based on Isoparametric Transformation Interpolation Method

Zhu Jiangsu, Gang Xianyue, Chai Shan   

  1. School of Traffic and Vehicle Engineering ,Shandong University of Technology, Zibo 255049, Shandong,China
  • Received:2012-12-01 Revised:2013-05-23 Online:2014-04-15 Published:2015-01-22

摘要: 发动机负荷特性实验数据是计算汽车负荷特性的重要参数。利用负荷特性实验数据,建立了等参变换插值法的数学模型,得到了汽车在任意工况下的负荷特性(包括负荷燃油特性和负荷排放特性);利用发动机在怠速工况时单位时间内的燃油消耗率数据,通过外插法得到了发动机在怠速和输出扭矩为0时单位时间内的燃油消耗率;通过实例验证了计算模型推导和建立的有效性。

关键词: 车辆工程, 负荷特性, 外插法, 等参变换插值法

Abstract: The experimental data of engine load characteristics were important parameters for motor load characteristics. By using the experimental data of load characteristics , the mathematical modal of isoperimetric transformation interpolation method was established , and the vehicle load characteristics in the arbitrarily condition were calculated (including the fuel properties and emission characteristics of the load). Using the fuel consumption rate of the engine in the unit Lime in the idling condition , the values of fuel consumption rate in the idling condition and in the condition that the output torque was zero were obtained by extrapolation method. The validit)' of the calculation model' s deduce and establishment was verified by the case study.

Key words: vehicle engineering, load characteristic, extrapolation method, isoparametric transfonnation interpolation method

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