摘要
研究了基于MATLAB语言的柴油机性能试验数据处理与作图的方法。在建立柴油机特性数学模型的基础上,利用MATLAB语言的矩阵运算、三维曲线绘图等强大的数据处理功能,对柴油机性能试验数据进行了曲线、曲面拟合,并绘制了柴油机调速特性曲线及万有特性图。结果表明,该方法具有数据处理精度高、物理意义明显和实用性强等优点,为绘制柴油机特性曲线、研究柴油机性能提供了较好的方法。
Based on MATLAB,a method to process the test data of diesel engine performance and plot diesel engine characteristics is researched in this paper.On the basis of mathematic model of diesel engine performance,by means of MATLAB's high data processing on matrix operation,3-D graphics drawing,the test data of diesel engine performance are fit with the curve and camber.Additionally,the external characteristic curve and universal characteristic curve are drawn.The results show that this method has several advantages such as high precision,intuitiveness,simplicity,strong practicality.It provides a useful method for drawing the diesel engine characteristics map and studying diesel engine performance.
出处
《河南科技大学学报（自然科学版）》
CAS
2006年第4期33-35,54,共4页
Journal of Henan University of Science And Technology:Natural Science
基金
河南省高校杰出人才创新工程项目(2002KYCX010)
河南科技大学青年科研基金项目(2004QN030)
关键词
柴油机
MATLAB语言
数学模型
数据处理
Diesel engine performance
MATLAB langusge
Mathematic model
Data processing
