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Method for processing data for drawing equal fuel consumption curve of universal characteristic of diesel engine

A technology with equal fuel consumption curve and universal characteristics, applied in the field of data processing for drawing fuel consumption curve, can solve problems such as universal characteristics that cannot be drawn rules, achieve good consistency and avoid instrument errors.

Active Publication Date: 2015-12-16
CHINA NORTH ENGINE INST TIANJIN
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Problems solved by technology

[0006] In order to overcome the problem that the traditional test data processing method cannot draw regular fuel consumption curves such as universal characteristics, the present invention aims to propose a data processing method for drawing diesel engine universal characteristics and other fuel consumption curves, so that the test data can be processed before being imported into the drawing tool. The data is preprocessed to finally form regular and reasonable fuel consumption curves such as universal characteristics

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  • Method for processing data for drawing equal fuel consumption curve of universal characteristic of diesel engine
  • Method for processing data for drawing equal fuel consumption curve of universal characteristic of diesel engine
  • Method for processing data for drawing equal fuel consumption curve of universal characteristic of diesel engine

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0029] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0030] The processing method of the data used for drawing the fuel consumption curve such as the universal characteristic of the diesel engine of the present invention, such as figure 1 shown, including the following steps:

[0031] Step 1, data sorting based on regularization of rotational speed parameters;

[0032] Divide the measured rotational speed data by 100, round up to an integer and then multiply by 100, so that all the measured rotational speed data are converted into rotational speed values ​​that are integral multiples of 100;

[0033] Delete the speed value data greater than the calibrated speed value and less than the idle speed value, classify the speed value data accor...

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Abstract

The invention provides a method for processing data for drawing an equal fuel consumption curve of a universal characteristic of a diesel engine. The method comprises the following multiple steps of: 1) data arrangement based on rotational speed parameter regularization; 2) descending sorting of data according to a principle of first-rotational speed and last-torque; 3) torque percent calculation and irregular data deletion at each rotational speed; 4) exception judgment and deletion of fuel consumption rate data; 5) torque based fuel consumption value trend fitting and interpolation replacement; and 6) data forming. Compared to the prior art, the method has the following advantages: the data for invalidly drawing the equal fuel consumption curve can be deleted, so that irregular change of a fuel consumption rate value caused by instrument errors is avoided and convenience is provided for various drawing tools to draw a more reasonable equal fuel consumption curve with relatively good consistency.

Description

technical field [0001] The invention belongs to the technical field of diesel engine bench tests, and in particular relates to a data processing method for drawing fuel consumption curves such as universal characteristics of diesel engines. Background technique [0002] The load characteristic test at different speeds is carried out on the diesel engine test bench and the data is collected, that is, the universal characteristic test data is generated, and the contour curve of the speed, torque, and fuel consumption rate is drawn to obtain the fuel consumption curve of the diesel engine. [0003] At present, there are many tools for drawing constant fuel consumption curves, such as MATLAB, ORIGIN, EXCEL, AUTOCAD, UNIPLOT, etc. On the one hand, these tools and software provide convenience for drawing constant fuel consumption curves, and on the other hand, they can also realize the speed, torque, and fuel consumption rate data. To the drawing function of fuel consumption curve...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 冀树德闫瑞琦邬旭宏张德元张伟
Owner CHINA NORTH ENGINE INST TIANJIN
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