Hybrid power automobile oil consumption theoretical calculation and analysis method

A hybrid electric vehicle, theoretical calculation technology, applied in the direction of calculation, electrical digital data processing, design optimization/simulation, etc., can solve the problem of imperfect theoretical calculation and analysis methods, lack of quantitative analysis basis for microscopic details of fuel consumption, and inability to quickly realize theoretical calculation. And other issues

Inactive Publication Date: 2018-08-10
JILIN UNIV
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Problems solved by technology

[0006] The present invention aims to solve the problems in the prior art that the theoretical calculation and analysis method of fuel consumption of hybrid electric vehicles is not perfect, the theoretical calculation cannot be quickly realized in the early development and design process of hybrid electric vehicles, and the basis for quantitative analysis of microscopic details of fuel con

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  • Hybrid power automobile oil consumption theoretical calculation and analysis method
  • Hybrid power automobile oil consumption theoretical calculation and analysis method
  • Hybrid power automobile oil consumption theoretical calculation and analysis method

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Embodiment

[0215] This embodiment is based on a planetary power-split hybrid electric vehicle to verify the effectiveness of the fuel consumption theoretical calculation and analysis method proposed by the present invention.

[0216] refer to image 3 , this embodiment is analyzed based on the configuration of a planetary power-split hybrid power system of a bus platform. The planetary configuration has the capability of double decoupling of speed and torque, and can control the engine at the optimal working curve to obtain better economic performance.

[0217] refer to Figure 4 , under the working conditions of typical cities in China, the actual simulated fuel consumption of hybrid electric vehicles is basically consistent with the fuel consumption results obtained by using the theoretical calculation method for fuel consumption of hybrid electric vehicles according to the present invention, and the calculation error is less than 0.01%, which shows that the hybrid electric vehicle de...

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Abstract

The invention discloses a hybrid power automobile oil consumption theoretical calculation and analysis method and aims to solve the problems, in the prior art, that a hybrid power automobile oil consumption theoretical calculation and analysis method is not complete, theoretical calculation cannot be rapidly achieved in the former hybrid power automobile development and design process, and in addition microscopic and detailed oil consumption quantification analysis bases are not available. The method comprises the following steps: I, performing hybrid power automobile oil consumption theoretical calculation, namely 1) classifying hybrid power automobile function modules and energy flow nodes, 2) performing energy flow calculation on different nodes of a hybrid power automobile system, 3) performing average comprehensive transmission efficiency of the hybrid power automobile system, and 4) establishing a hybrid power automobile oil consumption theoretical calculation model; II, analyzing hybrid power automobile oil consumption influence factors, namely 1) establishing a hybrid power automobile oil consumption increment calculation model, and 2) performing quantitative analysis on hybrid power automobile oil consumption influence factors, and achieving detail quantitative analysis on hybrid power automobile oil consumption influence factors.

Description

technical field [0001] The invention relates to a method for theoretical calculation and analysis of fuel consumption of a vehicle, more precisely, the invention relates to a method for theoretical calculation and analysis of fuel consumption of a hybrid vehicle. Background technique [0002] As a transitional vehicle from traditional vehicles to electric vehicles, hybrid vehicles can effectively alleviate the environmental pollution and energy crisis caused by the development of the automobile industry, and have developed rapidly in recent years. Compared with traditional vehicles, hybrid vehicles have added power batteries, motors, generators and other devices, and major changes have taken place in the power system and transmission system of the vehicle, and its fuel consumption test and evaluation have also changed compared with traditional vehicles. [0003] For the fuel consumption analysis of hybrid electric vehicles, the current technology mainly uses simulation analy...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/15G06F30/20G06F2111/10
Inventor 曾小华李广含宋大凤王振伟杨南南王越刘通孙可华董兵兵
Owner JILIN UNIV
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