One-dimensional joint simulation modeling method for thermal management system of hybrid electric vehicle

A hybrid electric vehicle and thermal management system technology, applied in the direction of electric digital data processing, special data processing applications, instruments, etc., can solve the problems of conservative thermal management system design and inability to truly reflect the characteristics of the vehicle thermal management system

Pending Publication Date: 2022-03-25
中汽研(常州)汽车工程研究院有限公司
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Problems solved by technology

Steady-state simulation cannot truly reflect the characteristics of the vehicle thermal mana

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  • One-dimensional joint simulation modeling method for thermal management system of hybrid electric vehicle
  • One-dimensional joint simulation modeling method for thermal management system of hybrid electric vehicle
  • One-dimensional joint simulation modeling method for thermal management system of hybrid electric vehicle

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[0057] The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and only illustrates the basic structure of the present invention in a schematic manner, so it only shows the structure related to the present invention.

[0058] like figure 1 and figure 2 As shown, a one-dimensional simulation modeling method of a hybrid electric vehicle thermal management system of the present invention includes the following modeling processes:

[0059] (1) Establish a one-dimensional simulation model of hybrid vehicle energy management

[0060] (1) The one-dimensional model of vehicle energy management of hybrid electric vehicle mainly includes power drive system model and electrical system model, which can not only simulate and analyze the power and economy of the vehicle, but also simulate the energy flow distribution of the vehicle. The model provides input boundaries for the simulation of vehicle ...

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Abstract

The invention provides a hybrid electric vehicle thermal management system one-dimensional simulation modeling method. Comprising a power driving system model, an electrical system model, an engine cooling system model, a power battery thermal management system model, a motor electric control cooling system model, an air conditioning system model, a passenger compartment model, a vehicle energy management control model, a thermal management system control model and the like. According to the coupling relation of energy management and heat management of the whole vehicle, the simulation models of all the systems and the simulation models of the control modules are integrated by combining the transmission paths of energy flow and heat flow of the whole vehicle, control logic and the like, and a one-dimensional joint simulation model of the whole vehicle heat management system of the hybrid electric vehicle is constructed; a simulation platform is provided for integrated design, system component model selection matching, comprehensive performance analysis, control strategy optimization, energy consumption and driving range analysis and prediction and the like of a hybrid electric vehicle thermal management system.

Description

technical field [0001] The invention relates to the technical field of automobile simulation, in particular to a one-dimensional joint simulation modeling method for a thermal management system of a hybrid electric vehicle. Background technique [0002] Global environmental pollution and energy crisis have brought severe challenges to the automotive industry. Facing the dual pressure of environmental pollution and resource shortage, new energy vehicles have become the focus of research at home and abroad. Pure electric vehicles have problems such as long charging time, short driving mileage, and poor adaptability to high and low temperature environments, while hybrid electric vehicles have the advantages of low fuel consumption, low pollutant emissions, long driving mileage, and good environmental adaptability. It is a hot spot developed by auto companies at home and abroad. [0003] With the increasing electrification and complexity of hybrid electric vehicles, the correl...

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Application Information

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IPC IPC(8): G06F30/15G06F113/08G06F119/08
CPCG06F30/15G06F2113/08G06F2119/08
Inventor 许翔于镒隆徐露牟连嵩徐俊芳王远张艺伦王丹
Owner 中汽研(常州)汽车工程研究院有限公司
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