Intelligent control method for power assembly of hybrid electric vehicle

Abstract

The invention discloses an intelligent control method for a power assembly of a hybrid electric vehicle, and belongs to the technical field of hybrid electric vehicles. The intelligent control method for the power assembly of the hybrid electric vehicle comprises the steps that 1, information is obtained, particularly the hybrid electric vehicle is started, an ECU of each intelligent body in an intelligent control system of the power assembly is initialized electrically, and an engine intelligent body, a motor intelligent body, a storage battery intelligent body and a speed changer intelligent body obtain the respective real-time state information; 2, the information is interacted and a preliminary decision is made, particularly the information of the intelligent bodies is interacted and the preliminary decision is made according to the preset values of the ECUs of the intelligent bodies; 3, the system coordinates a task, particularly task decomposition is carried out on the optimal running mode, adapting to the current working condition of the vehicle, of the power assembly according to a multi-dimensional look-up table or a control strategy of fuzzy reasoning; 4, the task is carried out, particularly the control strategy of the running assembly intelligent bodies amends sub-tasks and controls respective executing mechanisms to be coordinated to finish the control task of the power assembly. The emission performance is improved while the dynamic property and the fuel economy of the vehicle are improved.

Description

technical field [0001] The invention relates to the technical field of hybrid electric vehicle power assembly, and more specifically, relates to an intelligent control method for hybrid electric vehicle power assembly. Background technique [0002] With the increasingly serious problems of energy shortage and environmental pollution, safety, energy saving and environmental protection have become the development direction of future automobile technology, and hybrid electric vehicles have become the first choice for research because of their energy saving and environmental protection. Compared with traditional vehicles, hybrid vehicles can save fuel consumption, reduce emissions, and take into account the advantages of internal combustion engine vehicles and electric vehicles. An intelligent control method will have significant social and economic benefits. [0003] Common powertrain control methods for hybrid electric vehicles are generally based on the universal characteris...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an intelligent control method for the powertrain of a hybrid electric vehicle, which can intelligently select the working mode of the vehicle and the control strategy adapted to the mode according to the driving conditions of the vehicle, and solve the problems of traditional control methods. For the different working modes of the powertrain of hybrid electric vehicles, the single control strategy cannot make all the components of the powertrain work in the best state, resulting in unnecessary waste of energy provided by the engine and battery, and the traditional control system and control method Centralized data processing and centralized execution of control results bring about low data processing efficiency

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