A control method for hybrid electric vehicles based on digital twin technology

Abstract

The present invention relates to a control method for a hybrid electric vehicle based on digital twin technology. The method first builds a hybrid electric vehicle digital twin cloud virtual model that matches a physical entity (hybrid electric vehicle) on a cloud simulation platform based on digital twin technology And the simulation working environment is configured to be consistent with the actual working environment of the physical entity, and then the digital twin cloud storage computing platform dynamically collects the physical data generated by the operation of the physical entity and the virtual data generated by the operation of the cloud virtual model in real time, and performs data analysis and fusion processing , and then compare the data processing results with the current hybrid vehicle operating data in real time and update the attribute characteristics of the cloud virtual model in real time, and obtain the corresponding optimal control strategy of the latest model based on the calibration performance of the physical entity and the current state combined with the cloud online simulation technology. The optimal control strategy is input into the physical entity to automatically change the operation control of the hybrid electric vehicle, and realize the dynamic optimal control as a whole.

Description

technical field [0001] The invention relates to the technical field of management and control of hybrid electric vehicles, in particular to a management and control method for hybrid electric vehicles based on digital twin technology. Background technique [0002] A hybrid vehicle is equipped with an engine and an electric motor as a driving source for driving the vehicle. Unlike pure electric vehicles, which are limited by the performance of the power battery, the mileage is limited. Hybrid vehicles can satisfy human daily life like traditional fuel vehicles. Travel needs. Modern hybrid vehicles mainly use the engine to burn fossil fuels (gasoline, diesel, compressed natural gas, etc.) or other types of fuel as a power source, and use batteries (fuel cells, super capacitors, etc.) The vehicle provides power to drive the vehicle. As a complex multidisciplinary product, the hybrid electric vehicle integrates many basic disciplines such as materials, machinery, electricity, ...

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a digital-based system for the problems of low work efficiency, untimely management and control, inability to detect and warn some potential dangers in advance, and inability to manage and control hybrid vehicles in real time in the traditional method by adding a special vehicle management system. The management and control method of hybrid electric vehicles based on twin technology, which innovatively introduces digital twin technology, and builds a hybrid electric vehicle digital twin cloud virtual model that is completely consistent with hybrid electric vehicles, respectively in the actual working environment and the simulated working environment. Synchronously monitor the operating data of the two hybrid electric vehicle systems, collect, analyze and process the operating data of the two systems, dynamically monitor the operating data of the two systems, and dynamically update the digital twin cloud virtual model of the hybrid electric vehicle to obtain the optimal control strategy , to achieve dynamic management and control of the running state of the hybrid vehicle, effectively improving the overall performance and efficiency of the vehicle

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