Engine emission modeling method and device, electronic equipment and storage medium

By using the pre-oxygen signal for data alignment in the engine emission model, the problem of EMS data lag was solved, improving model accuracy and development efficiency, and reducing the number of prototype vehicle tests.

CN115758582BActive Publication Date: 2026-06-12GUANGZHOU AUTOMOBILE GROUP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGZHOU AUTOMOBILE GROUP CO LTD
Filing Date
2022-11-22
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

In existing engine emission modeling methods, there is a lag between the data collected by EMS and the emission data, which makes it impossible to accurately establish the data correspondence, resulting in low model accuracy and an inability to accurately reflect engine emissions.

⚗Method used

By acquiring engine status and emission information, and using the pre-oxygen signal for data alignment processing, including format conversion and time delay correction, an accurate data correspondence is established to perform engine emission modeling.

🎯Benefits of technology

It improves the accuracy of engine emission models, reduces errors during model verification, accurately reflects engine emissions, reduces the number of prototype vehicle tests, and improves development efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides an engine emission modeling method and device, electronic equipment and storage medium. The method comprises: obtaining engine state information and emission information; wherein the engine state information comprises a pre-oxygen signal; performing data alignment processing on the engine state information and the emission information according to the pre-oxygen signal; and performing engine emission modeling based on the engine state information and the emission information subjected to data alignment processing. The technical scheme of the embodiment of the application makes the engine state information and the emission information correspond to each other, realizes integration of data, and improves the accuracy of an engine emission model obtained by engine emission modeling.
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