一种电动汽车电驱动系统效率的云计算系统

By combining real-time data acquisition and cloud platform analysis with neural network models, the problem of operating conditions and motor type dependence in the efficiency evaluation of electric drive systems for electric vehicles has been solved, realizing comprehensive, rapid evaluation and universal calculation of the efficiency of electric drive systems.

CN116339988BActive Publication Date: 2026-07-17CHONGQING VEHICLE TEST & RES INST CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING VEHICLE TEST & RES INST CO LTD
Filing Date
2023-03-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies struggle to accurately assess the efficiency of electric drive systems for electric vehicles under different operating conditions and motor types, and the testing methods are time-consuming and lack universality.

Method used

It employs a real vehicle data acquisition module, a cloud platform data computing module, and a storage module. Data is collected in real time through vehicle networking technology, and the data is processed and stored using the cloud platform. A driving condition library, a motor type library, and an electric drive system efficiency MAP library are constructed. Combined with a neural network model, the total power loss of the electric drive system is analyzed, and the electric drive system efficiency MAP is output.

Benefits of technology

It enables a comprehensive evaluation of the efficiency of electric drive systems for electric vehicles under different operating conditions and motor types, improving the universality and efficiency of the calculation and reducing reliance on manufacturer-specific parameters.

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Abstract

本发明涉及一种电动汽车电驱动系统效率的云计算系统,属于电动汽车电驱动系统技术领域。包括实车数据采集模块、云平台数据计算模块和云平台数据存储模块;实车数据采集模块采集整车运行数据和电驱动系统状态数据,利用车联网技术将数据上传至云平台;云平台数据计算模块对获取的数据信息进行处理,分析不同电机在相同工况下的损耗规律,计算电驱动系统总损耗功率,输出电驱动系统效率MAP;云平台数据存储模块存储驾驶工况库、电机类型库及对应的电驱动系统效率MAP库。本发明通过对整车运行数据、电驱动系统状态数据进行收集和计算,输出激烈工况和不同电机类型的电驱动系统效率MAP,补充电驱动系统效率的工况点,提高电驱动系统效率的电机通用性。
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