Calibration system, method and medium for economy of pure electric vehicle based on hardware-in-the-loop

By building a calibration system for the economical calibration of pure electric vehicles in the hardware ring system, and using controller models, vehicle models, etc. for integrated closed-loop debugging, the problem of economical calibration of pure electric vehicles in the existing technology depends on real vehicles, and efficient calibration and simplified platform transplantation testing are achieved.

CN115185254BActive Publication Date: 2025-03-25DONGFENG MOTOR GRP
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Patent Information

Application Number
CN202210825411.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-13
Publication Date
2025-03-25
Estimated Expiration
2042-07-13

AI Technical Summary

Technical Problem

The economic calibration work of existing pure electric vehicles depends on actual vehicles, resulting in an extended development cycle. The existing plan separates calibration from testing, increasing costs.

Method used

The existing hardware-based calibration system for the economical calibration system for the whole vehicle of pure electric vehicles, including controller model, vehicle model, environmental model, battery motor model and transmission system model, these models are established through MATLAB, and integrated closed-loop debugging is carried out in the hardware-based testing system.

Benefits of technology

It realizes the complete vehicle calibration work in the hardware in the ring system in advance, reduces the demand for actual vehicle testing, improves calibration efficiency, and simplifies platform transplantation testing through centralized management of calibration points.

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Abstract

The present invention discloses a calibration system, method and medium for the economy of a pure electric vehicle based on hardware-in-the-loop, which includes a controller model, a vehicle model, an environmental model, a battery motor model and a transmission system model running in a hardware-in-the-loop test system. On the existing hardware-in-the-loop system, a set of economy calibration system for pure electric vehicles is built, and the calibration work of the whole vehicle is advanced. After the calibration work is completed, the strategy verification of the controller under test is directly carried out in the existing hardware-in-the-loop system. The front and rear wheel torque distribution ratio that affects the economy in the controller model is placed in the motor model, and the energy loss strategy that affects the economy in the vehicle model is placed in the transmission system model. There is no calibration point in the environmental model. The system established in this way concentrates the calibration points in a few two models, which can be centrally managed and convenient for platform transplantation testing.
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