A range extender power generation system and control method

CN120308089BActive Publication Date: 2025-11-07江苏致控驱动技术有限公司
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Patent Information

Application Number
CN202510623691.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2025-11-07
Estimated Expiration
2045-05-15

AI Technical Summary

Technical Problem

Existing range-extended electric vehicle power systems often suffer from problems such as motor efficiency failing to cover all operating conditions, complex power control, decoupling between the engine and wheels leading to significant energy conversion losses, complex control that is prone to introducing shift shocks, and insufficient fault diagnosis.

Method used

It adopts dual-motor drive, multi-speed gearbox, intelligent energy management and fault self-diagnosis technology, combined with model predictive control and reinforcement learning to achieve energy distribution optimization and fault detection. Through path condition prediction and health status estimation, it dynamically adjusts the motor operating status, optimizes energy efficiency and ensures system reliability.

Benefits of technology

It improves the energy management efficiency and power performance of range-extended electric vehicles, ensures the vehicle's range and safety in multiple scenarios, reduces energy loss and shift shock, and enables timely fault detection and fault-tolerant control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a range extender power generation system and a control method, and relates to the technical field of power systems.The system comprises an energy storage module, a driving module, a range extender module and a control module, wherein the control module combines model predictive control and reinforcement learning, optimizes energy distribution, enables the system to automatically select an optimal strategy according to different driving conditions, further improves energy utilization efficiency and reduces total energy consumption, and realizes efficient collaborative work of an internal combustion engine, a generator and a driving motor; adaptive gear shifting control is performed based on real-time vehicle conditions, path prediction information and motor efficiency, so that the driving motor is ensured to always work in an efficient area.In addition, the system also has fault diagnosis and fault-tolerant control functions, can detect performance deviation of the engine and the generator in real time, and automatically enters a fault-tolerant mode when a fault occurs, so that the vehicle can be ensured to safely drive to a predetermined location even in a fault condition by cutting off or adjusting engine output.
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Citation Information

Patent Citations

  • Hybrid vehicle online energy management method based on optimal energy flow efficiency

    CN117465412A

  • Regulation and control method, system and equipment for navigation power protection function of range extender and medium

    CN117657106A