Hybrid power system control and operation strategies based on power system state vector calculations

CN114645773BActive Publication Date: 2026-06-05CATERPILLAR INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CATERPILLAR INC
Filing Date
2021-12-08
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Optimizing the efficiency and available energy flow paths of existing hybrid power systems under different states presents challenges in terms of complexity and computational intensity, and the coordinated control of different energy devices is difficult to achieve efficiently.

Method used

By receiving state data of energy devices in a hybrid power system, the power system state vector is calculated, and an energy flow request is generated based on this. Electronic control drives the linkage mechanism to adjust the energy flow path, and the energy flow control is optimized by combining the stored data array.

Benefits of technology

It enables efficient energy flow management of hybrid power systems under different conditions, optimizes energy utilization and system efficiency, adapts to transient load changes, and improves system flexibility and control accuracy.

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Abstract

Controlling a hybrid power system includes calculating a power system state vector based on an energy demand and a stored data array including a matrix defined by a power system hardware configuration. The control further includes generating a power request based on the power system state vector, and using a drive linkage in the hybrid power system to change energy flow between energy devices based on the power request. Related apparatus, control logic, and controller structures are disclosed.
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