Optimal scheduling strategy optimization method for electric ship and related equipment

By constructing an optimization model for uncertainties in photovoltaic power and charging costs, the energy management problem of electric ships under uncertain factors was solved, thereby improving the safety and economy of energy supply for electric ships.

CN121072839BActive Publication Date: 2026-06-02SHENZHEN INSTITUTE OF INFORMATION TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN INSTITUTE OF INFORMATION TECHNOLOGY
Filing Date
2025-08-18
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Electric ships face uncertainties in actual navigation, such as fluctuations in solar irradiance and time-varying port charging electricity prices. This results in poor economic efficiency and low safety of existing dispatching schemes, which cannot effectively cope with adverse situations such as low photovoltaic output or high port electricity prices.

Method used

An optimization model that comprehensively considers the uncertainties of photovoltaic power and charging costs is constructed and solved. By accurately modeling the photovoltaic power function and operating cost function of the photovoltaic module, an optimization model for uncertain operating costs is generated, and the optimized generator set, battery energy storage system and navigation state parameters are obtained by solving the model.

Benefits of technology

It improves the robustness of energy management for electric ships, ensures energy supply security, avoids the risk of energy shortages, reduces extremely high operating costs, and significantly improves the economy of the entire voyage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The optimal scheduling strategy optimization method and related equipment of the electric ship are provided, the electric ship includes a photovoltaic assembly, a plurality of generator sets and a battery energy storage system, the method comprises the following steps: obtaining a photovoltaic power function of the photovoltaic assembly based on the running environment parameters of the electric ship in the sailing process; obtaining a running cost function based on the generator set parameters of each generator set, the system state parameters of the battery energy storage system and the charging cost and charging parameters of the electric ship in the port; obtaining sailing scheduling constraints and energy scheduling constraints based on the sailing state parameters of the electric ship, the system running parameters of the battery energy storage system, the photovoltaic power function; generating an uncertainty running cost optimization model according to the running cost function, the sailing scheduling constraints and the energy scheduling constraints based on the uncertainty of the photovoltaic power function and the charging cost; solving the uncertainty running cost optimization model to obtain an optimization decision, which significantly improves the overall economy of the electric ship in the whole voyage.
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