Evaluation device, computer program, and evaluation method
AssigneeGS Yuasa International Ltd.
InventorNan Ukumori
Life of this patent
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Abstract
This evaluation device comprises: a mathematical model acquisition unit that acquires a mathematical model expressing the state of a power storage element; an operation data acquisition unit that acquires operation data which includes time-series input data input during operation of a system constructed on the basis of the numerical model, and time-series output data output by the system on the basis of the time-series input data; a processing unit that inputs the time-series input data to the numerical model and executes processing causing time-series model output data to be output from the numerical model; and an evaluation unit that evaluates the design and the operation of the system on the basis of the time-series output data and the time-series model output data.
Claims11
An evaluation device of a system that uses an energy storage device, the evaluation device comprising:
- a mathematical model acquisition unit that acquires a mathematical model expressing a state of an energy storage device;
- an operation data acquisition unit that acquires operation data including time-series input data input during operation of a system, which is constructed based on the mathematical model, and time-series output data output by the system based on the time-series input data;
- a processing unit that executes processing of inputting the time-series input data to the mathematical model and outputting time-series model output data from the mathematical model;
- an evaluation unit that evaluates design or operation of the system based on the time-series output data and the time-series model output data;
- a comparison value calculation unit that calculates comparison value time-series data indicating a comparison value between the time-series output data and the time-series model output data;
- and
- a determination unit that determines, based on the calculated comparison value time-series data, existence of an abnormal event generated by either an abnormality in an energy storage device used in the system or an environment of the energy storage device.
A computer program product, stored on a computer readable medium and comprising instructions that when executed by one or more computers cause the one or more computers to:
- acquire a mathematical model expressing a state of an energy storage device;
- acquire operation data including time-series input data input during operation of a system, which is constructed based on the mathematical model, and time-series output data output by the system based on the time-series input data;
- input the time-series input data to the mathematical model and outputting time-series model output data from the mathematical model;
- evaluate design or operation of the system based on the time-series output data and the time-series model output data;
- calculate comparison value time-series data indicating a comparison value between the time-series output data and the time-series model output data;
- and
- determine, based on the calculated comparison value time-series data, existence of an abnormal event generated by either an abnormality in an energy storage device used in the system or an environment of the energy storage device.
An evaluation method for evaluating a system, the evaluation method comprising:
- acquiring a mathematical model expressing a state of an energy storage device from a business operator of a system that uses the energy storage device;
- acquiring, from the business operator, operation data including time-series input data input during operation of the system, which is constructed based on the mathematical model, and time-series output data output by the system based on the time-series input data;
- executing processing of incorporating the mathematical model in a computer, inputting the time-series input data to the mathematical model, and outputting time-series model output data from the mathematical model;
- evaluating design or operation of the system based on the time-series output data and the time-series model output data;
- calculating comparison value time-series data indicating a comparison value between the time-series output data and the time-series model output data;
- and
- determining, based on the calculated comparison value time-series data, existence of an abnormal event generated by either an abnormality in an energy storage device used in the system or an environment of the energy storage device.
Dependencies are inferred from the claim text.