DETERIORATION FUNCTION CALCULATION DEVICE, DETERIORATION RATE ESTIMATION DEVICE, DETERIORATION RATE ESTIMATION SYSTEM, DETERIORATION FUNCTION CALCULATION METHOD, DETERIORATION RATE ESTIMATION METHOD, AND PROGRAM

摘要

The deterioration function calculation device includes: a storage unit which stores the running time of the secondary battery during the use in association with the deterioration rate of the secondary battery during the running time; an equivalent coefficient calculation unit which calculates an equivalent coefficient for normalizing the running time, on the basis of values related to the use; an equivalent running time calculation unit which calculates an equivalent running time on the basis of the running time and the equivalent coefficient related to the use related to the running time; and a deterioration function calculation unit which calculates a deterioration function representing a relationship between the equivalent running time and the deterioration rate.

主权项

1. A deterioration function calculation device comprising:
a storage unit configured to associate and store running times of a secondary battery in previous operations of the secondary battery with deterioration rates of the secondary battery in the running times for every operation; an equivalent coefficient calculation unit configured to calculate equivalent coefficients used to normalize the running times based on values related to the previous operations in the secondary battery for every operation; an equivalent running time calculation unit configured to calculate equivalent running times that are the normalized running times based on the running times and the equivalent coefficients related to the operations relevant to the running times with respect to the running times associated and stored with the operations and the deterioration rates by the storage unit; and a deterioration function calculation unit configured to calculate a deterioration function indicating relationships of the equivalent running times and the deterioration rates based on the equivalent running times and the deterioration rates associated with the running times used for calculating the equivalent running times and stored by the storage unit.