Power Storage Charging Control for Weekly Usage Patterned Days
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Solution Overview
Problem
Existing techniques struggle to provide a charging condition for power storage devices that balances the suppression of device deterioration with user convenience, particularly for users who prefer frequent, small charges.
Innovation Solution
A vehicle system that includes a power storage device and a controller, which counts the number of days satisfying specific charging and usage requirements for each day of the week, identifies patterned usage days, determines a recommended charging condition, and notifies the user accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If charging amount per charging is increased to reduce charging frequency, then power storage device deterioration is suppressed, but user convenience deteriorates for users who prefer frequent small charges
Solution Approach 1:
The notification timing is made dynamic and adjustable based on user preferences. The system allows users to set their preferred notification times and provides flexible charging recommendations that adapt to individual usage patterns, transforming a static charging threshold approach into a dynamic, user-adaptive system.
Solution Approach 2:
The charging recommendation is segmented into multiple notification options with different time points. Instead of a single fixed threshold, the system provides multiple suggested charging timings that users can select based on their convenience, allowing them to choose between earlier notifications (better for device health) and later notifications (better for user convenience).
2Reliability
If a fixed recommended charging threshold is provided, then power storage device deterioration is suppressed, but adaptability to individual user charging patterns deteriorates
Solution Approach 1:
The system changes the parameter of notification timing based on user preferences and usage patterns. By allowing users to adjust notification time preferences and providing multiple recommended charging points, the system adapts the timing parameters to match individual charging behaviors while maintaining the benefit of deterioration suppression.
Solution Approach 2:
The charging recommendation system transitions from a static fixed threshold to a dynamic adaptive system that learns and responds to individual user patterns. The notification timing and charging recommendations are dynamically adjusted based on when users actually charge their devices and their expressed preferences.
Data Source
AI summary
A management method for a power storage device includes: counting, for each day of week, the number of days satisfying at least a first requirement indicating that charging of the power storage device was performed, and a second requirement indicating that a time when use of the power storage device was started is included in a predetermined time period; identifying a day of week on which usage of the power storage device by a user is patterned, by using the number of days counted for each day of week; determining a recommended charging condition for the power storage device for the identified day of week; and notifying the user of the recommended charging condition for the identified day of week.