EV Battery Charging Mode Selection by Target Capacity and Time
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Solution Overview
Problem
Users face difficulties in setting target remaining capacities for battery charging in electric vehicles, making the charging process cumbersome.
Innovation Solution
A control device with processors and memory is configured to perform indication processing, displaying different charging modes with distinct target remaining capacities and corresponding charging times, allowing drivers to select a charging mode for battery charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the battery charging system requires users to manually set target remaining capacities, then the charging control precision is improved, but the ease of operation deteriorates
Solution Approach 1:
The control device pre-calculates and stores multiple target remaining capacity values before the charging operation. These pre-set values are then presented to the user as selectable options, eliminating the need for users to manually calculate or input complex charging parameters while maintaining precise charging control.
Solution Approach 2:
The system changes the parameter representation from requiring users to input raw capacity values to selecting from pre-defined target remaining capacity options. This parameter transformation maintains the precision of charging control while significantly improving ease of operation by simplifying the user interface.
2Adaptability or versatility
If the system provides detailed charging mode options with different target remaining capacities, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The charging modes are segmented into distinct options, each with a specific target remaining capacity value. This segmentation allows the system to provide diverse charging scenarios (different adaptability) while presenting them as separate, manageable choices rather than a complex continuous parameter, thus reducing perceived device complexity.
Solution Approach 2:
The control device implements a universal charging control mechanism that handles multiple charging scenarios through a unified interface. By using a single selection mechanism that works for all charging modes, the system achieves high adaptability without increasing device complexity.
Data Source
AI summary
A control device includes one or more processors and one or more memories. The one or more memories are coupled to the one or more processors. The one or more processors are configured to execute processing including performing indication processing of indicating charging modes having respective target remaining capacities that are different from each other, each of the target remaining capacities being a target value of a remaining capacity of a battery of a vehicle at completion of charging of the battery, simultaneously indicating, in the indication processing, the target remaining capacities in the charging modes and respective charging times in the charging modes, and performing charging of the battery in a charging mode selected by a driver who drives the vehicle from among the charging modes.