Battery Replacement Guidance for Reachable E-Mobility Travel
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Solution Overview
Problem
Users of electric mobility vehicles face the risk of not reaching a charging station within the battery's remaining capacity, leading to potential travel disruptions.
Innovation Solution
A guidance system that registers replacement battery locations, estimates travel distance based on battery capacity, and displays reachable stations on a map, prioritizing those charged with renewable energy, and sets rental prices to promote their use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If navigation to charging devices is provided without considering battery remaining capacity, then users can find charging devices, but the probability increases that users cannot reach the navigated charging device within battery range
Solution Approach 1:
The system changes the parameter of charging device selection by filtering based on distance from the user's current location and estimated battery range. The display section prioritizes showing charging devices that are reachable with remaining battery capacity, dynamically adjusting the presented options based on real-time battery status and location data.
Solution Approach 2:
The system performs preliminary assessment of battery capacity and distance to charging devices before providing navigation information. By pre-calculating which charging devices are reachable with current battery levels, the system ensures that recommended locations are actually accessible, preventing the scenario where users cannot reach the navigated destination.
2Loss of information
If all replacement places are displayed regardless of reachability, then users have complete information, but users may waste time traveling to unreachable locations
Solution Approach 1:
The display section dynamically filters and prioritizes replacement places based on the parameter of estimated travel distance versus battery range. Only locations that fall within the calculable range are prominently displayed, while still providing access to additional information about other locations if users choose to seek them.
Solution Approach 2:
The system provides partial information by initially displaying only the most relevant and reachable replacement places, rather than overwhelming users with complete information about all locations. This selective presentation reduces time loss by focusing users' attention on achievable destinations first.
3Adaptability or versatility
If charging devices are distributed widely, then users have more options, but the distance to reach them increases beyond battery capacity
Solution Approach 1:
The system applies local quality by providing differentiated information based on the user's specific location and battery status. Instead of uniformly displaying all charging devices, the system tailors the presented options to the local context of what is actually reachable from the user's current position, optimizing for local accessibility rather than global availability.
Solution Approach 2:
The system dynamically adjusts the displayed charging device options based on real-time changes in battery capacity and user location. As the user moves or battery level changes, the set of recommended charging devices updates accordingly, maintaining adaptability between the available options and the actual reachability conditions.
Data Source
AI summary
An guidance system of an electric mobility vehicle includes a registration section in which replacement places of replacement batteries for the electric mobility vehicle are registered, an estimation section that estimates a possible travel distance of the electric mobility vehicle from a battery remaining capacity of the electric mobility vehicle, and a display section that displays replacement places within a range of the estimated possible travel distance of the electric mobility vehicle among the replacement places of the replacement batteries registered in the registration section on map information.