Information Output Device for Next-Destination Recharging Timing
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Solution Overview
Problem
Charging facility guide devices may not allow a smooth transition to the next activity due to the possibility of immediate charging requirements after departure for the next destination.
Innovation Solution
An information output device that outputs recharging proposal information when specific conditions are met, such as setting two destinations, approaching the first destination within a predetermined distance, and ensuring the need for recharging is valid, thereby facilitating a smooth transition to the second destination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If recharging proposal information is output early to ensure sufficient charge for the next destination, then the reliability of power supply is improved, but the ease of operation deteriorates due to unnecessary recharging suggestions disrupting the transition to the next activity
Solution Approach 1:
The system performs preliminary calculation of the cruising distance and compares it with the route distance to the second destination before outputting recharging proposal information. This preliminary assessment ensures that recharging is only suggested when actually necessary, avoiding premature or unnecessary suggestions that would disrupt the transition to the next activity.
Solution Approach 2:
The system continuously monitors the mobile unit's position and compares it with the first destination to determine when the predetermined condition is satisfied. This feedback mechanism ensures that recharging proposal information is output at the optimal timing - when the mobile unit has come close to the first destination within the predetermined distance, but only when the cruising distance calculation confirms recharging is necessary.
2Ease of operation
If recharging proposal information is output only when the mobile unit is close to the first destination, then the ease of operation is improved by avoiding unnecessary suggestions, but the reliability of power supply may deteriorate if recharging is delayed
Solution Approach 1:
The system calculates the cruising distance in advance by acquiring charge remaining data and comparing it with the route distance to the second destination. This preliminary action ensures that when the mobile unit approaches the first destination within the predetermined distance, the system already has the information needed to determine whether recharging is necessary, thus maintaining reliability while timing the suggestion appropriately.
Solution Approach 2:
The system automatically acquires charge remaining data and position data to calculate the cruising distance and route distance respectively. This self-service approach allows the system to independently determine the appropriate timing for recharging proposal information without requiring manual input, ensuring both operational ease and power supply reliability.
3Measurement precision
If the system acquires additional data (charge remaining data, position data) to calculate cruising distance and route distance, then the accuracy of recharging timing is improved, but the device complexity increases
Solution Approach 1:
The control device utilizes existing multi-functional components already present in the mobile unit - the communication device for acquiring charge remaining data and position data, and the processor for calculating distances. By making these existing components serve the additional function of determining recharging timing accuracy, the system avoids adding significant hardware complexity while achieving precise measurement.
Solution Approach 2:
The system employs self-service data acquisition where the control device automatically retrieves charge remaining data and position data from the mobile unit's existing systems without requiring external equipment. This self-service approach enables accurate calculation of cruising distance and route distance while minimizing additional device complexity.
Data Source
AI summary
An information output device (1) includes an output device (12) that outputs at least one of image data, text data, or voice data, and a control device (14) that causes the output device (12) to output recharging proposal information (38) when a predetermined condition is satisfied, the recharging proposal information being information that encourages recharging of a power source that drives a mobile unit (2). When predetermined conditions are satisfied, the information output device (1) outputs the recharging proposal information (38). The predetermined conditions include a condition that first and second destinations are set and a condition that the mobile unit (2) has come close to the first destination within a first predetermined distance, the second destination being a destination for which the mobile unit (2) heads after arrival at the first destination.


