EV Power Storage Management via Travel Plan Recognition
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Solution Overview
Problem
Conventional power storage management systems cannot effectively utilize electric vehicles as assets in the power grid unless they have a scheduled travel plan, limiting their utilization as power sources.
Innovation Solution
A power storage management system that includes a travel plan recognition unit, a moving body waiting period estimation unit, and a moving body charge-discharge control unit, which recognizes user travel plans, estimates waiting periods, and charges or discharges storage batteries in electric vehicles left in waiting areas, allowing for the effective utilization of electric vehicles as power assets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the system only utilizes electric vehicles with scheduled travel plans, then the system complexity is reduced, but the productivity of electric vehicles as power assets is limited
Solution Approach 1:
The system enables electric vehicles to serve multiple functions: both as transportation assets and as power grid assets. By allowing vehicles without travel plans to participate in power storage and discharge operations, the system maximizes the utility of each vehicle, resolving the contradiction between expanded productivity and system complexity.
Solution Approach 2:
The system allows electric vehicles to automatically register themselves as power assets when parked in waiting areas, without requiring manual scheduling or complex coordination. The vehicles self-identify their availability and the system automatically incorporates them into power management operations, simplifying the overall system architecture while expanding productivity.
2Productivity
If the system expands to include electric vehicles without travel plans, then the productivity increases, but the difficulty of detecting and measuring available vehicles increases
Solution Approach 1:
The system introduces a waiting area management mechanism as an intermediary between vehicle parking and power grid integration. Vehicles park in designated waiting areas where their availability is automatically detected and registered, serving as a mediator that simplifies the detection process while expanding the pool of available vehicles.
Solution Approach 2:
The system performs preliminary registration of electric vehicles in waiting areas before they are actively used for power management. By pre-identifying and registering available vehicles in waiting areas, the system simplifies subsequent power coordination and reduces the complexity of real-time vehicle detection.
3Productivity
If the system optimizes charge-discharge operations based on waiting periods, then the power management efficiency is improved, but the device complexity increases
Solution Approach 1:
The system dynamically adjusts charge-discharge operations based on real-time waiting period durations and power grid conditions. By making the charge-discharge control adaptive and flexible rather than fixed, the system optimizes power management efficiency while managing complexity through responsive rather than rigid control mechanisms.
Solution Approach 2:
The system changes operational parameters such as charge-discharge timing, power rates, and duration based on waiting period lengths and grid requirements. By adjusting these parameters dynamically, the system achieves optimized power management efficiency without requiring fundamentally complex control architecture.
Data Source
AI summary
A power storage management system includes: a travel plan recognition unit for recognizing a travel plan of a user; a moving body waiting period estimation unit for estimating a waiting period based on the travel plan, the waiting period being a period through which the user is to leave an electric moving body in a predetermined moving body waiting area, the electric moving body being used by the user; and a moving body charge-discharge control unit for charging or discharging a storage battery in the waiting period, the storage battery being provided in the electric moving body left in the moving body waiting area.