Vehicle Exit Gate Priority Control for Parking Lot Congestion
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Solution Overview
Problem
Existing vehicle exit management systems are limited in reducing exit time from a parking lot when all exit routes are congested, as they cannot differentiate between vehicles for efficient gate allocation.
Innovation Solution
A vehicle exit management system that includes gate terminals, a communications apparatus, and a server, which acquires identification and priority information for each vehicle, allowing the system to control exit gates based on pre-set conditions, thereby managing exit-possible gates for each vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If all exit gates are used by multiple vehicles simultaneously, then the exit capacity of the parking lot is maximized, but congestion occurs and exit time increases
Solution Approach 1:
The system performs preliminary actions by determining priority information for each vehicle before the vehicle reaches the exit gate. The server apparatus calculates priority based on stored information associated with vehicle identification, and this priority information is transmitted to the gate terminal in advance, allowing the gate to be controlled efficiently when the vehicle arrives.
Solution Approach 2:
The system applies local quality by managing exit-possible exit gates for each vehicle individually based on its specific priority information. Different vehicles receive different gate assignments and priority levels, allowing high-priority vehicles to use specific gates while others use different routes, thereby reducing congestion at any single gate while maintaining overall exit capacity.
2Loss of time
If priority management is implemented for each vehicle, then exit time is reduced for certain vehicles, but system complexity increases
Solution Approach 1:
The server apparatus performs multiple functions: it stores information associated with vehicles, determines priority information based on that stored information, and transmits the determined priority to gate terminals. This multi-functional approach consolidates complexity into a single server rather than requiring complex logic at each gate terminal or in individual vehicles.
Solution Approach 2:
The server apparatus acts as an intermediary between the vehicle identification system and the gate control system. It receives identification information, processes it to determine priority, and then communicates the priority to the appropriate gate terminal, simplifying the overall system architecture by centralizing the decision-making logic.
Data Source
AI summary
Exit-possible exit gates are managed for each of vehicles that exit a parking lot. A vehicle exit management system 100 includes a gate terminal 161 controlling an exit gate of the parking lot; a DCM 141; and a vehicle management server 110 connected with the DCM 141 via a network 170. The DCM 141 transmits priority information acquired from the vehicle management server 110 based on a user ID of a vehicle 130 to the gate terminal 161 at a time of vehicle exit; and the gate terminal 161 opens the exit gate in the case of the received priority information satisfying the conditions.