Vehicle Door Controller with Multi-Stage Detection
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Solution Overview
Problem
Conventional vehicle door controlling devices automatically open vehicle doors without considering the surrounding circumstances or user intention, potentially leading to door damage from obstacles or unintended opening scenarios.
Innovation Solution
A vehicle door controlling device with a mobile device and vehicle-side controller that uses wireless communication to detect user presence and intention through specific validation areas, allowing controlled automatic door opening only when the user is present and has set a reservation for door opening, with features like reduced door-opening speed and pause times to allow user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the door is opened automatically just by receiving the reservation signal and detecting the user, then the door opening operation is simplified and automated, but the door may be damaged by obstacles or opened against user intention
Solution Approach 1:
The system performs preliminary detection actions before executing door opening. It first detects the user's approach, then detects the user's intent to open the door, and only then executes the door opening operation. This multi-stage preliminary detection ensures the door is opened only when both user presence and user intent are confirmed, preventing unintended openings.
Solution Approach 2:
The system continuously monitors the detection areas and provides feedback on user presence and intent. The control unit adjusts the door opening execution based on the feedback from the detection units, enabling the system to respond dynamically to changing conditions and prevent door opening when obstacles or unintended scenarios are detected.
2Loss of time
If the door opens automatically without additional detection, then the response time is reduced, but the risk of door damage from obstacles increases
Solution Approach 1:
The system performs preliminary detection of the second detection area (user intent area) before executing door opening. This additional preliminary detection step confirms user intent while maintaining rapid response by using pre-established detection zones and real-time monitoring capabilities.
Solution Approach 2:
The system uses multiple detection areas established in advance to enable rapid sequential detection. By having the first detection area (user approach) and second detection area (user intent) pre-defined, the system can quickly transition through detection stages without significant delay, rushing through the validation process once conditions are met.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures safe and intended automatic door opening by considering user presence and surrounding conditions, preventing door damage and unintended openings.
Implementation Method 1
a transmitter unit configured to transmit a signal that includes information about the reservation setting, by a wireless communication function
Implementation Method 2
a receiver unit configured to receive the signal transmitted from the mobile device
Data Source
AI summary
A vehicle door controlling device includes a vehicle-side controller, installed on the vehicle including a door capable of being opened automatically; and a mobile device on which reservation setting of automatic door-opening of the door can be made by a user. The mobile device can transmit a signal that includes information about the reservation setting. The vehicle-side controller can receive the signal, detect the mobile device having the reservation setting and existing in a first area around the door, based on the signal received by the receiver unit, and unlock the door when the mobile device having the reservation setting has been detected in the first area by the first detection unit, and to open the door when the mobile device detected in the first area by the first detection unit is further being detected in the first area for a predetermined time.