Parallel Parking System Door Clearance Alert
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Solution Overview
Problem
Existing parallel parking systems do not adequately account for the distance required to open a vehicle door without contacting adjacent objects, and they fail to consider local parking regulations that may restrict the permissible distance from the curb.
Innovation Solution
A parallel parking system that includes a controller to recognize objects adjacent to a parking space, calculate a recommended parking distance based on the door's open distance and the object's distance, and generate an alert if this distance exceeds the permitted distance defined by local regulations, adjusting the parking position to ensure the door can open fully without contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the vehicle parks closer to the curb to comply with local parking regulations, then the compliance with local requirements is improved, but the door may contact adjacent objects worsens
Solution Approach 1:
The system performs preliminary detection of objects adjacent to the parking space before the vehicle completes parking. The controller identifies objects such as pedestrians, cyclists, or stationary items within a predetermined distance threshold, and generates warnings to the driver in advance, allowing them to adjust the parking position before final placement.
Solution Approach 2:
The system introduces an intermediary warning mechanism between the vehicle and adjacent objects. The controller acts as a mediator by processing sensor data, determining object distances, and communicating potential door-object contact risks to the driver through visual, auditory, or haptic warnings, enabling informed parking decisions.
2Object-affected harmful factors
If the vehicle parks farther from the curb to avoid door contact with objects, then the safety of door opening is improved, but compliance with local parking regulations deteriorates
Solution Approach 1:
The system provides real-time feedback to the driver regarding the safety of door opening. Based on detected object positions and distances, the controller continuously evaluates whether the vehicle door may contact adjacent objects and communicates this information to the driver, enabling dynamic adjustment of parking position based on actual conditions rather than fixed rules.
3Object-affected harmful factors
If the system detects objects and adjusts parking distance to ensure door safety, then the prevention of door contact is improved, but the complexity of the parking system increases
Solution Approach 1:
The system leverages the existing multi-functional sensor array already deployed for other parking assist functions. The same sensors that detect parking space boundaries and obstacles are also utilized to identify adjacent objects that may contact the door, eliminating the need for dedicated door-protection sensors and reducing overall system complexity.
Data Source
AI summary
A parallel parking system may include a controller configured to generate an alert identifying a discrepancy between a permitted parking distance that is defined by local requirements and a recommended parking distance that is defined by a minimum distance between an object adjacent to an available parking place to avoid contact with the object and an open vehicle door in a parked position in response to the recommended distance exceeding the permitted distance.