Parking Assist Target Position Adjustment
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Solution Overview
Problem
Existing parking assist systems face challenges in determining an optimal target position for parallel or double parking between two stopped vehicles, especially when the distance between them is longer than the standard parking distance, requiring drivers to manually select from multiple options, which can increase parking time and driver burden.
Innovation Solution
A parking assist system equipped with an electronic control unit that detects stopped vehicles and sets a target position between them based on the distance between the vehicles, using ultrasonic sensors and imaging units to determine suitable candidate positions and guide the vehicle automatically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the parking assist system sets a predetermined target position at a fixed distance from stopped vehicles, then the parking maneuver is simple and quick, but the target position becomes inappropriate when the distance between stopped vehicles is longer than standard parking distance
Solution Approach 1:
The system dynamically adjusts the target position based on the actual distance between stopped vehicles. When the distance is longer than the predetermined distance, the system modifies the target position to be commensurate with the available space, rather than using a fixed predetermined position. This dynamic adjustment resolves the contradiction by maintaining parking efficiency while adapting to varying parking space conditions.
2Adaptability or versatility
If the system provides multiple candidate target positions for driver selection, then the adaptability to different parking scenarios is improved, but the driver burden and parking time increase
Solution Approach 1:
The system performs self-service by automatically determining the appropriate target position based on the detected distance between stopped vehicles. When the distance exceeds the predetermined value, the system autonomously adjusts the target position without requiring driver intervention or selection from multiple candidates. This resolves the contradiction by reducing driver burden and parking time while maintaining adaptability through automatic position adjustment.
3Ease of operation
If the electronic control unit automatically determines the target position based on distance detection, then the driver burden is reduced, but the system complexity increases
Solution Approach 1:
The system changes the target position parameter based on the detected distance parameter. The electronic control unit detects the distance between stopped vehicles and automatically adjusts the target position parameter to be commensurate with the available space. This parameter-based approach resolves the contradiction by providing automatic target position setting that reduces driver burden while maintaining manageable system complexity through straightforward parameter adjustment logic.
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
The system reduces driver burden and parking time by automatically determining an appropriate target position commensurate with the distance between stopped vehicles, enhancing the efficiency of parallel and double parking maneuvers.
Implementation Method 1
a distance between the vehicle and another vehicle is longer than a predetermined distance
Data Source
AI summary
A parking assist system includes an electronic control unit configured to detect a stopped vehicle, and to set a target position, to which a vehicle moves, to a position between a first stopped vehicle and a second stopped vehicle that are detected, the position being commensurate with a distance between the first stopped vehicle and the second stopped vehicle.