Parking Guidance Display With Dynamic Moving Area Adjustment
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Solution Overview
Problem
Conventional parking assistance devices do not consider obstacles on the parking route, leading to reduced operating efficiency and potential system interruptions during parking operations.
Innovation Solution
A parking assistance device that includes an imager to capture the vehicle's surroundings, a display to show guidance images, and a system that adjusts the moving area based on the steering angle, considering obstacles to set a definitive parking route, ensuring smooth parking operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional parking assistance devices display static parking guidance without considering obstacles, then the system complexity is reduced, but the reliability of parking operations deteriorates due to potential collisions and system interruptions
Solution Approach 1:
The system performs preliminary detection of obstacles in the parking route before executing parking maneuvers. The imaging device captures obstacle information in advance, and the control unit pre-calculates safe parking routes, preventing collisions before they occur rather than reacting to them during parking operations.
Solution Approach 2:
The system continuously monitors the parking environment using imaging devices and provides real-time feedback to the control unit. Based on detected obstacles and actual vehicle movement, the control unit dynamically adjusts the parking route and guidance information, ensuring reliable parking operations even when unexpected obstacles appear.
2Productivity
If the parking guidance system provides detailed real-time adjustments based on steering angle and obstacles, then the productivity of parking operations is improved, but the device complexity increases due to additional sensors and processing requirements
Solution Approach 1:
The control unit serves multiple functions: it processes imaging data from the imaging device, calculates parking routes, determines safe moving areas, generates guidance information for the display, and adjusts all these outputs in real-time based on steering angle input. This multi-functionality in a single control unit improves productivity without proportionally increasing device complexity.
Solution Approach 2:
The system dynamically changes display parameters including the moving area dimensions, guidance route visualization, and warning information based on real-time steering angle data and obstacle detection. These parameter changes provide detailed real-time adjustments that improve parking productivity while utilizing existing hardware capabilities.
3Measurement precision
If the system displays a fixed moving area regardless of steering angle, then the ease of operation is improved by simplifying the display, but the measurement precision of vehicle position and safety margin deteriorates
Solution Approach 1:
The moving area displayed on the display device is dynamically adjusted based on the detected steering angle. When the steering angle changes during parking maneuvers, the system recalculates and redispers the moving area boundaries to reflect the actual vehicle trajectory, providing precise real-time position indication while maintaining operational simplicity through automatic updates.
Data Source
AI summary
A parking assistance device includes an imager that captures an image of a surrounding of a vehicle, and a display that displays a guidance image for guiding the vehicle from a parking start position to a target parking position and displays a moving area in which the vehicle can move during a parking operation. An area and dimension of the moving area displayed on the display changes based on a change in a steering angle of the vehicle.