Side Mirror Closing Timing for Narrow Parking Support
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Solution Overview
Problem
Existing driving support systems face challenges in safely closing rear side checking parts, such as side mirrors, in narrow parking areas without contacting neighboring vehicles, especially when the parking route is not straight.
Innovation Solution
A driving support device that uses sensors to determine the width of the parking area and starts closing the rear side checking parts at a position in front of the parking area based on the vehicle's speed and the time required for closure, ensuring they are fully closed before reaching the parking area's entrance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the side mirrors are closed in the final stage of parking when the frontage width is below a threshold, then the side mirrors can be closed to improve aerodynamics and reduce drag, but the side mirrors may contact neighboring vehicles before fully closing
Solution Approach 1:
The system starts closing the side mirrors in advance before the vehicle enters the parking area, rather than waiting until the final stage. The closing operation is initiated when the vehicle is still approaching the parking area, allowing sufficient time for the mirrors to fully close before the vehicle reaches positions where they might contact neighboring vehicles. This preliminary action resolves the contradiction by ensuring both aerodynamic efficiency and contact avoidance.
2Reliability
If the side mirrors are closed early based on frontage width threshold, then contact with neighboring vehicles is prevented, but the mirrors remain open longer than necessary increasing aerodynamic drag
Solution Approach 1:
The system continuously monitors the vehicle's position, speed, and the closing status of the side mirrors. Based on this feedback, the control unit adjusts the closing operation in real-time. When the vehicle approaches the parking area and the frontage width is determined to be below the threshold, the system initiates closing while calculating the precise timing based on vehicle speed and distance, ensuring mirrors close optimally without premature or delayed action.
3Loss of time
If the side mirrors closing operation is started based on vehicle speed and distance calculations, then the closing timing is optimized, but the system complexity increases
Solution Approach 1:
The control unit automatically determines the optimal closing timing by utilizing existing sensor data (vehicle speed, distance to parking area) without requiring external input or complex manual calculations. The system self-adjusts the closing operation based on real-time vehicle parameters and pre-stored threshold values, simplifying the control logic while achieving optimized timing.
Data Source
AI summary
A driving support device of an embodiment is a driving support device that performs, based on surrounding information collected by a plurality of sensors provided in a vehicle, parking support for the vehicle. When the parking support is performed, a calculation module starts, when a width of a frontage of a parking area for the vehicle to enter the parking area is a certain threshold or less, closing of rear side checking parts by an opening-and-closing control unit at a position in front of the parking area based on the vehicle, the position being based on a distance obtained from a vehicle speed of the vehicle and a time required to close the rear side checking parts.