Vehicle Door Swing Collision Prediction for Safe Egress
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Solution Overview
Problem
The parking of a vehicle can be challenging due to obstacles such as walls, neighboring vehicles, and curbs, which can result in collisions or difficulties in opening vehicle doors, especially in urban environments with regulated parking.
Innovation Solution
A system and method for surround view egress assistance using sensors and a controller to detect obstacles, predict potential collision zones, and estimate the severity of impacts, integrated with inertial measurement units and vehicle telemetry systems, to provide real-time assistance for safe door operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a driver parks a vehicle close to a wall or neighboring vehicle to maximize parking space utilization, then parking space efficiency is improved, but the risk of door collision with obstacles increases
Solution Approach 1:
The system performs preliminary detection of obstacles in the door swing path before the driver opens the door. Sensors scan the area and predict potential collision zones, providing advance warning to the driver about hidden obstacles that are not visible from the driver's seat position.
Solution Approach 2:
The system introduces an intermediary warning mechanism between the driver and the obstacle. When a potential collision is detected, the system provides auditory or visual warnings to alert the driver, serving as a mediator that prevents the harmful collision while allowing the vehicle to be parked close to obstacles.
2Ease of operation
If a driver opens the vehicle door without checking the surroundings to improve ease of egress, then ease of operation is improved, but the likelihood of collision with curbs or obstacles increases
Solution Approach 1:
The system provides self-service by automatically monitoring the door swing path and surrounding area without requiring manual checking by the driver. The sensors continuously scan for obstacles and the system autonomously provides collision warnings, eliminating the need for the driver to manually check surroundings before opening the door.
Solution Approach 2:
The system implements feedback by continuously monitoring the environment around the vehicle and providing real-time warnings to the driver. When an obstacle is detected in the door swing path, the system immediately alerts the driver, creating a feedback loop that prevents collisions while maintaining ease of operation.
3Reliability
If sensors and processors are added to detect obstacles and predict collision zones, then safety is improved, but device complexity increases
Solution Approach 1:
The system uses multi-functional sensors that serve multiple purposes: detecting obstacles in the door swing path, identifying curbs, measuring distances, and determining vehicle position. This universal approach improves safety without proportionally increasing system complexity, as single components perform multiple detection functions.
Solution Approach 2:
The system replaces manual mechanical checking (driver visually inspecting the area before opening the door) with automated sensor-based detection. This substitution uses electronic sensors and processors to perform the safety function, improving reliability while the modular architecture keeps complexity manageable.
Data Source
AI summary
A system and method for surround view egress assistance that includes detecting, by a sensor in a vehicle, an obstacle in a swing path of a vehicle door. The method includes predicting, based on a geometrical analysis, one or more potential collision zones between the obstacle and the vehicle door. The predicting also includes determining a bank angle of the vehicle in the predicting of one or more potential collision zones. The method further includes estimating, based on data from an inertial measurement unit, a severity of an impact of the vehicle door with the obstacle. The method also includes detecting a color and height of a curb and potential collisions with a vehicle door.