ACC Defensive Driving Control for Lane Merge Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing adaptive cruise control (ACC) systems do not adequately address safety concerns in defensive driving scenarios, such as lane merges, diverges, and multi-lane sections, potentially leading to accidents.
Innovation Solution
A vehicle driving control device and method that utilizes sensors and controllers to obtain surrounding and area information, adjusting vehicle velocity and route to ensure safe driving in defensive areas by maintaining safe distances, changing lanes, and securing safety spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If ACC system operates based on normalized traffic flow, then automation and productivity are improved, but safety in defensive driving areas deteriorates
Solution Approach 1:
The system performs preliminary identification of defensive driving areas using map data before the vehicle enters them. When the vehicle approaches such areas (intersections, lane merges, diverges, pedestrian crossings), the ACC controller proactively adjusts velocity and maintains larger safety distances in advance, rather than reacting to immediate threats. This preliminary preparation enables safer automated operation in complex traffic scenarios.
2Productivity
If ACC system maintains normal operating distance, then productivity is improved, but safety in complex traffic situations deteriorates
Solution Approach 1:
The ACC system dynamically adjusts the safety distance based on the vehicle's location relative to defensive driving areas. When the vehicle is far from complex traffic situations, the system maintains normal operating distance for efficient cruising. When approaching defensive driving areas, the system automatically increases the safety distance to appropriate levels, providing a dynamic adaptation between productivity and safety requirements.
3Productivity
If vehicle velocity is increased for efficiency, then productivity is improved, but safety in defensive areas deteriorates
Solution Approach 1:
The system applies preliminary anti-action by reducing velocity and increasing safety margins before the vehicle enters defensive driving areas. The controller anticipates potential hazards in these zones and proactively adjusts driving parameters to counteract safety risks, rather than reacting after dangers arise. This enables the vehicle to maintain higher speeds in safe zones while ensuring safety in complex areas.
Data Source
AI summary
Provided is a vehicle driving control device, comprising a plurality of sensors configured to obtain surrounding information about a vehicle, an information obtainer configured to obtain area information about a defensive driving area during adaptive cruise control (ACC) of the vehicle, and a controller configured to control at least one of a velocity of the vehicle and a driving route of the vehicle based on at least one of the surrounding information and the area information.