Vehicle Collision Avoidance via Coordinated Action Plan Feedback
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Solution Overview
Problem
Existing driving assistance devices only notify nearby vehicles of collision avoidance actions without confirming if they can execute these actions, leading to potential collisions when the own vehicle attempts to avoid an object.
Innovation Solution
A driving assistance device that detects potential collisions, creates and transmits action plans to nearby vehicles, receives responses on their ability to execute these plans, and determines the optimal action based on the responses to minimize collisions with other vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the own vehicle transmits only one-sided notification of collision avoidance action to nearby vehicles, then the device complexity is reduced, but the reliability of collision avoidance decreases
Solution Approach 1:
The patent implements a feedback mechanism where nearby vehicles respond to collision avoidance notifications with their own action plans. The notifying vehicle receives these responses and integrates them to determine the final collision avoidance action. This two-way communication ensures that nearby vehicles are aware of the situation and can coordinate their actions, significantly improving collision avoidance reliability while maintaining reasonable system complexity.
2Reliability
If the own vehicle waits for responses from nearby vehicles before executing collision avoidance action, then the collision avoidance reliability improves, but the response time increases
Solution Approach 1:
The patent employs preliminary action by notifying nearby vehicles of the intended collision avoidance action before executing it. This advance notification allows nearby vehicles to prepare their responses and adjust their own actions accordingly. The system sends the notification first, then waits for responses, but the preliminary notification itself enables better coordination without requiring the own vehicle to wait passively for all responses before initiating any action.
3Adaptability or versatility
If the own vehicle creates multiple action plans to coordinate with nearby vehicles, then the adaptability of collision avoidance improves, but the device complexity increases
Solution Approach 1:
The patent implements dynamics by creating multiple action plans with different characteristics (e.g., different timing, different maneuver types) and selecting the most appropriate one based on responses from nearby vehicles. The system maintains a set of predefined action plan templates that can be dynamically selected and adjusted based on the situation and nearby vehicle responses, providing adaptability without requiring complex real-time generation of entirely new action plans.
Data Source
AI summary
A driving assistance device that detects an object in a traveling direction of a vehicle and to assist avoiding a collision of the vehicle with the object, including: a decision unit that decides whether there is a possibility of the own vehicle colliding with the detected object; a creation unit that creates an action plan for the own vehicle to avoid colliding with the detected object; a transmission unit that transmits the action plan to another vehicle; a receiving unit that receives, from the other vehicle that received the action plan, a response including information on whether it is possible for the other vehicle to take an action to avoid colliding with the own vehicle; a determination unit that determines an action based on the action plan and the response from the other vehicle; and an execution unit that executes the action determined by the determination unit.