Vehicle Merge Control Using V2V-Guided Exterior Recognition
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Solution Overview
Problem
Existing methods for vehicle merging lack efficient means to accurately grasp the actions of vicinity vehicles and ensure a safe merge by balancing sensor-based and communication-based information acquisition while managing computation load.
Innovation Solution
A vehicle control device that integrates vehicle-to-vehicle and road-to-vehicle communication with sensor-based exterior recognition to prioritize and intensify sensing of mergeable spaces, using cooperative awareness messages and sensor data to manage host vehicle actions and path determination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If sensor-based exterior recognition is used to acquire external environment information, then information can be acquired irrespective of whether an object is compatible with communication, but the accuracy and reliability of information decreases and computation load increases
Solution Approach 1:
The patent combines communication-based information acquisition and sensor-based exterior recognition into a unified system. The determination unit integrates both communication results and sensor recognition results to comprehensively determine mergeable spaces, leveraging the strengths of both methods while compensating for their individual weaknesses.
Solution Approach 2:
The determination unit acts as an intermediary that processes and integrates information from both communication and sensor sources. It reconciles the objective but limited communication data with the comprehensive but potentially less reliable sensor data to produce accurate mergeable space determinations.
2Measurement precision
If sensor-based exterior recognition is used to enhance sensing accuracy, then information can be acquired from all objects, but computation load increases
Solution Approach 1:
The system performs sensor-based exterior recognition selectively rather than continuously for all objects. The determination unit focuses computational resources on identifying mergeable spaces by processing sensor data primarily when communication-based methods are insufficient or when sensor data can provide decisive information.
Solution Approach 2:
The patent merges communication-based information acquisition with sensor-based recognition, allowing the system to leverage the low-computation communication method first and supplement it with sensor processing only when necessary, thereby reducing overall computation load while maintaining high sensing accuracy.
3Reliability
If communication-based method is used to acquire external environment information, then objective information with high accuracy can be expected, but information might not be acquired from objects not compatible with communication
Solution Approach 1:
The system performs communication-based information acquisition as a preliminary step before resorting to sensor-based recognition. This allows the system to efficiently obtain objective information from communicating objects first, and only activate the more resource-intensive sensor system when communication fails or is insufficient.
Solution Approach 2:
The patent merges two information acquisition methods into a coordinated system where communication-based and sensor-based methods complement each other. The determination unit integrates results from both methods to achieve both high reliability from communication and universal adaptability from sensor recognition.
Data Source
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AI summary
A problem to be addressed by the present invention is to obtain a vehicle control device which, while alleviating an excessive computation load, is capable of appropriately ascertaining an external environment. This vehicle control device 01 comprises an other vehicle information acquisition unit 02 which acquires information of another vehicle by communication, and an exterior recognition unit 03 which carries out recognition of the exterior of a host vehicle by sensing. The exterior recognition unit 03 senses an other vehicle vicinity space in the vicinity of the other vehicle on the basis of the information of the other vehicle which is acquired by the other vehicle information acquisition unit 02.