Lane Change Assistance Device for External Vehicle Detection
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Solution Overview
Problem
Drivers face challenges in safely changing lanes due to difficulty in assessing the distance and speed of external vehicles, leading to a high likelihood of minor accidents.
Innovation Solution
An electronic device that senses the driving state of external vehicles on the intended lane change route, determines a safe entry region, and outputs information to the driver about the entry conditions, including position, speed, and acceleration, to facilitate safe lane changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the driver checks the left or right side of the vehicle using a mirror to change lanes, then the driver can see the presence of external vehicles, but it is not easy to identify information about distance and speed of external vehicles
Solution Approach 1:
The patent introduces an electronic device as an intermediary between the driver and the external vehicles. This device includes sensors that detect external vehicles and a display that presents processed information about their distance and speed, serving as a mediator that translates raw sensor data into useful guidance for lane changing decisions
Solution Approach 2:
The patent replaces the manual mechanical action of visually assessing distance and speed through mirrors with an electronic sensing and display system. The sensor unit automatically measures distance and speed of external vehicles, substituting the driver's manual estimation process with precise electronic measurement
2Measurement precision
If the driver relies on mirror checking to assess external vehicles, then the operation is simple, but the accuracy of distance and speed assessment is low
Solution Approach 1:
The electronic device performs multiple functions: it detects external vehicles, calculates their distance and speed, determines safe entry regions, and provides guidance information. By consolidating these multiple functions into a single device, the patent avoids the need for separate complex systems for each function
Solution Approach 2:
The sensor unit automatically detects and tracks external vehicles without requiring driver intervention. The system self-calculates distance and speed based on sensor data, and automatically determines entry regions, making the measurement process autonomous and reducing the need for complex driver-side assessment tools
3Reliability
If the driver changes lanes without accurate distance and speed information, then the lane changing is quick, but the risk of minor accidents increases
Solution Approach 1:
The system determines safe entry regions and provides guidance information before the driver actually changes lanes. By performing these safety assessments in advance and presenting the information to the driver beforehand, the system enables quick execution of the lane change while maintaining high safety standards
Solution Approach 2:
The display provides real-time feedback to the driver about external vehicle positions, distances, and speeds. This continuous feedback loop allows the driver to make informed decisions about lane changing timing, ensuring safety while minimizing delays
Data Source
AI summary
Provided are an electronic device and method for assisting with driving of a vehicle, the electronic device including: a sensing unit configured to sense a driving state of at least one external vehicle on an entry scheduled lane that the vehicle is to enter by changing lanes; a processor configured to determine an entry possible region on the entry scheduled lane based on the sensed driving state of the at least one external vehicle and determine an entry condition for entry of the vehicle into the entry possible region; and an outputter configured to output information about the entry possible region and the entry condition.