Driving Assistance Collision Avoidance Timing
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Solution Overview
Problem
Existing driving assistance systems may cause discomfort to drivers by implementing collision avoidance assistance at a timing slower than a driver's intuition when multiple three-dimensional objects are present within a predetermined range, leading to a sense of trouble.
Innovation Solution
A driving assistance device and method that adjusts the predetermined range's width based on the presence of multiple three-dimensional objects, prioritizing the object with the smallest width setting to align with the driver's intuition, and implements assistance earlier when multiple objects are detected, considering their moving state and collision risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If driving assistance is implemented when multiple three-dimensional objects are present within a predetermined range, then collision avoidance capability is improved, but the timing becomes slower than driver's intuition causing driver discomfort
Solution Approach 1:
The predetermined range's width is made dynamically adjustable based on the number of detected three-dimensional objects. When multiple objects are detected, the range width is reduced, which allows the system to establish assistance timing earlier to match driver intuition, while still maintaining comprehensive monitoring of relevant objects
Solution Approach 2:
The system changes the parameter of predetermined range width according to the detection results. By reducing the range width when multiple objects are present, the system optimizes the balance between collision avoidance reliability and timing appropriateness, preventing driver discomfort while maintaining safety
2Device complexity
If a fixed predetermined range is used for collision avoidance assistance, then system simplicity is maintained, but driver comfort deteriorates when multiple objects are present
Solution Approach 1:
Rather than using a completely fixed predetermined range, the system introduces dynamic adjustment of the range width based on object detection. This dynamic approach maintains relative system simplicity while significantly improving driver comfort by adapting the range to match driver intuition when multiple objects are present
Data Source
AI summary
A driving-assistance device is disclosed. The driving-assistance device in which, when a three-dimensional object is present on a course of a host vehicle, driving assistance for avoiding a collision between the host vehicle and the three-dimensional object is implemented on a condition that an unavoidable three-dimensional object is present in a predetermined range including the course, the driving-assistance device comprises a setting unit configured to set the predetermined range in the vicinity of the host vehicle at a degree of width depending on the three-dimensional object, wherein, when a plurality of the three-dimensional objects are detected within the predetermined range, the setting unit makes the degree of width smaller than when a single three-dimensional object is detected within the predetermined range.