Trailer Guide Image Control for Vehicle-Trailer Angle Alignment
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Solution Overview
Problem
Existing technologies struggle to provide a clear understanding of the relative angle between a towing vehicle and a towed trailer during backward and forward traveling, complicating the user's comprehension of the vehicle's traveling state.
Innovation Solution
A control device and method that acquires external environment information to display a guide image superimposed on the vehicle's peripheral image, showing a first traveling path and specifying a predetermined position where the relative angle between the vehicle and the trailer is a predetermined angle, with markings to indicate this position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a vehicle guide image and a trailer guide image are displayed, then the traveling paths of both vehicle and trailer are shown, but the guide images become complicated and difficult for a user to understand
Solution Approach 1:
The patent merges the vehicle guide image and trailer guide image into a single integrated guide image that displays both traveling paths simultaneously. This unified display shows the vehicle's traveling path and the trailer's traveling path in one coherent visual representation, making it easier for users to understand the relationship between the two paths while maintaining complete information about both vehicles' movements
Solution Approach 2:
The guide image serves multiple functions simultaneously: it displays the vehicle's traveling path, shows the trailer's traveling path, indicates the relative angle between vehicle and trailer, and provides alignment guidance. This multi-functional display consolidates what would otherwise require separate images into a single universal guide that provides comprehensive information
2Loss of information
If guide images are displayed to show traveling paths, then path information is provided, but it is difficult for the user to understand the relative angle between the towing vehicle and the towed trailer
Solution Approach 1:
The patent uses different colors to represent different pieces of information: the vehicle guide image is displayed in one color (e.g., blue) and the trailer guide image in another color (e.g., red). This color differentiation allows users to easily distinguish between the vehicle's path and the trailer's path while understanding their spatial relationship and relative angle
Solution Approach 2:
The patent adds angular information as an additional dimension to the path display. By showing not only the traveling paths but also the relative angle between the vehicle and trailer, the system provides three-dimensional spatial understanding (position + orientation) through a two-dimensional display, enabling users to grasp both the path and the angular relationship simultaneously
Data Source
AI summary
A control device has a processor which acquires external environment information of a moving object capable of first traveling and second traveling and towing a trailer, and controls to display a peripheral image of the moving object based on the external environment information. The processor controls to display a guide image superimposed on the peripheral image, in a state where the first traveling of the moving object is allowed. The guide image includes a first guide image showing a first traveling path of the moving object or the trailer when the moving object performs the first traveling from a current position. The first guide image is an image allowing to specify a predetermined position on the first traveling path where a relative angle between the moving object and the trailer is a predetermined angle.