Vehicle Shunting Sensor Layout for Glare-Robust Target Positioning
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Solution Overview
Problem
Existing methods for maneuvering vehicles under freight containers face challenges due to glare and poor visibility, leading to accidents and damage, as sensor devices may not function effectively in adverse weather conditions or when obstructed.
Innovation Solution
A method utilizing a combination of optical sensor devices, including 2D and 3D LIDAR sensors and a stereo camera, arranged offset and adjustable to ensure robust monitoring and precise path calculation for vehicle maneuvering, allowing detection of the target object from different angles and heights, and enabling continued operation even when one sensor is obstructed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single optical sensor device is used for detecting the target object, then the device complexity is reduced, but the reliability of maneuvering decreases due to potential obstruction or glare affecting sensor function
Solution Approach 1:
The system divides the sensing function into multiple independent optical sensor devices (first sensor device and second sensor device) positioned at different locations on the vehicle. Each sensor independently monitors the target object, ensuring that if one sensor is obstructed or affected by glare, the other can still provide reliable detection data for safe maneuvering.
2Reliability
If multiple optical sensor devices are arranged at different positions, then the reliability of detection improves, but the device complexity increases
Solution Approach 1:
The system merges the data from multiple optical sensor devices (first sensor device at first position and second sensor device at second position) into a unified detection system. The evaluation unit processes information from both sensors together to determine the relative position and calculate the maneuvering path, achieving reliable detection while managing complexity through integrated processing.
3Reliability
If sensor devices are positioned to avoid glare, then the reliability of detection improves, but the ease of operation decreases due to limited positioning options
Solution Approach 1:
The system positions optical sensor devices at different spatial locations (first position and second position on the vehicle) to detect the target object from multiple angles. This multi-dimensional arrangement ensures that at least one sensor maintains reliable detection capability regardless of glare conditions, while the integrated processing maintains operational simplicity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables fast, safe, and robust maneuvering of vehicles into target positions, reducing accidents and ensuring high availability regardless of weather influences by providing improved monitoring and path calculation capabilities.
Implementation Method 1
A first LIDAR sensor arranged on a vehicle for detecting a target object and for determining a relative position between the vehicle and the target object based on laser beams reflected by the target object
Implementation Method 2
determining a relative position between the vehicle and the target object based on laser beams reflected by the target object
Implementation Method 3
A first stereo camera arranged on the vehicle for capturing images of the target object from first and second positions on the vehicle
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
The invention relates to a method for maneuvering a predetermined part (7) of a vehicle (1) into a target position given by a target object (2), comprising the following steps: detecting the target object (2) with a first optical sensor device (3) arranged on the vehicle (1), detecting the target object (2) with a second optical sensor device (4) arranged on the vehicle (1), which is arranged on the vehicle (1) offset relative to the first optical sensor device (3) in the longitudinal direction of the vehicle, and calculating a path of the predetermined part of the vehicle (7) into the target position using an image of the target object (2) detected by the first optical sensor device (3) and using an image of the target object (2) detected by the second optical sensor device (3).According to the invention, at least one of the two optical sensor devices (3, 4) detects whether the target object (2) is tilted laterally and/or along its longitudinal axis. This provides a means of enabling fast, safe, and robust shunting through improved monitoring of the shunting process and improved path calculation of the predetermined part (7) of the vehicle (1) into the target position.