Moving Body System With Dynamic Camera Orientation
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Solution Overview
Problem
Existing moving body systems with stereo cameras face delays in obtaining surrounding area information when the movement direction changes, particularly when turning left or right, as the visual line direction of the cameras remains fixed, leading to potential collisions with objects or pedestrians.
Innovation Solution
A moving body system equipped with an imaging device, a visual line direction changing mechanism, and a control unit that adjusts the visual line direction in sync with the movement direction changes, allowing the camera to capture a predetermined area outside the vehicle and adapt its field of view dynamically based on steering operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the stereo camera is secured in a fixed position, then the device complexity is reduced and ease of manufacture is improved, but the time for obtaining surrounding area information increases when movement direction changes
Solution Approach 1:
The imaging device is made dynamically adjustable through a visual line direction changing mechanism that can alter the camera's viewing angle in response to vehicle movement direction changes. This dynamic adjustment allows the system to maintain optimal observation of the surrounding area without requiring multiple fixed cameras, thus reducing time loss while managing device complexity.
Solution Approach 2:
The control unit receives feedback about the vehicle's movement direction (from steering operations) and automatically adjusts the visual line direction of the imaging device accordingly. This feedback mechanism ensures the camera continuously captures relevant surrounding area information without manual intervention, resolving the time delay issue while maintaining system simplicity.
2Adaptability or versatility
If the visual line direction of the imaging device remains fixed, then the device complexity is reduced, but the ability to capture objects outside the driver's field of view deteriorates during directional changes
Solution Approach 1:
The imaging device incorporates a visual line direction changing mechanism that enables dynamic adjustment of the camera's viewing angle. This allows the system to adapt its observation direction to match vehicle movement changes, improving adaptability while avoiding the need for multiple fixed cameras that would increase device complexity.
Solution Approach 2:
A single imaging device is designed to perform multiple functions: it can capture both the driver's field of view and areas outside it by adjusting its visual line direction. This multi-functionality provides adaptability to different movement scenarios without requiring separate specialized cameras for each function, thus managing device complexity.
3Productivity
If the imaging device captures a fixed predetermined area, then the device complexity is reduced and ease of operation is improved, but the productivity of obtaining surrounding area information decreases when movement direction changes
Solution Approach 1:
The system dynamically adjusts the predetermined capture area of the imaging device based on vehicle movement direction. When the vehicle turns, the visual line direction changes mechanism repositions the camera's field of view to continue capturing relevant surrounding areas, thereby maintaining high productivity in information acquisition without requiring complex multi-camera systems.
Solution Approach 2:
The control unit uses feedback from steering operation detection to automatically adjust the imaging device's capture area. This real-time feedback control ensures the system continuously optimizes which areas are captured, improving productivity by focusing resources on relevant regions rather than maintaining a fixed, potentially obsolete field of view.
Data Source
AI summary
A moving body system includes an imaging device attachable to a moving body, a visual line direction changing mechanism configured to change a visual line direction of the imaging device and a control unit configured to change the visual line direction of the imaging device in accordance with changing of a movement direction of the moving body.