Projection System Control for Unit Failure Adaptation
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Solution Overview
Problem
Existing projection systems face challenges in efficiently displaying information when a part of the projection devices fails, as they struggle to adapt the image size and aspect ratio to fit the remaining projection ranges, leading to reduced visibility and incomplete image projection.
Innovation Solution
A control device and method that acquire attribute information for each content, allowing it to adjust the size and aspect ratio of images projected by remaining projection units, ensuring efficient information display by prioritizing content visibility and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the image is projected using all projection units, then the projection coverage is maximized, but the system cannot adapt when some projection units fail
Solution Approach 1:
The system dynamically adjusts the projection configuration based on the operational status of projection units. When a projection unit fails, the control device automatically recalculates and redistributes the projection areas among remaining units, changing the static projection layout to a dynamic adaptive one that maintains functionality despite component failure
Solution Approach 2:
The system changes key parameters including projection area distribution, image resolution allocation, and aspect ratio configurations when projection units fail. The control device modifies these parameters to optimize the use of remaining functional units, transforming the projection system from a fixed-parameter configuration to one that adapts its parameters based on operational conditions
2Adaptability or versatility
If the projection area is reduced to fit remaining projection units, then the system can continue operating with failed units, but the information display efficiency decreases
Solution Approach 1:
The projection system segments the overall projection area into multiple distinct regions, each assigned to specific functional projection units. When units fail, the system re-segments the projection area to optimize the use of remaining units, dividing the display content strategically to maintain information density and display efficiency within the reduced projection coverage
Solution Approach 2:
The system applies different quality levels and resolution allocations to different regions of the projection area based on the functional status of projection units. Critical information regions maintain higher quality standards while less critical areas are adjusted, creating a non-uniform quality distribution that preserves overall information display efficiency despite reduced total projection area
3Manufacturing precision
If the aspect ratio is maintained for all content images, then the image quality is preserved, but the projection cannot efficiently fill the available projection area when units fail
Solution Approach 1:
The system applies different aspect ratio handling strategies to different content images based on their importance and type. Critical content images maintain their original aspect ratios to preserve quality, while less critical images are allowed to be stretched or compressed to fill available space, creating a differentiated approach that balances quality preservation with area utilization
Solution Approach 2:
The system partially maintains aspect ratios rather than universally applying them to all content. By selectively maintaining aspect ratios only for important content while allowing flexible adjustment for other content, the system achieves a balance between preserving image quality where necessary and maximizing projection area utilization where possible
Data Source
AI summary
A control device controls projection by a plurality of projection units having different projection ranges. A control unit projects, by the plurality of projection units a first image in which a content is disposed on a first projection range having the projection ranges of the plurality of projection units. An acquisition unit acquires first attribute information associated with the content and indicating whether an aspect ratio is made to be changeable or is maintained in a case in which a size of the content is adjusted. The control unit projects a second image in which at least a part of the contents is disposed on a second projection range, and, in a state in which projection is performed by a projection unit except a part of the plurality of projection units, adjusts the size of the content in generation of the second image based on the first attribute information.