Work Vehicle Screen Transition Control Using Screen Identifiers
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Solution Overview
Problem
Existing screen transition control systems for work vehicles struggle to correctly identify the current information display screen during transitions, leading to potential unintended operations by the operator.
Innovation Solution
A screen transition control system that includes an operation signal processor, a display panel, a screen manager, and a display instruction generator, which assigns screen identifiers to selected screens and uses operation data to generate display instructions, ensuring correct recognition of the current screen during transitions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the control section attempts to manage multiple information display screens with hierarchical structures, then the system can provide comprehensive information display capabilities, but the complexity of correctly identifying and managing the current screen increases
Solution Approach 1:
The patent introduces a screen identifier as an intermediary element that mediates between the control section and multiple information display screens. This screen identifier simplifies the management complexity by providing a unique reference for each screen, allowing the control section to track and manage the current screen without complex hierarchical tracking logic.
Solution Approach 2:
The patent segments the screen management system by assigning unique screen identifiers to each information display screen. This segmentation approach divides the complex task of managing multiple screens into manageable units, where each screen can be independently identified and controlled through its unique identifier.
2Ease of operation
If the system transitions between multiple information display screens, then the operator can access various information, but the risk of unintended operations increases due to incorrect screen identification
Solution Approach 1:
The patent implements a feedback mechanism where the control section continuously monitors and identifies the current screen through screen identifiers during transitions. This feedback ensures that the system always knows which screen is currently active, preventing unintended operations by confirming the correct screen context before executing operations.
Solution Approach 2:
The screen identifier acts as an intermediary that ensures reliable screen identification during transitions. By using this unique identifier, the system can accurately determine the current screen state, thereby maintaining operation accuracy and preventing unintended actions even as screens transition.
3Loss of information
If the control section uses complex hierarchical screen structures, then comprehensive information can be displayed, but the difficulty of detecting and measuring the current screen state increases
Solution Approach 1:
The patent introduces screen identifiers as intermediary elements that simplify the detection of the current screen state. Instead of complex hierarchical analysis, the control section can directly reference the screen identifier to determine which information display screen is currently active, making detection straightforward despite comprehensive information display requirements.
Solution Approach 2:
The patent creates a simplified representation (screen identifier) that copies the essential identification information of each screen without replicating the full hierarchical structure. This copying approach allows the control section to track the current screen state easily while maintaining complete information display capabilities.
Data Source
AI summary
A screen transition control system includes an operation signal processor 54configured to generate operation data based on at least one particular operation of an operation member 8a; a display panel 8B configured to display as a selected screen an information display screen selected from among a plurality of information display screens in a screen set; a screen manager 81 configured to provide a screen identifier manager 56 with a screen identifier assigned to the selected screen; and a display instruction generator 58 configured to generate, based on the screen identifier from the screen identifier manager 56 and the operation data, a display instruction including information to be displayed, the screen manager 81 being further configured to provide the display panel with a display signal for displaying an information display screen determined based on the display instruction.