Onboard Parameter Management for Work Vehicle Maintenance Settings
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Solution Overview
Problem
Existing parameter updating processes for work vehicles are unreliable and cumbersome, requiring external devices like maintenance PCs for pre-shipment inspection or maintenance, which is inconvenient and prone to errors.
Innovation Solution
A parameter management system for work vehicles that includes a display panel, non-volatile memory, and a manual operation member, allowing maintenance workers to update control parameters directly on the display panel without external devices, ensuring reliability and convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a maintenance PC or external device is connected to update parameters, then the parameter updating process is reliable, but the process becomes troublesome and complex
Solution Approach 1:
The work vehicle performs parameter updating operations autonomously using its own display panel and operation members, without requiring external maintenance PCs or devices. The control unit executes the updating process internally based on operations performed on the vehicle's own interface, making the system self-sufficient and eliminating the need for external equipment.
Solution Approach 2:
The parameter updating function is merged with the existing display panel and operation members of the work vehicle. The same display panel used for normal operations is utilized to display parameter values during updating, and the same operation members are used for both normal control and parameter updating, consolidating functions into a single integrated system.
2Loss of information
If a maintenance PC is connected to display parameter values, then the parameter value can be checked, but the process requires external equipment and becomes cumbersome
Solution Approach 1:
The display panel serves multiple functions: it displays normal operation information during regular work vehicle operation, and it displays parameter values during parameter updating operations. This multi-functional use eliminates the need for separate external display devices while maintaining full visibility of parameter information.
Solution Approach 2:
The work vehicle displays its own parameter values on its own display panel without requiring external PCs or devices. The control unit provides the parameter information to the display panel, enabling the vehicle to independently present all necessary information for parameter verification and updating.
Data Source
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AI summary
A parameter management system includes: a display panel (8B) provided for the work vehicle and configured to display information on a state of the work vehicle; a non-volatile memory (55a) configured to store a plurality of control parameters each for use to control a device provided for the work vehicle; a manual operation member (8a) for use to select a control parameter to be displayed on the display panel; and a changed parameter manager (55b) configured to, in response to an operation of the manual operation member (8a), set a value for a control parameter displayed on the display panel (8B) and write the value into the non-volatile memory (55a).