Work Vehicle Button Function Dynamic Assignment

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Solution Overview

Problem

Existing work vehicles lack an efficient method to dynamically change the functions assigned to touch and physical buttons based on work information, leading to operator confusion and reduced operational efficiency during work travel.

Innovation Solution

A work vehicle equipped with a touch-panel display and physical buttons, where the functions assigned to both types of buttons are dynamically changed based on work information, allowing operators to perform tasks using either touch or physical buttons, with corresponding functions displayed on the interface.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If functions are fixed on touch and physical buttons, then device complexity is reduced, but operator efficiency decreases during work travel due to confusion about button functions

Engineering Contradiction:
Improveoperator efficiencyVSAvoidbutton function management
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent implements dynamic function assignment where the functions of physical buttons and touch buttons are changed based on work information. The control unit dynamically switches between first functions (for work execution) and second functions (for work travel) depending on whether the work vehicle is performing work or traveling, thereby improving operator efficiency without requiring permanent complex wiring

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The physical buttons are designed to serve multiple functions: they can execute first functions related to work operations or second functions related to work travel based on the current state. This multi-functionality allows the same hardware to adapt to different operational contexts, reducing the need for separate buttons for each function while maintaining ease of operation

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If functions are dynamically changed based on work information, then operator efficiency is improved, but device complexity increases due to control circuitry requirements

Engineering Contradiction:
Improveoperator efficiencyVSAvoidcontrol circuitry
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges the control functions by having the control unit that manages work vehicle operations also handle the function switching of physical and touch buttons. This integrated approach consolidates control logic rather than adding separate dedicated circuits for button management, thereby improving operator efficiency while minimizing the increase in device complexity

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If separate functions are assigned to touch and physical buttons, then reliability is improved through redundancy, but ease of operation worsens due to operator confusion

Engineering Contradiction:
Improveoperation reliabilityVSAvoidbutton usability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system dynamically synchronizes the functions of physical buttons and touch buttons based on work information. When the work vehicle is in work execution mode, both button types execute first functions; when in work travel mode, both execute second functions. This dynamic synchronization maintains reliability through functional redundancy while eliminating operator confusion by ensuring both button types perform the same function at any given time

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10736256B2Work vehicle and display control method for work vehicle
Publication Date: 2020.08.11 KUBOTA CORP
  • US10736256B2 patent drawing
  • US10736256B2 patent drawing
  • US10736256B2 patent drawing

AI summary

A work vehicle includes a touch-panel display, at least one first physical button, and the circuitry. The touch-panel display is to display at least one first touch button, at least one first function, and work information. The at least one function is displayed in the at least one first touch button to which the at least one first function is assigned. The work information includes a state of work which the work vehicle performs. The at least one first physical button is provided outside the touch-panel display. The at least one first function is assigned to the at least one first physical button. The circuitry is configured to change the at least one first function assigned to the at least one first touch button and the at least one first physical button in accordance with the work information.