Agricultural Control Knob Mode Switching for Operability
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Solution Overview
Problem
Agricultural machine user control terminals lack efficient operability, as existing systems do not effectively switch between direct functional control and menu item selection, limiting real-time operation and parameter setting capabilities.
Innovation Solution
A method and system for a user control terminal on an agricultural machine that employs a control knob with two modes of operation: a first mode for direct, real-time control of functional elements and a second mode for menu selection and parameter setting, allowing users to switch between instant operation and menu-driven control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the control terminal provides a user interface for receiving user input through multiple control elements, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The control knob is designed to perform multiple functions: it can operate in a first mode to directly control functional elements of the implement, and in a second mode to select menu items on the display. This multi-functionality allows a single control element to replace what would otherwise require multiple separate controls, improving ease of operation while managing device complexity
Solution Approach 2:
The control terminal dynamically switches between different operational modes for the control knob based on user interaction. When a request user input is detected, the system transitions from the first knob mode (direct functional control) to the second knob mode (menu selection), and vice versa. This dynamic behavior allows the interface to adapt its functionality, providing ease of operation for different tasks without requiring permanently dedicated controls for each function
2Productivity
If the control terminal allows direct real-time control of functional elements, then the productivity is improved, but the ease of operation deteriorates when menu navigation is required
Solution Approach 1:
The system dynamically switches between two operational modes: the first knob mode enables direct real-time control of functional elements for high productivity during operation, while the second knob mode enables menu navigation and parameter setting. The transition between modes is triggered by request user inputs, allowing the operator to efficiently switch between productivity-focused control and configuration tasks without confusion or mode-seeking errors
Solution Approach 2:
The control functionality is segmented into distinct modes: direct functional control mode and menu selection mode. This segmentation allows each mode to be optimized for its specific purpose - the first mode for rapid productivity-oriented adjustments and the second mode for deliberate parameter configuration - while using the same physical control knob, thereby maintaining ease of operation across different task types
Data Source
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AI summary
The disclosure refers to a method for controlling operation of a user control terminal of an agricultural machine, comprising providing an agricultural machine having a tractor and an implement trailed by or carried on the tractor; providing a user control terminal on the tractor, the user control terminal configured for receiving user input through a control knob; operating the control knob in a first knob mode of operation, comprising receiving a first function control user input through the control knob; in response to the receiving, generating first function control signals for a functional element of the implement in a control unit functionally connected to the functional element; operating the functional element according to the first function control signals; receiving a second function control user input through the control knob; in response to the receiving, generating second function control signals for the functional element of the implement in the control unit; and changing operation of the functional element for operating the functional element according to the second function control signals; receiving a request user input for changing knob mode of operation for the control knob; and in response to the receiving, operating the control knob in a second knob mode of operation, the user control terminal prevented from receiving function control user input through the control knob in the second knob mode of operation. Furthermore, an agricultural machine is disclosed.