Work Vehicle Attachment Coupler Control Automation
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Solution Overview
Problem
Existing work vehicles require multiple setting changes to control attachment couplers with pitch, tilt, and angle adjustments, which can be cumbersome and inefficient for operators.
Innovation Solution
An electronic data processor communicatively coupled to boom and attachment coupler actuators, sensors, and an operator input device, executing machine-readable instructions to automate the movement of boom and attachment couplers based on operator inputs, simplifying the control of pitch, tilt, and angle adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple setting changes are required to control attachment coupler adjustments, then the attachment coupler can achieve precise pitch, tilt, and angle adjustments, but the operator input complexity and operation time increase
Solution Approach 1:
The system combines multiple attachment coupler adjustments (pitch, tilt, angle) into a single integrated control mechanism. The electronic data processor receives one operator input signal and automatically coordinates all necessary actuator movements to achieve the desired attachment position, eliminating the need for multiple separate setting changes while maintaining precise control
Solution Approach 2:
The system changes the control parameter from multiple independent settings to a single integrated command. By using sensors to detect current positions and the electronic data processor to calculate required adjustments, the system translates one operator input into coordinated movements of multiple actuators, reducing operational complexity while achieving precise positioning
2Adaptability or versatility
If multiple setting changes are required to control attachment coupler adjustments, then comprehensive control is achieved, but the operation time and efficiency decrease
Solution Approach 1:
The electronic data processor pre-calculates the required movements for all actuators based on the single operator input and current sensor readings. This preliminary computation allows the system to execute coordinated adjustments simultaneously or in optimized sequence, eliminating the time-consuming step-by-step setting changes while maintaining comprehensive attachment control capability
Solution Approach 2:
The system uses sensors to continuously monitor the positions of the boom assembly and attachment coupler, providing real-time feedback to the electronic data processor. This feedback mechanism allows the processor to make precise, automatic adjustments based on actual positions, reducing operation time while ensuring accurate and versatile attachment control
Data Source
AI summary
A work vehicle comprising a frame supported by a ground engaging device. A boom assembly is coupled to the frame. An attachment coupler is coupled to the boom assembly. An electronic data processor is communicatively coupled to a boom actuator, an attachment coupler actuator, a boom sensor, an attachment coupler sensor, and an operator input device. A computer readable storage medium comprising machine readable instructions that, when executed by the processor, cause the processor to receive an operator input and for a tilt forward command, command the boom actuator to move the boom assembly to a frame contact position and then command the attachment coupler actuator to move the attachment coupler towards a lower position. For a tilt rearward command, command the attachment coupler actuator to move the attachment coupler towards an upper position and then command the boom actuator to move the boom assembly towards a raised position.