Work Vehicle Steering Load Restriction in Stopped-State Operation
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Solution Overview
Problem
The steering device of work vehicles deteriorates when operated under high load conditions, particularly when the vehicle is in a stopped state, leading to potential damage and reduced lifespan.
Innovation Solution
A control system for work vehicles that includes a first operation command unit, a state monitoring unit, and a restriction determination unit to monitor and restrict the operation of the steering device based on its state, preventing excessive load application and subsequent deterioration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the steering device is operated while the work vehicle is in a stopped state under high load, then the steering operation can be performed, but the steering device deteriorates
Solution Approach 1:
The control device monitors the operation state of the steering device and provides feedback to determine whether to restrict operation. When high load is detected during stopped-state operation, the system automatically restricts further operation to prevent deterioration, resolving the contradiction between operational capability and device durability
Solution Approach 2:
The steering operation restriction is dynamically adjusted based on real-time monitoring of operation state. The system transitions between restricted and unrestricted operation modes depending on whether high load conditions are detected, allowing flexible operation while protecting against deterioration
Data Source
AI summary
A control system for a work vehicle includes a first operation command unit that outputs a first operation command to operate a steering device of a work vehicle in a first steering direction, in a stopped state of the work vehicle, a state monitoring unit that monitors a state of the steering device, a restriction determination unit that determines whether to restrict operation of the steering device in the first steering direction, based on the state during output of the first operation command, and a restriction command unit that restricts the operation of the steering device in the first steering direction, based on the determination by the restriction determination unit.