Control method of work vehicle, work vehicle control program, work vehicle control system, and work system
Pith reviewed 2026-05-27 08:01 UTC · model grok-4.3
The pith
Work vehicle automatic steering detects override via motor torque and then revises its own detection threshold.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
In automatic steering mode the controller monitors torque generated by the steering motor, declares an override state when the torque satisfies a stored determination condition, and then modifies that condition once the override state has been asserted.
What carries the argument
Torque-based override determination condition that is updated after the first detected override.
If this is right
- The system becomes less likely to fight the driver after the first manual intervention.
- Detection sensitivity can be raised or lowered automatically without external input.
- The same torque signal serves both for initial detection and for subsequent adaptation.
Where Pith is reading between the lines
- The method may reduce nuisance interventions on uneven ground once the threshold has relaxed.
- Similar adaptive logic could be tested on other torque-actuated automated systems such as electric power steering in passenger vehicles.
Load-bearing premise
Motor torque alone can reliably and quickly distinguish an intentional human steering input from disturbances such as bumps or wheel slip.
What would settle it
Field test data in which terrain-induced torque spikes trigger repeated false override declarations even after the condition has been adjusted.
read the original abstract
1 . A control method of a work vehicle having an automatic steering mode for automatically steering a steered wheel using a motor, comprising: in the automatic steering mode, controlling the motor; determining whether the work vehicle is in an override state on the basis of a determination condition related to torque generated in the motor; and changing the determination condition when the work vehicle is determined to be in the override state.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The manuscript discloses a control method for a work vehicle equipped with an automatic steering mode. In this mode the motor is controlled, an override state is declared when motor torque satisfies a determination condition, and the condition itself is altered once override is detected. The disclosure is presented as a sequence of procedural steps without accompanying data, simulations, or formal analysis.
Significance. If the torque-based detection logic proves robust, the approach could simplify override handling in autonomous agricultural or construction vehicles by eliminating the need for additional sensors. No empirical support or invariance analysis is supplied, so significance remains speculative.
major comments (1)
- [Abstract] Abstract (and corresponding claim language): the method asserts that override can be reliably inferred from motor torque alone and that simply changing the torque threshold solves detection; no mechanism is described that separates intentional driver torque from exogenous disturbances (wheel slip, ground unevenness, payload shift) whose spectral content can overlap driver input.
Simulated Author's Rebuttal
We thank the referee for the review. The document is a patent application whose claims define a control method; it does not present experimental data or invariance proofs, consistent with its statutory purpose.
read point-by-point responses
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Referee: [Abstract] Abstract (and corresponding claim language): the method asserts that override can be reliably inferred from motor torque alone and that simply changing the torque threshold solves detection; no mechanism is described that separates intentional driver torque from exogenous disturbances (wheel slip, ground unevenness, payload shift) whose spectral content can overlap driver input.
Authors: The claims do not assert that torque alone 'reliably' separates driver intent from disturbances under all conditions. They define a procedural sequence: motor control in automatic mode, an override declaration based on a torque-related condition, and an alteration of that condition once override is declared. Distinguishing intentional torque from disturbances is left to the specific determination condition chosen by the implementer; the inventive step is the dynamic change of the condition itself after the first detection. No filtering or spectral-separation mechanism is claimed because none is required by the disclosed method. revision: no
- Absence of empirical validation or robustness analysis, which is outside the scope of a patent disclosure focused on the claimed procedural steps.
Circularity Check
No derivation or equations; purely procedural patent claim
full rationale
The patent text consists solely of a sequence of control steps (motor control, torque-based override test, threshold change) with no equations, fitted parameters, predictions, or citations. No load-bearing step reduces to its own inputs by construction, self-citation, or renaming. The reader's assessment of zero circularity is confirmed by direct inspection of the provided abstract and claim language.
discussion (0)
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