Trailer Traction Motor Control for Work Vehicle Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The weight of trailers coupled to work vehicles, especially when loaded or encountering non-ideal ground conditions, affects the traction of the work vehicle, leading to reduced efficiency and increased risk of accidents.
Innovation Solution
A traction control system that includes a controller to determine and adjust the output force command for traction motors based on the difference between the work vehicle's traction force and a threshold, ensuring optimal ground-engaging traction by controlling the traction motors accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the work vehicle pulls a loaded trailer or encounters non-ideal ground conditions, then the traction demand increases, but the work vehicle's own traction is reduced
Solution Approach 1:
The patent introduces a trailer traction motor system as an intermediary to assist the work vehicle. The trailer traction motors provide additional propulsive force when the work vehicle experiences traction deficiencies, effectively mediating the traction demand between the work vehicle and the ground. This resolves the contradiction by adding an auxiliary force source without requiring the work vehicle to generate excessive traction force that would compromise its own stability.
2Measurement precision
If additional sensors and complex processing systems are added to improve traction control, then measurement precision improves, but device complexity increases
Solution Approach 1:
The patent implements a self-service approach where the existing work vehicle sensors (steering angle, brake pressure, engine torque, wheel speed) are reused for trailer traction control. The system automatically processes this existing data through the controller to determine trailer traction requirements, eliminating the need for additional dedicated sensors while maintaining precise traction control through intelligent algorithmic processing.
Data Source
AI summary
A traction control system and a method of controlling at least one traction motor of a trailer coupled to a work vehicle are provided. The method includes determining a work vehicle traction force, determining an output force command for at least one traction motor based at least partially on the work vehicle traction force, and controlling at least one traction motor according to the output force command.