Wayside Friction Management System Voltage Feedback
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Solution Overview
Problem
Existing wayside friction management systems face challenges in consistently dispensing the appropriate quantity of friction control media due to variations in system hardware components, ambient conditions, and manufacturing variability, leading to inadequate friction modification.
Innovation Solution
A wayside friction management system that includes a data collection module connected to a remote performance unit (RPU), which collects real-time data on internal voltage, ambient conditions, and other parameters to adjust the friction control media delivery time of a pump to achieve a desired quantity on the track, using reference voltage values and initial settings to compensate for variability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If friction control media is applied to the track, then rail system performance is optimized and wear is reduced, but inconsistent dispensation occurs due to hardware variations and ambient conditions
Solution Approach 1:
The system incorporates sensors that continuously monitor actual friction control media dispensation and compare it against target values. This feedback loop enables real-time detection of deviations caused by hardware variations or ambient conditions, allowing the control system to adjust pump operation and maintain consistent dispensation despite external variability.
Solution Approach 2:
The system dynamically adjusts operational parameters such as pump speed, valve timing, and dispensation duration based on sensor feedback and pre-stored reference values. By changing these parameters in response to detected variations, the system compensates for hardware tolerances and environmental factors to achieve reliable friction control media application.
2Quantity of substance
If pump delivery time is extended to compensate for low voltage, then adequate friction control media is dispensed, but energy consumption increases
Solution Approach 1:
The system dynamically adjusts pump delivery time based on real-time voltage measurements and pre-stored reference values. Instead of using a fixed extended delivery time, the pump operation is optimized for each specific voltage condition, extending duration only when necessary to achieve adequate friction control media dispensation while minimizing unnecessary energy consumption during normal operating conditions.
3Productivity
If real-time sensor monitoring is implemented, then pump performance is optimized, but system complexity increases
Solution Approach 1:
The system uses pre-stored reference values and initial settings that enable automatic self-adjustment based on sensor input. The control unit compares real-time measurements against these stored references and autonomously determines optimal pump delivery parameters without requiring complex external processing or manual intervention, thereby maintaining productivity while limiting complexity growth.
Data Source
AI summary
A wayside friction management system, and method for monitoring and controlling a wayside friction management system is described. The system comprises one or more wayside device for mounting on a track of a rail system and configured to apply, through a delivery system, a friction control media onto a track. The wayside device further comprises one or more data collection module configured to collect and transmit data to a remote performance unit. The transmitted data is compared to reference values, and adjustments are made to the friction control media dispensing parameters, for example pump time, as required per the comparison. The data at least comprises measurements of the internal voltage of the delivery system. The wayside device may comprise a power source operatively connected to one or more components of the wayside device.