Locomotive Dynamic Braking Effectiveness Monitoring
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Solution Overview
Problem
Conventional locomotive braking systems, particularly dynamic braking systems, lack the ability to monitor and assess their operational effectiveness, leading to potential inefficiencies and safety concerns in railway operations.
Innovation Solution
A system comprising sensors and processors that measure parameters related to the operation of powered systems, such as locomotives, to determine the effectiveness of braking functions by evaluating changes in measured data against predetermined thresholds, enabling real-time monitoring and performance assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If dynamic braking systems are used in locomotives, then braking response time is improved, but the ability to monitor and assess braking effectiveness deteriorates
Solution Approach 1:
The patent implements a feedback system that continuously monitors braking effectiveness by comparing actual braking performance against expected performance thresholds. Sensors detect parameters such as deceleration rates and compare them to predetermined thresholds, providing real-time feedback on whether the dynamic braking system is functioning effectively. This resolves the contradiction by adding monitoring capability without compromising the fast response time characteristic of dynamic braking.
Solution Approach 2:
The patent introduces intermediary components including sensors, processors, and communication systems that mediate between the dynamic braking system and the monitoring function. These intermediaries capture braking performance data without interfering with the braking operation itself, allowing effective monitoring while preserving the rapid response characteristics of dynamic braking.
2Device complexity
If conventional braking systems are used, then system simplicity is maintained, but braking performance monitoring capability is lost
Solution Approach 1:
The monitoring system is designed to be self-contained, using its own sensors, processors, and communication modules to independently assess braking effectiveness without requiring external intervention or complex integration with existing locomotive systems. This maintains relative system simplicity while enhancing reliability through automated monitoring and alerting capabilities.
3Reliability
If braking effectiveness monitoring is implemented, then railway safety is improved, but system complexity increases
Solution Approach 1:
The monitoring system is segmented into distinct functional modules: sensing modules that detect braking parameters, processing modules that compare data against thresholds, and communication modules that transmit alerts. This segmentation allows each component to perform its function independently with relatively simple design, reducing overall system complexity while maintaining comprehensive safety monitoring capability.
Data Source
AI summary
A system is provided for monitoring the effectiveness of a braking function in a powered system. The system includes a sensor configured to measure a parameter related to the operation of the powered system. Additionally, the system includes a processor coupled to the sensor, to receive data related to the parameter. Subsequent to activating the braking function, the processor is configured to determine the effectiveness of the braking function of the powered system, based upon whether the parameter data varies by a predetermined threshold. A method and a computer software code are also provided for monitoring the effectiveness of a braking function in a powered system.