Wireless MU Locomotive Testing System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current multiple-unit (MU) train testing systems require multiple field technicians and lengthy cabling to test the integrity of MU components on locomotives, making the process inefficient and labor-intensive.
Innovation Solution
A system comprising a first and second test unit connected to the locomotive's MU receptacles via jumper cables, each with a transceiver, and a portable display unit with a wireless transceiver that communicates with both test units, allowing for wireless monitoring and testing of MU conductors using a ZigBee protocol, reducing the need for extensive cabling and multiple technicians.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a portable MU test unit is attached to each end of the locomotive with lengthy cabling to a central unit, then the MU system can be tested, but the system requires multiple field technicians and extensive cabling
Solution Approach 1:
The patent replaces the mechanical cabling system with a wireless communication system. The portable display unit communicates with the first and second test units via wireless transceivers using the ZigBee protocol, eliminating the need for lengthy physical cables to connect all test components to a central unit.
Solution Approach 2:
The patent introduces wireless transceivers as intermediary communication devices between the test units and the portable display unit. These transceivers enable data transmission without physical cable connections, serving as a mediator that replaces the traditional cable-based communication infrastructure.
2Reliability
If multiple field technicians are used to operate MU test units at both ends of the locomotive, then comprehensive testing can be performed, but labor requirements increase
Solution Approach 1:
The patent merges the control functions of both test units into a single portable display unit. The wireless transceivers transmit data from both the first and second test units to one display unit, allowing a single technician to operate the entire testing system rather than requiring multiple technicians at each locomotive end.
Solution Approach 2:
The portable display unit serves as a universal control interface for both test units. It can display and control testing operations at both the front and rear MU receptacles through wireless communication, making the system operable by a single technician regardless of which end of the locomotive is being tested.
3Ease of operation
If a long and heavy MU cable is run from each MU test unit to a central unit, then interface capability is achieved, but the system becomes cumbersome and difficult to operate
Solution Approach 1:
The patent replaces the heavy mechanical cable system with a wireless communication system. The transceivers transmit testing data and control signals wirelessly between the test units and the portable display unit, completely eliminating the need for long, heavy MU cables and making the system much easier to operate.
Data Source
AI summary
Described herein is a system for testing one or more multiple-unit (MU) conductors on a locomotive using a first and second test unit together with a portable display unit having a wireless transceiver for communicating with the test units. The portable display may include a panel of LED indicators corresponding to the MU conductors to be tested and a user interface in the form of a display screen. The system may be used for running both test procedures and monitoring procedures. The wireless portable display unit allows a single technician to run the procedures and review information from both test units without using long and heavy MU jumper cables.