Locomotive Operator Control Unit Voice Message Relay
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Solution Overview
Problem
Existing remote control locomotive systems experience excessive voice radio traffic and interference due to broadcasted voice messages, which can distract other railyard personnel and limit the availability of the voice channel for critical communications.
Innovation Solution
Implementing a system that relays voice messages directly to the operator control unit via a radio frequency link, allowing digital storage and near-field wireless transmission to an earpiece, thereby reducing radio traffic and minimizing interference by broadcasting only to the intended operator, with optional repeaters for extended range and monitoring capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If voice messages are broadcasted over the voice radio channel, then operators receive status feedback from the locomotive, but excessive voice radio traffic and interference are generated that distracts other railyard personnel and limits channel availability
Solution Approach 1:
The patent extracts the voice message transmission function from the public voice radio channel and creates a dedicated digital communication channel between the locomotive control unit and operator control unit. This separates the status feedback traffic from the general voice communication channel, eliminating interference while ensuring reliable delivery of status information to operators.
2Loss of information
If voice messages are transmitted to all personnel in the geographic location, then comprehensive awareness is achieved, but radio etiquette and safety critical conversations are disrupted
Solution Approach 1:
The patent implements targeted delivery of voice messages to specific operator control units based on their identification, rather than broadcasting to all personnel in the geographic area. This localized approach ensures that only the relevant operator receives the status feedback, preventing disruption to other safety-critical conversations while maintaining necessary information flow.
3Loss of information
If the voice channel is used for status messages, then operators receive real-time feedback, but the channel availability for other railyard operations is reduced
Solution Approach 1:
The patent introduces a digital communication intermediary system that mediates between the locomotive control unit and operator control unit. This intermediary digital channel handles status message transmission, freeing up the voice radio channel for its primary purpose of safety-critical communications and other railyard operations, while still providing real-time feedback to operators.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces voice radio traffic, minimizes interference, and ensures critical communications are not disrupted, allowing voice messages to be directed specifically to operators, enhancing operational efficiency and safety by freeing up voice channels for other essential communications.
Implementation Method 1
a wireless communication device configured to transmit the command data to a locomotive control unit on the locomotive and receive a voice message from the locomotive control unit
Implementation Method 2
retrieve one of the multiple stored voice messages from memory corresponding to the received voice message number and transmit the retrieved voice message to an operator
Data Source
AI summary
According to various aspects, exemplary embodiments are disclosed of devices, systems, and methods related relaying voice messages to operator control units of a locomotive. In an exemplary embodiment, an operator control unit generally includes a user interface configured to receive one or more commands from an operator for controlling a locomotive, a wireless communication interface configured to transmit data to and receive data from a locomotive control unit of the locomotive, and memory configured to store multiple voice messages corresponding to the locomotive. The operator control unit also includes a processor configured to receive a voice message number from the locomotive control unit of the locomotive via the wireless communication interface, retrieve one of the multiple stored voice messages from memory corresponding to the received voice message number, and transmit the retrieved voice message to an earpiece of the operator via a wired transmission and/or near-field wireless transmission.