Adjustable Railway Simulator DMI Evaluation
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Solution Overview
Problem
Conventional railway vehicle simulators fail to provide adequate user convenience and system stability, and they do not effectively evaluate non-technical skill-based performance, such as danger awareness and decision-making, in railway driving-related workers, often requiring separate simulators for each vehicle type and lacking objective feedback on human performance.
Innovation Solution
An adjustable railway vehicle simulator with a storage unit, display, and control unit that allows for the flexible arrangement and evaluation of a driver machine interface (DMI) and joint training simulator, enabling the simulation of different vehicle types, scenarios, and evaluation of user input values against standard specifications, providing objective feedback on performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a driving cab is manufactured as a physical prototype for evaluation, then the design can be evaluated and tested, but it takes a lot of time and expense to manufacture and cannot be easily modified based on evaluation results
Solution Approach 1:
The patent creates a virtual copy of the driving cab using computer graphics and simulation technology. Instead of manufacturing physical prototypes, the system renders a virtual driving cab environment that can be evaluated, modified, and re-evaluated digitally. This allows multiple design iterations without the time and expense of physical reproduction, while maintaining evaluation reliability through realistic simulation of driving conditions and interface interactions.
2Adaptability or versatility
If individual simulators are used for each vehicle type, then training can be specialized for each vehicle, but it requires multiple separate simulators and cannot adapt to different vehicle types flexibly
Solution Approach 1:
The patent implements a universal simulator platform that can accommodate multiple vehicle types through configurable virtual environments. The system uses parameterized vehicle models and adjustable simulation scenarios that can be modified to represent different railway vehicle types without requiring separate physical simulators. This multi-functional approach allows a single simulator to serve multiple training purposes across various vehicle types.
Solution Approach 2:
The simulator employs dynamic configuration capabilities where vehicle parameters, track layouts, and operating conditions can be changed in real-time through software adjustment. This dynamic adaptability allows the same physical simulator hardware to dynamically reconfigure its virtual environment to match different vehicle types and training scenarios, eliminating the need for static, dedicated simulators for each vehicle type.
3Ease of operation
If conventional simulators focus on technical functions only, then training on operational procedures can be provided, but non-technical skills such as danger awareness and decision-making cannot be effectively evaluated
Solution Approach 1:
The patent implements comprehensive feedback mechanisms that go beyond simple operational correctness. The system monitors and evaluates multiple dimensions of trainee performance including decision-making quality, situational awareness, communication effectiveness, and adherence to safety protocols. Automated analysis algorithms process simulation data to provide objective feedback on non-technical skills, while instructors receive detailed reports to supplement their subjective assessments, thereby improving measurement precision for previously difficult-to-evaluate competencies.
Data Source
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AI summary
Disclosed are an adjustable railway vehicle simulator, a method of evaluating a driver machine interface (DMI) for a railway vehicle driving cab using the same, a joint training simulator for railway driving-related workers, and a method of evaluating a joint training for railway driving-related workers using the same. The adjustable railway vehicle simulator includes a storage unit configured to store a library corresponding to a device installed in a railway vehicle driving cab and data regarding a standard specification of the device; a display configured to display the library in an interface form; an input unit configured to call the library stored in the storage unit and receive a control command from a user to display the called library on the display; and a control unit configured to call the library according to the control command received through the input unit, output the called library to a designated position in the display in an interface form, and check whether the library matches a standard specification of the arranged interface, wherein the input unit includes a touchscreen.