VR Operator Training System for On-Site Heavy Machinery Assessment
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Solution Overview
Problem
Existing training methods for operating heavy machinery, such as asphalt compactors, are often impractical due to high acquisition costs of standalone training devices and the need for operators to travel for training sessions, and they do not allow for immediate training and assessment at the point of need.
Innovation Solution
A virtual reality-based operator training system using a head-mountable display device with hand controls, which generates graphical user interfaces for training scenarios specific to the machine and location, enabling immediate training and assessment of operators on-site.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standalone training device is provided for operator training, then training capability is improved, but acquisition cost increases significantly
Solution Approach 1:
The patent creates a virtual copy of the work site environment and machine operations through VR technology. Instead of purchasing expensive standalone training devices, the system renders a digital replica of the actual work site with virtual machines and equipment, allowing operators to train in this simulated environment. This copying approach provides comprehensive training capability while avoiding the high acquisition costs of physical training equipment.
Solution Approach 2:
The patent replaces physical mechanical training equipment with a software-based VR system. The training functionality is achieved through computer-generated virtual environments and software simulations rather than physical machines. This substitution eliminates the need for expensive hardware acquisition while maintaining full training capability through immersive virtual experiences.
2Device complexity
If training sessions are provided at fixed intervals or require travel, then training structure is simplified, but training time and operator availability are reduced
Solution Approach 1:
The VR training system enables operators to initiate and complete training sessions independently on-demand. The system provides self-contained training modules that operators can access whenever needed without requiring scheduled sessions or instructor presence. This self-service capability eliminates time loss associated with travel and scheduling while maintaining structured training through pre-programmed scenarios.
Solution Approach 2:
The system pre-loads training scenarios and virtual environments so that training can begin immediately when needed. All training content is prepared in advance and stored locally in the VR system, eliminating the need for last-minute travel or scheduling arrangements. Operators can access pre-configured training modules at any time, maximizing their availability and minimizing time loss.
3Object-affected harmful factors
If operators are trained before actually operating the machine, then operator safety is improved, but machine productivity is reduced due to training delays
Solution Approach 1:
The patent creates a virtual copy of the actual machine and work site environment where operators can practice operations safely before handling real equipment. The VR simulation replicates the physical machine's controls, layout, and operational scenarios, providing safe training that prepares operators for actual machine operation. This copying enables safety training without removing the machine from service, maintaining productivity while ensuring operator safety.
Solution Approach 2:
The system enables operators to complete training in advance through VR simulations, so they are ready to operate machines immediately when needed. By performing training actions beforehand in the virtual environment, operators gain competence without causing delays in actual machine deployment. This preliminary training action ensures both safety and productivity by preparing operators in advance without impacting machine availability.
Data Source
AI summary
Aspects disclosed herein provide an operator training system that can train an operator about basic machine movements, operations, and applications, such as asphalt compactor rolling patterns, paving-by-numbers, milling-by-numbers, etc. with the use of a virtual reality headset at any point or time on a work site. The operator training system uses data received from the virtual reality headset and associated hand controls to guide the operator via training scenarios. The operator training system also includes providing immediate feedback on the outcome of the training scenario and may also identify one or more areas of improvement.