Vehicle Guidance Feedback for Precise Mine Loading Maneuvers
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Solution Overview
Problem
Mining environments, particularly open pit surface mining environments, pose challenges due to the large size and limited maneuverability of vehicles like mine haul trucks, leading to inefficient loading operations and potential collisions, which can be catastrophic.
Innovation Solution
A system utilizing GPS and geolocation technology to guide operators or control autonomous vehicles, providing visual and feedback-based navigation assistance to position vehicles accurately with respect to other vehicles or geographical features, optimizing efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If visual guidance systems are used to improve positioning accuracy, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The system continuously monitors vehicle position using GPS receivers and provides real-time visual feedback through displays showing the vehicle's location relative to the desired path. The system calculates deviations from the planned trajectory and presents this information to the operator, enabling continuous correction of positioning errors without requiring complex automated control systems.
Solution Approach 2:
The patent introduces a computer system as an intermediary between the GPS receivers and the operator. This intermediary processes raw position data, calculates deviations from the desired path, and presents processed guidance information through visual displays. This intermediary layer simplifies the interface between complex positioning technology and the human operator while maintaining high positioning precision.
2Reliability
If automated guidance systems are implemented to reduce collision risks, then reliability is improved, but device complexity increases
Solution Approach 1:
The system provides continuous visual feedback about the vehicle's position relative to the desired path and nearby hazards. By keeping the operator informed of the vehicle's location and trajectory, the system enables the operator to make timely corrections to avoid collisions, thereby improving safety without requiring fully automated collision avoidance systems.
Solution Approach 2:
The guidance system empowers the operator to perform the safety function themselves by providing them with the necessary information about vehicle position and path deviation. Rather than automating the collision avoidance function, the system enables the operator to independently monitor and correct the vehicle's trajectory, maintaining simplicity while improving reliability.
3Productivity
If precise vehicle positioning is achieved to optimize loading operations, then productivity is improved, but measurement precision requirements increase
Solution Approach 1:
The system continuously provides feedback on the vehicle's position relative to the desired loading position and path. This real-time information allows the operator to make small adjustments to achieve precise positioning for loading operations, thereby improving productivity without requiring extremely high measurement precision from the GPS system itself.
Solution Approach 2:
The system provides more positioning information than strictly necessary by showing both the desired path and the vehicle's actual position. This excess information gives the operator flexibility to achieve adequate positioning precision for loading operations without requiring the GPS system to provide maximum possible precision, thereby improving productivity with moderate measurement capabilities.
Data Source
AI summary
A system and method for driver guidance are presented. A position sensor is mounted to a vehicle. The position sensor is configured to identify a position of the vehicle and a heading of the vehicle. A device is configured to generate a plurality of outputs. A controller is connected to the position sensor and the display device. The controller is configured to access, via a wireless communications network, a database to identify a target loading location for the vehicle, determine a location and a heading of the target loading location for the vehicle, and modify at least one of the plurality of outputs of the display device based upon at least one of the location and the heading of the target loading location.