Augmented Reality Control for Motor Grader Blade Positioning
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Solution Overview
Problem
Current machinery control systems lack intuitive and efficient interfaces for operators to precisely control machinery operations, such as motor graders, which can lead to reduced productivity and increased operator fatigue due to the complexity of manual controls.
Innovation Solution
The implementation of an augmented reality system that uses a headset with a display and object sensors to detect real-world objects and the operator's hand movements, generating virtual handles and graphical elements to control machinery actuators, allowing for precise and intuitive operation of machinery through hand gestures and interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional manual controls are used for machinery operation, then the control system is simple and reliable, but the operator experiences increased fatigue and reduced precision in controlling machinery operations
Solution Approach 1:
The patent replaces traditional mechanical manual controls with an augmented reality interface that uses computer vision and gesture recognition. The object sensor and display system detect hand movements and translate them into control signals, substituting mechanical levers and switches with optical sensing and digital processing to reduce operator fatigue while maintaining control precision
Solution Approach 2:
The patent introduces virtual handles and graphical elements as intermediary interfaces between the operator and the machinery actuators. These virtual controls displayed through the AR headset serve as a mediator that translates natural hand gestures into precise control commands, improving ease of operation without directly complicating the underlying control system
2Productivity
If complex manual controls are used for precise machinery adjustment, then control precision can be maintained, but productivity decreases due to increased operator fatigue and time consumption
Solution Approach 1:
The augmented reality control system enables operators to perform adjustments intuitively through natural gestures without requiring complex control sequences. The system automatically tracks hand movements and translates them into appropriate control commands, allowing operators to make precise adjustments quickly and efficiently, thereby improving productivity while minimizing time loss
Solution Approach 2:
The system pre-positions virtual handles and control elements within the operator's field of view through the AR display, allowing immediate interaction without requiring the operator to search for or physically reach controls. This preliminary positioning of control interfaces enables rapid adjustments and reduces the time required for operational changes
Data Source
AI summary
Systems and methods are described for controlling an operation of machinery using augmented reality or virtual reality. A controller is configured to detect an object visible via a display based at least in part on sensor data received from an object sensor. The controller then generates and outputs on the display a graphical element corresponding to the detected object. The controller then monitors for interactions between an operator's hand and the graphical element and transmits control signals to a machinery actuator to control an operation of a tool of the machinery based at least in part on one or more detected interactions between the operator's hand and the graphical element.