Forklift Remote Guidance Route Display for Obstacle Avoidance
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Solution Overview
Problem
Existing remote control systems for forklifts face difficulties in operating the forklift intuitively and easily, especially when obstacles are present between the forklift and the object being handled, which can complicate navigation and increase the risk of accidents.
Innovation Solution
The remote control system incorporates a camera on the forklift, a display unit for the operator, and a set of sensors to acquire and process coordinates. It includes a judgement section that determines if an obstacle is present and a guidance route display section that shows a clear path to the object, either straight or curved to avoid obstacles, on the display unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the operator relies solely on the display unit showing camera images to operate the forklift, then the operator can remotely control the forklift, but the operator cannot intuitively understand the position of obstacles and objects, making operation difficult
Solution Approach 1:
The system uses color-coded display of guidance routes (e.g., green for safe paths, red for obstacle areas) to provide intuitive spatial information to the remote operator, enabling easy understanding of the environment without being physically present
Solution Approach 2:
The system overlays two-dimensional guidance route information on the camera image display, adding navigational dimension to the visual field information and creating a composite view that combines real-time imaging with path guidance
2Reliability
If the operator manually navigates around obstacles while checking positions, then the operator can avoid obstacles, but the operation becomes time-consuming and complex
Solution Approach 1:
The system pre-calculates and displays guidance routes that automatically avoid obstacles before the forklift reaches them, allowing the operator to follow the pre-planned safe path without real-time decision-making delays
Solution Approach 2:
The system provides continuous feedback by displaying the guidance route on the display unit, showing the operator the recommended path and enabling real-time adjustments while maintaining efficient navigation
3Ease of operation
If the display unit shows only camera images without additional guidance information, then the system remains simple, but the operator cannot easily determine the correct path to the object
Solution Approach 1:
The display information is segmented into distinct functional layers: camera images for environmental awareness, guidance routes for navigation, and object markers for target identification, allowing the operator to process information systematically
Data Source
AI summary
A remote control system allows a forklift to be operated remotely in an intuitive and easy way even when an obstacle is present between the forklift and the object. The remote control system includes a guidance route display section that displays on a display unit a guidance route connecting the forklift and the object. The guidance route display section is configured to display a guidance route straightly connecting the forklift and the object if a judgement section judges that an obstacle is not present, or, if the judgement section judges that an obstacle is present, display a guidance route connecting the forklift and the object in a manner of avoiding the obstacle.