Remote Machine Sensing Map for Hazard Zone Awareness
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Solution Overview
Problem
Operators have difficulty determining if a target is at a dangerous position relative to a vehicle, even when a monitoring image with a future vehicle position is displayed.
Innovation Solution
A remote control assistance system for working machines that includes sensors to detect the surrounding area and a display to show a sensing map with caution zones, emergency stop zones, and warning zones, emphasizing target objects based on their proximity to the machine, and adjusting display modes based on travel speed and steering angle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a monitoring image with future vehicle position is displayed, then the operator can see where the vehicle will be, but it remains difficult to determine whether a target is at a dangerous position
Solution Approach 1:
The patent applies local quality by displaying caution zones with different visual characteristics based on their location and danger level. The sensing map divides the surrounding area into multiple caution zones (emergency stop zone, warning zone) and displays each with distinct visual properties, allowing the operator to quickly identify the level of danger at different locations without needing to interpret complex spatial relationships from raw sensor data alone.
Solution Approach 2:
The patent transforms the three-dimensional spatial relationship between the vehicle and targets into a two-dimensional sensing map with added semantic dimensions. By mapping targets onto the sensing map with caution zone overlays, the system adds a dimension of danger assessment that makes it easy for the operator to understand positional relationships and danger levels simultaneously.
2Measurement precision
If multiple sensors and processing systems are added to improve target detection, then detection capability is enhanced, but device complexity increases
Solution Approach 1:
The patent merges multiple sensor inputs (laser sensors, ultrasonic sensors, cameras) into a unified sensing map display. Rather than showing separate readings from each sensor, the system combines their data to create a single integrated visual representation with overlaid caution zones, reducing the complexity of the display interface while maintaining comprehensive detection capabilities.
Solution Approach 2:
The sensing map acts as an intermediary between the complex sensor array and the operator. It translates raw sensor data from multiple sources into a simplified visual format that clearly indicates target positions and danger levels, bridging the gap between sophisticated detection hardware and human operator understanding.
Data Source
AI summary
A remote control assistance system for a working machine includes a sensor, and a remote apparatus including a display to display sensing information obtained through sensing by the sensor and a controller configured or programmed to cause the display to display a sensing map indicating a surrounding area of the working machine and a caution zone in the surrounding area and, when the sensing information includes a target in the surrounding area of the working machine, cause the display to display a target object indicating a position of the target on the sensing map.