Autonomous Mobile Robot Routing Around a Person’s Line of Sight
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Solution Overview
Problem
Existing autonomous mobile robots lack the ability to adaptively navigate and interact with their environment, particularly in recognizing and responding to the presence and state of individuals around their destination points, leading to inefficient and potentially disruptive movement patterns.
Innovation Solution
An autonomous mobile robot equipped with a sensor system that includes cameras, infrared, or ultrasonic sensors to detect and recognize individuals, allowing the robot to adjust its route and speed based on the detected state of the person, such as their line of sight, to approach in a way that minimizes visual interference and optimizes interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the autonomous mobile robot moves directly to the destination point along the shortest route, then the movement speed and productivity are improved, but the robot may cause visual interference or disruption to persons present around the destination point
Solution Approach 1:
The robot dynamically changes its movement route based on the detected state of persons around the destination point. When a person is detected within the visual field, the robot automatically selects an alternative route that avoids direct approach, thereby reducing visual interference while maintaining autonomous navigation capability
Solution Approach 2:
The robot uses detector feedback to continuously monitor the presence and state of persons around the destination point. This feedback mechanism enables the robot to adjust its movement strategy in real-time, switching between direct routing and alternative routing based on detected conditions
2Adaptability or versatility
If the autonomous mobile robot detects and responds to the state of persons around the destination point, then the adaptability and user experience are improved, but the device complexity increases due to additional detection and control mechanisms
Solution Approach 1:
The detector is designed to perform multiple functions: detecting presence of persons, determining their visual field, and providing this information to the controller for route adjustment. This multi-functionality reduces the need for separate specialized components, thereby managing complexity while enhancing adaptability
3Ease of operation
If the autonomous mobile robot adjusts its route to avoid persons, then the ease of operation and user experience are improved, but the movement time and productivity are reduced
Solution Approach 1:
The robot applies alternative routing only partially - specifically when persons are detected within the visual field at the destination point. When no persons are present, the robot uses the direct shortest route, thereby minimizing the impact on movement time while still providing unobtrusive approach when needed
Data Source
AI summary
An autonomous mobile robot includes a robot body, a movement unit, a detector, and a controller. The movement unit moves the robot body to a destination point. The detector detects a state of a person present around the destination point. The controller controls the movement unit so as to make the autonomous mobile robot approach the person present around the destination point along a travel route that differs depending on the state of the person detected by the detector.