Rotatable Mouth Biometric Sensor for Robot Health Monitoring
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Solution Overview
Problem
Current robots lack the capability to effectively monitor and assist in user health care by acquiring stable biometric information, which is essential for providing personalized health management and emotional support.
Innovation Solution
A robot equipped with a biometric information sensor, a processor, and a mouth driver mechanism that rotates to expose the sensor for data acquisition, allowing for the collection of health state information such as heart rate, pulse, body temperature, and stress levels, and transmitting this data to a server for analysis and health care assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the biometric information sensor is continuously exposed to acquire health data, then the health monitoring capability is improved, but the sensor is vulnerable to contamination and damage
Solution Approach 1:
The robot opens its mouth in advance before the user places their finger, ensuring the biometric sensor is ready to immediately detect the finger upon contact. This preliminary action eliminates detection delays and ensures accurate health data acquisition without requiring continuous sensor exposure.
Solution Approach 2:
The mouth structure serves as an intermediary mechanism that controls sensor exposure. The sensor remains protected inside the mouth cavity and only becomes accessible when the mouth opens, acting as a mediator between the need for data acquisition and the need for sensor protection.
2Measurement precision
If the mouth opens frequently to expose the sensor, then biometric data acquisition is improved, but the mechanical wear and operational reliability deteriorate
Solution Approach 1:
The proximity sensor detects the user's approach in advance and triggers the mouth opening mechanism before contact occurs. This ensures the sensor is exposed only when needed, minimizing unnecessary mechanical movements while maintaining accurate biometric data acquisition capability.
Solution Approach 2:
The system uses the user's own finger as the trigger mechanism. When the user places their finger near the mouth, the proximity sensor automatically initiates the sensor exposure sequence, eliminating the need for separate control inputs and reducing overall operational cycles.
3Device complexity
If the robot structure is simplified without a rotatable mouth mechanism, then device complexity is reduced, but the ability to protect and expose the sensor on demand is lost
Solution Approach 1:
The mouth is divided into a fixed portion and a rotatable portion that can independently move. This segmentation allows the rotatable part to open and close for sensor exposure while the fixed portion remains stationary, providing control functionality without requiring the entire head or body to move.
Solution Approach 2:
The mouth structure transitions from a static design to a dynamic one with rotational capability. The rotatable portion can adjust its position based on operational needs, enabling the sensor to switch between exposed and protected states without complicating the overall head or body structure.
Data Source
AI summary
A robot according to an embodiment of the present disclosure includes a body which is provided with a battery therein, a head connected to a front or an upper side of the body, a mouth formed on one side of the head and include a fixed portion and a rotatable portion disposed below the fixed portion, a mouth driver configured to rotate the rotatable portion in a vertical direction, a biometric information sensor disposed inside the mouth and exposed to the outside during the lower rotation of the rotatable portion, and a processor configured to acquire health state information of a user through the biometric information sensor.