Wearable Heatstroke Warning Using Personalized Risk Assessment
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Solution Overview
Problem
Existing warning systems fail to provide timely and appropriate treatment for poor physical health, illness, or injury of monitored individuals, particularly when supervisors or medical practitioners are outside the work area, and do not account for individual variations in risk assessment.
Innovation Solution
A warning system that calculates a degree of risk based on biological and environmental information, using a wearable device to issue warnings to the individual, supervisor, or medical facility based on individual acclimation and surroundings, reducing false reports and optimizing resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If heatstroke evaluation is performed based on biological information and environment information, then heatstroke prevention is improved, but the ability to provide timely treatment for other illnesses or injuries is not addressed
Solution Approach 1:
The warning system is designed to evaluate multiple types of health risks beyond heatstroke, including other illnesses and injuries. The risk evaluation unit calculates degrees of risk for various health conditions by comprehensively analyzing biological information from wearable devices and environment information, making the system versatile for different health emergencies while maintaining reliable heatstroke prevention capabilities
2Reliability
If warnings are issued only within the work area, then local heatstroke prevention is improved, but supervisors and medical practitioners outside the work area cannot implement timely treatment
Solution Approach 1:
The system implements a feedback mechanism where the warning issuance unit sends notifications to both portable terminals within the work area and external supervisors or medical practitioners. When the risk evaluation unit calculates a high degree of risk for heatstroke or other health conditions, warnings are transmitted to multiple recipients including those outside the work area, ensuring timely treatment can be initiated by external medical personnel
Solution Approach 2:
The system performs preliminary risk assessment continuously by acquiring biological information from wearable devices and environment information before health emergencies occur. This allows the risk evaluation unit to calculate degrees of risk in advance and issue warnings to external supervisors and medical practitioners before the monitored person actually experiences heatstroke or other illnesses, enabling preliminary preparation for timely treatment
3Device complexity
If uniform warning thresholds are used for all monitored persons, then system simplicity is maintained, but individual variations in risk assessment are not accounted for
Solution Approach 1:
The risk evaluation unit calculates individualized degrees of risk for each monitored person by analyzing their specific biological information (such as heart rate, body temperature, and other physiological data from wearable devices) combined with environment information. This allows the system to account for individual variations in physical condition, age, and health status, providing personalized risk assessment rather than applying uniform thresholds to all monitored persons
Data Source
AI summary
A warning system includes an information acquisition unit, a risk degree calculation unit and an alarm. The information acquisition unit acquires a heart rate and an acceleration, which are items of biological information pertaining to a monitored person, as well as temperature and humidity, which are items of environment information pertaining to surroundings of the monitored person. The risk degree calculation unit calculates a degree of risk relating to heatstroke in the monitored person based on the heart rate, acceleration, temperature, and humidity. The alarm issues a warning based on an extent of the calculated degree of risk. The alarm modifies a scope of the warning according to the extent of the degree of risk.