Wearable Sensor System Correlating Environmental and Physiological Data
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Solution Overview
Problem
Wearable gas sensors face challenges in accurately detecting environmental gases due to poor selectivity, leading to false alarms in complex environments, and struggle to accurately analyze gases and other environmental parameters, limiting their utility in controlling environmental conditions and assets.
Innovation Solution
A sensor system comprising a first sensor for detecting environmental conditions and a second sensor for detecting physiological parameters, both communicatively coupled with a control unit that processes signals to determine correlations between environmental conditions and physiological responses, enabling responsive actions by the subject or asset.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If wearable gas sensors are used to detect environmental gases, then real-time tracking is achieved, but selectivity deteriorates leading to false alarms
Solution Approach 1:
The patent combines multiple gas sensors (first sensor, second sensor, third sensor) with different detection capabilities into a single wearable system. Each sensor targets different gas types or concentration ranges, and their signals are processed together to achieve both real-time tracking and improved selectivity through multi-parameter analysis
Solution Approach 2:
The control unit continuously receives signals from multiple sensors, processes them to determine gas presence and concentration, and provides responsive actions. The system uses feedback from physiological sensors to adjust detection thresholds and reduce false alarms by correlating environmental gas data with subject health status
2Ease of operation
If wearable gas sensors are used, then portability is achieved, but accuracy in detecting environmental parameters deteriorates
Solution Approach 1:
The wearable system integrates multiple functions including environmental gas detection, physiological parameter monitoring, and health status assessment into a single portable device. The control unit processes diverse data types (gas concentrations, heart rate, temperature) to provide comprehensive analysis that compensates for individual sensor limitations
Solution Approach 2:
The system employs a composite sensing approach combining multiple sensor technologies (chemical sensors for gases, physiological sensors for health parameters) with different operating principles. This composite structure allows the portable device to achieve high accuracy by cross-validating measurements across multiple sensing modalities
3Measurement precision
If multiple sensors are added to improve detection accuracy, then measurement precision improves, but device complexity increases
Solution Approach 1:
The system segments detection functions into specialized sensors (first sensor for specific gases, second sensor for physiological parameters, third sensor for additional environmental data). Each sensor module is independently optimized for its function, and the control unit processes segmented data streams separately before integrating results for comprehensive analysis
Data Source
AI summary
A sensor system includes a first sensor to detect environmental conditions of an environment in operational contact with a subject, a second sensor to detect physiological parameters of the subject in operational contact with an asset, and a control unit comprising one or more processors communicatively coupled with the first sensor and the second sensor. The processors receive a first signal from the first sensor indicative of the environmental conditions, and receive a second signal from the second sensor indicative of the physiological parameters of the subject, and determine a relation between the environmental conditions and the physiological parameters based on the first signal and the second signal. The processors determine a responsive action of the asset based on the first signal indicative of the environmental conditions of the environment or the second signal indicative of the physiological parameters of the subject in operational contact with the asset.