Vehicle Access Control Using Non-Invasive Analyte Detection
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Solution Overview
Problem
Current methods for preventing intoxicated and tired driving are inadequate, as they primarily rely on invasive breathalyzer tests and do not comprehensively address other intoxicants or driver states.
Innovation Solution
A non-invasive vehicle access control system that uses an antenna array to detect analytes indicative of intoxication, tiredness, and other driver states, determining identity and status to condition vehicle access accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If breath-based alcohol measurements are used to prevent intoxicated driving, then alcohol intoxication can be detected, but other intoxicants and driver states cannot be comprehensively detected
Solution Approach 1:
The sensor system is designed to detect multiple types of analytes including alcohol, other intoxicants, and biomarkers indicative of driver states such as tiredness and sickness. This multi-functional detection capability allows a single system to address various safety concerns beyond just alcohol intoxication.
Solution Approach 2:
The system uses radio frequency signals in the electromagnetic spectrum to detect analytes non-invasively. By utilizing electromagnetic radiation at specific frequencies that interact with molecular bonds, the system can identify different substances based on their unique spectral signatures, enabling comprehensive detection while maintaining precision.
2Reliability
If invasive breathalyzer tests are used for access control, then alcohol detection is possible, but the process is cumbersome and time-consuming
Solution Approach 1:
The system replaces invasive mechanical breath sampling with non-invasive electromagnetic detection. Radio frequency signals can penetrate and interact with tissues to detect analytes without requiring physical collection of breath samples, significantly reducing the time and complexity of the access control process.
Solution Approach 2:
The sensor system performs detection as part of the normal vehicle access process, identifying driver status before the vehicle is started. This preliminary detection ensures safety checks are completed automatically without adding significant time to the access process.
3Reliability
If traditional identification devices are used for vehicle access, then unauthorized use can be prevented, but driver status cannot be verified
Solution Approach 1:
The system combines traditional identification verification with physiological status detection in a single integrated access control system. The sensor array detects both identity information and driver status (intoxication, tiredness, sickness) simultaneously, providing comprehensive security and safety verification without requiring separate systems.
Solution Approach 2:
The access control system performs multiple functions: identifying the driver, detecting intoxication, assessing tiredness, and determining overall fitness to drive. This multi-functional approach consolidates what would traditionally require separate systems into a single unified platform.
4Adaptability or versatility
If non-invasive analyte detection is implemented, then comprehensive driver status monitoring is achieved, but the device complexity increases
Solution Approach 1:
The system uses electromagnetic signals to create information copies of the driver's physiological state without physically contacting or invading the driver's body. Radio frequency signals reflect off or pass through tissues, carrying information about analyte concentrations that can be decoded to determine driver status non-invasively.
Solution Approach 2:
The system detects analytes by measuring changes in electromagnetic signal properties (frequency, phase, amplitude) caused by interaction with molecular bonds in the driver's tissues. By monitoring these parameter changes in the radio frequency signals, the system can identify different substances and their concentrations without complex physical sampling apparatus.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively prevents intoxicated driving by non-invasively detecting a range of intoxicants and driver states, reducing the likelihood of unauthorized vehicle use and enhancing safety.
Implementation Method 1
the transmit signal is in a radio or microwave frequency range of the electromagnetic spectrum
Implementation Method 2
the at least one receive antenna is positioned and arranged to detect a response resulting from transmission of the transmit signal by the at least one transmit antenna into the human target
Data Source
AI summary
Access to a vehicle is controlled based on the presence or amount of one or more analytes in a potential driver. The one or more analytes are detected using a non-invasive analyte sensor. The non-invasive analyte sensor may be included in a steering wheel of the vehicle, a touch point in the vehicle, or a mobile device of the potential driver. The one or more analytes are indicative of an identity and/or a status of the potential driver. The status of the potential driver may include the presence of amounts above a threshold for one or more intoxicants and/or indicators of tiredness or sickness. The access is based on the identity and/or status of the potential driver as indicated by the presence or amount of the one or more analytes.