Optical Article Sensing for Stable Aerosol Device Signal Detection
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Solution Overview
Problem
Existing aerosol provision devices struggle with inconsistent performance due to varying receiver signal strengths from aerosol-generating articles, leading to inefficiencies in determining article information and adjusting operation parameters accordingly.
Innovation Solution
An aerosol provision device equipped with an article sensor and processor that modifies operation parameters, such as transmitter signal strength or receiver sensitivity, to enhance receiver signal strength when it falls below a detection threshold, using a machine learning algorithm to adjust increments based on experience data and article-specific information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the transmitter signal strength is increased to improve receiver signal strength, then the receiver signal strength increases, but the power consumption increases
Solution Approach 1:
The transmitter signal strength is made dynamic and adjustable rather than fixed. The system modifies the transmitter signal strength incrementally based on detected signal levels, allowing optimal power consumption while maintaining reliable detection. This resolves the contradiction by adapting the signal strength to actual needs rather than using a constant high level.
Solution Approach 2:
The system implements feedback by monitoring the receiver signal strength and using this information to adjust the transmitter signal strength. The processor detects the signal level and modifies the transmitter output accordingly, creating a closed-loop control system that maintains reliable detection while minimizing unnecessary power consumption.
2Use of energy by moving object
If the operation parameter is modified incrementally to maintain signal strength within thresholds, then the power consumption is reduced, but the complexity of the control system increases
Solution Approach 1:
The system applies partial action by making incremental modifications to the operation parameter rather than large changes. This approach reduces power consumption by only adjusting the transmitter signal strength when necessary and by small amounts, avoiding excessive power usage while keeping the control logic relatively simple through a straightforward iterative adjustment process.
3Reliability
If the receiver sensitivity is increased to improve signal detection, then the receiver signal strength increases, but the device complexity increases
Solution Approach 1:
The system changes the transmitter signal strength parameter rather than modifying the receiver sensitivity. This approach maintains simple receiver hardware while achieving improved signal detection through parameter adjustment on the transmitter side, avoiding the complexity that would arise from making the receiver more sensitive.
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
Ensures accurate determination of article information and optimized operation parameters, enhancing device performance and reducing power consumption by incrementally adjusting settings to maintain signal strength within thresholds.
Implementation Method 1
The transmitter signal may be reflected from the article to cause the receiver signal to reach the receiver
Data Source
AI summary
An aerosol provision device is configured to receive at least a portion of an article having aerosol generating material, the aerosol provision device including an article sensor and a processor, wherein the article sensor includes a receiver for receiving a receiver signal from the article, the receiver signal indicative of article information, wherein the processor is configured to: determine whether the receiver signal has a receiver signal strength below a detection threshold; and in response to the receiver signal strength being below the detection threshold, modify an operation parameter of the article sensor to increase the receiver signal strength.