Smart Fabric Sensor Nodes for Real-Time Damage Detection

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Solution Overview

Problem

Conventional methods for detecting tears, torsion, or strain in fabrics, such as visual inspection or tactile observation, are inefficient and not feasible for real-time notification, especially in scenarios like assaults where immediate action is required.

Innovation Solution

Integration of IoT sensors into fabrics to detect conditions like tears, torsion, or strain, with a control unit and transmitter to analyze data and generate notifications in real-time, such as alerts to law enforcement or family members.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If visual inspection or tactile observation is used to detect fabric damage, then the detection method is simple and does not require complex equipment, but the response time is delayed and real-time notification cannot be achieved

Engineering Contradiction:
Improveresponse timeVSAvoiddetection system complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The patent replaces manual visual inspection and tactile observation (mechanical systems) with electronic sensors, processors, and transmitters. Sensor nodes detect fabric conditions electronically, the processor analyzes data automatically, and the transmitter sends notifications wirelessly, eliminating the need for human inspection and achieving real-time detection and notification.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The fabric integrated with sensor nodes, processors, and transmitters performs self-detection and self-notification. When fabric damage occurs, the embedded system automatically detects the condition, processes the data, and sends notifications without requiring external human intervention, enabling the fabric to monitor and report its own state in real-time.

Inventive Principle:
Principle #25Self-service

2Productivity

If manual inspection by employees is performed to detect fabric damage, then no additional detection equipment is needed, but the notification process is manual and time-consuming

Engineering Contradiction:
Improvenotification efficiencyVSAvoiddetection and notification system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces the manual inspection and notification process with an automated electronic system. Sensor nodes continuously monitor fabric conditions, the processor automatically analyzes data to detect damage, and the transmitter instantly sends notifications to authorities or guardians, eliminating manual intervention and significantly improving notification efficiency.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system establishes a continuous feedback loop where sensor nodes monitor fabric conditions, the processor analyzes the data in real-time, and when damage is detected, notifications are automatically sent. This closed-loop feedback system ensures immediate detection and response, replacing the slow manual inspection and notification process.

Inventive Principle:
Principle #23Feedback

3Reliability

If conventional detection methods are used, then the system is simple and does not require integrated sensors or processors, but real-time monitoring and automated notification cannot be achieved

Engineering Contradiction:
Improvedetection accuracyVSAvoidfabric integration complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent embeds sensor nodes, processors, and transmitters within the fabric structure itself. The sensor nodes are integrated into the fabric layers, the processor is incorporated into the fabric's electronic system, and the transmitter is embedded within the fabric assembly, creating a nested, multi-functional integrated system that achieves reliable real-time detection while maintaining fabric functionality.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentEP3353990B1Smart fabric that detects events and generates notifications and corresponding computing system and method
Publication Date: 2020.07.22 MICROSOFT TECHNOLOGY LICENSING LLC
  • EP3353990B1 patent drawingFigure 1
  • EP3353990B1 patent drawingFigure 2
  • EP3353990B1 patent drawingFigure 3

AI summary

Various technologies described herein pertain to smart fabric that includes a sensor array, which includes sensor nodes arranged at respective sites in the fabric. The sensor nodes are configured to output signals indicative of detected conditions at the respective sites in the fabric. The fabric can further include a transmitter and a control unit. The control unit can be configured to receive the signals indicative of the detected conditions at the respective sites in the fabric from the sensor nodes, and transmit, using the transmitter, data specifying the detected conditions at the respective sites in the fabric. The data can be transmitted to a computing system for analyzing a state of the fabric to detect an occurrence of an event. The event can be a tear of the fabric, a torsion in the fabric greater than a threshold torsion, a strain in the fabric greater than a threshold strain.