Multilayer Textile Pressure Sensing for Precise IoT Control
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Solution Overview
Problem
Conventional textile sensors used in daily life products struggle to precisely measure pressure due to varying structures, and existing IoT technologies primarily focus on analyzing sensed information without effectively utilizing it for control purposes.
Innovation Solution
A pressure-measuring device with multiple conductive layers that compare resistance variations to determine precise pressure positions, coupled with a control unit that sends commands to peripheral devices based on measured pressure values, enhancing precision and enabling user control through IoT systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single-layer textile sensor is used in daily life products, then the device structure remains simple and installation is easy, but pressure measurement precision deteriorates due to varying product structures
Solution Approach 1:
The textile sensor is divided into multiple layers (first layer, second layer, third layer) with different functional characteristics. Each layer contributes to pressure sensing in a specific manner, and the combined output from multiple layers enables more accurate pressure measurement across varying product structures while maintaining individual layer simplicity.
Solution Approach 2:
The patent employs a composite structure combining multiple textile sensor layers with different material properties and sensing mechanisms. This composite approach allows the sensor system to adapt to various product structures and pressure conditions, improving measurement precision without requiring each individual layer to be overly complex.
2Adaptability or versatility
If conventional textile sensors are used, then installation in various daily life products is straightforward, but the ability to precisely sense pressure in products with various structures deteriorates
Solution Approach 1:
By segmenting the sensor into multiple layers with different sensing characteristics, the system can adapt to various product structures. Each layer responds differently to pressure applied through different product configurations, and the combined measurement enables precise pressure sensing across diverse applications.
Solution Approach 2:
The multi-layer textile sensor design provides universal applicability across different daily life products (cushions, mattresses, chairs, etc.). The sensor system can function effectively in various product structures while maintaining precise pressure measurement capability through the complementary responses of different layers.
3Extent of automation
If only information analysis is performed on textile sensor data, then the system remains simple, but the utility for IoT-based device control is limited
Solution Approach 1:
The system implements feedback control by continuously monitoring pressure values from the textile sensor and automatically adjusting peripheral device operations accordingly. When pressure exceeds or falls below predetermined thresholds, the control unit sends commands to peripheral devices to execute appropriate actions, creating a closed-loop automated control system.
Solution Approach 2:
The pressure measurement device autonomously determines whether to control peripheral devices based on measured pressure values without requiring manual intervention. The system self-manages the control logic by comparing pressure readings against predetermined values and automatically executing appropriate control commands, enabling hands-free operation.
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 solution increases pressure sensitivity and precision in measurement, allows for accurate detection of pressure positions, and enhances user convenience by enabling seamless control of daily life products through IoT integration.
Implementation Method 1
a control unit electrically connected with a layer of the textile sensor and the power supply unit, to determine a resistance variation sensed in the textile sensor through force applied to the textile sensor, and to determine a pressure value of the force applied to the textile sensor, based on the determined resistance variation
Data Source
AI summary
The present disclosure relates to a pressure measuring device using a textile sensor. In one embodiment the pressure measuring device includes: a textile sensor which exhibits conductivity; a power unit which supplies power to the pressure measuring device; and a control unit which is electrically connected to a textile sensor layer and the power unit, checks a resistance change value detected by the textile sensor by a force applied to the textile sensor, and determines the pressure value of the force applied to the textile sensor on the basis of the checked resistance change value, wherein the control unit checks a control command corresponding to the pressure value measured on the basis of the force applied to the textile sensor, and may transmit the control command to a pre-designated peripheral device. A function corresponding to the checked control command may be executed on the pre-designated peripheral device.