Title

Bioinspired Designs for Wearable Strain Sensors and Self-Powered Tactile Sensors

DGIST Authors

Chaehyun Ryu ; Hoe Joon Kim ; Kyung-In Jang

Advisor

김회준

Co-Advisor(s)

Kyung-In Jang

Issued Date

2023

Awarded Date

2023-02-01

Citation

Chaehyun Ryu. (2023). Bioinspired Designs for Wearable Strain Sensors and Self-Powered Tactile Sensors. doi: 10.22677/THESIS.200000659233

Type

Thesis

Description

Bioinspired design, Tactile sensors, Strain sensors, Piezoresistivity, Piezoelectricity, Pyroelectricity, Thermal conduction, Biomechanical applications, 생체 영감 디자인, 촉각 센서, 인장 센서, 압저항 효과, 압전 효과, 초전 효과, 열 전도, 생체 역학 어플리케이션

Table Of Contents

Chapter 1. Introduction
1.1 Bioinspired designs 1
1.2 Strain sensors 4
1.3 Tactile sensors 7
1.4 Dissertation overview 10
1.5 References 12

Chapter 2. Adhesive PDMS and CNT based self-attachable flexible strain sensor
2.1 Introduction 18
2.2 Analytical modeling 22
2.3 Results and discussions 26
2.4 Experimental section 40
2.4.1 Preparation of adhesive PDMS and MWCNT solution 40
2.4.2 The fabrication process of flexible a-PDMS/CNT strain sensor 40
2.4.3 Sensor Characterization and Measurements 41
2.5 Conclusion 43
2.6 References 44

Chapter 3. PVDF-BiTO composite based self-powered tactile sensor
3.1 Introduction 49
3.2 Results and discussions 53
3.3 Experimental section 62
3.3.1 Fabrication process of PVDF-BiTO based self-powered tactile sensor 62
3.3.2 Sensor characterization and measurements 63
3.4 Conclusion 64
3.5 References 65

Chapter 4. EPD Au-islands based crack strain sensor
4.1 Introduction 67
4.2 Results and discussions 72
4.3 Experimental section 98
4.3.1 Fabrication process of EPD Au-islands based crack strain sensor 98
4.3.2 Device characterization and biomechanical sensing experiments 99
4.4 Conclusion 101
4.5 References 102

Chapter 5. Pyroelectric-based PZT thermal sensation sensor for material recognition
5.1 Introduction 106
5.2 Results and discussions 108
5.3 Experimental section 116
5.3.1 Preparation of PZT thermal sensation sensor 116
5.3.2 Characterization of PZT thermal sensation sensor 116
5.4 Conclusion 118
5.5 References 119

Chapter 6. Conclusions
6.1 Future outlook 121
6.1.1 Main limitations that need to be solved 121
6.1.2 Potential related future works 122
6.2 References 125

URI

http://hdl.handle.net/20.500.11750/45677
http://dgist.dcollection.net/common/orgView/200000659233

DOI

10.22677/THESIS.200000659233

Degree

Doctor

Department

Department of Robotics and Mechatronics Engineering

Publisher

DGIST

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