Wearable LIG Flexible Stress Sensor Based on Spider Web Bionic Structure

Round 1

Reviewer 1 Report

1. Line 40: It is necessary to explain what weaknesses this study was conducted to compensate for in terms of different characteristics.

2. Line 92: Regarding “In order to adapt to the sensor’s sensing needs”, even though sensing needs were said to be the movement of the body in the introduction, Further explanation is needed as to why it led to the simplification and circularization of this form.

3. Line 151: It is said that the optimal thickness for sensing is 5 mm, and the advantages at that time have been described later. It is necessary to compare the characteristics of thickness; thinner and thicker.

4. In Figure4(a), there is a thick noise signal between 0.0 and 0.4 in the ratio of delta R/R0 at 30% strain load. Explain the reason of that.

5. In order to sense the movement of the body folding or bending, it was tested only on a unidirectional straight line, but it is recommended to add results when applied in multiple directions.

 

Comments for author File: Comments.docx

Author Response

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Author Response File: Author Response.docx

Reviewer 2 Report

- 2 page, 53 line: usually Used as a support -> usually used as a support

 

- 5 page, 194 line:

On page 5, line 194, you stated that the change in resistance of the spider web structure corresponds to the change in stress in the 0-35% strain range. However, in Fig. 3(b), the range in which the strain change linearly with respect to the stress change is shown as 0 to 67%. please reply on this.

 

- On page 7, line 250, Figure 5 shows the durability test of a spider web sensor. You said that the resistance change rate did not change significantly for 3000 cycles, but about 10% relaxation was shown at the beginning and end of the test. It may be due to the characteristics of PDMS, which is a polymer material. As test conditions, we hope to include temperature and humidity information.

 

- In addition, polymer materials are sensitive to the effects of temperature and humidity and show nonlinear characteristic changes. Therefore, it is necessary to test how it affects the characteristics of static and dynamic sensors under various temperature and humidity conditions. Please present the results of this experiment.

Author Response

Please refer to the attachment

Author Response File: Author Response.docx

Round 2

Reviewer 2 Report

Since the temperature of the surrounding environment changes every day, it is necessary to test the sensitivity of the sensor to temperature and humidity changes. Hope to try it out in the future.