Sustainable Hygiene Solutions: Developing a Foot-Operated Door Mechanism for Communal Spaces Using TRIZ and Universal Design Principles
Abstract
:1. Introduction
2. Materials and Methods
2.1. Implementation of TRIZ Method for Foot-Operated Door Mechanism
2.1.1. Design of a Foot-Operated Internal Switch Device for Doors Using TRIZ
2.1.2. Design of a Foot-Operated External Switch Device for Doors Using TRIZ
2.1.3. Design of an External Display Device for Door Usage Using TRIZ
2.2. Implementation of Ergonomics and Universal Design for Foot-Operated Door Mechanism
2.3. Survey Design
3. Results
3.1. Structure of the Foot-Operated Door Mechanism
3.2. Component Overview of the Foot-Operated Mechanism
3.2.1. Spring Housing Assembly
3.2.2. Indicator Block Assembly
3.2.3. External Pedal for Horizontal Lock
3.2.4. External Door Pedal and Connection Sleeve
3.2.5. External Pedal Mechanism
3.2.6. External Door Rotary Mechanism
3.2.7. Door-Opening Pulley Assembly
3.2.8. Horizontal Latch Mechanism
3.3. Design of the Pedal Latch Mechanism
3.4. Overview of the Foot-Operated Mechanism Design
3.5. Application of Universal Design Principles
3.6. Combination Analysis of IPA and KANO Models for Various Services of Foot-Operated Door Mechanism Design
4. Discussion
- Design of Spring Mechanism for Automatic Door Closure:
- 2.
- Design of Door Bolt Fasteners:
- 3.
- Design of Pedal Mechanism:
5. Conclusions
6. Patents
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A. Summary of the 39 Engineering Parameters
1. Weight of moving object | 11. Stress or pressure | 21. Power | 31. Object-generated harmful factors |
2. Weight of stationary object | 12. Shape | 22. Loss of energy | 32. Ease of manufacture |
3. Length of moving object | 13. Stability of the object’s composition | 23. Loss of substance | 33. Ease of operation |
4. Length of stationary object | 14. Strength | 24. Loss of information | 34. Ease of repair |
5. Area of moving object | 15. Duration of action by a moving object | 25. Loss of time | 35. Adaptability or versatility |
6. Area of stationary object | 16. Duration of action by a stationary object | 26. Quantity of substance/the matter | 36. Device complexity |
7. Volume of moving object | 17. Temperature | 27. Reliability | 37. Difficulty of detecting and measuring |
8. Volume of stationary object | 18. Illumination intensity | 28. Measurement accuracy | 38. Extent of automation |
9. Speed | 19. Use of energy by moving object | 29. Manufacturing precision | 39. Productivity |
10. Force | 20. Use of energy by stationary object | 30. External harm affects the object |
Appendix B. Summary of the 40 Invention Principles
1. Segmentation | 11. Beforehand cushioning | 21. Skipping | 31. Porous material |
2. Tanking out | 12. Equipotentiality | 22. Convert harm into benefit | 32. Changing the color |
3. Local quality | 13. Do it in reverse | 23. Feedback | 33. Homogeneity |
4. Asymmetry | 14. Spheroidality–curvature | 24. Intermediary | 34. Discarding and recovering |
5. Merging | 15. Dynamicity | 25. Self-service | 35. Transformation of properties |
6. Universality | 16. Partial or excessive actions | 26. Copying | 36. Phase transition |
7. Nested doll | 17. Transition into a new dimension | 27. Cheap, short-lived objects | 37. Thermal expansion |
8. Anti-weight | 18. Mechanical vibration | 28. Replacement of mechanical system | 38. Accelerated oxidation |
9. Prior anti-action | 19. Periodic action | 29. Pneumatics and hydraulics | 39. Inert environment |
10. Preliminary action | 20. Continuity of useful action | 30. Flexible shells or thin films | 40. Composite materials |
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Avoid Deterioration Parameters Want to Improve Parameters | 19. Energy Required for Moving Object | 22. Energy Consumption | 36. Device Complexity |
---|---|---|---|
1. Weight of moving object | 35, 12 | 06, 02 | 26, 30 |
34, 31 | 34, 19 | 36, 34 | |
10. Force | 19, 17 | 14, 15 | 26, 35 |
10 | 10, 18 | ||
33. Ease of operation | 01, 13 | 02, 19 | 32, 26 |
24 | 13 | 12, 17 |
Avoid Deterioration Parameters Want to Improve Parameters | 22. Energy Consumption | 31. Harmful Side Effects | 36. Device Complexity |
---|---|---|---|
1. Weight of moving object | 06, 02 | 22, 35 | 26, 30 |
34, 19 | 31, 39 | 36, 34 | |
12. Shape | 14 | 35, 01 | 16, 29 |
01, 28 | |||
33. Ease of operation | 02, 19 | 32, 26 | |
13 | 12, 17 |
Avoid Deterioration Parameters Want to Improve Parameters | 22. Energy Consumption | 31. Harmful Side Effects | 36. Device Complexity |
---|---|---|---|
10. Force | 19, 17 | 13, 03 | 26, 35 |
10 | 36, 24 | 10, 18 | |
27. Reliability | 21, 11 | 35, 02 | 13, 35 |
27, 17 | 40, 26 | 01 | |
33. Ease of operation | 01, 13 | 32, 26 | |
24 | 12, 17 |
Variables | Numbers | Percentage (%) | |
---|---|---|---|
Gender | |||
Male | 115 | 52.27% | |
Female | 105 | 47.73% | |
Age | |||
20–29 | 37 | 16.82% | |
30–39 | 26 | 11.82% | |
40–49 | 82 | 37.27% | |
>=50 | 75 | 34.09% | |
Occupation | |||
Business | 88 | 40.00% | |
Education | 3 | 1.36% | |
Engineering | 3 | 1.36% | |
Housekeeping | 19 | 8.64% | |
Manufacturing | 12 | 5.45% | |
Government | 8 | 3.64% | |
Service industry | 77 | 35.00% | |
Student | 10 | 4.55% | |
Education level | |||
Junior hjigh school | 3 | 1.36% | |
Senior high school | 78 | 35.45% | |
University | 121 | 55.00% | |
Graduate school | 18 | 8.18% | |
Monthly income | |||
<10,000 (TWD) | 15 | 6.82% | |
10,000–30,000 (TWD) | 57 | 25.91% | |
30,000–50,000 (TWD) | 70 | 31.82% | |
50,000–60,000 (TWD) | 38 | 17.27% | |
>60,000 (TWD) | 40 | 18.18% |
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Share and Cite
Yao, K.-C.; Cheng, C.-N.; Li, K.-Y.; Xu, J.-R.; Huang, W.-L.; Ho, W.-S.; Liao, C.-W.; Yang, S.-C.; Hsiao, H.-L.; Lin, Y.-C.; et al. Sustainable Hygiene Solutions: Developing a Foot-Operated Door Mechanism for Communal Spaces Using TRIZ and Universal Design Principles. Sustainability 2024, 16, 8415. https://doi.org/10.3390/su16198415
Yao K-C, Cheng C-N, Li K-Y, Xu J-R, Huang W-L, Ho W-S, Liao C-W, Yang S-C, Hsiao H-L, Lin Y-C, et al. Sustainable Hygiene Solutions: Developing a Foot-Operated Door Mechanism for Communal Spaces Using TRIZ and Universal Design Principles. Sustainability. 2024; 16(19):8415. https://doi.org/10.3390/su16198415
Chicago/Turabian StyleYao, Kai-Chao, Chun-Nu Cheng, Kuo-Yi Li, Jing-Ran Xu, Wei-Lun Huang, Wei-Sho Ho, Chin-Wen Liao, Shu-Chen Yang, Hui-Ling Hsiao, Yin-Chi Lin, and et al. 2024. "Sustainable Hygiene Solutions: Developing a Foot-Operated Door Mechanism for Communal Spaces Using TRIZ and Universal Design Principles" Sustainability 16, no. 19: 8415. https://doi.org/10.3390/su16198415