Self-driving shield: Intelligent systems, methodologies, and practice
- Publisher:
- ELSEVIER
- Publication Type:
- Journal Article
- Citation:
- Automation in Construction, 2022, 139
- Issue Date:
- 2022-07-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 1-s2.0-S0926580522001996-main.pdf | Published version | 15 MB |
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Shield machine is an essential device for underground space development, and unmanned intelligent control of self-driving shields is productive research in tunnel construction technology. This paper analyzes the control functions of shield machines and proposes the definition and grading of self-driving shields. Inspired by the theory of human performance models, a Shield Automatic Intelligent Control System (SHIELD_AICS) is designed based on the combination of a data-driven and a knowledge-driven approach. A traditional shield with manual control was installed with SHIELD_AICS and transformed into an intelligent self-driving shield named Zhiyu shield. The Zhiyu shield was applied to two tunnel construction projects in China and completed the first autonomous unmanned tunneling successfully in the world. The field operation test shows that the self-driving shield is capable of automatic continuous tunneling for a long distance without manual intervention, and the shield attitude and the ground settlement level can meet the engineering requirements during tunneling.
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