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Zhang C, Ma H, Chen Z, Li S, Ma Z, Huang H, Zhu R, Jiao P. YOLOX-DG robotic detection systems for large-scale underwater concrete structures. iScience 2024; 27:109337. [PMID: 38495821 PMCID: PMC10943120 DOI: 10.1016/j.isci.2024.109337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/17/2024] [Accepted: 02/21/2024] [Indexed: 03/19/2024] Open
Abstract
Large-scale complex underwater concrete structures have structural damage and the traditional damage detection method mostly uses manual identification, which is inaccurate and inefficient. Therefore, robotic detection systems have been proposed to replace manual identification for underwater concrete structures in ocean engineering. However, the highly corrosive and disruptive environment of the ocean poses great difficulties for the application. Here, we develop a manta ray-inspired underwater robot with well controllability to establish the damage datasets of underwater concrete structures, proposing the YOLOX-DG algorithm to improve the damage detection accuracy, and integrating the model into the robotic detection systems for underwater concrete damages. Eventually, the system is used for ocean testing in real applications (i.e., underwater marine harbors around the East China Sea), and satisfactory detection performance is obtained. The reported manta ray-inspired robotic detection system can be used to accurately monitor and analyze the underwater regions.
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Affiliation(s)
- Chenjie Zhang
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
| | - Hongkuan Ma
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
| | - Zhaochang Chen
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
| | - Shengquan Li
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
- Hainan Institute of Zhejiang University, Sanya, Hainan 572025, China
| | - Zhongze Ma
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
| | - Hui Huang
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
- Hainan Institute of Zhejiang University, Sanya, Hainan 572025, China
| | - Ronghua Zhu
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
| | - Pengcheng Jiao
- Ocean College, Zhejiang University, Zhoushan, Zhejiang 316021, China
- Engineering Research Center of Oceanic Sensing Technology and Equipment, Zhejiang University, Ministry of Education, Hangzhou, Zhejiang, China
- Hainan Institute of Zhejiang University, Sanya, Hainan 572025, China
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Hong L, Zhang H, Kraus T, Jiao P. Ultra-Stretchable Kirigami Piezo-Metamaterials for Sensing Coupled Large Deformations. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2303674. [PMID: 38044281 PMCID: PMC10837349 DOI: 10.1002/advs.202303674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/03/2023] [Indexed: 12/05/2023]
Abstract
Mechanical metamaterials are known for their prominent mechanical characteristics such as programmable deformation that are due to periodic microstructures. Recent research trends have shifted to utilizing mechanical metamaterials as structural substrates to integrate with functional materials for advanced functionalities beyond mechanical, such as active sensing. This study reports on the ultra-stretchable kirigami piezo-metamaterials (KPM) for sensing coupled large deformations caused by in- and out-of-plane displacements using the lead zirconate titanate (PZT) and barium titanate (BaTiO3 ) composite films. The KPM are fabricated by uniformly compounding and polarizing piezoelectric particles (i.e., PZT and BaTiO3 ) in silicon rubber and structured by cutting the piezoelectric rubbery films into ligaments. Characterizes the electrical properties of the KPM and investigates the bistable mechanical response under the coupled large deformations with the stretching ratio up to 200% strains. Finally, the PZT KPM sensors are integrated into wireless sensing systems for the detection of vehicle tire bulge, and the non-toxic BaTiO3 KPM are applied for human posture monitoring. The reported kirigami piezo-metamaterials open an exciting venue for the control and manipulation of mechanically functional metamaterials for active sensing under complex deformation scenarios in many applications.
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Affiliation(s)
- Luqin Hong
- Ocean CollegeZhejiang UniversityZhoushan316021China
- Shandong Institute of Advanced TechnologyJinan250000China
| | - Hao Zhang
- Ocean CollegeZhejiang UniversityZhoushan316021China
- Engineering Research Center of Oceanic Sensing Technology and EquipmentZhejiang UniversityMinistry of EducationChina
| | - Tobias Kraus
- INM‐Leibniz Institute for New Materials66123SaarbrückenGermany
- Saarland University, Colloid and Interface Chemistry66123SaarbrückenGermany
| | - Pengcheng Jiao
- Ocean CollegeZhejiang UniversityZhoushan316021China
- Engineering Research Center of Oceanic Sensing Technology and EquipmentZhejiang UniversityMinistry of EducationChina
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Jiao P, Mueller J, Raney JR, Zheng XR, Alavi AH. Mechanical metamaterials and beyond. Nat Commun 2023; 14:6004. [PMID: 37752150 PMCID: PMC10522661 DOI: 10.1038/s41467-023-41679-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 09/14/2023] [Indexed: 09/28/2023] Open
Abstract
Mechanical metamaterials enable the creation of structural materials with unprecedented mechanical properties. However, thus far, research on mechanical metamaterials has focused on passive mechanical metamaterials and the tunability of their mechanical properties. Deep integration of multifunctionality, sensing, electrical actuation, information processing, and advancing data-driven designs are grand challenges in the mechanical metamaterials community that could lead to truly intelligent mechanical metamaterials. In this perspective, we provide an overview of mechanical metamaterials within and beyond their classical mechanical functionalities. We discuss various aspects of data-driven approaches for inverse design and optimization of multifunctional mechanical metamaterials. Our aim is to provide new roadmaps for design and discovery of next-generation active and responsive mechanical metamaterials that can interact with the surrounding environment and adapt to various conditions while inheriting all outstanding mechanical features of classical mechanical metamaterials. Next, we deliberate the emerging mechanical metamaterials with specific functionalities to design informative and scientific intelligent devices. We highlight open challenges ahead of mechanical metamaterial systems at the component and integration levels and their transition into the domain of application beyond their mechanical capabilities.
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Affiliation(s)
- Pengcheng Jiao
- Ocean College, Zhejiang University, Zhoushan, Zhejiang, China
| | - Jochen Mueller
- Department of Civil and Systems Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Jordan R Raney
- Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA, USA
| | - Xiaoyu Rayne Zheng
- Department of Materials Science and Engineering, University of California, Berkeley, CA, USA
| | - Amir H Alavi
- Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA.
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Matin Nazar A, Mohsenian R, Rayegani A, Shadfar M, Jiao P. Skin-Contact Triboelectric Nanogenerator for Energy Harvesting and Motion Sensing: Principles, Challenges, and Perspectives. BIOSENSORS 2023; 13:872. [PMID: 37754106 PMCID: PMC10526904 DOI: 10.3390/bios13090872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 09/28/2023]
Abstract
Energy harvesting has become an increasingly important field of research as the demand for portable and wearable devices continues to grow. Skin-contact triboelectric nanogenerator (TENG) technology has emerged as a promising solution for energy harvesting and motion sensing. This review paper provides a detailed overview of skin-contact TENG technology, covering its principles, challenges, and perspectives. The introduction begins by defining skin-contact TENG and explaining the importance of energy harvesting and motion sensing. The principles of skin-contact TENG are explored, including the triboelectric effect and the materials used for energy harvesting. The working mechanism of skin-contact TENG is also discussed. This study then moves onto the applications of skin-contact TENG, focusing on energy harvesting for wearable devices and motion sensing for healthcare monitoring. Furthermore, the integration of skin-contact TENG technology with other technologies is discussed to highlight its versatility. The challenges in skin-contact TENG technology are then highlighted, which include sensitivity to environmental factors, such as humidity and temperature, biocompatibility and safety concerns, and durability and reliability issues. This section of the paper provides a comprehensive evaluation of the technological limitations that must be considered when designing skin-contact TENGs. In the Perspectives and Future Directions section, this review paper highlights various advancements in materials and design, as well as the potential for commercialization. Additionally, the potential impact of skin-contact TENG technology on the energy and healthcare industries is discussed.
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Affiliation(s)
- Ali Matin Nazar
- Donghai Laboratory, Zhoushan 316021, China;
- Zhejiang University-University of Illinois at Urbana-Champaign Institute, Zhejiang University, Haining 314400, China
| | - Reza Mohsenian
- College of Health and Rehabilitation Sciences, Sargent College, Boston University, Boston, MA 02215, USA;
| | - Arash Rayegani
- Centre for Infrastructure Engineering, Western Sydney University, Kingswood, NSW 2747, Australia;
| | - Mohammadamin Shadfar
- School of Medicine, Zhejiang University, 866 Yuhangtang Rd., Hangzhou 310058, China;
| | - Pengcheng Jiao
- Donghai Laboratory, Zhoushan 316021, China;
- Institute of Port, Coastal and Offshore Engineering, Ocean College, Zhejiang University, Zhoushan 316021, China
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