Crack monitoring using multiple smart materials; fiber-optic sensors &amp; piezo sensors

Maheshwari, Muneesh; Annamdas, Venu Gopal Madhav; Pang, J.H.L.; Asundi, Anand Krishna; Tjin, Swee Chuan

doi:10.1080/19475411.2017.1298220

Cited by 23 publications

(14 citation statements)

References 28 publications

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“…Authors developed u-Texture, a self-organizable, universal panel that can change its own behaviour autonomously through the recognition of its location, its inclination and surrounding environment by assembling these factors physically [112]. Smart material can be used also as actuators [113] or fiber-optic or piezo sensors to monitor cracks [114], or to form a complex warehouse application, e.g., for mobile robots [115].…”

Section: Technological Achievements Of the Smart Entities Embedded Inmentioning

confidence: 99%

Commercial ICT Smart Solutions for the Elderly: State of the Art and Future Challenges in the Smart Furniture Sector

et al. 2020

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Within a ubiquitous environment, home and office furniture can be maximally utilized to provide ease, especially if the items are designed based on smart technology. For this reason, the acceptance of smart furniture has soared over the years. Given the vast influence of the Internet of Things (IoT) and Industry 4.0 on technological advancement in furniture design, it is imperative to examine information and communication technology (ICT) solutions for the elderly in the context of smart furniture design and implementation. This article presents a review of the state-of-the-art literature in smart solutions for the elderly based on publications under ICT smart solutions for these elderly, along with smart furniture options and manufacturer activities in terms of fixing market prices for these furniture materials. Furthermore, patenting rights on some existing smart furniture designs for the elderly, given the current trends in worldwide acceptance, are examined. Moreover, this article also highlights opportunities introduced by IoT-based solutions for the elderly as current trends in research and their effects on human life. Some smart product examples from different enterprises are also presented. New, innovative and active designs must be developed, focusing upon human healthcare, and in turn providing greater comfort and convenience for elderly people. To fulfil these requirements, the also selected technical aspects of new Smart Furniture solutions in connection to the cost of these solutions are discussed. Simultaneously, Smart Furniture solutions need to be flexible, low-cost, easy to buy and install without expert knowledge, and widely available on the market.

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Section: Technological Achievements Of the Smart Entities Embedded Inmentioning

confidence: 99%

Commercial ICT Smart Solutions for the Elderly: State of the Art and Future Challenges in the Smart Furniture Sector

et al. 2020

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“…Apart from the strain and separation measurements, we can extend metamaterials to various studies such as crack, damage, corrosion, and static and dynamic load monitoring. They can co-exist with FO based technologies that are mostly adopted for large engineering infrastructures [10,14,97].…”

Section: Non-fo Smart Materials: Metamaterialsmentioning

confidence: 99%

“…This RMSD sensitivity index provides quantitative differences between the output signals obtained at a baseline condition and those obtained at later stages. The quantity is a major yardstick for measuring sensitivity in CMA engineering [10,12,112,113,114,115]. This RMSD is given as RMSD false(%false)=true∑i=1N([yi]j−xi)2/true∑i=1Nxi2 × 100 where i = 1, 2, 3…, N represents sampling data points in the considered microwave band.…”

Section: Our Lsp Sensormentioning

confidence: 99%

“…No single SHM technique can provide complete solutions to all complex health/aging problems faced by CMA structures [10,11,118,119]. Thus, CMA researchers opt for applications of several combinations of various SHM techniques to monitor strain, deformation, crack, fatigue, etc.…”

Section: Our Lsp Sensormentioning

confidence: 99%

“…The efficiencies of many SHM techniques improved rapidly due to advancements in the designs of sensors, especially those made of smart materials [2,3,4,5]. Most such sensors can be classified as either FO sensors [6,7] or non-FO sensors [8,9] or their combinations [1,10,11]. The input of EM radiations or electrical power or magnetic field either remotely or directly to most smart material sensors via analysers/devices, produce diagnosable output signals.…”

Section: Introductionmentioning

confidence: 99%

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A Perspective of Non-Fiber-Optical Metamaterial and Piezoelectric Material Sensing in Automated Structural Health Monitoring

Annamdas

Soh

2019

Sensors

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Metamaterials are familiar in life sciences, but are only recently adopted in structural health monitoring (SHM). Even though they have existed for some time, they are only recently classified as smart materials suitable for civil, mechanical, and aerospace (CMA) engineering. There are still not many commercialized metamaterial designs suitable for CMA sensing applications. On the other hand, piezoelectric materials are one of the popular smart materials in use for about 25 years. Both these materials are non-fiber-optical in nature and are robust to withstand the rugged CMA engineering environment, if proper designs are adopted. However, no single smart material or SHM technique can ever address the complexities of CMA structures and a combination of such sensors along with popular fiber optical sensors should be encouraged. Furthermore, the global demand for miniaturization of SHM equipment, automation and portability is also on the rise as indicated by several global marketing strategists. Recently, Technavio analysts, a well-known market research company estimated the global SHM market to grow from the current US $ 1.48 billion to US $ 3.38 billion by 2023, at a compound annual growth rate (CAGR) of 17.93%. The market for metamaterial is expected to grow rapidly at a CAGR of more than 22% and the market for piezoelectric materials is expected to accelerate at a CAGR of over 13%. At the same time, the global automation and robotics market in the automotive industry is expected to post a CAGR of close to 8%. The fusion of such smart materials along with automation can increase the overall market enormously. Thus, this invited review paper presents a positive perspective of these non-fiber-optic sensors, especially those made of metamaterial designs. Additionally, our recent work related to near field setup, a portable meta setup, and their functionalities along with a novel piezoelectric catchment sensor are discussed.

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Detection of notches and cracks based on the monitoring of local strain and the solution of inverse problems

Boukellif

Ricoeur

2019

Mat Design & Process Comms

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Crack monitoring using multiple smart materials; fiber-optic sensors & piezo sensors

Cited by 23 publications

References 28 publications

Commercial ICT Smart Solutions for the Elderly: State of the Art and Future Challenges in the Smart Furniture Sector

Commercial ICT Smart Solutions for the Elderly: State of the Art and Future Challenges in the Smart Furniture Sector

A Perspective of Non-Fiber-Optical Metamaterial and Piezoelectric Material Sensing in Automated Structural Health Monitoring

Detection of notches and cracks based on the monitoring of local strain and the solution of inverse problems

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