Relevant bibliographies by topics / Sensors and sensing

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Sensors and sensing'

Author: Grafiati
Published: 4 June 2025
Last updated: 15 July 2025

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Journal articles on the topic "Sensors and sensing"

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Guo, Yixuan, and Gaoyang Liang. "Perceptual Feedback Mechanism Sensor Technology in e-Commerce IoT Application Research." Journal of Sensors 2021 (September 28, 2021): 1–12. http://dx.doi.org/10.1155/2021/3840103.

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With the development of sensor technology and the Internet of Things (IoT) technology, the trend of miniaturization of sensors has prompted the inclusion of more sensors in IoT, and the perceptual feedback mechanism among these sensors has become particularly important, thus promoting the development of multiple sensor data fusion technologies. This paper deeply analyzes and summarizes the characteristics of sensory data and the new problems faced by the processing of sensory data under the new trend of IoT, deeply studies the acquisition, storage, and query of sensory data from the sensors of IoT in e-commerce, and proposes a ubiquitous storage method for massive sensory data by combining the sensory feedback mechanism of sensors, which makes full use of the storage resources of IoT storage network elements and maximally meets the massive. In this paper, we propose a ubiquitous storage method for massive sensing data, which makes full use of the storage resources of IoT storage network elements to maximize the storage requirements of massive sensing data and achieve load-balanced data storage. In this paper, starting from the overall development of IoT in recent years, the weak link of intelligent information processing is reinforced based on the sensory feedback mechanism of sensor technology.
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Kim, Tae-Hyeong, Gi-Hwan Jo, Hyeong-Seok Yun, Kyung-Su Yun, and Tae-Hyoung Park. "Placement Method of Multiple Lidars for Roadside Infrastructure in Urban Environments." Sensors 23, no. 21 (2023): 8808. http://dx.doi.org/10.3390/s23218808.

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Sensors on autonomous vehicles have inherent physical constraints. To address these limitations, several studies have been conducted to enhance sensing capabilities by establishing wireless communication between infrastructure and autonomous vehicles. Various sensors are strategically positioned within the road infrastructure, providing essential sensory data to these vehicles. The primary challenge lies in sensor placement, as it necessitates identifying optimal locations that minimize blind spots while maximizing the sensor’s coverage area. Therefore, to solve this problem, a method for positioning multiple sensor systems in road infrastructure is proposed. By introducing a voxel grid, the problem is formulated as an optimization challenge, and a genetic algorithm is employed to find a solution. Experimental findings using lidar sensors are presented to demonstrate the efficacy of this proposed approach.
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Ran, Zengling, Xiu He, Yunjiang Rao, et al. "Fiber-Optic Microstructure Sensors: A Review." Photonic Sensors 11, no. 2 (2021): 227–61. http://dx.doi.org/10.1007/s13320-021-0632-7.

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AbstractThis paper reviews a wide variety of fiber-optic microstructure (FOM) sensors, such as fiber Bragg grating (FBG) sensors, long-period fiber grating (LPFG) sensors, Fabry-Perot interferometer (FPI) sensors, Mach-Zehnder interferometer (MZI) sensors, Michelson interferometer (MI) sensors, and Sagnac interferometer (SI) sensors. Each FOM sensor has been introduced in the terms of structure types, fabrication methods, and their sensing applications. In addition, the sensing characteristics of different structures under the same type of FOM sensor are compared, and the sensing characteristics of the all FOM sensors, including advantages, disadvantages, and main sensing parameters, are summarized. We also discuss the future development of FOM sensors.
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Liang, Stewart, and Bryan-Kinns. "Design of Textile Knitted Stretch Sensors for Dance Movement Sensing." Proceedings 32, no. 1 (2019): 14. http://dx.doi.org/10.3390/proceedings2019032014.

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This paper presents research about design a textile-based stretch sensor for making a reliable sensing system for dance movement sensing. We examined sixteen textile-based conductive stretch sensors that were made with commercially produced conductive materials. Through the analysis of their sensitivity, linearity, hysteresis, responsiveness, and fatigue, a silver-plated conductive fabric, Technik-tex P130B, shows the best performance for dance movement sensing. Then, we tested the bonding technique, and washability of Technik-tex P130B-made sensors. The finding shows that bonding makes a noticeable impact on sensor performance. Both bonding and washing increase the sensor’s resistance. Technik-tex P130B on one side bonding has the best performance for dance movement sensing. This reliable and washable textile-based stretch sensor is utilised for dance bodysuit making for further development.
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Soga, Kenichi, and Jennifer Schooling. "Infrastructure sensing." Interface Focus 6, no. 4 (2016): 20160023. http://dx.doi.org/10.1098/rsfs.2016.0023.

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Design, construction, maintenance and upgrading of civil engineering infrastructure requires fresh thinking to minimize use of materials, energy and labour. This can only be achieved by understanding the performance of the infrastructure, both during its construction and throughout its design life, through innovative monitoring. Advances in sensor systems offer intriguing possibilities to radically alter methods of condition assessment and monitoring of infrastructure. In this paper, it is hypothesized that the future of infrastructure relies on smarter information; the rich information obtained from embedded sensors within infrastructure will act as a catalyst for new design, construction, operation and maintenance processes for integrated infrastructure systems linked directly with user behaviour patterns. Some examples of emerging sensor technologies for infrastructure sensing are given. They include distributed fibre-optics sensors, computer vision, wireless sensor networks, low-power micro-electromechanical systems, energy harvesting and citizens as sensors.
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Gupta, Anju, and R. K. Bathla. "Energy Efficient Opportunistic Sensing Management in Fog Cloud Environment." International Journal of Computer Science and Mobile Computing 10, no. 10 (2021): 20–26. http://dx.doi.org/10.47760/ijcsmc.2021.v10i10.004.

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With so many people now wearing mobile devices with sensors (such as smartphones), utilizing the immense capabilities of these business mobility goods has become a prospective skill to significant behavioural and ecological sensors. A potential challenge for pervasive context assessment is opportunistic sensing, has been effectively used to a wide range of applications. The sensor cloud combines cloud technology with a wireless sensor, resulting in a scalable and cost-effective computing platform for real-time applications. Because the sensor's battery power is limited and the data centre’s servers consume a significant amount of energy to supply storage, a sensor cloud must be energy efficient. This study provides a Fog-based semantic for enabling these kinds of technologies quickly and successfully. The suggested structure is comprised of fundamental algorithms to help set up and coordinate the fog sensing jobs. It creates effective multihop routes for coordinating relevant devices and transporting acquired sensory data to fog sinks. It was claimed that energy-efficient sensor cloud approaches were categorized into different groups and that each technology was examined using numerous characteristics. The outcomes of a series of thorough test simulation in NS3 to define the practicality of the created console, as well as the proportion of each parameter utilized for each technology, are computed.
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Sui, Ran, Erpan Zhang, Xiaoshui Tang, Wenjun Yan, Yun Liu, and Houpan Zhou. "Thermal Modulation of Resistance Gas Sensor Facilitates Recognition of Fragrance Odors." Chemosensors 12, no. 6 (2024): 101. http://dx.doi.org/10.3390/chemosensors12060101.

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Herein, we prepared two different MOS-based gas sensors with integrated micro-hotplates. The two sensors were employed to detect various fragrances (cedar, mandarin orange, rose A, and rose B), exhibiting similarly great sensing performances. The gas sensing properties of the MOS-based sensor depend on the sensor’s operating temperature. In addition to isothermal operation, various pulse heating modes were applied to investigate the gas sensing performances with respect to the four fragrances. Multivariate gas sensing features of the four fragrances were obtained under different operating modes, which were utilized for the recognition of fragrance odors successfully, based on the long short-term memory (LSTM) algorithm.
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Palanisamy, Srinivasan, Muthuramalingam Thangaraj, Khaja Moiduddin, Hisham Alkhalefah, Panagiotis Karmiris-Obratański, and Cheng Siong Chin. "Design, Fabrication, and Optimization of a Printed Ag Nanoparticle-Based Flexible Capacitive Sensor for Automotive IVI Bezel Display Applications." Sensors 23, no. 9 (2023): 4211. http://dx.doi.org/10.3390/s23094211.

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Since printed capacitive sensors provide better sensing performance, they can be used in automotive bezel applications. It is necessary to fabricate such sensors and apply an optimization approach for choosing the optimal sensor pattern. In the present work, an effort was made to formulate interdigitated pattern-printed Silver (Ag) electrode flexible sensors and adopt the Taguchi Grey Relational (TGR)-based optimization approach to enhance the flexible sensor’s panel for enhanced automobile infotainment applications. The optimization technique was performed to derive better design considerations and analyze the influence of the sensor’s parameters on change in capacitance when touched and production cost. The fabricated flexible printed sensors can provide better sensing properties. A design pattern which integrates an overlap of 15 mm, an electrode line width of 0.8 mm, and an electrode gap 0.8 mm can produce a higher change in capacitance and achieve a lower weight. The overlap has a greater influence on sensor performance owing to its optimization of spatial interpolation.
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Smoleń, Magdalena, and Piotr Augustyniak. "Assisted Living System with Adaptive Sensor’s Contribution." Sensors 20, no. 18 (2020): 5278. http://dx.doi.org/10.3390/s20185278.

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Multimodal sensing and data processing have become a common approach in modern assisted living systems. This is widely justified by the complementary properties of sensors based on different sensing paradigms. However, all previous proposals assume data fusion to be made based on fixed criteria. We proved that particular sensors show different performance depending on the subject’s activity and consequently present the concept of an adaptive sensor’s contribution. In the proposed prototype architecture, the sensor information is first unified and then modulated to prefer the most reliable sensors. We also take into consideration the dynamics of the subject’s behavior and propose two algorithms for the adaptation of sensors’ contribution, and discuss their advantages and limitations based on case studies.
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Oerke, Erich-Christian. "Remote Sensing of Diseases." Annual Review of Phytopathology 58, no. 1 (2020): 225–52. http://dx.doi.org/10.1146/annurev-phyto-010820-012832.

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Detection, identification, and quantification of plant diseases by sensor techniques are expected to enable a more precise disease control, as sensors are sensitive, objective, and highly available for disease assessment. Recent progress in sensor technology and data processing is very promising; nevertheless, technical constraints and issues inherent to variability in host–pathogen interactions currently limit the use of sensors in various fields of application. The information from spectral [e.g., RGB (red, green, blue)], multispectral, and hyperspectral sensors that measure reflectance, fluorescence, and emission of radiation or from electronic noses that detect volatile organic compounds released from plants or pathogens, as well as the potential of sensors to characterize the health status of crops, is evaluated based on the recent literature. Phytopathological aspects of remote sensing of plant diseases across different scales and for various purposes are discussed, including spatial disease patterns, epidemic spread of pathogens, crop characteristics, and links to disease control. Future challenges in sensor use are identified.
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Dissertations / Theses on the topic "Sensors and sensing"

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Jia, Xiaodan (Xiaodan Stella). "Tactile sensing using elastomeric sensors." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78183.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 99-111).<br>GelSight, namely, elastomeric sensor, is a novel tactile sensor to get the 3D information of contacting surfaces. Using GelSight, some tactile properties, such as softness and roughness, could be gained through image processing techniques. In this thesis, I implemented GelSight principle to reconstruct surface geometry of tested surfaces, based on which, the roughness comparison and lump detection experiment are conducted. Roughness of five different types of sandpapers are successfully compared using GelSight Ra value. In the lump detection experiment, a visual display for tactile information is presented. To get binary feedback of lump presence or not, a simple threshold method is introduced in this thesis. To evaluate the performance of GelSight sensor, human psychological experiments are conducted. In similar tasks, GelSight sensor outperforms humans in lump detection.<br>by Xiaodan (Stella) Jia.<br>S.M.
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Khunou, Ramotseng. "Gas sensing properties of Ceo2 nanostructures." University of the Western Cape, 2020. http://hdl.handle.net/11394/7909.

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>Magister Scientiae - MSc<br>The industrial safety requirements and environmental pollution have created a high demand to develop gas sensors to monitor combustible and toxic gases. As per specifications of World Health Organization (WHO) and Occupational Safety and Health Administration (OSHA), lengthy exposure to these gases lead to death which can be avoided with early detection. Semiconductor metal oxide (SMO) has been utilized as sensor for several decades. In recent years, there have been extensive investigations of nanoscale semiconductor gas sensor.
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Vukusic, Peter. "Sensing thin layers using surface plasmon resonance." Thesis, University of Exeter, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358142.

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Mishu, Pujan Kumar Chowdhury. "DESIGN OF CMOS COMPRESSIVE SENSING IMAGE SENSORS." OpenSIUC, 2018. https://opensiuc.lib.siu.edu/theses/2446.

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This work investigates the optimal measurement matrices that can be used in compressive sensing (CS) image sensors. It also optimizes CMOS current-model pixel cell circuits for CS image sensors. Based on the outcomes from these optimization studies, three CS image senor circuits with compression ratios of 4, 6, and 8 are designed with using a 130 nm CMOS technology. The pixel arrays used in the image sensors has a size of 256X256. Circuit simulations with benchmark image Lenna show that the three images sensors can achieve peak signal to noise ratio (PSNR) values of 37.64, 33.29, and 32.44 dB respectively.
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Rasheed, Raymond Kelvin. "New sensing materials for the detection of malodours." Thesis, University of the West of England, Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308791.

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Cánovas, Martínez Rocío. "Tailor-made chemical sensing platforms for decentralized healthcare and wellbeing." Doctoral thesis, Universitat Rovira i Virgili, 2018. http://hdl.handle.net/10803/462914.

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Aquesta tesis fa referència a la necessitat social de la implementació de sensors electroquímics en la nostra vida quotidiana a diferents nivells. Des d’un enfocament sanitari, l’ús i l’aplicació real de plataformes fàcils d’utilitzar pel propi pacient facilitarien la presa de decisions gràcies a la obtenció d’informació rellevant i monitoratge d’una malaltia. Així mateix, l’ús d’aquestes eines de manera individual, en centres de salut o inclús hospitals, ajudarien a disminuir el cost que la sanitat ha d’afrontar diàriament. Des d’un enfocament diferent, aquest tipus de sensors poden oferir també altres tipus de aplicacions, poden ser usats amb finalitats mediambientals o de seguretat. La fabricació de sensors electroquímics (amperomètrics i potenciomètrics) integrats i impresos en diferents substrats fàcils de manipular, de baix cost i robustos (com tèxtils, globus o paper) ha estat aconseguida durant aquesta tesis. L’estudi del seu rendiment analític sota la influencia de diferents situacions d’estres i en diferents fluids biològics (detectant ions en suor o glucosa en sèrum i sang) també ha estat realitzat amb èxit. Aquestes aportacions tecnològiques van dirigides a superar els reptes que la societat d’avui en dia necessita solucionar: com pot ser la sostenibilitat del sistema sanitari en una població cada vegada mes envellida; el manteniment d’una seguretat i un estat del benestar; i el control mediambiental. Aquesta tesis suposa un avenç en aquest sentit i mostra diferents solucions científiques i eines útils per aquests reptes que la societat necessita afrontar.<br>Esta tesis hace referencia a la necesidad social de la implantación de sensores electroquímicos en nuestra vida diaria a distintos niveles. Desde un enfoque sanitario, el uso y la aplicación real de plataformas fáciles de usar mediante el propio paciente facilitarían la toma de decisiones gracias a la obtención de información relevante y monitoreo de una enfermedad. Así mismo, el uso de estas herramientas de manera individual, en centros de salud o incluso hospitales disminuiría el costo que la sanidad debe afrontar diariamente. Desde un enfoque diferente, este tipo de sensores pueden ofrecer también otro tipo de usos, pudiendo ser aplicados para fines medioambientales o de seguridad. La fabricación de sensores electroquímicos (amperométricos y potenciométricos) integrados e impresos en diferentes sustratos fáciles de manipular, de bajo costo y robustos (como textiles, globos o papel) ha sido lograda durante esta tesis. El estudio de su rendimiento analítico bajo diferentes situaciones de estrés y en diferentes fluidos biológicos (detectando iones en sudor o glucosa en suero y sangre) también ha sido realizado de manera exitosa. Estas aportaciones tecnológicas van dirigidas a superar los retos que la sociedad de hoy en día necesita solucionar: como puede ser la sostenibilidad del sistema sanitario en una población cada vez más envejecida; el mantenimiento de una seguridad y un bienestar general; y el control medioambiental. Esta tesis supone un avance en este sentido y muestra diferentes soluciones científicas y herramientas útiles para estos retos que la sociedad necesita afrontar.<br>This thesis refers to the social need of the implementation of electrochemical sensors in our daily life at different levels. From a sanitary point of view, the use and real application of user-friendly platforms by the patient itself would facilitate the decision-making process thanks to the obtaining of relevant information and monitoring of a disease. Besides, the use of these tools individually, in health centers or even hospitals, would reduce the cost that healthcare must pay on a daily basis. In a different approach, this type of sensors can also offer other types of applications, which can be applied for environmental or safety purposes. The manufacturing of electrochemical sensors (amperometric and potentiometric) integrated and embedded on different substrates easy to manipulate, low cost and robust (such as textiles, balloons or paper) has been achieved during this thesis. The study of their analytical performance under different mechanical stress and using different biological fluids (detecting ions in sweat or glucose in serum and blood) has also been carried out successfully. These technological contributions are aimed at overcoming the challenges that today's society needs to solve: such as the sustainability of the health system in an aging population; the maintenance of security and general wellbeing; and environmental control. This thesis contributes with huge advancements to face these issues and shows different scientific solutions and useful tools for these challenges that society needs to address. This thesis refers to the social need of the implementation of electrochemical sensors in our daily life at different levels. From a sanitary point of view, the use and real application of user-friendly platforms by the patient itself would facilitate the decision-making process thanks to the obtaining of relevant information and monitoring of a disease. Besides, the use of these tools individually, in health centers or even hospitals, would reduce the cost that healthcare must pay on a daily basis. In a different approach, this type of sensors can also offer other types of applications, which can be applied for environmental or safety purposes. The manufacturing of electrochemical sensors (amperometric and potentiometric) integrated and embedded on different substrates easy to manipulate, low cost and robust (such as textiles, balloons or paper) has been achieved during this thesis. The study of their analytical performance under different mechanical stress and using different biological fluids (detecting ions in sweat or glucose in serum and blood) has also been carried out successfully. These technological contributions are aimed at overcoming the challenges that today's society needs to solve: such as the sustainability of the health system in an aging population; the maintenance of security and general wellbeing; and environmental control. This thesis contributes with huge advancements to face these issues and shows different scientific solutions and useful tools for these challenges that society needs to address.
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Wu, Terence. "Antenna integration for wireless and sensing applications." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41098.

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As integrated circuits become smaller in size, antenna design has become the size limiting factor for RF front ends. The size reduction of an antenna is limited due to tradeoffs between its size and its performance. Thus, combining antenna designs with other system components can reutilize parts of the system and significantly reduce its overall size. The biggest challenge is in minimizing the interference between the antenna and other components so that the radiation performance is not compromised. This is especially true for antenna arrays where the radiation pattern is important. Antenna size reduction is also desired for wireless sensors where the devices need to be unnoticeable to the subjects being monitored. In addition to reducing the interference between components, the environmental effect on the antenna needs to be considered based on sensors' deployment. This dissertation focuses on solving the two challenges: 1) designing compact multi-frequency arrays that maintain directive radiation across their operating bands and 2) developing integrated antennas for sensors that are protected against hazardous environmental conditions. The first part of the dissertation addresses various multi-frequency directive antennas arrays that can be used for base stations, aerospace/satellite applications. A cognitive radio base station antenna that maintains a consistent radiation pattern across the operating frequencies is introduced. This is followed by multi-frequency phased array designs that emphasize light-weight and compactness for aerospace applications. The size and weight of the antenna element is reduced by using paper-based electronics and internal cavity structures. The second part of the dissertation addresses antenna designs for sensor systems such as wireless sensor networks and RFID-based sensors. Solar cell integrated antennas for wireless sensor nodes are introduced to overcome the mechanical weakness posed by conventional monopole designs. This can significantly improve the sturdiness of the sensor from environmental hazards. The dissertation also introduces RFID-based strain sensors as a low-cost solution to massive sensor deployments. With an antenna acting as both the sensing device as well as the communication medium, the cost of an RFID sensor is dramatically reduced. Sensors' strain sensitivities are measured and theoretically derived. Their environmental sensitivities are also investigated to calibrate them for real world applications.
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Kampouris, Dimitrios. "Developing novel sensors for sensing drugs of abuse." Thesis, Manchester Metropolitan University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534245.

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Mayne, Laura J. "Metal ion sensors using Tunable Resistive Pulse Sensing." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/36055.

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There is a drive to develop rapid, portable and simple methods for detecting heavy metal ions. Due to their toxic nature, heavy metal ions are monitored in aqueous solutions such as drinking water. Standard methods for metal detection rely on instrumentation such as atomic absorption/emission and mass spectrometry. These are often costly and do not allow for rapid on-site or real-time measurements. The aim of this PhD was to develop and optimise tunable resistive pulse sensing (TRPS) for sensing metal ions. This combines nanomaterials, dual molecular recognition with an emerging nanopore technology. TRPS is a label-free portable sensor that allows characterisation of particles based on their size, concentration and charge. Monitoring changes upon the particle surface via changes to the particle charge could be a powerful analytical tool for studying metal ion binding and new sensors. Tuning functional groups on the nanoparticle surface will allow for an array of metal ions to be detected. Nanoparticles will be modified with functional groups that bind to metal ions in solution, in turn this will change the charge on the nanoparticle which will be studied using TRPS. Particle velocity through the pore is dependent on particle charge so changes on the nanoparticle surface can be monitored. The literature review in Chapter 1 focuses on the use of different ligands for the detection of metals focusing on aptamers and modified nanoparticles. The application of the theory of resistive pulse sensors (RPS), which is the main sensing platform within the thesis is covered in detail however these sensors to date have little use in metal ion detection. The theory behind RPS follows the literature review. This covers the theory of transport through a conical nanopore, a brief introduction to zeta potential and particle surface charge and ion current rectification. Before developing a metal ion sensor, the translocation of a particle through the pore, focusing on its relative velocity needed to be understood. Chapter 3 demonstrates how changes in the double layer can affect the measured particle velocity. Understanding how the double layer changes with ionic strength and pH is essential in designing a metal ion sensor where the velocity of the particle through the pore is being measured. The work presented in Chapter 3 gave confidence that TRPS could be used to monitor metal ion binding to the surface of nanoparticles. The nanoparticles were modified with a ligand (APTES) and DNA. The subsequent particle velocities differ to those of the unmodified particles, making TRPS a suitable platform for monitoring changes upon a nanoparticle surface. Building on the knowledge gained from Chapter 3, particle translocation velocities were used for the detection of copper (II) on the surface of modified nanoparticles, Chapter 4. Changes in particle velocity through the nanopore allows for detection of copper (II) as low as 1 ppm and at 10 ppm with competing metal ions present. Chapter 4 also presents the first use of studying pulse waveshape for the detection of an analyte. At low ionic strengths, particles passing through the conical pore generated a biphasic pulse containing a conductive pulse and resistive pulse. The biphasic pulse behaviour was used to monitor changes on the nanoparticle surface, and infer the presence of ions within the particles double layer. The method can be easily adapted to different analytes by altering the ligand used. As an alternative to a particle-based assay, a pore-based assay was developed which exploited the current rectification properties of the conical pores used in TRPS. Chapter 5 presents the use of Layer-by-Layer (LbL) assembly of polyelectrolytes onto the surface of the polyurethane pore for the modification of the pore wall, a DNA aptamer was then easily immobilized onto the pore wall. Vascular Endothelial Growth Factor (VEGF) was chosen as the analyte prior to developing a metal ion assay as it was a system studied in more detail in the literature and within the group. An advantage of TRPS is the particle-by-particle analysis. This allows for simple multiplex detection by using particles of two different sizes to detect two different analytes. In Chapter 6 the methodology and techniques from Chapter 4 is applied to the multiplexed detection of lead (II) and mercury (II) using particle translocation velocities to detect the metal ion binding to DNA aptamers. The method is applicable over a large range of ionic strengths with little interference from a high salt content. Finally, to advance the multiplexed concept, the two independent aptamer sequences used in Chapter 6 are merged together. While both aptamer halves retain their initial functionality and bind to the respective metals, the location of the binding and change in DNA structure with respect to the particles surface is the dominating factor in determining the sensitivity of the RPS technology.
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Blanchard, Jeffrey Allen 1974. "Specific gas sensing using zirconia amperometric oxygen sensors." Thesis, The University of Arizona, 1998. http://hdl.handle.net/10150/278662.

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An analytical model for the specific gas detection of oxygen, carbon dioxide, and water vapor using zirconia amperometric oxygen sensors has been developed. Sensors of this type have been designed, fabricated, and tested using planar ceramic technology. Furthermore, an experimental setup has been designed and constructed for sensor characterization. This testbed can accurately control gas partial pressures as well as the total system pressure over a wide range of flow rates. Extensive effort has been put into design and construction of this testbed to ensure accurate scientific measurements. Special attention has been paid to ensuring that the apparatus is leak-tight from air to ensure accurate measurements at low oxygen partial pressures. Results of the experimentation for oxygen detection as well as the detection of carbon dioxide and water vapor are presented. The effects of electronic conduction in the zirconia electrolyte at low oxygen partial pressures are examined. Possible applications of the sensor, as well as suggestions for further research are discussed.
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Books on the topic "Sensors and sensing"

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Mukhopadhyay, Subhas Chandra, and Gourab Sen Gupta, eds. Smart Sensors and Sensing Technology. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-79590-2.

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Suarez, Daniel E. Smart sensors and sensing technology. Nova Science, 2010.

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E, Jones Barry, ed. Current advances in sensors. A. Hilger, 1987.

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Hester, Edward, and Michael Murphy. Sensors. Freedonia Group, 2002.

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Miller, Richard Kendall. Survey on ultrasonic sensors. Future Technology Surveys, 1989.

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Barth, Friedrich G., Joseph A. C. Humphrey, and Timothy W. Secomb, eds. Sensors and Sensing in Biology and Engineering. Springer Vienna, 2003. http://dx.doi.org/10.1007/978-3-7091-6025-1.

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Barth, Friedrich G. Sensors and Sensing in Biology and Engineering. Springer Vienna, 2003.

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C, Kaimal J., Environmental Research Laboratories (U.S.), and United States. Environmental Protection Agency, eds. A Field comparison of in situ meteorological sensors. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, 1985.

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R, Nicholls Howard, ed. Advanced tactile sensing for robotics. World Scientific Pub., 1992.

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Castelli, Vittorio. Trends in sensing side impacts. SAE, 1989.

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Book chapters on the topic "Sensors and sensing"

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Grisar, Roland. "Sources for Optical Sensing." In Sensors. Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620173.ch6.

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Scott, Michael J. "Process Sensing and Control." In Sensors. Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620180.ch14.

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Wright, R. Glenn. "Next-Generation Sensing." In Ship Sensors. Routledge, 2024. http://dx.doi.org/10.1201/9781003377900-11.

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Nyce, David S. "Inductive Sensing." In Understanding Position Sensors. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368991-7.

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Nyce, David S. "Magnetoresistive Sensing." In Understanding Position Sensors. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368991-11.

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Nyce, David S. "Capacitive Sensing." In Understanding Position Sensors. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368991-6.

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Nyce, David S. "Magnetostrictive Sensing." In Understanding Position Sensors. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368991-12.

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Nyce, David S. "Ultrasonic Sensing." In Understanding Position Sensors. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368991-15.

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Lein, James K. "Sensors and Systems." In Environmental Sensing. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0143-8_3.

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Gupta, Ravi Prakash. "Microwave Sensors." In Remote Sensing Geology. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-662-12914-2_10.

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Conference papers on the topic "Sensors and sensing"

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Cai, Jiaxuan, Yan Xie, Ning Yang, Weidong Chu, Yingxin Wang, and Ziran Zhao. "Terahertz Velocity and Spectroscopy Sensing with Self-mixing Interference of Quantum Cascade Lasers." In Optical Sensors. Optica Publishing Group, 2024. https://doi.org/10.1364/sensors.2024.sth5b.1.

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Coherence measurement system based on self-mixing interferometry with quantum cascade lasers could be employed for various of sensing applications, such as multi-target velocity and broadband terahertz spectroscopy sensing which are demonstrated in this work.
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Contreras-Teran, M. A., A. Berganza, F. Lindner, et al. "Embedded coupled-core fiber for force sensing applications." In Optical Sensors. Optica Publishing Group, 2024. https://doi.org/10.1364/sensors.2024.sm3c.3.

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In this work, a coupled-core fiber embedded in a 3D printed cantilever for force sensing in the milli-Newton range is demonstrated. A Bragg grating was added to the coupled-core fiber to simplify the sensor interrogation.
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Mann, Steve, Cayden Pierce, Jesse Hernandez, Qiushi Li, Bei Cong Zheng, and Yi Xin Xiang. "Drone Swarms for Sensing-of-Sensing." In 2019 IEEE SENSORS. IEEE, 2019. http://dx.doi.org/10.1109/sensors43011.2019.8956684.

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"Sensing in harsh conditions: How to protect SnO2 sensing layer." In 2010 Ninth IEEE Sensors Conference (SENSORS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icsens.2010.5690761.

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Lieberman, Robert. "Environmental Sensing." In Optical Fiber Sensors. OSA, 1992. http://dx.doi.org/10.1364/ofs.1992.th42.

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Abshirini, Mohammad, Mohammad Charara, Mrinal C. Saha, M. Cengiz Altan, and Yingtao Liu. "Optimization of 3D Printed Elastomeric Nanocomposites for Flexible Strain Sensing Applications." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11467.

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Abstract Flexible and sensitive strain sensors can be utilized as wearable sensors and electronic devices in a wide range of applications, such as personal health monitoring, sports performance, and electronic skin. This paper presents the fabrication of a highly flexible and sensitive strain sensor by 3D printing an electrically conductive polydimethylsiloxane (PDMS)/multi-wall carbon nanotube (MWNT) nanocomposite on a PDMS substrate. To maximize the sensor’s gauge factor, the effects of MWNT concentration on the strain sensing function in nanocomposites are evaluated. Critical 3D printing and curing parameters, such as 3D printing nozzle diameter and nanocomposites curing temperature, are explored to achieve the highest piezoresistive response, showing that utilizing a smaller deposition nozzle size and higher curing temperature can result in a higher gauge factor. The optimized 3D printed nanocomposite sensor’s sensitivity is characterized under cyclic tensile loads at different maximum strains and loading rates. A linear piezoresistive response is observed up to 70% strain with an average gauge factor of 12, pointing to the sensor’s potential as a flexible strain sensor. In addition, the sensing function is almost independent of the applied load rate. The fabricated sensors are attached to a glove and used as a wearable sensor by detecting human finger and wrist motion. The results indicate that this 3D printed functional nanocomposite shows promise in a broad range of applications, including wearable and skin mounted sensors.
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Murray, Allison K., Joseph R. Meseke, Nikhil Bajaj, and Jeffrey F. Rhoads. "Addressing Sensing Statistics through Oscillator-Based Sensing Arrays." In 2019 IEEE SENSORS. IEEE, 2019. http://dx.doi.org/10.1109/sensors43011.2019.8956739.

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Margulis, W., P. Rugeland, E. Zetterlund, et al. "Gemini fiber for sensing." In Optical Sensors. OSA, 2010. http://dx.doi.org/10.1364/sensors.2010.stua2.

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Lawrie, Ben, Wenjiang Fan, Phil Evans, and Raphael Pooser. "Ultratrace Quantum Plasmonic Sensing." In Optical Sensors. OSA, 2015. http://dx.doi.org/10.1364/sensors.2015.sew1b.4.

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Carras, Mathieu. "Laser Based Chemical Sensing." In Optical Sensors. OSA, 2016. http://dx.doi.org/10.1364/sensors.2016.setu1e.2.

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Reports on the topic "Sensors and sensing"

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Simon, James E., Uri M. Peiper, Gaines Miles, A. Hetzroni, Amos Mizrach, and Denys J. Charles. Electronic Sensing of Fruit Ripeness Based on Volatile Gas Emissions. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568762.bard.

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An electronic sensory system for the evaluation of headspace volatiles was developed to determine fruit ripeness and quality. Two prototype systems were designed, constructed, and later modified. The first is an improved version of our original prototype electronic sniffer using a single head sensing unit for use as a single or paired unit placed on an individual fruit surface for applications in the field, lab, or industry. The second electronic sniffer utilizes a matrix of gas sensors, each selected for differential sensitivity to a range of volatile compounds. This system is more sophisticated as it uses multiple gas sensors, but was found to enhance the ability of the sniffer to classify fruit ripeness and quality relative to a single gas sensor. This second sniffer was designed and constructed for the sampling of fresh-cut or whole packs of fruits such as packaged strawberries and blueberries, and can serve as a prototype for research or commercial applications. Results demonstrate that electronic sensing of fruit ripeness based on aromatic volatile gas emissions can be used successfully with fresh frits. Aroma sensing was successful for classifying ripeness in muskmelons, including different cultivars, apples, blueberries, strawberries, and in a complimentary BARD project on tomatoes. This system compared favorably to the physicochemical measurements traditionally employed to assess fruit maturity. This nondestructive sensory system can detect the presence of physically damaged fruits and shows excellent application for use in quality assessment. Electronic sensors of the tin oxide type were evaluated for specificity toward a wide range of volatiles associated with fruit ripeness. Sensors were identified that detected a broad range of alcohols, aldehydes, esters, hydrocarbons, and volatile sulfur compounds, as well as individual volatiles associated with fruit ripening across a wide concentration range. Sensors are not compound specific, thus, the matrix of sensors coupled with discrimination analysis provides a fingerprint to identify the presence of compounds and to assess alterations in fresh products due to alterations in volatile emissions. Engineering developments led to the development of a system to compensate for temperature and relative humidity relative to on-line aroma sensing with melons for ripeness determination and to reduce response time, thus permitting the electronic sniffer to be used for monitoring both fresh and processed food products. The sniffer provides a fast, reliable and nondestructive tool to assess fruit ripeness and quality. We hope that our work will foster the introduction and utilization of this emerging technology into the agricultural and horticultural
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Falconer, David G. L51774 Remote Sensing of Hazardous Ground Movement about Buried Gas Transmission Lines. Pipeline Research Council International, Inc. (PRCI), 1997. http://dx.doi.org/10.55274/r0011973.

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Reviews the available sensors for monitoring hazardous ground movement. Our review was limited to airborne and spaceborne sensors for access, performance, and productivity considerations. It was observed that certain ground movement is comparatively localized, e.g., earthquake faulting, while other activity may extend for thousands of kilometers, e.g., frost heave. Accordingly, we have considered two operating modes for the sensor-platform system, namely, site-by-site and continuous corridor. To determine the suitability of the candidate sensors for pipeline monitoring, we have assessed the expected performance, operational aspects, and cost of each sensor-platform combination as a function of operating mode. Finally, we have developed a business model for (1) operation of the recommended sensor systems by fee-for-service contractors; (2) analysis of the collected data by image-analysis specialists; and (3) use of the survey products by pipeline engineers.
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Tutumluer, Erol, Bill Spencer, Riley Edwards, Kirill Mechitov, Syed Husain, and Issam Qamhia. Sensing Infrastructure for Smart Mobility—Wireless Continuous Monitoring for I-ACT. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-019.

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This report proposes a suite of wireless sensing solutions for continuous transportation-infrastructure monitoring. First, various traditional and modern sensors and sensing platforms are described in detail, based on their principles of operation, suitability for transportation-infrastructure monitoring, and issues concerning their use. Then, a suitability-assessment survey conducted to select suitable inter-sensor and sensor-to-cloud communication technology for lower bandwidth and higher bandwidth requiring sensors is presented. Important observations are made, and conclusions are drawn based on multidisciplinary analyses of strengths, weaknesses, opportunities, and threats (SWOT) of various communication technologies and proposed wireless architectures for sensing infrastructure for smart mobility (SISM). Finally, recommendations are made concerning the implementation of proposed wireless architectures for wireless and continuous monitoring of the Illinois Autonomous and Connected Track (I-ACT).
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Yanev, Ivan. Satellite sensors used in thermal remote sensing. Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences, 2018. http://dx.doi.org/10.7546/aerebu.29.18.01.04.

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Bendikov, Michael, and Thomas C. Harmon. Development of Agricultural Sensors Based on Conductive Polymers. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7591738.bard.

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In this 1-year feasibility study, we tried polymerization of several different monomers, commercial as well as novel, specially designed and synthesized for this project in the presence of the nitrate ion to produce imprinted conductive polymers. Polymers 1 and 2 (shown below) produced a response to nitrate, but one inferior to that produced by a polypyrrole (Ppy)-based sensor (which we demonstrated prior to this study). Thus, we elected to proceed with improving the stability of the Ppy-based sensor. In order to improve stability of the Ppy-based sensor, we created a two-layer design which includes nitrate-doped Ppy as an inner layer, and nitrate-doped PEDOT as the outer layer. PEDOT is known for its high environmental stability and conductivity. This design has demonstrated promise, but is still undergoing optimization and stability testing. Previously we had failed to create nitrate-doped PEDOT in the absence of a Ppy layer. Nitrate-doped PEDOT should be very promising for sensor applications due to its high stability and exceptional sensing properties as we showed previously for sensing of perchlorate ions (by perchlorate-doped PEDOT). During this year, we have succeeded in preparing nitrate-doped PEDOT (4 below) by designing a new starting monomer (compound 3 below) for polymerization. We are currently testing this design for nitrate sensing. In parallel with the fabrication design studies, we fabricated and tested nitrate-doped Ppy sensors in a series of flow studies under laboratory and field conditions. Nitrate-doped Ppy sensors are less stable than is desirable but provide excellent nitrate sensing characteristics for the short-term experiments focusing on packaging and deployment strategies. The fabricated sensors were successfully interfaced with a commercial battery-powered self-logging (Onset Computer Hobo Datalogger) and a wireless data acquisition and transmission system (Crossbow Technologies MDA300 sensor interface and Mica2 wireless mote). In a series of flow-through experiments with water, the nitrate-doped Ppy sensors were exposed to pulses of dissolved nitrate and compared favorably with an expensive commercial sensor. In 24-hour field tests in both Merced and in Palmdale, CA agricultural soils, the sensors responded to introduced nitrate pulses, but with different dynamics relative to the larger commercial sensors. These experiments are on-going but suggest a form factor (size, shape) effect of the sensor when deployed in a porous medium such as soil. To fill the need for a miniature reference electrode, we identified and tested one commercial version (Cypress Systems, ESA Mini-reference electrode) which works well but is expensive ($190). To create an inexpensive miniature reference electrode, we are exploring the use of AgCl-coated silver wire. This electrode is not a “true” reference electrode; however, it can calibrated once versus a commercial reference electrode at the time of deployment in soil. Thus, only one commercial reference electrode would suffice to support a multiple sensor deployment.
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Siegel, David A., Ivona Cetinic, Andrew F. Thompson, et al. EXport Processes in the Ocean from RemoTe Sensing (EXPORTS) North Atlantic sensor calibration and intercalibration documents. NASA STI Program and Woods Hole Oceanographic Institution, 2023. http://dx.doi.org/10.1575/1912/66998.

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The following documents collect information regarding the calibration and intercalibration of various sensors that were deployed during the North Atlantic field component of the NASA EXPORTS project (EXPORTS NA), which took place between May 4 and June 1, 2021 (Johnson et al., 2023). The EXPORTS NA campaign was designed to to provide a contrasting end member to the earlier North Pacific field campaign, and focused on carbon export associated with the North Atlantic spring bloom in which gravitational sinking of organic particles, the physical advection and mixing, and active transport by vertically migrating zooplankton are all expected to provide significant flux pathways. During EXPORTS NA data sets were collected from a variety of shipbased, autonomously-piloted, and Lagrangian platforms. Intercalibration activities were tasked to different groups within the EXPORTS project team. Team leads and contact information are listed below. The overarching goal of these activities was to identify a trusted sensor, carry out a careful calibration of this sensor, then base any intercalibraiton needs off of this sensor, occasionally propagating information across platforms. Full details of the intercalibration approach, assumptions, and summary are provided in the attached documents. All calibration and intercalibration activities were completed before data set were uplaoded to the NASA SeaBASS data repository. Data related to this cruise can be publicly accessed at: https://seabass.gsfc.nasa.gov/cruise/EXPORTSNA Updates to calibration and intercalibration documents required to reflect revised data sets will also be provided through SeaBASS. Questions concerning referencing these documents or accessing data sets should be directed to Inia Soto Ramos. NASA EXPORTS Science Lead: David Siegel, davesiegel@ucsb.edu NASA EXPORTS Project Scientist: Ivona Cetini´c, ivona.cetinic@nasa.gov NASA EXPORTS Data Manager: Inia Soto Ramos, inia.m.sotoramos@nasa.gov Calibration and intercalibration leads Temperature and salinity sensors: Andy Thompson, andrewt@caltech.edu Chlorophyll fluorescence sensors: Melissa Omand &amp; Kaley Sten, momand@uri.edu Oxygen sensors: Shawnee Traylor &amp; Roo Nicholson, shawnee@mit.edu Optical backscatter sensors: Xiaodong Zhang, Xiaodong.Zhang@usm.edu Lagrangian float sensors: Eric D’Asaro, dasaro@apl.washington.edu Underway sensors: Leah Johnson, leahjohn@uw.edu Underwater Vision Profiler (UVP)-Particle Size Distribution (PSD): David Siegel, davesiegel@ucsb.edu
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Schoor, Dr Markthinus van. DTRS57-04-C-10016 Piezo Structural Acoustic Pipeline Leak Detection System. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0011892.

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Describes structural-acoustic sensing and alert systems that continuously monitor a pipeline without the need for external power. When bonded to a pipeline, these sensors can detect minute and high-frequency strains. The specific focus here is on identifying leaks using this sensor by detecting associated acoustic waves traveling in the pipeline.
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Haile, Mulugeta A. Spatial Compressive Sensing for Strain Data Reconstruction from Sparse Sensors. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada611851.

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Ziolkowski, Christopher. DTPH56-16-T-00020 Pipeline Defense with Combined Vibration Earth Movement and Current Sensing. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011937.

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The project objective was to demonstrate the feasibility of a pipeline right-of-way defense system based on a suite of stationary sensors mounted on, and adjacent to, the pipeline. The sensor data from multiple locations along the pipe are wirelessly forwarded to a central location for further analysis. Analytics residing at a central location correlate the data from multiple sensors to alert operators to events of interest occurring in the ROW with minimal latency. The purpose of this project is to design, test, and demonstrate in the field a system that automatically monitors the right-of-way (ROW) and notifies gas utility operators of various threats. The deployment of this system would allow utilities to mitigate risk to their pipelines by being better informed of where and when threats are occurring. The current practice is for utility inspectors to patrol the ROW with emphasis on areas where construction is ongoing. Automated monitoring and notification would allow personnel to be more efficiently dispatched.
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Kumar, Praveen. PR753-233900-R01 Enhanced Leak Detection Using Minimally Invasive Multi-Sensor Device Based Inspection. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000078.

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The project team investigated the feasibility of identifying pipeline leaks using Novel sensing approaches that have been recently gaining popularity in the "Pipeline Integrity assessment" realm (such as multi-Sensor inline inspection tools) that incorporate sensors such as Audio, Magnetometry, Pressure etc. The flow loop setup at the PRCI TDC site was leveraged to create a customized test setup and a test execution methodology was developed and executed towards this end. Two Sensing equipment vendors (hereinafter referred to as Vendor A and Vendor B) were used to collect various sensor datasets on separate test runs In test scenarios where leak signatures were identified, the team investigated the feasibility of quantifying/characterizing the leak and to ascertain the minimum leak size that can be reliably detected.
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