Relevant bibliographies by topics / Measurements and monitoring

Contents

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

Academic literature on the topic 'Measurements and monitoring'

Author: Grafiati
Published: 10 March 2023
Last updated: 19 July 2025

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Journal articles on the topic "Measurements and monitoring"

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Markuze, Yu I., Anh Cuong Le, Thi Thu Nguyen, and Hai Nam Dinh. "Monitoring coarse measurement errors and initial data." Geodesy and Cartography 937, no. 7 (2018): 11–16. http://dx.doi.org/10.22389/0016-7126-2018-937-7-11-16.

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Rough errors are a consequence of the observer’s miscalculations, device malfunctions, their displacements at the time of measurement, incorrect measurement techniques chosen, rapid and sharp deterioration of external conditions and other causes. That is why, one of the problems in the theory of mathematical processing geodetic measurements is culling measurements containing gross errors. In the last two decades received recursion equalization has been widespread. It enables evaluating the unknown while new measurements are added to the network and measurements with gross errors are deleted [3, 4]. In the article, a complementary recurrent equalization is developed. It is original, convenient and recommended for wide application in production.
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Waidson, Mike. "HDTV Measurements and Monitoring." SMPTE Journal 111, no. 2 (2002): 71–79. http://dx.doi.org/10.5594/j16390.

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Hujo, Ľ., Z. Tkáč, J. Tulík, J. Kosiba, D. Uhrinová, and M. Jánošová. "Monitoring of operation loading of three-point linkage during ploughing." Research in Agricultural Engineering 62, No. 1 (2016): 24–29. http://dx.doi.org/10.17221/10/2015-rae.

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The research was focused on operational measurements of tractor plough tools and their subsequent utilisation and simulation under laboratory conditions by a hydrostatic simulator. In this field, theoretical and experimental works were focused on tractors, whereby the proposal of laboratory test arose out of the loading characteristics of the three-point linkage of the tractor. These characteristics were obtained from the agricultural tractor’s operation in plough aggregation. Measurements were performed with the following tools: tractor with carrier-mounted four-mouldboard plough PH1-435 and tractor with Kuhn plough manufactured by. The subject of these measurements was to obtain the time courses of forces and pressures in the hydraulic system of the three-point linkage during ploughing with carrier-mounted and semi-mounted ploughs. For objective comparison of the obtained results during experimental measurements, we determined the characteristics of measurement conditions focused on physical and mechanical properties of the soil – bulk density, moisture, penetrometer resistance and slide strength of the soil.
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Menzel, Tobias, and Wolfgang Potthast. "Validation of a Unique Boxing Monitoring System." Sensors 21, no. 21 (2021): 6947. http://dx.doi.org/10.3390/s21216947.

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Much development work and scientific research has been conducted in recent years in the field of detecting human activity and the measurement of biomechanical performance parameters using portable sensor technologies, so-called wearable systems. Despite the fact that boxers participating in one of the most vigorous and complex disciplines of all sports, it is one of the disciplines where no noteworthy, advanced performance analytic tools are used for training or for competition purposes worldwide. This research aimed to develop and validate a comprehensive punch performance sensor system for the measurement and analysis of biomechanical parameters in the sport of boxing. A comprehensive validation study on linear regression was conducted following the development of the sensor system, between the gold standard of a Kistler force plate and Vicon motion capture system, to compare sensor-derived measurements with the gold standard-derived measurements. The developed sensor system demonstrated high accuracies ranging from R2 = 0.97 to R2 = 0.99 for punch force, acceleration, velocity and punch-time data. The validation experiments conducted demonstrated the significant accuracy of the sensor-derived measurements for predicting boxing-specific biomechanical movement parameters while punching in field use. Thus, this paper presents a unique sensor system for comprehensive measurements of biomechanical parameters using the developed mobile measurement system in the field of combat sports
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P, Tuccimei. "mproving Gas Permeability Measurements for Environmental Monitoring and Management." Open Access Journal of Waste Management & Xenobiotics 2, no. 2 (2019): 1–11. http://dx.doi.org/10.23880/oajwx-16000123.

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Intrinsic permeability is a crucial parameter to interpret soil gas data recorded from monitoring stations in different environmental settings. It is also fundamental for environmental management and pollution reme diation. An improved version of a permeameter (PRM3) recently developed for environmental applications is presented and calibrated against a reference instrument (RADON - JOK produced by RADON v.o.s.). The innovations of this prototype are: i) the absence of the flow meter, and ii) a membrane pump in place of a rotary vane device. Proper calculation of the permeability from Darcy’s law is provided, as well as a modified formula for permeability determination in volcanic areas. Actually, soil gas viscosity and permeability are affected by changing gas temperature and composition. The effects of these two parameters on soil gas viscosity and permeability are also displayed. The second part of the paper shows the employ of permeability measurements in environment al monitoring. The aim of these field - works was the study of lateral and vertical variability of soil permeability at a very small scale (step of 0.25 m) and the effect of intrinsic permeability on gas transport through the soil and on gas concentration al ong depth profiles . We chose 2 different test sites: Valle della Caffarella (Roma, Italy) and Solfatara Volcano (Pozzuoli, Italy) areas. A specific protocol, designed to check any interference among permeability measurements carried out at very close dista nces demonstrated that no disturbance is occurring. Intrinsic permeability profiles resulted to be good proxy indicators for the degassing style of the two areas. In both cases, it gave important hints to interpret environmental data and help in the manage ment of the sites.
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Skrzypczak, Izabela, Janusz Kogut, Wanda Kokoszka, and Dawid Zientek. "Monitoring of Landslide Areas with the Use of Contemporary Methods of Measuring and Mapping." Civil And Environmental Engineering Reports 24, no. 1 (2017): 69–82. http://dx.doi.org/10.1515/ceer-2017-0005.

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Abstract In recent years, there is an increase of landslide risk observed, which is associated with intensive anthropogenic activities and extreme weather conditions. Appropriate monitoring and proper development of measurements resulting as maps of areas at risk of landslides enables us to estimate the risk in the social and economic aspect. Landslide monitoring in the framework of SOPO project is performed by several methods of measurements: monitoring of surface (GNSS measurement and laser scanning), monitoring in-deepth (inclinometer measurements) and monitoring of the hydrological changes and precipitation (measuring changes in water-table and rainfall).
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Whitehill, Andrew R., Melissa Lunden, Brian LaFranchi, Surender Kaushik, and Paul A. Solomon. "Mobile air quality monitoring and comparison to fixed monitoring sites for instrument performance assessment." Atmospheric Measurement Techniques 17, no. 9 (2024): 2991–3009. http://dx.doi.org/10.5194/amt-17-2991-2024.

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Abstract. Air pollution monitoring using mobile ground-based measurement platforms can provide high-quality spatiotemporal air pollution information. As mobile air quality monitoring campaigns extend to entire fleets of vehicles and integrate smaller-scale air quality sensors, it is important to address the need to assess these measurements in a scalable manner. We explore the collocation-based evaluation of air quality measurements in a mobile platform using fixed regulatory sites as a reference. We compare two approaches: a standard collocation assessment technique, in which the mobile platform is parked near the fixed regulatory site for a period of time, and an expanded approach, which uses measurements while the mobile platform is in motion in the general vicinity of the fixed regulatory site. Based on the availability of fixed-reference-site data, we focus on three pollutants (ozone, nitrogen dioxide, and nitric oxide) with distinct atmospheric lifetimes and behaviors. We compare measurements from a mobile laboratory with regulatory site measurements in Denver, CO, USA, and in the San Francisco Bay Area, CA, USA. Our 1-month Denver dataset includes both parked collocation periods near the fixed regulatory sites and general driving patterns around the sites, allowing a direct comparison of the parked and mobile collocation techniques on the same dataset. We show that the mobile collocation approach produces similar performance statistics, including coefficients of determination and mean bias errors, to the standard parked collocation technique. This is particularly true when the comparisons are restricted to specific road types, with residential streets showing the closest agreement and highways showing the largest differences. We extend our analysis to a larger (yearlong) dataset in California, where we explore the relationships between the mobile measurements and the fixed reference sites on a larger scale. We show that using a 40 h running median converges to within ±4 ppbv of the fixed reference site for nitrogen dioxide and ozone and up to about 8 ppbv for nitric oxide. We propose that this agreement can be leveraged to assess instrument performance over time during large-scale mobile monitoring campaigns. We demonstrate an example of how such relationships can be employed during large-scale monitoring campaigns using small sensors to identify potential measurement biases.
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Setiawan, Foni Agus, and Yuli Sudriani. "System Engineering for Online Monitoring and Early Warning of Water Environment." Jurnal INKOM 9, no. 2 (2016): 49. http://dx.doi.org/10.14203/j.inkom.422.

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Measurement activity usually performed at a time or in a certain time period. In the case of measurements at one time, measurements manually by visiting the location of measurements, take measurements and write them down, then left the location is not a problem. However, measurements made within a certain period of time or year would be verydraining, costly, and time consuming if perfomed manually. Thus, design and implementation of embedded system for online monitoring and early warning of water environment is proposed. The system consists of two parts i.e. monitoring stations (site) and monitoring center (server). A monitoring station is an embedded system that has interface with a logger. Monitoring center is a computer that runs the service that gets the data sent by the monitoring stations, process it and put it into the database. Monitoring center also runan http service to display data acquired from monitoring stations to end users both in tabular or graphical view . The system can perform continuous measurements and its results can be monitored remotely.
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Michel, Chris, and Sina Keller. "Advancing Ground-Based Radar Processing for Bridge Infrastructure Monitoring." Sensors 21, no. 6 (2021): 2172. http://dx.doi.org/10.3390/s21062172.

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In this study, we further develop the processing of ground-based interferometric radar measurements for the application of bridge monitoring. Applying ground-based radar in such complex setups or long measurement durations requires advanced processing steps to receive accurate measurements. These steps involve removing external influences from the measurement and evaluating the measurement uncertainty during processing. External influences include disturbances caused by objects moving through the signal, static clutter from additional scatterers, and changes in atmospheric properties. After removing these influences, the line-of-sight displacement vectors, measured by multiple ground-based radars, are decomposed into three-dimensional displacement components. The advanced processing steps are applied exemplarily on measurements with two sensors at a prestressed concrete bridge near Coburg (Germany). The external influences are successfully removed, and two components of the three-dimensional displacement vector are determined. A measurement uncertainty of less than 0.1 mm is achieved for the discussed application.
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Fišák, J., J. Chum, J. Vojta, and K. Bartůňková. "Automatic Monitoring of the Amount of Deposited Precipitation." Journal of Hydrometeorology 14, no. 2 (2013): 670–76. http://dx.doi.org/10.1175/jhm-d-12-073.1.

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Abstract An automatic device for measurement of the amount (weight) of deposited precipitation developed at the Institute of Atmospheric Physics, Academy of Sciences of the Czech Republic, is described. Examples of measurements of various types of deposited precipitation are presented. The paper also discusses the response of the measuring instrument to falling precipitation and the influence of wind on the measurements. The results of first measurements proved that the instrument is suitable for automatic and continuous monitoring of deposited precipitation.
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Dissertations / Theses on the topic "Measurements and monitoring"

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Kuhlmann, Volker. "Synchronous measurements and power quality monitoring." Thesis, University of Canterbury. Electrical and Electronic Engineering, 2004. http://hdl.handle.net/10092/6158.

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The task of simultaneous power systems measurements at locations which can be hundreds of kilometres apart carries the problem of precise synchronisation. To introduce this topic, this thesis begins with an overview of time, time stamping and synchronised data acquisition, and reviews its application to power quality monitoring. It then discusses the requirements for such systems and how different application scenarios shift the emphasis between aspects of the requirements. The complexity of a power distribution monitoring system is most dependent on the number of channels and sites which must be analysed, and the required time stamping accuracy. For some applications, samples need to be time stamped with an accuracy of 1µs. A requirements specification template is presented which aids, for example, in purchase decisions to establish needed features. A specific example of such a system, CHART III, has been developed at the University of Canterbury (Christchurch, New Zealand), which uses a hardware time base and sample dock generation, hardware time stamping, and GPS synchronisation to achieve a time stamping accuracy of 0.5 µs. The design of the time base of this system is published in this thesis and described in detail. The CHART III system was used to gain practical experience and to establish its usability and operational limitations, and provided input for the theoretical considerations of an ideal system. Synchronised distributed data acquisition using two and three CHART III instrument was performed on two live power systems, collecting data in the frequency and time domains. A number of enhancements were made as a result, particularly to the control and analysis software in the areas of extending the handling of the GPS receiver and provision of additional system status and error information. Because the emphasis of the work is on the instrumentaton, no further analysis of the collected data is presented in this thesis. The CHART III system was connected to the internet to investigate issues of remote configuration and the consolidation of sample analysis at a single powerful computer. Limits for time domain measurements, which have a higher data rate than the system can handle continuously, were established as being a minimum of 10 seconds. In a data acquisition system, the quantisation error introduced by the ADC sets a lower limit for the noise. The effects of this quantisation noise on the recovery of harmonic magnitudes and phases were examined. Simulations were performed to model the influence of ADC width, fast Fourier transform length, harmonic amplitude and harmonic order. Both magnitude and phase errors are independent of harmonic order, decrease with the number of ADC quantisation levels, and decrease with the square root of the transform length. The magnitude error is independent of the harmonic amplitude for a sufficiently large amplitude to noise ratio. The phase error is inversely proportional to the amplitude. The accuracy of a harmonic analyser can therefore be increased by increasing the ADC width or the transform length. For accuracies likely to be required by typical power quality applications, these simulations indicate that a 12 bit ADC gives sufficiently accurate results. Finally, the effect of current trends in microprocessor technology is discussed. Power quality monitoring systems can now be built much more simply and cheaply then when CHART III was designed. The most important improvement is that a single standard CPU can now handle the data from a number of channels, eliminating the need for specialised digital signal processors and the associated cost of producing software for a second architecture. Processor performance seems to be set to increase steadily, promising future improvements in time stamping accuracy, the number of channels which can be handled by one processor, and the availability of more complex analysis functions.
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Zhou, Ming. "Advanced System Monitoring with Phasor Measurements." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/27813.

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Phasor Measurement Units (PMUs) are widely acknowledged as one of the most promising developments in the field of real-time monitoring of power systems. By aligning the time stamps of voltage and current phasor measurements that are consistent with Coordinated Universal Time (UTC), a coherent picture of the power system state can be achieved through either direct measurements or simple linear calculations. With the growing number of PMUs planned for installation in the near future, both utilities and research institutions are looking for the best solutions to the placement of units as well as to the applications that make the most of phasor measurements. This dissertation explores a method for optimal PMU placement as well as two applications of synchronized phasor measurements in state estimation. The pre-processing PMU placement method prepares the system data for placement optimization and reduces the size of the optimization problem. It is adaptive to most of the optimal placement methods and can save a large amount of computational effort. Depth of un-observability is one of the criteria to allow the most benefit out of a staged placement of the units. PMUs installed in the system provide synchronized phasor measurements that are highly beneficial to power system state estimations. Two related applications are proposed in the dissertation. First, a post-processing inclusion of phasor measurements in state estimators is introduced. This method avoids the revision of the existing estimators and is able to realize similar results as mixing phasor data with traditional SCADA with a linear afterwards step. The second application is a method to calibrate instrument transformers remotely using phasor measurements. Several scans of phasor measurements are used to accomplish estimating system states in conjunction with complex instrument transformer correction factors. Numerical simulation results are provided for evaluation of the calibration performance with respect to the number of scans and load conditions. Conducting theoretical and numerical analysis, the methods and algorithms developed in this dissertation are aimed to strategically place PMUs and to incorporate phasor measurements into state estimators effectively and extensively for better system state monitoring. Simulation results show that the proposed placement method facilitates approaching the exact optimal placement while keep the computational effort low. Simulation also shows that the use of phasor measurement with the proposed instrument transformer correction factors and proposed state estimation enhancement largely improves the quality of state estimations.<br>Ph. D.
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Engelbrecht, André. "Structural integrity monitoring using vibration measurements." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-07032006-122342/.

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Al-Haider, Sahailah Ahmed. "Monitoring and modelling direct atmospheric formaldehyde measurements." Thesis, University of Leeds, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436382.

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Aaltonen, Jaana. "Ground Monitoring using Resistivity Measurements in Glaciated Terrains." Doctoral thesis, Stockholm : Tekniska högsk, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3177.

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CAMERINI, MURILO GIRON. "FLEXIBLE RISERS MONITORING TECHNIQUE BASED ON VIBRATION MEASUREMENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2012. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=20697@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>Um dos principais mecanismos de falha em risers flexíveis é o rompimento de arames da armadura de tração. A experiência tem mostrado que esta classe de dano tende a surgir primariamente na parte emersa do riser, próximo à sua terminação. A ruptura dos arames ocorre de forma progressiva, podendo ser causada por diferentes processos, tais como corrosão pelo ingresso de fluido no espaço anular entre capa e armadura, desgaste excessivo associado com o contato e atrito entre arames adjacentes ou entre as diferentes camadas metálicas da armadura, ou mesmo a presença de níveis elevados de tensões produzidas pelos carregamentos mecânicos aos quais o riser é submetido durante a operação. O deterioramento progressivo pode dar origem a defeitos localizados que agem como concentradores de tensão e levam o arame à ruptura através de um processo de fadiga. O duto flexível é capaz de manter-se em operação mesmo com alguns dos arames de suas armaduras rompidos, porém uma sequencia de rupturas pode levar à ocorrência de vazamentos ou mesmo a falhas catastróficas. O monitoramento contínuo em tempo real é uma das principais alternativas para evitar que o dano progressivo nas armaduras do riser resulte em acidentes com severas consequências econômicas e ambientais. As técnicas de monitoramento da integridade de risers flexíveis podem ser classificadas como diretas, onde é possível identificar diretamente a existência de um dano/falha, ou indiretas, em que o sistema de sensoriamento registra indicações secundárias, possivelmente consequência da falha. Esta dissertação relata o desenvolvimento de um sistema de monitoramento baseado em vibrações. Trata-se de uma técnica indireta baseada em eventos, onde no momento da ruptura do arame um sinal de vibração, distinto tanto na frequência quanto na amplitude, é detectado por acelerômetros instalados na capa polimérica externa do riser. No trabalho, são apresentados resultados de quatro ensaios em escala real que demonstraram a viabilidade do sistema para um primeiro teste de campo. Estratégias de instrumentação dos dutos e as variações dos sinais detectados são apresentadas e discutidas. Os resultados mostraram que a resposta vibratória do sinal de ruptura apresenta características específicas, garantindo uma boa confiabilidade na detecção. Porém, em se tratando de uma técnica indireta, verifica-se que quando dois sistemas de monitoramento de naturezas complementares são empregados em conjunto, as probabilidades de detecção dos eventos de rupturas aumentam significativamente.<br>The main failure in flexible risers is the disruption of the wires from the tensile armor layer. Experience has shown that this class of damage occurs primarily near to the top riser connector. The breaking of the wires occurs gradually and may be caused by different processes as corrosion by inflow of fluid in the annular space, excessive wear associated with the contact and friction between adjacent wires or between different riser layers. The progressive deterioration can lead to localized defects that act as stress concentrators and may break the wire from the tensile armor layer through a fatigue process. The flexible pipe is able to remain in operation even with some broken wires, but a sequence of ruptures can conduce to a catastrophic failure. Real time continuous monitoring is one of the main alternatives to prevent progressive wire damage results in an accident with severe economic and environmental consequences. This thesis describes the development of a monitoring system based on vibrations. This is an indirect technique based on events, where in the moment of the wire break, one vibration signal is registered. This signal can be distinguished both in frequency and amplitude and detected by accelerometers installed on the polymeric outer layer of the riser. We present results of four tests in real scale that demonstrated the viability of the system for an initial field test. Instrumentation strategies in riser and the variations of the signals detected are presented and discussed. The results showed that the vibrational signal has specific characteristics ensuring good detection reliability.
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Halén, Axel. "Cloud Monitoring and observation measurements in OpenStack environment." Thesis, Luleå tekniska universitet, Datavetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-70896.

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Gerrard, Carl Andrew. "Remote monitoring of power system conductor voltages." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263990.

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Parri, Lorenzo. "Ion current and exhaust gas composition measurements for combustion monitoring." Doctoral thesis, Università di Siena, 2021. http://hdl.handle.net/11365/1143828.

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The efficiency of combustion processes is assuming nowadays a huge importance, since the energy production, many industrial processes, as well as building heating systems are still mainly based on the combustion of hydrocarbons. The performance of the combustion process depends on many factors and it is a crucial point for the reliability and the efficiency of a plant or a thermal machine that exploits combustion as a primary source of energy. Moreover, the constant increasing of carbon dioxide concentration in atmosphere makes more and more important reducing the emission of this gas as well as the other pollutant/toxic chemical compounds that are produced during combustion. An optimized combustion process allows reducing dramatically the production of chemical compounds like carbon monoxide or nitrogen oxides, and also to releasing in the atmosphere the minimum amount of carbon dioxide per unit of energy produced. There are many studies related to the optimization of the internal combustion of the engines, especially for automotive applications, whereas the literature is less exhaustive for burner combustion optimization. The focus of this work is the study and the development of measurement systems allowing to get information about the combustion characteristics in gas turbines, with the aim of providing tools for monitoring/controlling the combustion parameters and keeping the combustion efficiency as high as possible over time. This activity has been developed in collaboration with Beker Huges (Nuovo Pignone Tecnologie - Florence), one of the world leaders in the design and development of gas turbines. Two different sources of information on the state of the combustion process have been considered in this thesis, namely the density of ions produced by the flame in the combustion chamber and the composition of the exhaust gases. The measurement of the ionic density due to the flame has been used since several years, particularly in the automotive sector, to obtain information about the combustion process: from the postprocessing of the signal obtained using ionization sensors (or ionic current sensors), it is possible to determine, for example, the onset of the combustion, the air–fuel ratio (and therefore the pollutant concentration at the exhaust), as well as to get information about the flame stability and the occurrence of periodic pressure variations in the combustion chamber. On this basis, even if the relationship between combustion parameters and flame induced ion density is highly dependent on the type of fuel, there is room to exploit the information of the ion sensors also with gas turbines, to optimize the operation of the combustor (e.g. reducing instability) and to monitor the polluting emissions. Ion or ionization sensors, which are usually used to measure the ion density in a burning gas, are essentially conductive electrodes capable of generating signals for either the charge transferred to/from the ionized gas and/or the charge induced on the electrodes themselves. The challenging issue concerns the choice of the materials for the sensor (electrodes and electrical insulators) which, being placed in the combustion chamber, must operate in extreme conditions, i.e., for example, in presence of very high temperatures. On the other hand, the conditioning front-end electronics for this kind of sensors is not critical. As far as the measurement of the concentration of toxic/pollutant compounds in exhaust gases is concerned, the most relevant compounds to be considered are carbon monoxide (CO) and nitrogen oxides (NOx). Monitoring CO and NOx in the exhaust gases is important not only from the point of view of environmental pollution, but also because their concentrations are useful and reliable indicators about the combustion efficiency. The drawback is that, due to the measurement procedure, they cannot be used for a timely feedback control of the combustion process, the reason is that the exhaust gases must be sampled from the chimney and pumped to the measurement instrument (gas analyser), and this procedure introduces a significant delay between the instant in which the gases are produced by the combustion and the time at which they are analysed. From the standpoint of the measurement instruments, exhaust gas analysers with different accuracies and costs (which are usually relevant) are available on the market. These devices can be portable or fixed and can exploit different measurement principles. Besides cost, an issue of these devices is that accurate gas sensors need frequent calibration exploiting reference gas tanks, which can be a problem in specific industrial plants such as power generation or oil and gas plants. The possibility to use a more flexible gas analyser, with a better trade-off among cost, measurement accuracy, the calibration intervals and robustness, is a deeply felt need in the oil &amp; gas sector, considering also that these instruments are required to operate in environments that can be severely harsh, especially in terms of temperature and humidity. In this thesis, the developed and tested, in laboratory and in actual real test rigs of two measurement instruments, one for ion current measurements and one for exhaust gas composition measurement is discussed. For the first instrument, a theoretical model of the ion sensor used was also developed, which significantly helped in interpreting the experimental data.
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Hamilton, Ruth Munro. "Cardiorespiratory measurements using inspired oxygen sinusoids." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301515.

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Books on the topic "Measurements and monitoring"

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Hoover, Coeli M., ed. Field Measurements for Forest Carbon Monitoring. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8506-2.

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American Society of Civil Engineers. Task Committee to Revise Guidelines for Dam Instrumentation. Monitoring dam performance: Instrumentation and measurements. American Society of Civil Engineers, 2018.

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Committee, International Radio Consultative. Handbook for monitoring stations. International Telecommunication Union, 1988.

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Babak, Vitaliy P., Serhii V. Babak, Volodymyr S. Eremenko, et al. Models and Measures in Measurements and Monitoring. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70783-5.

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Films for the Humanities & Sciences (Firm), ed. Monitoring student progress. Films for the Humanities & Sciences, 1999.

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Barnes, Erik R. Stream discharge monitoring in Whatcom County, WA. Huxley College of Environmental Studies, Western Washington University, 1999.

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Schumacher, N. Hydrologic and sediment monitoring of watersheds in India: A field manual. Indo-German Bilateral Project "Watershed Management", 2004.

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Montana Bureau of Mines and Geology and Geological Survey (U.S.), eds. Records of water levels in monitoring wells in the Gallatin Valley, southwestern Montana, 1947-93. U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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Nilsson, Elisabeth. Klimatmätningar vid Jädraås Försökspark 1992-1993, samt miljömätningar 1991-1993 =: Climatic measurements at Jädraås Research Station 1992-1993, and environmental measurements 1991-1993. Sveriges lantbruksuniversitet, Institutionen för ekologi och miljövård, 1994.

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Nilsson, Elisabeth. Klimatmätningar vid Jädraås Försökspark 1990-1991, samt miljömätningar 1985-1990 =: Climatic measurements at Jädraås Research Station 1990-1991, and environmental measurements 1985-1990. Sveriges lantbruksuniversitet, Institutionen för ekologi och miljövård, 1993.

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Book chapters on the topic "Measurements and monitoring"

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Magder, Sheldon. "Basics of Hemodynamic Measurements." In Cardiopulmonary Monitoring. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73387-2_22.

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Agostini, Franck, Elisa Franzoni, Kurt Kielsgaard Hansen, Hemming Paroll, and Lars-Olof Nilsson. "Monitoring, Remote Measurements." In Methods of Measuring Moisture in Building Materials and Structures. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74231-1_26.

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Olsen, Alexander Arnfinn. "Temperature Measurements." In Equipment Conditioning Monitoring and Techniques. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57781-9_4.

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Scardi, Michele, Lorenzo Tancioni, and Stefano Cataudella. "Monitoring Methods Based on Fish." In Water Quality Measurements. John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470863781.ch8.

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Lee, Seung-Bok, Gwi-Nam Bae, and Kil-Choo Moon. "Smog Chamber Measurements." In Atmospheric and Biological Environmental Monitoring. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9674-7_8.

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Monnet, Xavier, and Jean-Louis Teboul. "Measurements of Fluid Requirements with Cardiovascular Challenges." In Cardiopulmonary Monitoring. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73387-2_27.

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Benson, Richard C., and Lynn B. Yuhr. "Engineering Measurements and Monitoring." In Site Characterization in Karst and Pseudokarst Terraines. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-9924-9_20.

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Ancellet, Gérard, and Matthias Beekmann. "Ozone Monitoring and Measurements." In Tropospheric Ozone Research. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-58729-0_8.

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Mensky, Michael B. "The Monitoring of Energy." In Quantum Measurements and Decoherence. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9566-7_7.

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Leiza, Jose R., and Timothy McKenna. "Calorimetry, Conductivity, Densimetry, and Rheological Measurements." In Monitoring Polymerization Reactions. John Wiley & Sons, 2014. http://dx.doi.org/10.1002/9781118733813.ch7.

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Conference papers on the topic "Measurements and monitoring"

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Dawson, J. L., D. M. Farrell, P. J. Aylott, and K. Hladky. "Corrosion Monitoring Using Electrochemical Noise Measurements." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89031.

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Abstract The paper describes the use of electrochemical noise, the measurement of potential and current fluctuations, for corrosion monitoring. Also included is the outline of a data management system developed for data logging and analysis of the advanced electrochemical monitoring measurements. The PC based system has been particularly successful in long term corrosion investigations concerned with materials/inhibitor selection and/or the evaluation of those changing process conditions which give rise to localized corrosion, pitting and stress corrosion. The multi-system electrochemical monitoring approach also included the simultaneous logging of electrochemical impedance, and Linear Polarization Resistance Measurement from multi-element probes. The data from various analog instrument modules can be transferred from a Chessell 306 recorder via an interface and a RS-232 link or from digital voltmeters and an IEEE-488M interface. The raw data is stored in a packed format and can be rescaled to provide a suitable graphical and statistical analysis display. This allows periods of specific corrosion activity to be easily recognized and related to changes in the exposure environment or process fluid; also longer term trends can be identified by replotting the data collected over periods of weeks. The total system, monitoring equipment and data management package, has been used to advantage in various laboratory test programs, on-site for atmospheric testing and in-plant for flue gas environments. It is particularly useful in characterizing complex corrosion situations where specific operating periods or changes in environmental conditions give rise to periods of active corrosion, passivity or localized corrosion.
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Rodrigues, Mariana Jacob, Octavian Postolache, and Francisco Cercas. "Air Quality Monitoring for Human Activity Recognition." In 2025 IEEE Medical Measurements & Applications (MeMeA). IEEE, 2025. https://doi.org/10.1109/memea65319.2025.11067996.

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Charmet, Thibault, Véronique Cherfaoui, Javier Ibanez-Guzman, and Alexandre Armand. "Operational Design Domain Monitoring with Uncertain Measurements." In 2024 IEEE 27th International Conference on Intelligent Transportation Systems (ITSC). IEEE, 2024. https://doi.org/10.1109/itsc58415.2024.10919733.

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Carcione, A. "Detecting contact acoustic nonlinearity in TOFD measurements via quasistatic loading." In Structural Health Monitoring. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902455-47.

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Abstract. In this paper, we propose a novel method to detect and quantify contact acoustic nonlinearity using conventional time of flight diffraction (TOFD) non-destructive testing (NDT) equipment, with the aim to improve the sensitivity and robustness of TOFD measurements. This new method involves applying an external cyclic quasi-static load while simultaneously taking TOFD measurements. The applied load causes modulation of contact surfaces within damaged areas of the material, which can be observed as changes in the time-domain TOFD response. Additional processing extracts any load-dependent features from the signals, allowing the identification and quantification of damage and defects that exhibit contact acoustic nonlinearity. Importantly, this new quasistatic contact acoustic nonlinearity (QS-CAN) technique maintains time-resolution and localisation capability of conventional TOFD. It is shown that the technique can differentiate between different types of damage such as fatigue cracks or voids within samples. The new QS-CAN nonlinear ultrasonic methodology is a fundamental extension to all existing nonlinear measurement techniques. It allows for the first time to use time signals captured from conventional NDT equipment to extract nonlinear material characteristics.
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BULL, L. A., K. WORDEN, and N. DERVILIS. "Damage Classification Using Labelled and Unlabelled Measurements." In Structural Health Monitoring 2019. DEStech Publications, Inc., 2019. http://dx.doi.org/10.12783/shm2019/32484.

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CHEN, JUSTIN, NEAL WADHWA, ABE DAVIS, FREDO DURAND, WILLIAM FREEMAN, and ORAL BUYUKOZTURK. "Long Distance Video Camera Measurements of Structures." In Structural Health Monitoring 2015. Destech Publications, 2015. http://dx.doi.org/10.12783/shm2015/385.

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GRAVES, WILLIAM, and DAVID LATTANZI. "FULL-SCALE DEFORMATION FIELD MEASUREMENTS VIA PHOTOGRAMMETRIC REMOTE SENSING." In Structural Health Monitoring 2021. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/shm2021/36298.

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3D remote sensing technologies have improved dramatically over the past five years and methods such as laser scanning and photogrammetry are now capable of reliably resolving geometric details on the order of one millimeter or less. This has significant impacts for the structural health monitoring community, as it has expanded the range of mechanics-driven problems that these methods can be employed on. In this work, we explore how 3D geometric measurements extracted from photogrammetric point clouds can be leveraged for structural analysis and measurement of structural deformations without physically contacting the target structure. Here we present a non-destructive evaluation technique for extracting and quantifying structural deformations as applied to a load test on a highway bridge in Delaware. The challenging nature of 3D point cloud data means that statistical methods must be employed to adequately evaluate the deformation field of the bridge. Overall, the results show a direct pathway from 3D imaging to fundamental mechanical analysis with measurements that capture the true deformation values typically within one standard deviation. These results are promising given that the mid-span deformation of the bridge for the given load test is on the scale of only a few millimeters. Future work for this method will also investigate using these results for updating finite element models.
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"Comparative Assessment of Distributed Strain Measurement Technologies." In Structural Health Monitoring. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901311-3.

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Abstract. Fibre optic (FO) distributed strain sensing technology has introduced a significant new capability for structural health monitoring (SHM). FO sensing (FOS) offers a simpler installation process with improved resistance to corrosion and electromagnetic interference compared to traditional electrical resistance foil strain gauges (FSGs) which unlike FOS is limited to single point measurements. Previous FO distributed strain measurement studies at the Defence Science and Technology Group showed good correlation between strain measurements derived from a proprietary continuous fibre grating system and FSGs. This paper compares a commercially available, non-proprietary FO sensing system and digital image correlation (DIC) against industry standard FSGs and finite element analysis (FEA) predictions.
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Nakashima, T. "Development of deflection measurement method using smart cables with distributed fiber optic sensors." In Structural Health Monitoring. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902455-30.

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Abstract. The monitoring behavior of civil engineering structures under and after construction secures the quality and safety of structures. There is a possibility that spot measurements, which were frequently adopted in the past, fail to notice local deformation generated in non-measured points and such local deformation is sometimes generated in the ground and the concrete. Therefore, we paid attention to displacement measurement technology using fiber optic sensors capable of performing the distributed measurement. We considered measuring long civil engineering structures with a displacement accuracy of ±1 mm and conducted demonstration experiments to investigate this feasibility. In the experiment, we utilized 3DSensors (45 m and 170 m) that have the sufficient characteristic for application to civil engineering structures, such as high workability for the ground and structures and the actual achievements of field experiments, and the TW-COTDR system capable of performing measurements with high accuracy and at long distance. As a result, we demonstrated to measure the deflection of 2.5 mm with high accuracy.
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Thomas, Michael E., Marc B. Airola, and Jessica K. Makowski. "pectrally resolved infrared sea surface pyrometric measurements." In Ocean Sensing and Monitoring X, edited by Weilin "Will" Hou and Robert A. Arnone. SPIE, 2018. http://dx.doi.org/10.1117/12.2305424.

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Reports on the topic "Measurements and monitoring"

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Lindemuth, Dale. PR229-203604-Z01 Pipeline CP Monitoring Using Real Time Current Measurement. Pipeline Research Council International, Inc. (PRCI), 2024. https://doi.org/10.55274/r0000103.

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The combined deliverables provide tools for incorporating real time pipe current measurements into a remote monitoring protocol to help in an integrated external corrosion management plan for cathodically protected pipelines. The use of continuous remotely collected pipe current measurements optimizes the corrosion protection and improves response time to upset conditions that might otherwise compromise the corrosion control. The zip file contains 4 items: 1. PR229-203604-R01 Pipeline CP Monitoring Using Real Time Current Measurement - This report covers the results of and findings from the Phase 1 field-based research for PRCI Project EC-08-11 Pipeline CP Monitoring Using Real Time Pipe Current Measurement. Project EC-08-11 is directed toward determining the feasibility of taking remotely collected pipe current measurements into routine practice. The ultimate goal is to optimize the corrosion protection and improve response time to upset conditions that might otherwise compromise the corrosion control. Findings from the Phase 1 work will be used for an economic analysis and guidance document to be developed under Phase 2. 2. PR229-203604-M01 Pipeline CP Monitoring Using Real Time Current Measurement Guidance Manual - This guidance manual provides tools for incorporating real time pipe current measurements into a remote monitoring protocol to help in an integrated external corrosion management plan for cathodically protected pipelines. 3. PR229-203604-E02 Pipeline CP Monitoring Using Real Time Current Measurement Life-Cycle Cost Calculator - This Excel-based life-cycle cost calculator has been prepared to assist in the design of a pipeline cathodic protection remote monitoring program 4. PR229-203604-M02 Pipeline CP Monitoring Real Time Current Measurement Life-Cycle Cost Calculator Manual - This user's manual is companion to an Excel-based life-cycle cost calculator that has been prepared to assist in the design of a pipeline cathodic protection remote monitoring program.
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Hart, James, Nasir Zulfiqar, and Carl Popelar. L52289 Use of Pipeline Geometry Monitoring to Assess Pipeline Condition. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0010254.

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Describes an algorithm is developed for deducing the longitudinal or axial strain from geometry pig measurements of a laterally displaced pipeline; often caused by geohazards. The development is limited to those lateral displacements of the pipeline that results in a predominantly transverse loading; i.e., the induced transverse component of the loading is much greater than its axial component. The emphasis is upon evaluating inelastic straining that accompanies large lateral displacement of the pipeline. The induced extensional strain is found to vary linearly with the change in curvature of the pipeline. The validity of the approach is established through favorable comparisons of the predictions for the extensional strains with those determined from buried pipeline finite element simulations of various displaced pipe configurations, pipe geometries, and loading amplitudes. Since the algorithm relies only upon measurements of the geometry of the displaced pipeline, it is independent of the pipe's and soil's material properties, pipe-soil interaction, and the loading conditions. Benefit: The efficacy of the algorithm is demonstrated by performing a large matrix of finite element simulations of displaced pipelines of different geometries subjected to block subsidence, landslides intersecting the pipeline at varying angles, fault crossings at different angles and different loading states, and comparing the analytical strains with the strains deduced from digital pig measurements of the curvature of the deformed pipeline. In this regard, the finite element simulations serve the role of surrogate geometry pig measurements. These comparisons are used to establish the resolution of the change in curvature measurement required of a geometry pig to produce a reliable estimate for the longitudinal strain in a displaced pipeline. An error analysis is also performed to establish the relative error as a function of the curvature measurement gage length, a characteristic feature-length, and the abruptness of the displaced shape of the pipeline.
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Fourie and Tullmin. L51912 Corrosion-CP Monitoring of Locations Remote from a Test Station. Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0010624.

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It is accepted that many situations exist on pipelines where a significant length of the pipeline (typically 2000 ft to 5 miles) is either totally inaccessible or access is so difficult or expensive that monitoring is not done at the required frequency. The need for finding a technique to allow the corrosion engineer to monitor CP levels of inaccessible locations from an accessible remote location has therefore been identified. A study to investigate all possible techniques available to achieve the above objective and to analyze typical scenarios requiring this approach has therefore been undertaken. Numerous techniques varying from pipe-to-soil type measurements, above ground current attenuation measurements, direct measurement of pipeline current, and measurement of the AC impedance response of the inaccessible section of pipeline were identified. In addition, some novel remote monitoring methods applicable to hostile inaccessible locations were identified. Analysis of these techniques in relation to the problem lead to the development of an algorithm to facilitate the choice of possible techniques under specific conditions.
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Allendorf, S., D. Ottesen, H. Johnson, and D. Lambert. Process monitoring and control: Ammonia measurements in off-gases. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/552756.

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Loso, Michael, and Michael Loso. Glacier monitoring in the Central Alaska Network: Protocol narrative, version 1.0. National Park Service, 2025. https://doi.org/10.36967/2308209.

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Two of the three national parks that comprise the National Park Service Inventory &amp; Monitoring Program?s Central Alaska Network (CAKN) are covered by large quantities of glacier ice. Wrangell-St. Elias National Park and Preserve has 3,121 glaciers and Denali National Park and Preserve has 881. These glaciers cover significant portions of the parks and exert substantial influence over the surrounding landscapes with impacts on weather, vegetation, animal migration, river flow, aquatic life, and even downstream marine ecosystems. They also provide a significant attraction?and hazard?for visitors. These glaciers are changing rapidly, primarily due to the influence of warming air temperatures. The impacts of glaciers on park resources and park visitors are not only important, but quickly evolving, with important consequences for park management. For all these reasons, the Central Alaska Network has identified glaciers as one of the vital signs that should undergo long-term monitoring. This document describes the protocol for conducting that monitoring program. Glacier monitoring in the CAKN parks began in 1991 with measurements of mass balance (snow accumulation and melt) and surface elevation at one site on Denali?s Kahiltna Glacier. The monitoring has evolved since that time to include mass balance measurements on a second large glacier (Kennicott Glacier) in Wrangell-St. Elias. Those two glaciers are highly visited, compared to most other glaciers in the parks, and are relatively accessible for monitoring purposes. The objectives of these measurements are to document seasonal and interannual changes in the primary climatic forces that control glacier change: snow accumulation and melt. Combined with periodic remeasurements of the glacier boundaries and surface elevations, the protocol records mass balances of these two glaciers with both glaciological and geodetic methods, allowing analysis of total mass balance with accompanying understanding of the climatic forces behind it. The glacier monitoring protocol also calls for the use of increasingly available remote sensing techniques to document changes in glacier areas, surface elevations, and surface velocities for a broad collection of park glaciers. Outside the scope of the CAKN protocol, boundaries of all park glaciers have been digitized twice over the last decade, and this protocol calls for continuation of that decadal inventory using whatever remote sensing data and techniques are most applicable at each decadal time step. A subset of the largest park glaciers is also slated for measurement of surface elevations every 4-6 years, continuing the measurements made by Operation IceBridge since the mid-1990s.
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Morrison, H. F., A. Becker, and K. H. Lee. Measurements of electrical conductivity for characterizing and monitoring nuclear waste repositories. Office of Scientific and Technical Information (OSTI), 1986. http://dx.doi.org/10.2172/6691260.

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Lee, Ki Ha, Alex Becker, Hung-Wen Tseng, and Youngki Choi. High-Frequency Electromagnetic Impedance Measurements for Characterization, Monitoring and Verification Efforts. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/834455.

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Lee, Ki Ha, Alex Becker, and Hung-Wen Tseng. High-Frequency Electromagnetic Impedance Measurements for Characterization, Monitoring and Verification Efforts. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/834460.

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Lee, Ki Ha, Alex Becker, and Hung-Wen Tseng. High-Frequency Electromagnetic Impedance Measurements for Characterization, Monitoring and Verification Efforts. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/838819.

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Lee, Ki Ha, Alex Becker, and William Framgos. High Frequency Electromagnetic Impedance Measurements for Characterization, Monitoring and Verification Efforts. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/829932.

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