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Prevention of Windup Caused by Saturating Sensors (Approach with Saturation Indicator)
2021Presented is a new windup prevention scheme for minimum-phase SISO systems with saturating sensor, subject to step-like disturbances. It follows the standard design paradigm of anti-windup control, namely, “Design a nominal compensator and if saturation causes undesired effects, add measures to prevent them.” In input-constrained systems, one first ...
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Threshold and multiple indicators for nitrogen saturation in subtropical forests
Environmental Pollution, 2018The influence of nitrogen (N) deposition on forest ecosystems largely depend on the N status. Developing threshold and practical indicators for N saturation in subtropical forests, with extremely high N deposition, would both enhance forest management and the assessments of global N balance and carbon (C) sequestration.
Yu, Qian +7 more
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Harmonic content as the indicator of transformer core saturation
2010 4th International Power Engineering and Optimization Conference (PEOCO), 2010The paper proposes a measurement method for obtaining the parameters needed to calculate a reliable indicator of the state of transformer core saturation. The major nonlinear effects in transformer core are saturation, eddy current and hysteresis.
Muhammad Irwanto +2 more
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Indications for Soil Carbon Saturation in a Temperate Agroecosystem
Soil Science Society of America Journal, 2008The soil C saturation concept postulates that there is an upper limit to the equilibrium soil C level of mineral soils even when soil C input is increased. To test this concept, we analyzed the relationship between steady‐state soil C input and soil organic C (SOC) concentration in a temperate corn ( Zea mays
Haegeun Chung, John H. Grove, Johan Six
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Is Routine Assessment of Arterial Oxygen Saturation In Pulmonary Outpatients Indicated?
Chest, 1988Pulse oximetry was used in 1,675 pulmonary outpatient visits to determine whether routine assessment of arterial oxygen saturation was indicated in detecting unanticipated severe desaturation. An SaO2 less than 85 percent was found in only 18 visits (1.1 percent). Changes in symptoms, pulmonary function or both which alerted the clinician to a possible
M, Loggan, G R, Kerby, S K, Pingleton
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Journal of Sedimentary Research, 1969
Abstract The permeability of moderately permeable Jurassic sandstone from the Colorado Plateau as calculated from grain size and other textural parameters agrees reasonably well with that determined experimentally, if calculated permeability is reduced by a factor that reflects fractional saturation with capillary water.
G. Edward Manger +2 more
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Abstract The permeability of moderately permeable Jurassic sandstone from the Colorado Plateau as calculated from grain size and other textural parameters agrees reasonably well with that determined experimentally, if calculated permeability is reduced by a factor that reflects fractional saturation with capillary water.
G. Edward Manger +2 more
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Vacuum Saturated Absorption As Aggregate Durability Indicator
ACI Materials Journal, 2007Aggregate durability testing is the subject of this paper. The testing is necessary to achieve a durable concrete by accurately selecting the most durable coarse aggregates. The authors note that the time-consuming and labor-intensive nature of this testing can see both increased efficiency and a reduction in cost by a corresponding reduction in the ...
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Definition of Residual Oil Saturation with the Use of Radon Indicator
60th EAGE Conference and Exhibition, 1998Definition of residual oil saturation is one of the key questions when studying oil and gas field. On of the main methods of residual oil saturation definition is an Induction log. For this purpose reference wells equipped with plastic liner are used. An Impulse Neutron-Neutron log can be another method.
V. N. Kilakov +4 more
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Saturating pore fluid Bayes Indicator for reservoir mapping
9th International Congress of the Brazilian Geophysical Society, 2005A seismic-based reservoir properties estimation is implemented and tested in this work. The main goal in this work is to map oil saturated sands based on a sandshale oil field system. We consider petrophysical measurements as source of information to construct a conditional probability density function (PDF) for water saturated sand and a conditional ...
Aline G. Oliveira +2 more
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Modelling Australian electricity prices using indicator saturation
Energy Economics, 2022Nicholas Apergis +3 more
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