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Reliability Analysis Based on a Gamma-Gaussian Deconvolution Degradation Modeling with Measurement Error
(2021-04-30)In most degradation tests, the measuring processes is affected by several conditions that may cause variation in the observed measures. As the measuring process is inherent to the degradation testing, it is important to ... -
Reliability analysis for DC motors under voltage step-stress scenario
(2020-03-10)In reliability analysis, different stress techniques are used to know the lifetime and performance of electrical devices via accelerated life testing. One of these stress technique is the step stress, which combines the ... -
Reliability analysis using exponentiated Weibull distribution and inverse power law
(2019-06-01)Today in reliability analysis, the most used distribution to describe the behavior of devices is theWeibull distribution. Nonetheless, theWeibull distribution does not provide an excellent fit to lifetime datasets that ... -
Reliability by Using Weibull Distribution Based on Vibration Fatigue Damage
(2023-09-14)In this paper, a Weibull probabilistic methodology is proposed with an approach to model vibration fatigue damage accumulation using two parameters: Weibull distribution and a nonlinear fatigue damage accumulation model. ... -
Removal Of Pb And As By Bacteria Isolated From Sediments Of Las Vírgenes Dam And Río Conchos In The State Of Chihuahua, Mexico
(2022-05-31)Lead (Pb) and Arsenic (As) are elements that negatively affect all living organisms if present in the environment. These elements have been reported in the sediments of water supply basins in the State of Chihuahua, Mexico. ... -
Replacement of electric resistive space heating by a geothermal heat pump in a residential application – Environmental amortisation
(2019-11-14)This paper reports the life cycle analysis (LCA) of the replacement of a conventional boiler by a geothermal boiler in a standard, medium sized, single-family dwelling, located in a Mediterranean country such as Spain. The ... -
Replacement of electric resistive space heating by an air-source heat pump in a residential application. Environmental amortization
(2018-05-30)All-electric boilers and air source heat pumps are both powered by electric energy. However, each kWh of heat that is produced implies higher electric consumption in the former. Therefore, as a consequence of financial ... -
Required effort for shaft/ring setting according to roughness due to CNC lathe machining
(2020-12-30)The shaft/hub joints use the difference in diameters to make the assembly, either by pressure or by temperature. In this investigation, a study was made of the effect of roughness in an assembly, represented by the inner ... -
Residual 3D convolutional neural network to enhance sinograms from small-animal positron emission tomography images
(2023-05-05)Positron emission tomography (PET) has been widely used in nuclear medicine to diagnose cancer. PET images suffer from degradation because of the scanner’s physical limitations, the radiotracer’s reduced dose, and the ... -
Resiliencia como antecedente del aprendizaje organizacional en el contexto de la pandemia por COVID-19
(2022-02-01)Hoy en día las organizaciones están en constante aprendizaje en todos los ámbitos, y más en estos tiempos de pandemia, por ello los dirigentes deben estar preparados para hacer frente a cualquier ... -
Resolution in the 3D modeling of objects for additive manufacturing and reverse engineering–shutter effect
(2021-04-30)This article presents a proportional relationship between Shutter and the value of the resolution scanning system that allows decision making for modeling 3D parts used in reverse engineering and additive manufacturing. ... -
Revisiting the Dissimilarity Representation in the Context of Regression
(2021-11-23)In machine learning, a natural way to represent an instance is by a feature vector. However, several studies have shown that this representation may not characterize an object accurately. For classification problems, the ... -
RGD Peptide-Functionalized Polyether Ether Ketone Surface Improves Biocompatibility and Cell Response
(2023-08-29)Polyether ether ketone (PEEK) is a biocompatible polymer used in maxillofacial and orthopedic applications because of its mechanical properties and chemical stability. However, this biomaterial is inert and requires ... -
Risk Assessment With Value Added Pythagorean Fuzzy Failure Mode and Effect Analysis for Stakeholders
(2021-11-10)The new product development process (NPDP) is crucial for maintaining business up and running in manufacturing corporations worldwide. NPDP helps firms improve their profits, where stakeholder attention is mostly focused. ... -
Risk Score Based on Critical Factors Associated with COVID-19
(2020-11-21)The rapid spread of COVID-19 among Mexican population has had a great impact on the rates of infected people and the daily confirmed deaths by the new coronavirus. As a consequence, the public and private sector response ... -
Robust cascade controller for the power factor of the three-phase supply and the induction motor velocity
(2023-06-13)It is well known that induction motors consume active and reactive energy from the utility grid to operate. Additionally, when a power converter drives the motor, a high content of current harmonics is produced, and both ... -
Robust weighted Gaussian processes
(2020-07-09)This paper presents robust weighted variants of batch and online standard Gaussian processes (GPs) to effectively reduce the negative impact of outliers in the corresponding GP models. This is done by introducing robust ... -
Robustness analysis of an outranking model parameters’ elicitation method in the presence of noisy examples
(2018-01-03)One of the main concerns in Multicriteria Decision Aid (MCDA) is robustness analysis. Some of the most important approaches to model decision maker preferences are based on fuzzy outranking models whose parameters (e.g., ...