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Assessment of product stability
International Journal for Consumer and Product Safety, 1994Abstract In this paper the mechanical stability of consumer products is discussed from both a theoretical and a practical point of view. It is shown that the two methods of stability testing most often used in product safety standards (inclined plane and destabilizing force) can be used for determining a third important parameter, the overturning ...
Dirk van Aken +2 more
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Assessing Biodiversity and Ecological Stability
Science, 2000Jocelyn Kaiser, in her News Focus article “Rift over biodiversity divides ecologists” (25 Aug., p. [1282][1]), repeats the conventional wisdom that Robert May's theoretical work in the 1970s showed that diversity works against stability.
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A Stability Assessment Methodology
IEEE Power Engineering Review, 1986Weak transmission boundaries are shown to cause steady state and transient stability problems. The weak boundaries are defined by a loss of controllability property of the transient stability model. The loss of synchronism for fault contingencies can occur across these weak boundaries [7] if this boundary is weak compared to the other cutsets that ...
M. Lotfalian +5 more
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Decision Trees for Voltage Stability Assessment
2020 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm), 2020This paper proposes two different methods to train the DTs for voltage stability assessment, which in turn can aid in deriving preventive actions that can be given as recommendations to system operators or automatic load shedding schemes. In the voltage stability indices method, the DTs are trained on contingency cases that are classified based on ...
V. S. Narasimham Arava, Luigi Vanfretti
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On the Stability of Performance Assessments
Journal of Educational Measurement, 1993This study examined the stability of scores on two types of performance assessments, an observed hands‐on investigation and a notebook surrogate. Twenty‐nine sixth‐grade students in a hands‐on inquiry‐based science curriculum completed three investigations on two occasions separated by 5 months.
Maria Araceli Ruiz‐Primo +2 more
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Assessing the stability of rolling
Steel in Translation, 2013By plotting histograms and calculating the variation coefficient of the primary drive’s torque in the cells of a continuous rolling mill, the stability of the process may be assessed. The elastic torques and motor torques in cells 5–7 of the 1680 mill in strip rolling were measured simultaneously at OAO Zaporozhstal’, and the results were statistically
V. V. Verenev +3 more
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Voltage stability indices for stability assessment: a review
International Journal of Ambient Energy, 2018Right through the past eras, behind numerous shutdowns voltage instability was the cause. Assessment of system voltage consistently ensures safe operation.
AR Nageswa Rao, Priya Vijaya, M Kowsalya
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Biochar stability assessment methods: A review
Science of The Total Environment, 2019Biochar is being developed as a candidate with great potential for climate change mitigation. Sequestering biochar carbon in soil contributes greatly to the reduction of greenhouse gases emissions, and biochar stability is the most decisive factor that determines its carbon sequestration potential.
Lijian, Leng +4 more
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Intraoperative Measurements and Tools to Assess Stability
Journal of the American Academy of Orthopaedic Surgeons, 2017Knee stability is the ability for the joint to maintain an appropriate functional position throughout its range of motion. Knee instability can be defined as excessive laxity during activities of daily living. Intraoperative knee laxity can be affected by implant design, alignment of components, and soft-tissue balancing. Soft-tissue balance is a major
Darryl D, DʼLima, Clifford W, Colwell
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Statistical Stability Assessment
2017<div class="section abstract"> <div class="htmlview paragraph">This SAE Aerospace Information Report (AIR) provides a methodology for performing a statistical assessment of gas-turbine-engine stability-margin usage. Consideration is given to vehicle usage, fleet size, and environment to provide insight into the probability of encountering
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