Search Results for feature

...Introduction In this chapter, the implementation of the pre-processing and feature extraction stage for the vibration signals of the centrifugal pump is presented. There are seven different cases of the pump, which represent six faulty conditions (bearing, impeller, misalignment, imbalance...

...FIG. 9.1 Detail and approximation decomposed 6 level signals of the 7 pump conditions (db4 mother wavelet). The SVM scheme uses two scenarios; 2 parameters and 60 features; and when the features number was reduced to 30. The effectiveness (sensitivity) of each parameter against all conditions...

... of the experimental setup are already given in Sec. 5.3 and Fig. 5.1 of Chap. 5; however, in Fig. 10.1 , additional features of the experimental model system are shown. FIG. 10.1 Experimental model of the study. FIG. 10.2 Validation of the MLP-BP scheme. (a) The overall confusion matrices for classification...

... to its educational significance and opinion articles describing features of laboratory environments and promising innovations but not comprising empirical data based on the use of virtual laboratories at all levels of education. The context of the present paper is Physics Education Research; hence, we...

...: either higher performance in problem solving or on conceptual questions, depending on the school. Learning problem-solving production rules In summary, studies of expert–novice differences illustrate the features of effective expert solution methods: experts rely on a detailed initial description...

... intrinsic and extrinsic motives ( Metwally et al., 2021 ). Thus, gamification practices are based on education and psychology, linking motivation, learner autonomy, and cognitive and behavioral features ( Busarello et al., 2016 ). However, though gamification has been applied for nearly...

... the opposite because, as we have already pointed out, frequent formative assessment is a necessary, characteristic feature of interactive-engagement physics classes. The very issue here is that we lack a theoretical lens of assessment, or more specifically, a lens of formative assessment, through which we can...

... of science and technology. For example, argued from a responsible citizenship perspective, Cottey (2010) examined 59 nuclear physics textbooks from 1950 to 2010 and found consistent features of unbalanced representations of nuclear power reactors and nuclear weapons in textbooks. Cottey (2010) argued...

..., while the physical space is important, it is not the critical feature; rather, many factors contribute to building learning environments. One effort within Physics Education Research (PER) has been to create optimal learning environments that serve a particular function or solve a specific problem...

... environments, teacher preparation, and equity. Volume III features an even broader perspective including the impact of history and philosophy on physics teaching, and the role of mathematics in physics learning and teaching. Volume III ends with a more “meta” view of the field itself, including developments...

... preparation, and equity. Volume III features an even broader perspective including the impact of history and philosophy on physics teaching and the role of mathematics in physics learning and teaching. Volume III ends with a more “meta” view of the field itself, including developments in what we study and how...

..., etc.) and vice versa? The resulting chapters present an authoritative overview of the literature with an emphasis on major achievements and highly influential studies. They also feature important work that is not widely familiar in the PER community. We hope that readers will be able to identify areas...

... is usually that the goal is initially perceived as ill-defined. Clarifying or revising it is often the most important part of problem-solving, a process that continues until a solution is reached and justified. This goal clarification entails recognizing the essential features of the situation and separating...

... is that nanotechnology is growing-up vastly and dramatically that has a lot of interest and consideration because of its wide technological and engineering applications. So, the nanosize of nanotechnology features guide to reduce consumption and increase the device efficiencies. In addition, many advantages are noticed...