134,352 research outputs found
PENGENDALIAN KECEPATAN PUTAR MOTOR DC DENGAN JARINGAN SARAF TIRUAN B-SPLINE SECARA ON LINE
No full textDalam perancangan kendali kecepatan putar motor dc secara konvensional, misal dengan
menggunakan PI, PID, konstanta proporsional, integral dihitung berdasarkan parameter motor yang
dikendalikan. Secara praktis seringkali parameter-parameter ini tidak diketahui.
Sebuah pendekatan dalam pengendalian plant yang parameternya tidak diketahui dapat dilakukan
dengan menggunakan jaringan saraf tiruan. Dalam hal ini jaringan saraf tiruan B-Spline digunakan sebagai
komponen pengendali motor dc dengan parameter yang tidak diketahui. Pada jaringan saraf tiruan ini
hanya menggunakan B-spline orde 1, orde 2, dan orde 3
Pada tugas akhir ini dilakukan pengujian terhadap unjuk kerja jaringan syaraf B-spline untuk
mengendalikan kecepatan putar motor secara on-line. Pengujian terhadap unjuk kerja jaringan syaraf
dilakukan dengan pengujian pengaruh laju konvergensil,gain proposional.
Hasil pengujian menunjukkan semakin besar laju konvergensi dan gain proposional yang diberikan
semakin cepat waktu penetapan. B-spline orde 3 mempunyai laju pembelajaran yang lebih baik dari pada
orde 2 dan orde 1.
Kata kunci : Jaringan Syaraf Tiruan, B-Spline,Motor D
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Measurement of the ratio of branching fractions B(B0→K∗0γ )/B(B0s→φγ ) and the directCP asymmetry inB 0→K∗0γ
No full textThe ratio of branching fractions of the radiative B decays B0→K⁎0γ and B0s→ϕγ has been measured using an integrated luminosity of 1.0 fb−1 of pp collision data collected by the LHCb experiment at a centre-of-mass energy of s√=7TeV. The value obtained is
B(B0→K⁎0γ)B(B0s→ϕγ)=1.23±0.06(stat.)±0.04(syst.)±0.10(fs/fd),
where the first uncertainty is statistical, the second is the experimental systematic uncertainty and the third is associated with the ratio of fragmentation fractions fs/fd. Using the world average value for B(B0→K⁎0γ), the branching fraction B(B0s→ϕγ) is measured to be (3.5±0.4)×10−5.
The direct CP asymmetry in B0→K⁎0γ decays has also been measured with the same data and found to be
ACP(B0→K⁎0γ)=(0.8±1.7(stat.)±0.9(syst.))%.
Both measurements are the most precise to date and are in agreement with the previous experimental results and theoretical expectations
Pragmatic Case Studies as a Source of Unity in Applied Psychology
No full textTo unify or not to unify applied psychology: that is the question. In this article we review pendulum swings in the historical efforts to answer this question—from a comprehensive, positivist, “top-down,” deductive yes between the 1930s and the early 60s, to a postmodern no since then. A rationale and proposal for a limited, “bottom-up,” inductive yes in applied psychology is then presented, employing a case-based paradigm that integrates both positivist and postmodern themes and components. This paradigm is labeled “pragmatic psychology” and, its specific use of case studies, the “Pragmatic Case Study Method” (“PCS Method”). We call for the creation of peer-reviewed journal-databases of pragmatic case studies as a foundational source of unifying applied knowledge in our discipline. As one example, the potential of the PCS Method for unifying different angles of theoretical regard is illustrated in an area of applied psychology, psychotherapy, via the case of Mrs. B. The article then turns to the broader historical and epistemological arguments for the unifying nature of the PCS Method in both applied and basic psychology.Peer reviewe
On abstraction refinement for program analyses in Datalog
No full textA central task for a program analysis concerns how to efficiently find a program abstraction that keeps only information relevant for proving properties of interest. We present a new approach for finding such abstractions for program analyses written in Datalog. Our approach is based on counterexample-guided abstraction refinement: when a Datalog analysis run fails using an abstraction, it seeks to generalize the cause of the failure to other abstractions, and pick a new abstraction that avoids a similar failure. Our solution uses a boolean satisfiability formulation that is general, complete, and optimal: it is independent of the Datalog solver, it generalizes the failure of an abstraction to as many other abstractions as possible, and it identifies the cheapest refined abstraction to try next. We show the performance of our approach on a pointer analysis and a typestate analysis, on eight real-world Java benchmark programs
Dr. Edwin Wright Collection: Author Unknown
No full textNotes - The author relates several short stories about his neighbours including Alex McDonell, homesteading and life around Meanook and Athabasca (1 page
Measurement of the Xi(-)(b) and Omega(-)(b) baryon lifetimes
No full textUsing a data sample of pp collisions corresponding to an integrated luminosity of 3 fb−1, the Ξ−b and Ω−b baryons are reconstructed in the Ξ−b → J/ψΞ− and Ω−b → J/ψΩ− decay modes and their lifetimes measured to be
τ(Ξ−b) = 1.55+0.10−0.09 (stat) ± 0.03 (syst) ps,
τ(Ω−b) = 1.54+0.26−0.21 (stat) ± 0.05 (syst) ps.
These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Penerapan prinsip qaulan sadidan dalam dakwah Dr. Zakir Naik: penelitian pada video youtube debat dan Ceramah “ Dr Zakir Naik berhasil menjawab pertanyaan seorang Atheis tentang penciptaan manusia”.
No full textSeorang da’i dituntut untuk mengembangkan keterampilan, membangun argumen yang kokoh untuk memberikan pemahaman yang jelas kepada mad’u nya dan mengemas pesan- pesan dakwah dengan pendekatan bahasa dakwah yang tepat mengenai sasaran. Dr Zakir Naik yang tegas dan jelas di setiap argumennya, menggunakan dalil-dalil yang meyakinkan mad’u nya dan dengan pemikirannya yang logis mampu memberikan pencerahan kepada ratusan juta orang di seluruh dunia, dan telah mengislamkan puluhan ribu bahkan ratusan ribu orang di seluruh dunia.
Berdasarkan latar belakang diatas, maka Tujuan penelitian ini yaitu untuk mengetahui adakah prinsip qaulan sadidan yang diterapkan dalam dakwah Dr. Zakir Naik.
Dalam skripsi ini, peneliti menggunakan teori komunikasi persuasif. Yang dijabarkan oleh Ronald L. Applebaum Dan sebagai teori pendukung yaitu teori De Vito yang menggunakan pendekatan psikologis.
Penelitian ini menggunakan metode analisis isi ( content analysis ) berdasarkan objek yang akan diteliti. Dalam hal ini, objek penelitian ini adalah tayangan debat dan ceramah yang di akses melalui Youtube, dengan judul video yaitu Dr. Zakir Naik berhasil menjawab pertanyaan seorang Atheis tentang penciptaan manusia. dengan durasi video 22 menit 27 detik . Dengan teknik pengumpulan data melalui membaca, mencatat, mengolah serta studi pustaka. Dengan metode ini peneliti mencoba mengkaji data- data keseluruhan isi pesan dakwah pada Dr. Zakir Naik.
Dari data – data yang diperoleh , maka peneliti menyimpulkan bahwa terdapat penerapan prinsip qaulan sadidan dalam dakwah yang disampaikan oleh Dr. Zakir Naik. Hal tersebut berdasarkan beberapa aspek diantaranya 1) unsur kejelasan dalam penyampaian materi dakwah Dr Zakir Naik, yang dilihat dari a) kejelasan sumber b) kejelasan dalam memberikan penegasan dalam penyampaian dakwahnya 2) unsur kemahiran dalam penjelasan dakwah Dr. Zakir Naik , dilihat dari a) kemahirannya menguasai ilmu agama Islam dan kitab agama lain, b) kemahiran menggunakan ilustrasi c) kemahiran dalam menjawab pertanyaan mad’u 3) daya tarik logika dalam penjelasan dakwah, Lebih tepatnya da’i selaku komunikator harus mampu melogikakan pesan dakwah dengan bahasa yang mudah dipahami. Disini dilihat dari a) logika nya menggunakan ayat Qur’an, dan b) argumentasinya yang logis
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