A bridgeless Cuk PFC converter

A bridgeless Power Factor Correction (PFC) circuit based on Cuk converter is proposed in this paper. The operation during each sub-interval modes of the converter operated in Discontinuous Conduction Mode (DCM) is discussed. The smallsignal and large signal models are presented using Current Injected Equivalent Circuit Approach (CIECA). PLECS/Simulink is used to verify the capability of the proposed converter to regulate the output voltage while the input current regulation is inherent. This converter is capable to operate in universal input voltage condition

Morfologi kata kerja bahasa Muna

Laporan penelitian dengan judul "Morfologi Kata Kerja Bahasa Muna" ini termasuk di antara perwujudan hasil kerja sarna antara Proyek Penelitian Bahasa dan Sastra Indonesia dan Daerah Sulawesi Selatan dengan Universitas Hasanuddin pada tahun 1983/1984. Dalam buku laporan ini disajikan berbagai aspek kata kerja bahasa Muna, salah satu bahasa daerah di Sulawesi Tenggara.Tim peneliti yang telah diserahi kepercayaan olch Pemimpin Proyek dalam melaksanakan tugas ini telah berusaha menyusun dan menyajikan laporan ini berdasarkan data dan informasi yang telah diperoleh selama penelitian dilangsungkan. Dalam keterbatasan waktu dan kemampuan tentu saja ada hal-hal yang belum tersentuh dan terjangkau

Variable thermal resistor based on self-powered Peltier effect

Heat flow through a thermoelectric material or device can be varied by an electrical resistor connected in parallel to it. This phenomenon is exploited to design a novel thermal component-variable thermal resistor. The theoretical background to this novel application is provided and an experimental result to demonstrate its feasibility is reported

Konstelasi Relasi Antar Aktor dalam Gerakan Penolakan Tambang Emas di Desa Pace Kecamatan Silo Kabupaten Jember 2016

This study aimed to analyze the movements and actors in the resistance movement of gold mining in the Pace village Subdistrict Silo, Jember regency. This research was using the Qualitative method include in-depth interviews and field in research studies,In addition collecting documents related to this research. This research had resulted, in finding the relationships between actors prone to be a trigger of conflict and led to the refusal movement made by the village community of Pace. Conflict of individuals who had an influence that made this conflict had became a mass conflict involving the community at large. Meantime, besides individual behalf, the state also had behalf for mining through PT Antam. The presence of the state in gold mining in the Pace village had become new chapter to the people who reject gold mining in the Pace village

Verifikasi Desain Antena Berbasis Dipol Berbentuk V untuk Pengamatan Garis 21 Cm

21 cm adalah salah satu garis emisi penting didalam astronomi radio. Garis ini umumnya digunakan untuk mempelajari karakteristik galaksi-galaksi. Artikel ini mempresentasikan sebuah antena dipol berbentuk V untuk sistem telekop radio 21 cm, yang berkorespondensi dengan frekuensi pengamatan 1420MHz. Designnya telah diimplementasikan dan diukur. Hasil pengukuran memperlihatkan kesesuaian dengan simulasi, dengan eror frekuensi puncak sebesar 0,7%. SWR yang diperoleh juga cukup rendah, yaitu sekitar 1,14. Antena yang diajukan pada artikel ini berpotensi untuk digunakan sebagai feed pada antena reflektor atau sebagai elemen penyusun pada sebuah sistem antena array

HIV-1 Tat complexes reveal subunit composition of active P-TEFb and stable association with 7SKsnRNP

International audiencen.

Widespread mitochondrial depletion via mitophagy does not compromise necroptosis

Programmed necrosis (or necroptosis) is a form of cell death triggered by the activation of receptor interacting protein kinase-3 (RIPK3). Several reports have implicated mitochondria and mitochondrial reactive oxygen species (ROS) generation as effectors of RIPK3-dependent cell death. Here, we directly test this idea by employing a method for the specific removal of mitochondria via mitophagy. Mitochondria-deficient cells were resistant to the mitochondrial pathway of apoptosis, but efficiently died via tumor necrosis factor (TNF)-induced, RIPK3-dependent programmed necrosis or as a result of direct oligomerization of RIPK3. Although the ROS scavenger butylated hydroxyanisole (BHA) delayed TNF-induced necroptosis, it had no effect on necroptosis induced by RIPK3 oligomerization. Furthermore, although TNF-induced ROS production was dependent on mitochondria, the inhibition of TNF-induced necroptosis by BHA was observed in mitochondria-depleted cells. Our data indicate that mitochondrial ROS production accompanies, but does not cause, RIPK3-dependent necroptotic cell death

Visual Simultaneous Localization and Mapping Using Direct-Based Method for Unmanned Aerial Vehicle (UAV)

The Direct Sparse Odometry (DSO) technique is a new form of visual odometry that makes use of a direct and sparse structure to achieve precision. In this project, the objective is to apply the DSO algorithm on the Unmanned Aerial Vehicle (UAV) application. The main studies in this project are focusing on the experimentation for DSO algorithm parameter setting. Another objective is to evaluate the parameter and performance of DSO algorithm. The data evaluation was based on three different environments in the university campus. In this project, the Realsense D435i camera was applied to the RDDRONE-FMUK66 with interface of the Raspberry Pi 3 B+ model to capture the data. This project managed to analyze suitable point values on the active points and gradient parameter setting. The same parameter configuration which concerns on point density and keyframe management have been experimented in the three environment. From this project it is concluded that DSO on UAV can be improved in order to gain a stable data processing to be applied in the algorithm