Results 91 to 100 of about 9,268 (240)
Single-Stage Single-Phase Isolated Full-Bridge Buck–Boost DC–AC Inverters
This article presents a simple high-frequency transformer (HFT) isolated buck–boost inverter designed for single-phase applications. The proposed HFT isolated inverter, with its full-bridge buck–boost topology, provides a wider voltage ...
Usman Ali Khan +2 more
doaj +1 more source
Abstract Aims Obesity is a growing global health crisis; pharmacotherapies such as tirzepatide combined with multidisciplinary lifestyle support have shown promise but real‐world evidence in digital weight‐loss services (DWLSs) is limited. This retrospective study evaluated 6‐ and 12‐month weight loss, adherence and predictors of outcomes in an ...
Louis Talay +3 more
wiley +1 more source
Mars spacecraft power system development Interim report [PDF]
Modified Mariner power system design for Mars ...
Hayden, J. +3 more
core +1 more source
Design and control of a bidirectional wireless charging system using GaN devices [PDF]
Most of the existing wireless power transfer system works in unidirectional with one-direction control signals. This paper presents a bidirectional wireless charging system with duplex communication method, which is not only able to achieve the two-way ...
Gu, Bowen +4 more
core +2 more sources
Beyond Negated Identity: Mediating the World History Classroom through Adorno's Negative Dialectics
Abstract This article centers on Adorno's negative dialectics to account for experiences of alienation and marginalization within the world history classroom. It begins with the problem of how marginalization occurs in high school world history classrooms with predominantly Black and Latinx students.
Tadashi Dozono
wiley +1 more source
Design and Implementation of Takagi-Sugeno Fuzzy Tracking Control for a DC-DC Buck Converter [PDF]
This paper presents the design and implementation of a Takagi-Sugeno (T-S) fuzzy controller for a DC-DC buck converter using Arduino board. The proposed fuzzy controller is able to pilot the states of the buck converter to track a reference model.
Guiza, Dhaouadi +3 more
core +2 more sources
China inside out: Explaining silver flows in the triangular trade, c. 1820s‒70s
Abstract This paper analyses a new large dataset of silver prices, as well as silver and merchandise trade flows in and out of China in the crucial decades of the mid‐nineteenth century when the Empire was opened to world trade. Silver flows were associated with the interaction between heterogeneous monetary preferences and availability of specific ...
Alejandra Irigoin +2 more
wiley +1 more source
Rancang Bangun UPS Pada Beban (900VA) Berbasis Mikrokontroller [PDF]
Banyak pemadaman listrik dilakukan di daerah – daerah secara bergilir. Pemadaman listrik ini dilakukan karena kapasitas beban sudah melebihi kapasitas yang telah ditentukan Kebutuhan energi listrik untuk mensupply peralatan elektronik semakin meningkat ...
Lexi Yustisia, Lexi
core
Should Firms Avoid Relying on Key Employees? Evidence From Inventors
ABSTRACT Analysing inventor careers in U.S. public firms, we find that higher inventor‐base concentration enhances corporate innovation productivity in subsequent years, a relationship that remains consistent across various model specifications. Concentration improves the retention of individual inventors and teams, supporting the employee retention ...
Jin Wang
wiley +1 more source
A new technique of PWM boost inverter for solar home application [PDF]
This paper analyzes the procedural approach and benefits of applying optimization techniques to the design of a boost dc-ac converter with solar cell as an input.
Akhter, Rafia
core

