Results 141 to 150 of about 492,351 (307)

Real‐Time Implementation of Unknown Input Observer‐Based State and Unknown Disturbance Estimation for Series Active Filters

open access: yesInternational Journal of Circuit Theory and Applications, Volume 53, Issue 7, Page 3970-3992, July 2025.
For the series active filter (SAF), a combined controller and observer scheme is proposed. Two controllers—state feedback (SFB) and linear quadratic regulator (LQR)—along with state observers, including the Luenberger observer (LO), proportional–integral observer (PIO), and unknown input observer (UIO), have been designed.
Nagulapati Kiran, I. E. S. Naidu
wiley   +1 more source

MPPT Control for Solar Splash Photovoltaic Array [PDF]

open access: yes, 2017
This thesis demonstrates the ability to model and simulate the operation of Maximum Power Point Tracking, MPPT. Moreover, the MPPT technology is contextualized within the confines of the Solar Splash competition to provide the foundation for future model
Zenko, Kelsey
core   +2 more sources

Analytical and Numerical Investigation of Exhaust Gas Driven Turbine Powered Generator

open access: yesEngineering Reports, Volume 7, Issue 7, July 2025.
Schematic representation of an exhaust gas‐driven turbine‐powered generator system. ABSTRACT The design and simulation of an exhaust gas‐driven turbine‐powered generator (EGDTPG) are the main topics of this study. The engine's exhaust gases, which are normally released into the atmosphere, are converted into energy by the EGDTPG.
Tadele Bishaw Achenef   +3 more
wiley   +1 more source

Analysis of Optimization Algorithms Used in Permanent Magnet Synchronous Motor Control According to Different Performance Indices

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi
Permanent magnet synchronous motors (PMSM) can be produced at lower costs with new developments in magnet technology and are widely used in many industrial areas due to their low energy consumption.
Engin Mert, Mustafa Dursun
doaj   +1 more source

Optimized Backstepping Fuzzy Sliding Mode Controller for Trajectory Tracking of Mobile Manipulator

open access: yesEngineering Reports, Volume 7, Issue 7, July 2025.
This article presents a robust control technique for a Mobile Manipulator (MM), consisting of a robotic manipulator mounted on a mobile robot. To simultaneously control the end‐effector motion and platform velocity, a two‐step control approach is proposed. First, kinematic velocity control generates desired trajectories for the system.
Geta Menyechel Eneyew   +2 more
wiley   +1 more source

Multi‐Axial Subassemblage Testing System for Hybrid Simulation With Large‐Scale Structural Components

open access: yesEarthquake Engineering &Structural Dynamics, Volume 54, Issue 8, Page 2084-2105, 10 July 2025.
ABSTRACT This article presents the Multi‐Axial Subassemblage Testing facility of ETH Zurich, Switzerland (ETHZ‐MAST) for quasi‐static testing and hybrid simulation (HS) of large‐scale structural components and assemblies. The ETHZ‐MAST features a 6‐degrees‐of‐freedom (DOFs, 3 translations and 3 rotations) loading system based on a steel crosshead and ...
Diego Pizarro   +3 more
wiley   +1 more source

Friction Characterization and Mitigation in Large‐Scale 6DOF Multi‐Axial Hybrid Simulation

open access: yesEarthquake Engineering &Structural Dynamics, Volume 54, Issue 9, Page 2283-2302, 25 July 2025.
ABSTRACT In the last few decades, hybrid simulation has become widely used for understanding the response of structural components and systems under extreme loading conditions. Large‐scale, three‐dimensional (3D), multi‐axial testing facilities with six degrees of freedom (6DOF) are versatile testing systems that can be used for testing a variety of ...
Pedram Mortazavi   +7 more
wiley   +1 more source

Vibration‐Based Energy Harvesting From a Two‐Degree‐of‐Freedom Auxetic Beam Element With Variable Stiffness

open access: yesWind Energy, Volume 28, Issue 7, July 2025.
ABSTRACT In this study, energy harvesting was carried out by creating a piezoelectric‐based two‐degree‐of‐freedom aeroelastic structure. It is aimed to obtain more energy by gluing the piezoelectric material on the auxetic region. In addition, a second degree of freedom was created by connecting three thin rods between the beam element and the flow ...
Fevzi Çakmak Bolat   +2 more
wiley   +1 more source

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