Results 31 to 40 of about 909,701 (168)

Linear, Nonlinear, and Distributed-Parameter Observers Used for (Renewable) Energy Processes and Systems—An Overview

open access: yesEnergies
Full- and reduced-order observers have been used in many engineering applications, particularly for energy systems. Applications of observers to energy systems are twofold: (1) the use of observed variables of dynamic systems for the purpose of feedback ...
Verica Radisavljevic-Gajic   +2 more
doaj   +1 more source

Relativistic Aberration for Accelerating Observers

open access: yes, 2007
We investigate the effects of the aberration of light for a uniformly accelerating observer. The observer we consider is initially at rest with respect to a luminous spherical object--a star, say--and then starts to move away with constant acceleration ...
Beig, Robert, Heinzle, J. Mark
core   +1 more source

Active steering control for vehicle rollover risk reduction based on slip angle estimation

open access: yesIET Cyber-systems and Robotics, 2020
In this study, a robust controller is proposed for rollover risk suppression in automatically-driven vehicles by reducing the lateral acceleration through a steer-by-wire system equipped on the vehicles.
Ke Shao   +5 more
doaj   +1 more source

Fuzzy inferencing-based path planning with a cyber-physical framework and adaptive second-order SMC for routing and mobility control in a robotic network

open access: yesIET Cyber-systems and Robotics, 2020
In this study, the authors address the problem of optimal routing and relative motion control in a network of robots. The path planning scheme has been designed using a fuzzy-based potential function employing optimal routing parameters.
Anuj Nandanwar   +2 more
doaj   +1 more source

Passive States for Essential Observers

open access: yes, 2008
The aim of this note is to present a unified approach to the results given in \cite{bb99} and \cite{bs04} which also covers examples of models not presented in these two papers (e.g. $d$-dimensional Minkowski space-time for $d\geq 3$).
Borchers H. J.   +10 more
core   +2 more sources

Theoretical Application of a Hybrid Observer on Altitude Tracking of Quadrotor Losing GPS Signal

open access: yesIEEE Access, 2018
In this paper, it is theoretically demonstrated that a quadrotor can track trajectories using a low-cost global positioning system with signal losses in unpredictable instants.
Jonathan Omega Escobedo-Alva   +4 more
doaj   +1 more source

Einstein-Podolsky-Rosen correlation in gravitational field

open access: yes, 2003
For quantum communication in a gravitational field, the properties of the Einstein-Podolsky-Rosen (EPR) correlation are studied within the framework of general relativity.
D. Bohm   +13 more
core   +2 more sources

Accurate torque-sensorless control approach for interior permanent-magnet synchronous machine based on cascaded sliding mode observer

open access: yesThe Journal of Engineering, 2017
To improve the accuracy of torque control for vector control of interior permanent-magnet synchronous machine (IPMSM), this study proposes a torque-sensorless control method based on cascaded sliding mode observer (SMO).
Kai-Hui Zhao   +7 more
doaj   +1 more source

Non-Bilocal Measurement via Entangled State

open access: yes, 2005
Two observers, who share a pair of particles in an entangled mixed state, can use it to perform some non-bilocal measurement over another bipartite system. In particular, one can construct a specific game played by the observers against a coordinator, in
Eran Shmaya   +3 more
core   +1 more source

Output Choice of a Chaotic Jerk Circuit Used as Transmitter in Data Secure Communications

open access: yesAdvances in Electrical and Computer Engineering, 2015
Usually, when analyzing a data series, dynamical systems theory is used to reconstruct the state space of the original system. This work aims to determine which of a chaotic system's states is best suited as output when transmitting secret messages ...
DATCU, O.   +4 more
doaj   +1 more source

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