Results 21 to 30 of about 425,448 (355)
IET Cyber-systems and Robotics, 2023 This study addresses two issues about the interaction of the upper limb rehabilitation robot with individuals who have disabilities. The first step is to estimate the human's target position (also known as TPH).
Brahim Brahmi +2 more
doaj +1 more source
Energies, 2016 Wireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged ...
Linlin Tan +5 more
doaj +1 more source
A spatial impedance controller for robotic manipulation [PDF]
, 1997 Mechanical impedance is the dynamic generalization of stiffness, and determines interactive behavior by definition. Although the argument for explicitly controlling impedance is strong, impedance control has had only a modest impact on robotic ...
Broenink, Jan F., Fasse, Ernest D.
core +2 more sources
Estimates of Acausal Joint Impedance Models [PDF]
IEEE Transactions on Biomedical Engineering, 2012 Estimates of joint or limb impedance are commonly used in the study of how the nervous system controls posture and movement, and how that control is altered by injury to the neural or musculoskeletal systems. Impedance characterizes the dynamic relationship between an imposed perturbation of joint position and the torques generated in response.
David T, Westwick, Eric J, Perreault
openaire +2 more sources
Stabilized Control for Power Electronics Transformer-Based Grid-Tied Inverter System
IEEE Access, 2023 The stability of a grid-tied inverter system will be compromised in weak grid conditions. In order to address this problem, researchers have proposed using a power electronics transformer (PET) to connect inverters and the grid.
Xiangbing Wang +4 more
doaj +1 more source
An Effective EMTR-Based High-Impedance Fault Location Method for Transmission Lines
, 2020 This paper summarizes the electromagnetic time reversal (EMTR) technique for fault location, and further numerically validates its effectiveness when the fault impedance is negligible. In addition, a specific EMTR model considering the fault impedance is
An, Jianwei +3 more
core +1 more source
Measurements of the CERN PS longitudinal resistive coupling impedance [PDF]
, 2016 The longitudinal coupling impedance of the CERN PS has been studied in the past years in order to better understand collective effects which could produce beam intensity limitations for the LHC Injectors Upgrade project.
BIANCACCI, NICOLÒ +5 more
core +1 more source
Impedance analysis of new PS internal dump design [PDF]
, 2018 The High Luminosity Large Hadron Collider (HL-LHC) project at CERN calls for increasing beam intensity in the injector chain. In the Proton Synchrotron (PS), a pre-injector of the LHC, these intensities can result in beam instabilities and potential RF ...
Popovic, Branko +2 more
core +1 more source
IEEE Access, 2020 MMC (Modular Multilevel Converter) is the preferred topology for renewable energy delivery, but renewable energy resources, such as wind farms, contains much harmonic components.
Bo Yue +6 more
doaj +1 more source
On the modeling of sound propagation over multi-impedance discontinuities using a semiempirical diffraction formulation [PDF]
, 2006 Several approximate extensions of the semi-empirical De Jong model [ De Jong et al., J. Sound and Vib. 86, 23–46 (1983) ] are considered for the prediction of sound propagation over multiple impedance discontinuities.
Lam, YW, Monazzam, M
core +1 more source