Results 31 to 40 of about 260,089 (296)

Dynamics analysis of the hybrid powertrain under multi-frequency excitations with two time scales

AIP Advances, 2018
Aiming at the dynamic behavior of hybrid powertrain under multi-frequency excitations with two time scales, this paper has carried out related research work.
Donghai Hu, Yanzhi Yan, Xiaoming Xu, Jing Wang   +3 more
doaj   +1 more source

A Novel Dual-Structure Parallel Hybrid Excitation Machine for Electric Vehicle Propulsion

Energies, 2019
Magnetic field regulation is a difficult and long-existing issue in surface-mounted permanent magnet synchronous machines (PMSMs). To produce effective and efficient flux regulation for PMSMs, a new topology, named a dual-structure parallel hybrid ...
Xiaodong Zhang, Xing Zhao, Shuangxia Niu
doaj   +1 more source

Constructions of Strict Lyapunov Functions for Discrete Time and Hybrid Time-Varying Systems [PDF]

, 2006
We provide explicit closed form expressions for strict Lyapunov functions for time-varying discrete time systems. Our Lyapunov functions are expressed in terms of known nonstrict Lyapunov functions for the dynamics and finite sums of persistency of ...
Albertini, Angeli, Angeli, Angeli, Bacciotti, Coron, Faubourg, Frédéric Mazenc, Khalil, Krichman, Malisoff, Mancilla-Aguillar, Mancilla-Aguillar, Mazenc, Mazenc, Michael Malisoff, Morin, Nesić, Nesić, Samson, Sontag, Sontag, Sontag, Sontag, Van der Schaft   +24 more
core   +6 more sources

A Novel Hybrid Excitation Doubly Salient Generator with Separated Windings by PM Inserted in Stator Slot for HEVs

Energies, 2022
Aiming to design a generator with high reliability, high efficiency, and especially a constant output voltage over a wide speed range for hybrid electric vehicles (HEVs), this paper proposes a novel topology of a hybrid excitation doubly salient ...
Mengyao Wang, Baoquan Kou, Lu Zhang, Yuansheng Zhao, Jian Xu   +4 more
doaj   +1 more source

Polarization control of metal-enhanced fluorescence in hybrid assemblies of photosynthetic complexes and gold nanorods [PDF]

, 2014
Fluorescence imaging of hybrid nanostructures composed of a bacterial light-harvesting complex LH2 and Au nanorods with controlled coupling strength is employed to study the spectral dependence of the plasmon-induced fluorescence enhancement.
Aizpurua, J., Brotosudarmo, T. H. P., Bujak, Ł., Cogdell, R. J., Czechowski, N., Heiss, W., Mackowski, S., Olejnik, M., Piatkowski, D., Schmidt, M. K.   +9 more
core   +1 more source

Influence of Parameters on the Excitation Power of Third Harmonic Brushless Hybrid Excitation Generator

Energies
Hybrid-excited generators have a wide voltage regulation capability or a wide range of variable-speed constant-voltage output capability, providing a significant advantage in the new energy power generation field.
Yonghong Xia, Jianxin Xu, Jinhui Hu, Yeguo Yu, Ying Chen, Jingming Zhang   +5 more
doaj   +1 more source

A Novel Double Stator Hybrid-Excited Flux Reversal Permanent Magnet Machine With Halbach Arrays for Electric Vehicle Traction Applications

IEEE Access, 2023
This research paper introduces a novel double-stator (DS) hybrid-excited (HE) flux reversal permanent magnet (FRPM) machine with Halbach PM arrays, specifically designed for electric vehicle (EV) traction applications. The study commences with a detailed
Shichao Ning, Pattasad Seangwong, Nuwantha Fernando, Jonggrist Jongudomkarn, Apirat Siritaratiwat, Pirat Khunkitti   +5 more
doaj   +1 more source

Analysis of Performance Improvement of Passenger Car Synchronous Homopolar Generator with the Addition of Ferrite Magnets

Applied Sciences, 2023
Electric machines with hybrid excitation have increased torque density while maintaining a wide range of speed control. This article presents the results of the optimal design of a synchronous homopolar generator (SHG) with ferrite magnets on the rotor ...
Vladimir Prakht, Vladimir Dmitrievskii, Vadim Kazakbaev   +2 more
doaj   +1 more source

Effective Floquet Hamiltonian theory of multiple-quantum NMR in anisotropic solids involving quadrupolar spins: Challenges and Perspectives

, 2017
The response of a quadrupolar nucleus (nuclear spin with I>1/2) to an oscillating radio-frequency (RF) pulse/field is delicately dependent on the ratio of the quadrupolar coupling constant to the amplitude of the pulse in addition to its duration and ...
Ganapathy, Vinay, Ramachandran, Ramesh
core   +1 more source

Ant Colony Based Hybrid Approach for Optimal Compromise Sum-Difference Patterns Synthesis [PDF]

, 2010
Dealing with the synthesis of monopulse array antennas, many stochastic optimization algorithms have been used for the solution of the so-called optimal compromise problem between sum and difference patterns when sub-arrayed feed networks are considered.
Manica, Luca, Massa, Andrea, Rocca, Paolo   +2 more
core   +3 more sources