Results 1 to 10 of about 86,666 (234)

Coordinated control of acceleration slip regulation and active front steering for in-wheel motor driven electric vehicle based on dynamic slip ratio constraint. [PDF]

open access: yesPLoS ONE
In-wheel motor driven electric vehicles are prone to issues such as wheel spin, vehicle sideslip, fishtailing, and steering instability when traveling on compacted snow surfaces. While traditional optimal slip ratio tracking aims to maximize longitudinal
Zhigang Zhou   +3 more
doaj   +2 more sources

Research into the Properties of Selected Single Speed Two-Carrier ‎Planetary Gear Trains [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
A two-carrier planetary gear train (PGT) configuration, named S13WN, was developed for a specific application with a negative transmission ratio in the interval between -20 and -21.
Željko Vrcan   +3 more
doaj   +1 more source

On the Design of Continuously Variable Transmissions with Bidirectional Bridge Structures for Hybrid Vehicles

open access: yesApplied Sciences, 2021
To increase the energy efficiency of road vehicles, an ideal transmission system should have a wide ratio coverage, a high torque capacity, and a high mechanical efficiency. Continuously variable units (CVUs) have been successfully implemented due to the
Hsien-Yu Kuo, Tyng Liu
doaj   +1 more source

Minimization of torque pulsations by using a novel fuzzy controller in SRM drives for EV applications

open access: yesHeliyon, 2023
In recent years, the applications of Changed Reluctance Motors have expanded, from control system stepping motors to high torque e-vehicle applications. High-speed operation and a light-weight driving motor are required for an effective electric vehicle ...
S. Kudiyarasan   +2 more
doaj   +1 more source

Improving the Dynamic Force Control of Series Elastic Actuation Using Motors of High Torque-to-Inertia Ratios

open access: yesIEEE Access, 2020
A series elastic actuator (SEA) includes an elastic spring in series with an actuator. SEAs provide more accurate force and impedance control than conventional rigid actuators.
Kuei-You Lin   +2 more
doaj   +1 more source

A fundamental investigation of the interaction and impact of controlled torque ripples on gear mesh dynamics

open access: yesApplied and Computational Mechanics, 2023
Gear trains are plagued by self-excited vibrations that are concentrated at the mesh frequency and its harmonics due to their varying mesh stiffness and deviations from the ideal involute profile.
Dave S.   +3 more
doaj   +1 more source

Real-time estimation of road friction coefficient in different road conditions

open access: yesJournal of Hebei University of Science and Technology, 2020
In order to accurately estimate the road adhesion coefficient under different road conditions and improve the safety and stability of vehicles, a method was proposed to estimate the road adhesion coefficient based on the front and rear wheels speed and ...
Jian WANG   +4 more
doaj   +1 more source

Unified Field Oriented Controlled Drive System for All Types of PMSMs Considering System Nonlinearities

open access: yesIEEE Access, 2022
Permanent Magnet Synchronous Machines (PMSM) have increasing popularity in recent years due to their extensive use in domestic appliances, electric/hybrid vehicles, wind power generation and more electric aircraft technologies.
Mikail Koc
doaj   +1 more source

Study on the Design and Speed Ratio Control Strategy of Continuously Variable Transmission for Electric Vehicle

open access: yesIEEE Access, 2023
In order to develop continuously variable transmission (CVT) suited for electric vehicle (EV), a comparative analysis of the transmission used on EV is introduced in this paper.
Yunfeng Liu   +6 more
doaj   +1 more source

Orientation of optically trapped nonspherical birefringent particles [PDF]

open access: yes, 2006
While the alignment and rotation of microparticles in optical traps have received increased attention recently, one of the earliest examples has been almost totally neglected the alignment of particles relative to the beam axis, as opposed to about the ...
Gibson, Ursula J.   +4 more
core   +3 more sources

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