Results 101 to 110 of about 158,142 (367)

THE TRACTION ELECTRIC OPERATION AND ITS EXPLOITATION ABILITIES

open access: yesNauka ta progres transportu, 2011
The possibilities of asynchronous traction electric motor drive are considered at the certain coupling mass taking into account the coupling restrictions.
V. M. Bezruchenko, O. A. Khoroshko
doaj  

Baseline tests of the C. H. Waterman Renault 5 electric passenger vehicle [PDF]

open access: yes
The Waterman vehicle, a four passenger Renault 5 GTL, performance test results are presented and characterized the state-of-the-art of electric vehicles. It was powered by sixteen 6-volt traction batteries through a two-step contactor controller actuated
Mcbrien, E. F.   +2 more
core   +1 more source

Improving the Robustness of Visual Teach‐and‐Repeat Navigation Using Drift Error Correction and Event‐Based Vision for Low‐Light Environments

open access: yesAdvanced Robotics Research, EarlyView.
Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
wiley   +1 more source

Smart Traction Control Systems for Electric Vehicles Using Acoustic Road-type Estimation

open access: yes, 2019
The application of traction control systems (TCS) for electric vehicles (EV) has great potential due to easy implementation of torque control with direct-drive motors. However, the control system usually requires road-tire friction and slip-ratio values,
Boyraz, Pinar, Dogan, Daghan
core   +1 more source

Position-sensorless control of permanent-magnet-assisted synchronous reluctance motor [PDF]

open access: yes, 2003
The sensorless control of permanent-magnet-assisted synchronous reluctance (PMASR) motors is investigated, in order to conjugate the advantages of the sensorless control with full exploitation of the allowed operating area, for a given inverter.
Guglielmi, Paolo   +3 more
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Comparison of Electrical Load Performance betweenSS4B and HXD2 Electric Locomotive

open access: yes机车电传动, 2014
HXD2 and SS4B were selected as the representative of AC drive and DC drive electric locomotive respectively. Based on theactual measured data, their electrical load performance were compared in four aspects, i.e. working principle, power factor, harmonic
WANG Shi-shan, WU Ming-li, XUE Jiao
doaj  

Finite bending and pattern evolution of the associated instability for a dielectric elastomer slab [PDF]

open access: yes, 2018
We investigate the finite bending and the associated bending instability of an incompressible dielectric slab subject to a combination of applied voltage and axial compression, using nonlinear electro-elasticity theory and its incremental version.
Chen, Weiqiu   +3 more
core   +2 more sources

Power Loss Modelling and Performance Comparison of Three-Level GaN-Based Inverters Used for Electric Traction

open access: yesEnergies
The main aim of this work is to present a step-by-step procedure to model and analyze the power loss distribution of three-level Gallium Nitride (GaN) inverters.
Arjun Sujeeth   +7 more
semanticscholar   +1 more source

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