Results 241 to 250 of about 6,580,241 (312)

Precision Motion Control of a Servomotor-Pump Direct-Drive Electrohydraulic System With a Nonlinear Pump Flow Mapping

IEEE transactions on industrial electronics (1982. Print), 2020
Pump control hydraulic systems can achieve high efficiency by the advantages of no throttling loss and high power-to-volume ratio. However, low tracking accuracy and slow frequency response are main drawbacks for the applications of pump control ...
Bobo Helian, Zheng Chen, B. Yao
semanticscholar   +1 more source

Design of an External-Rotor Direct Drive E-Bike Switched Reluctance Motor

IEEE Transactions on Vehicular Technology, 2020
In this paper, an exterior-rotor direct-drive electric bicycle (E-Bike) switched reluctance motor has been designed, based on the performance parameters and dimensional constraints of a commercially available permanent magnet e-bike motor.
Brock Howey, B. Bilgin, A. Emadi
semanticscholar   +1 more source

Compact Wheel Direct Drive for EVs

IEEE Industry Applications Magazine, 1996
Concerning the application of slotless axial-flux PM motor (AFPMs) in electric vehicle drives, this article deals with the development of a 16-pole AFPM prototype which is used in the propulsion system of an electrical scooter. The proposed AFPM prototype has 45 Nm peak torque and 6.8 kg mass of active materials, and it is coupled directly to the ...
Caricchi, F., CRESCIMBINI, Fabio, Honorati, O., Di Napoli, A. , Santini, E.   +5 more
openaire   +4 more sources

Fault-Tolerant Back-to-Back Converter for Direct-Drive PMSG Wind Turbines Using Direct Torque and Power Control Techniques

IEEE transactions on power electronics, 2019
Fault tolerance in wind turbines is considered crucial to increase their reliability and availability levels. This paper presents a fault-tolerant direct-drive permanent magnet synchronous generator (PMSG) using new direct control techniques, with the ...
I. Jlassi, A. Cardoso
semanticscholar   +1 more source

S-Drive: A smart driving direction system

2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT), 2014
This paper presents a smart driving direction system using the experience of taxi drivers. In this system, GPS-enabled phones are used for collecting the data's from the road environment. Here, the backbone of the proposed system is Weighted Query Results Based on Ranking of Trusted Data algorithm.
U Priyanka, S. G Nishadha
openaire   +1 more source

Robust Switching Control of the Direct-Drive Servo Control Systems Based on Disturbance Observer for Switching Gain Reduction

IEEE Transactions on Circuits and Systems - II - Express Briefs, 2019
Due to the existence of external disturbance which affects the systems’ robustness and stability, a robust sliding mode switching controller with disturbance observer method has been developed for the switching systems of the direct-drive servo control ...
Lei Yu, Jun Huang, S. Fei
semanticscholar   +1 more source

Direct-Drive Robots

1987
This book describes the design concept and discusses the control issues related to the performance of a direct-drive robot, specifically, a direct-drive mechanical arm capable of carrying up to 10 kilograms, at 10 meters per second, accelerating at 5 G (a unit of acceleration equal to the acceleration of gravity).
Haruhiko Asada, Kamal Youcef-Toumi
openaire   +1 more source

Direct-drive magnetic stirrer

Review of Scientific Instruments, 1982
A simple analog circuit is described for a direct-drive stirrer for use with a dye laser. It has advantages of simplicity over a motor-driven stirrer and a digital circuit for direct drive.
Chan-Lon Yang, Tzu-Min Su
openaire   +1 more source

DNN‐based approach for fault detection in a direct drive wind turbine

IET Renewable Power Generation, 2018
Incipient fault detection of wind turbines is beneficial for making maintenance strategy and avoiding catastrophic result in a wind farm. A deep neural network (DNN)-based approach is proposed to deal with the challenging task for a direct drive wind ...
W. Teng, Hao Cheng, Xian Ding, Y. Liu, Zhiyong Ma, Haihua Mu   +5 more
semanticscholar   +1 more source

Main direct drive versus geared drive features

Proceedings of the 2014 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference, 2014
The history of Direct Drives' applications; contemporary Direct Drive applications. Direct Drive versus Geared Drive features comparison using antenna's drive to illustrate the differences.
openaire   +1 more source