Results 91 to 100 of about 5,073 (208)

Magnetic attachment mechanism [PDF]

, 1990
A magnetic attachment mechanism adapted for interfacing with the manipulator arm (11) of a remote manipulator system and comprising a pair of permanent magnets (31,32) of rare earth material which are arranged in a stator-rotor relationship.
Harwell, William D., Wu, Mitchell B.
core   +1 more source

Optimal Design of a Coaxial Magnetic Gear Pole Combination Considering an Overhang

Applied Sciences
This paper presents a comprehensive design approach for optimizing the pole configuration of a coaxial magnetic gear (CMG) structure with an overhang to enhance torque characteristics.
Tae-Kyu Ji, Soo-Whang Baek
doaj   +1 more source

Review of the transmissions of the Soviet helicopters [PDF]

A review of the following aspects of Soviet helicopter transmissions is presented: transmitted power, weight, reduction ratio, RPM, design configuration, comparison of different type of manufacturing methods, and a description of the materials and ...
Chaiko, Lev I.
core   +1 more source

Cost-effectiveness comparison of coaxial magnetic gears with different magnet materials [PDF]

, 2013
This paper presents a comparative study between the non-rare-earth permanent magnet (PM) and rare-earth PM based coaxial magnetic gears. Firstly, by using finite element analysis, the electromagnetic performances of four coaxial magnetic gears which are ...
Chau, KT, Chen, M, Li, WL, Liu, C
core  

Analysis and Numerical Calculation for Several Basic Characteristics of Coaxial Magnetic Gears Applied in Robots

Jixie chuandong
Due to its natural characteristics, coaxial magnetic gears are still difficult to be directly applied to industrial robots. Some key basic characteristics such as torque density, transmission ratio, null-space, backlash and torsional stiffness, and ...
Yang Hongjing, Hua Hua, Yang Xiangping, Chen Jiaxin   +3 more
doaj  

Optimal Design of a Coaxial Magnetic Gear Considering Thermal Demagnetization and Structural Robustness for Torque Density Enhancement

Actuators
This study presents an optimal design combined with comprehensive multiphysics validation to enhance the torque density of a coaxial magnetic gear (CMG) incorporating an overhang structure.
Tae-Kyu Ji, Soo-Whang Baek
doaj   +1 more source

An Integrated Gear Drive Unit with Flux-Focusing Magnetic Gear

Energies
This paper presents a novel integrated gear drive unit (IGDU), which integrates a high torque density flux-focusing magnetic gear with a V-shaped interior permanent magnet (IPM) motor into a compact structure.
Aran Shoaei, Farnam Farshbaf-Roomi, Qingsong Wang, Kamal Al-Haddad   +3 more
doaj   +1 more source

Development of a high power microwave thruster, with a magnetic nozzle, for space applications [PDF]

This paper describes the current development of a high-power microwave electrothermal thruster (MET) concept at the NASA Lewis Research Center. Such a thruster would be employed in space for applications such as orbit raining, orbit maneuvering, station ...
Chapman, Randall A., Power, John L.
core   +1 more source

A Hybrid Strategy for the Design and Optimization of Coaxial Magnetic Gears

Machines
Magnetic gear transmissions are promising alternatives to mechanical ones due to their contactless power transfer, reduced acoustic noise and vibration, inherent overload protection, and improved reliability.
Xinyan Zhang, Renato Galluzzi, Nicola Amati   +2 more
doaj   +1 more source

Design study of TDRS antenna gimbal system for LANDSAT-D [PDF]

The conceptual design studies of a two axis antenna drive assembly for the TDRSS link communications subsystem for LANDSAT D are presented. The recommended antenna drive assembly is a simple and reliable design substantially similar to the antenna and ...
Wu, J.
core   +1 more source