Results 61 to 70 of about 3,547,927 (212)

Hydraulic system provides smooth control of large tracking and antenna drive systems at very low tracking rates [PDF]

open access: yes, 1967
Hydraulic system provides smooth control of large tracking and antenna drive systems at very low tracking rates. This configuration modifies a series connection of the drive motors with compensating orifices to offset the effects of drain line loss ...
Parker, G. L.
core   +1 more source

Design and Test of the Electrical System of the All-Electric Subsea Gate Valve Actuator

open access: yesActuators
To bridge the gap in the research on the control and drive methods of the key equipment of the new subsea production control system, all-electric subsea gate valve actuator, and to solve the problems of the valve control and drive system in the ...
Honghai Wang   +4 more
doaj   +1 more source

Sizing criterial for traction drives [PDF]

open access: yes, 1983
A simplified traction drive fatigue analysis which was derived from the Lundberg-Palmgren theory is measured and the effects of rotational speed, multiplicity of contacts, and variation in the available traction coefficient on traction drive system life,
Coy, J. J.   +2 more
core   +1 more source

Ultrasonic scanning system for in-place inspection of brazed-tube joints [PDF]

open access: yes, 1970
System detects defects of .051 cm in diameter and larger. System incorporates scanning head assembly including boot enclosed transducer, slip ring assembly, drive mechanism, and servotransmitter.
Haralson, H. S.   +2 more
core   +2 more sources

Comprehensive Electromagnetic Transient Modeling of Switched Reluctance Motor Drive System

open access: yesIEEE Open Access Journal of Power and Energy
This paper presents a comprehensive electromagnetic transient model for a switched reluctance motor drive system using a circuit-based representation of the machine, power converter, and control system.
Seyedarmin Mirnikjoo   +4 more
doaj   +1 more source

Anti-backlash circuit for hydraulic drive system Patent [PDF]

open access: yes, 1966
Antibacklash circuit for hydraulic drive ...
Acord, J. D.
core   +1 more source

Optimization Design of Drive Mode of Coiled Tubing Injector Head

open access: yesShiyou jixie, 2017
At present, there are some defects in the actual use of coiled tubing injector head drive method. In order to address these defects and improve the performance of the injector head, focusing on the structural characteristics of the injector head and ...
Duan Wenyi   +5 more
doaj  

Modification of the method of hierarchy analysis based on the elimination of the subjectivity of expert assessments using the example of choosing a rational option for a belt conveyor drive system [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета
The expert assessment method underlies most decision-making methods in the technical field of activity, from the search for rational design solutions to issues of industrial safety of hazardous production facilities, which is embodied in the form of ...
Goncharov K.A.
doaj   +1 more source

Hydraulic drive system prevents backlash [PDF]

open access: yes, 1965
Hydraulic drive system uses a second drive motor operating at reduced torque. This exerts a relative braking action which eliminates the normal gear train backlash that is intolerable when driving certain heavy ...
Acord, J. D.
core   +1 more source

Determination of relative immobile and sliding areas between carrying and tractive belts in using of belt conveyor intermediate drives [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2015
Method of determination of relative immobile and sliding areas between carrying and tractive belts in places of mount-ing of belt conveyor intermediate drives made in the form of tractive contours is proposed.
Goncharov K.A.
doaj  

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