Results 141 to 150 of about 718,973 (279)

New methods for the treatment of renal calculi : the St. Luke’s Hospital experience [PDF]

open access: yes, 1989
The last decade has seen extraordinary advances in the management of urinary tract calculi. With the introduction of minimally invasive techniques, like percutaneus nephrolithotomy (PCN), and non-invasive ones, like extra-corporeal shock wave lithotripsy
Cutajar, L.
core  

Анализ задач оптимизации систем автоматического регулирования паровой турбины [PDF]

open access: yes, 2007
Рассмотрены вопросы оптимизации электрогидравлических систем регулирования паровой турбины К-1000-60/1500. Приведены модели системы регулирования частоты вращения.
Климчук, В. А.   +1 more
core  

Redundant actuator development program [PDF]

open access: yes
Two concepts of redundant secondary actuator mechanization, applicable to future advanced flight control systems, were studied to quantitatively assess their design applicability to an AST.
Chenoweth, C. C.   +2 more
core   +1 more source

Reinforcement Learning-Based Position Tracking Control for Proportional Directional Control Valve-Based Electro-Hydraulic System

open access: yesIEEE Access
This paper presents a reinforcement learning-based discrete-time control strategy for nonlinear electro-hydraulic actuator systems equipped with a proportional directional control valve.
Raja Rout, Ashok Kumar Kumawat
doaj   +1 more source

Test 2112: John Deere 9520RT [PDF]

open access: yes, 2015
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications ...
Nebraska Tractor Test Lab,
core   +1 more source

The design of a numerically controlled drilling system using fluidic elements 1966/7 [PDF]

open access: yes, 1967
This report outlines the aims of the project and procedures used to bring it to a successful conclusion. It also summarises the results of an investigation into the parameters which govern the specification of a numerically controlled point to ...
Boshier, G. C., Powell, E. A.
core  

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