Results 131 to 140 of about 48,297 (229)

Position Tracking Control of an Electro-Hydraulic Servo System Based on Nonlinear Disturbance Observers

open access: yesIEEE Access
In order to ensure a precisely controlled electro hydraulic servo system, a sliding mode control algorithm based on nonlinear disturbance observers (NDOB-SMC) is developed in this study.
Qingqing Xu   +3 more
doaj   +1 more source

Civil air transport: A fresh look at power-by-wire and fly-by-light [PDF]

open access: yes
Power-by-wire (PBW) is a key element under subsonic transport flight systems technology with potential savings of over 10 percent in gross take-off-weight and in fuel consumption compared to today's transport aircraft.
Sundberg, Gale R.
core   +2 more sources

The effects of organic farming on the soil physical environment [PDF]

open access: yes, 2006
The aim of this research was to investigate the effects of organic farming practices on the development of soil physical properties, and in particular, soil structure in comparison with conventional agricultural management.
Bird, N R A   +3 more
core  

Research of Electro-Hydraulic-Linear system

open access: yesThe Proceedings of Yamanashi District Conference, 2002
Hidefumi YAMAKATA, Ken ICHIRYUU
openaire   +2 more sources

A study of low-cost reliable actuators for light aircraft. Part A: Chapters 1-8 [PDF]

open access: yes
An analysis involving electro-mechanical, electro-pneumatic, and electro-hydraulic actuators was performed to study which are compatible for use in the primary and secondary flight controls of a single engine light aircraft.
Eijsink, H., Rice, M.
core   +1 more source

Independent Orbiter Assessment (IOA): Analysis of the elevon subsystem [PDF]

open access: yes
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
core   +1 more source

Independent Orbiter Assessment (IOA): Analysis of the ascent thrust vector control actuator subsystem [PDF]

open access: yes
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
core   +1 more source

VHDL-AMS modeling of an automotive vibration isolation seating system

open access: yes, 2005
This paper presents VHDL-AMS model of an automotive vibration isolation seating system with an active electromechanical actuator. Five control algorithms for the actuator are implemented and their efficiencies are investigated by subjecting the system to
Kazmierski, Tom, Wang, Leran
core  

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