Results 101 to 110 of about 11,561 (230)

Redundant actuator development program [PDF]

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., Fain, D. M., Svensson, C. I.   +2 more
core   +1 more source

Experimental evaluation of the parameter-based closed-loop transfer function identification for electro-hydraulic servo systems

Advances in Mechanical Engineering, 2016
Closed-loop systems of an electro-hydraulic servo system including position, acceleration, and force closed-loop systems and their closed-loop transfer functions based on parameter model are adaptive identified using a recursive extended least-squares ...
Guang-Da Liu, Ge Li, Gang Shen
doaj   +1 more source

Synergistic Integration of LQR Control and PSO Optimization for Advanced Active Suspension Systems Utilizing Electro-Hydraulic Actuators and Electro-Servo Valves

Emitter: International Journal of Engineering Technology
This paper investigates the design and optimization of Linear Quadratic Regulator (LQR) controllers for vehicle active suspension systems, incorporating an electro-hydraulic actuator with an electro-servo valve.
Trong Tu
doaj   +1 more source

Rotor systems research aircraft predesign study. Volume 4: Preliminary draft detail specification [PDF]

The RSRA requirements are presented in a detail specification format. Coverage of the requirements includes the following headings: (1) aircraft characteristics, (2) general features of design and construction, (3) aerodynamics, (4) structural design ...
Linden, A. W., Miller, A. N.
core   +1 more source

Analysis of the jet pipe electro-hydraulic servo valve with finite element methods

MATEC Web of Conferences, 2018
The dynamic characteristics analysis about the jet pipe electro-hydraulic servo valve based on experience and mathematical derivation was difficult and not so precise.
Kaiyu Zhao, Qingxun Wu, Lijian Zhang, Zhaohui Yuan, jiaqiang Yang   +4 more
doaj   +1 more source

Preliminary results of the “four-dimensional six degrees-of-freedom” gait simulation system improvement

Foot & Ankle Orthopaedics, 2018
Category: Basic Sciences/Biologics Introduction/Purpose: Using computer-controlled electro-hydraulic servo technology, we studied the improved “four-dimensional six degrees-of-freedom” gait simulation system based on motor and hydraulic hybrid drive ...
Xu Wang MD, Xin Ma MD
doaj   +1 more source

A flight investigation of oscillating air forces: Equipment and technique [PDF]

The equipment and techniques are described which are to be used in a project aimed at measuring oscillating air forces and dynamic aeroelastic response of a swept wing airplane at high subsonic speeds.
Reed, W. H., III
core   +1 more source

Automatic controls and regulators: A compilation [PDF]

Devices, methods, and techniques for control and regulation of the mechanical/physical functions involved in implementing the space program are discussed.

core   +1 more source

Dual-valve parallel prediction control for an electro-hydraulic servo system. [PDF]

Sci Prog, 2020
Su SJ, Zhu YY, Li CJ, Tang WX, Wang HR.
europepmc   +1 more source

Redundant actuator development study [PDF]

Current and past supersonic transport configurations are reviewed to assess redundancy requirements for future airplane control systems. Secondary actuators used in stability augmentation systems will probably be the most critical actuator application ...
Ryder, D. R.
core   +1 more source