Results 81 to 90 of about 5,164 (216)
Neural Network Identification and Controller on Electro-hydraulic Servo System
Journal of Harbin University of Science and Technology, 2017 The neural networks system identification was used in nonlinear model on valve-control-cylinder electro-hydraulic position servo system. The three layers BP neural network weights and threshold were optimized using LM genetic algorithm，the relationship ...
HAN Gui-hua, WANG Peng-fei, ZHANG Ci-jun
doaj +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
Optimization of PID parameters for hydraulic positioning system utilizing variable weight Grey-Taguchi and particle swarm optimization [PDF]
, 2014 Controller that uses PID parameters requires a good tuning method in order to improve the control system performance. Especially on hydraulic positioning system that is highly nonlinear and difficult to be controlled whereby PID parameters needs to be ...
Case, David H. +5 more
core +3 more sources
Mechanics & IndustryElectro-hydraulic position servo system of valve-controlled symmetrical cylinder (EPSSVCS) is a very important and widely used electro-hydraulic servo system, the performance of which is often affected by friction nonlinearity and external random ...
Chen Hongsheng
doaj +1 more source
Analysis of Performance Effect Factors of Three-Stage Electro-Hydraulic Servo Valve
Journal of Computers, 2009 A new modeling software, AMEsim is put forward in this paper to develop a nonlinear model for a higher performance three stage electro-hydraulic servo valve. The simulation results and experimental results on existing valve are consistent, which proves that the developed model is right.
Xiaochu Liu +4 more
openaire +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
Effect of Slide Valve Gap Surface Roughness on Particle Transport Properties
AerospaceFuel electro-hydraulic servo valves are core components in the fuel control system of aero-engines, and their performance directly affects thrust regulation and power output precision.
Jin Zhang +6 more
doaj +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
Design and simulation of hydraulic shaking table [PDF]
, 2006 Recent industrial progress and computational technology made it possible to construct more complex structures. Vibration of these structures due to seismic strength must be measured and proved to prevent them from damage when they are subjected to ...
Ngadimon, Khairulnizam
core
MachinesAiming to solve the difficult problem of the miniaturization of servo valves, this paper designs a subminiature two-dimensional (2D) electro-hydraulic servo valve, which realizes the integration of the pilot stage and the power stage and significantly ...
Lei Pan +4 more
doaj +1 more source