scholarly journals RESPONSE CONTROL PERFORMANCE OF SEMI-ACTIVE ISOLATION SYSTEM USING THE GS CONTROLE FOR A TWO-DEGREE-OF-FREEDOM STRUCTURE WITH MAGNETO-RHEOLOGICAL FLUID DAMPER

2006 ◽  
Vol 71 (609) ◽  
pp. 57-64 ◽  
Author(s):  
Namihiko INOUE ◽  
Morimasa WATAKABE ◽  
Hidekazu NISHIMURA ◽  
Hiroaki RYUJIN ◽  
Jun NAKASONE ◽  
...  
Keyword(s):  
Degree Of Freedom ◽  
Control Performance ◽  
Response Control ◽  
Isolation System ◽  
Active Isolation ◽  
Fluid Damper ◽  
Magneto Rheological ◽  
Two Degree Of Freedom

Study on Design Method for Magneto-Rheological Fluid Damper Based on Squeeze Mode and Experimental Tests

2011 ◽  
Vol 199-200 ◽  
pp. 97-101 ◽  
Author(s):  
Chang Rong Liao ◽  
Li Juan Fu ◽  
Ying Yang
Keyword(s):  
Analytical Method ◽  
Vibration Isolation ◽  
Squeeze Flow ◽  
Damping Force ◽  
Mr Fluid ◽  
Isolation System ◽  
Technical Requirements ◽  
Fluid Damper ◽  
Magneto Rheological ◽  
Mr Fluid Damper

A Magneto-rheological(MR) fluid damper based on squeeze model is put forward. The squeeze flow differential equation is obtained. Navier slip condition is considered on two boundary surfaces and compatible condition is established. The radial velocity profile and the radial pressure distributions are derived respectively. The mathematical expression of damping force is devloped. In order to verify rationality of analytical method, MR fluid damper based on squeeze mode is designed and fabricated according to technical requirements of engine vibration isolation system. The experimental damping forces from MTS870 Electro-hydraulic Servo with sine wave excitation show that analytical method proposed in this paper is feasible and has the reference value to design MR fluid damper based on squeeze mode.

A Model-Based Control Design for a Planar Loading Simulator

2013 ◽  
Vol 419 ◽  
pp. 642-648
Author(s):  
Rui Fan ◽  
Hao Ran Guo ◽  
Dan Wang
Keyword(s):  
Control Design ◽  
Degree Of Freedom ◽  
Kinematics And Dynamics ◽  
Control Performance ◽  
Model Based Control ◽  
Pi Method ◽  
Model Based ◽  
Two Degree Of Freedom

A two degree-of-freedom (DOF) novel planar loading simulator, which is capable of planar loading, is firstly designed and then analyzed in kinematics and dynamics. A model-based controller with PI method is presented and applied to the planar loading simulator. The control performance is fully tested in the experiments. The results illustrate that the proposed controller can be well implemented to the planar loading. Several problems related to the multidimensional loading are also discussed.

Self-Tuneable Velocity Feedback for Active Isolation of Random Vibrations in Subcritical Two Degree Of Freedom Systems

2015 ◽  
Vol 101 (5) ◽  
pp. 950-963 ◽  
Author(s):  
N. Alujević ◽  
H. Wolf ◽  
B. Depraetere ◽  
G. Zhao ◽  
Z. Domazet ◽  
...  
Keyword(s):  
Degree Of Freedom ◽  
Random Vibrations ◽  
Velocity Feedback ◽  
Active Isolation ◽  
Two Degree Of Freedom
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