3313 High performance motion control systems for Motion Simulator via fusion of multi-control systems

2012 ◽  
Vol 2012.21 (0) ◽  
pp. 277-280
Author(s):  
Keisuke Shimono ◽  
Yasutaka Tagawa
Keyword(s):  
Control Systems ◽  
Motion Control ◽  
High Performance ◽  
Motion Simulator

Real-time issues of transputers in high-performance motion control systems

1993 ◽  
Vol 29 (2) ◽  
pp. 306-312 ◽  
Author(s):  
R.G. Harley ◽  
A.W.M. Hemme ◽  
D.C. Levy ◽  
M.R. Webster
Keyword(s):  
Control Systems ◽  
Real Time ◽  
Motion Control ◽  
High Performance

Stability of Hydraulic Motion Control Systems

1997 ◽  
Vol 119 (4) ◽  
pp. 605-613 ◽  
Author(s):  
D. L. Margolis ◽  
C. Hennings
Keyword(s):  
Fluid Flow ◽  
Control Systems ◽  
Motion Control ◽  
High Frequency ◽  
High Performance ◽  
Electrical Signal ◽  
Mechanical Instability ◽  
Hydraulic Power ◽  
Servo Systems ◽  
Spool Valve

High performance hydraulic motion control systems typically consist of a two-stage spool valve which controls flow into an actuator. Feedback of load motion allows an electrical signal into the valve to control large amounts of hydraulic power. These servo-systems are well known to exhibit an instability where they “sing” or “chirp” at high frequency. This instability seems to be configuration-dependent. Here, two submodels are proposed that expose a fluid flow induced instability, and a mechanical instability. The result is parameter groupings which expose these instabilities in a fundamental way.

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