Mathematical modeling of the two-stage chaotic colpitis oscillator

2018 ◽  
Author(s):  
Andriy O. Semenov ◽  
Anton Yu. Savytskyi ◽  
Oleg V. Bisikalo ◽  
Pavlo I. Kulakov
Keyword(s):  
Mathematical Modeling ◽  
Two Stage

Mathematical Modeling of a Two Spool Flow Control Servovalve Using a Pressure Control Pilot1

2002 ◽  
Vol 124 (3) ◽  
pp. 420-427 ◽  
Author(s):  
Randall T. Anderson ◽  
Perry Y. Li
Keyword(s):  
Mathematical Modeling ◽  
Flow Control ◽  
Dynamic Model ◽  
Nonlinear Dynamic ◽  
Pressure Control ◽  
Dynamic Effects ◽  
Nonlinear Dynamic Model ◽  
Two Stage ◽  
Matlab Simulink ◽  
Proposed Model

A nonlinear dynamic model for an unconventional, commercially available electrohydraulic flow control servovalve is presented. The two stage valve differs from the conventional servovalve design in that: it uses a pressure control pilot stage; the boost stage uses two spools, instead of a single spool, to meter flow into and out of the valve separately; and it does not require a feedback wire and ball. Consequently, the valve is significantly less expensive. The proposed model captures the nonlinear and dynamic effects. The model has been coded in Matlab/Simulink and experimentally validated.

Mathematical Modeling of a Two Spool Flow Control Servovalve Using a Pressure Control Pilot

2000 ◽  
Author(s):  
Randy T. Anderson ◽  
Perry Y. Li
Keyword(s):  
Mathematical Modeling ◽  
Flow Control ◽  
Dynamic Model ◽  
Nonlinear Dynamic ◽  
Pressure Control ◽  
Dynamic Effects ◽  
Nonlinear Dynamic Model ◽  
Two Stage ◽  
Proposed Model

Abstract A nonlinear dynamic model for an unconventional, commercially available electrohydraulic flow control servovalve is presented. The valve is a two-stage valve and differs from the conventional servovalve in that it does not require a feedback wire and ball, and the boost stage uses two spools, instead of a single spool, to meter flow into and out of the valve separately. Consequently, the valve is significantly less expensive. The proposed model captures the nonlinear and dynamic effects not present in previous models. The model has been coded in Simulink and experimentally validated.

Mathematical Modeling and Simulation of a Two-stage Reciprocating Air Compressor Considering Heat Transfer Effect

2021 ◽  
Author(s):  
Sung-Sub Kim ◽  
Myeong-Joon Kim ◽  
Joon-Hyun Lee ◽  
Jin-Seok Lee ◽  
Hyun-Jik Cho ◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Heat Transfer ◽  
Modeling And Simulation ◽  
Transfer Effect ◽  
Two Stage ◽  
Air Compressor
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