. I., Effect of CoulombFriction on Stability of Hydraulic Servomechanism,Proc. FLUCOME’88, 1988, 310-314.[4] Hayashi, S. and Ohi, K., Global Stability of aPoppet. Hayashi, S., Stability and Nonlinear Behavior ofPoppet Valve Circuit, Proc. FLUCOME’97, 1997, 1,13-20.[7] Hayashi, S. and Mochizuki, T., Chaotic OscillationsOccurring...