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Mathematical investigations intended to demonstrate whether the damping is sufficient for a stable state in the present system. There are also theories in the form of stability criteria .

States the reduction of the tension on an elastomer (seal) at a constant deformation and constant temperature and is therefore an important measure of the residual elasticity of a seal under pressure.

Jamming or blocking of the piston caused by a build-up of particles.

Surface foam

Electromagnet operated with DC. The DC solenoid only reaches its nominal current some time after switching on. For this reason the force initially increases more slowly, and it therefore switches more

sealing compatibility index DVI

If a flow is created between two stationary areas due to a pressure difference, (theoretically) a symmetrical velocity profile will form ( Figure S 101 a ), which is caused by adhesion of the fluid to

Hydraulic pump with a to the pressure, the flow rate or the state variable of an actuator . Servo pump Also known as variable displacement pump. The reason for using a variable pump is to improve the

Controllers where the relationship between input variables (system variables) and output variables ( correcting variables ) is a linear one. Linear regulators also include both single loop controllers

Annular gear pump/motor