Abstract
The dynamic characteristics of the hydraulic system made of the four cylinders, all of which were connected tandem and able to move on a linear guide rail, was investigated in this research.
In this system, four directional control valves controlled the ON-OFF motions of the cylinders of the same number respectively and separately. A valve was connected to a cylinder by a pair of flexible pipes. One micro-computer drove all the valves by its ON-OFF electric signals. One end of the system was fixed to the rail and the other was free. Displacements of the free end were the outputs of the system. The strokes of the cylinders were chosen as 1cm, 2 cm, 4 cm and 8 cm from the free end, for the free end of the system could stop anywhere in the 16 positions from 0 cm to 15 cm at 1 cm intervals depending on the output signals from the micro-computer.
This paper shows some of the results obtained from the above research.
