thecontrolmethodisresearchedinreducingtheimpactsoffrictionofthewaterhydrauliccylinderonthemanipulatorcontrol.PWMcontrolsolenoidvalvesareusedtoreducethenegativeeffectsofthenon-linearsignalingtransferofwaterhydraulicsystem.Theadverseeffectsofthefrictioncharacteristicsuncertaintyaresuppressedbyresearchingthecompensationofacertainkind...
Patara and Laodikeia a/L: Kessener 2017, 364–371; Smyrna: Lewis 1999, Figure 3, on a hole tapered to a 1 cm opening, presumably related to an air release valve; Hippos Susita: Tsuk et al. 2002, 208. Narrow spots in the conduit may cause additional drag forces at such points. ...