Hydraulic transmission has a wide range of applications and attains rapid development. As the traditional methods of mathematic modeling in the design of the electro-hydraulic control system are very complex, making the design and debugging cycle of the hydraulic system longer. Thus in this paper, using the AMESim which is a senior modeling software facing engineering task design, does the modeling and simulation calculations for one kind of digital hydraulic cylinder. We get its simulation in the application of the actual working condition. At the same time, we optimize the simulation parameters and analyze the simulation results. The simulation results and analysis can provide certain reference value for the design, debugging and subsequent improvement of the digital hydraulic cylinder. According to the simulation results, it can meet different operational requirements by making appropriate compensation and adjustment in practical applications.
Through self-propagation high–temperature synthesis (SHS), SrTiO3 in which Sr2+ had been included was solidified. The actors permitted to the solid dendification were analyzed by experimentation. Optimal process parameters were obtained for preparing SrTiO3 and composites, including 56% of density of preform, 10 MPa of pre-pressure P1, 4 s of pressing time t1; 300 MPa of high pressure P2 and 8 s of dwell time t2 at high pressure period.
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