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A kind of closed hydraulic system controlled by servo motor and constant pump is introduced for controlling the experimental press. By using AMESim and Adams, the hydraulic system model and motion model of the beam of the experimental press are established and co-simulation is carried out. PID controller is used in this hydraulic system to improve the control performance. Simulation results indicate...
The hydraulic drive legged robot with high performance is introduced in this paper. When the robotic foot contacts the ground, the collision and impact can easily take place. Therefore, the robotic leg joint should possess certain compliance. In order to enhance the compliance of robotic leg joint, the paper researches the position-based impedance control method. Besides, the analysis for the composition...
Accumulator is an important component of the fast forging hydraulic press system, and it has a great impact on the return precision and energy consumption of fast forging hydraulic machine, so do simulation and experiment study on the fast forging hydraulic system has a certain need for performance analysis. In this paper, we found the mathematical model of fast forging system and do simulation study,...
The secondary regulation technology is a new energy saving hydraulic transmission technology, which can make several loads work parallel in a constant network system and very suitable for the drive axle test system. Secondary regulation load test of drive axle is a three axis loading system. The basic theory of the test system is analyzed, and the mathematic model of the secondary regulation is found...
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