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In order to improve the mechanical behavior of mast link frame system of rotary drilling rig, studying on the impact of installation angle of mast link frame system is necessary. Based on Newton-Euler method, the kinematic and dynamic constraint equations of mast link frame system were derived. The dynamic simulation model based on MATLAB was built in Simulink, and a series of simulation were run...
High power using ratio in the process of pile driving of hydraulic static pile divers with quasi-constant-power is acquired. For being convenient for improving on the machine and quickening the course of pile driving , studying on the impact of the piston diameter of pile driving cylinder, the initial displacement of piston and the piston diameter of lift cylinder on the pile driving depth and force...
At the process control system, the measure signals from sensors are often applied into control system, protection system and state monitoring system. The shunt active power filter itself is a harmonic source if the current instruction signal is not correct and it can aggravate the pollution of power network. According to this case, first the paper introduces the development and application of advanced...
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