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A motion simulator of deep-sea mining ship is designed for the 6000m deep-sea poly-metallic mining system, the control methods and the performance of the simulator are researched and tested. PID control is chosen. To determine PID control parameters, mathematical model of valve controlled cylinder system is established and validated by simulation tests. Based on the mathematical model, PID control...
When a large ship sails on the sea, it must meet the random wave disturbances and produce complicated movement form. It is very important to consider the random wave disturbance force and moment in the ship manoeuvring simulation and ship control system design. So it is really important to research on wave signal and figure out the disturbance force and moment of ocean wave acting on ship. The wave...
This paper is concerned with the design and simulation of a pulse width modulation (PWM) rectifier for three-phase Permanent Magnetic motor drive. Based on the mathematical model of PWM rectifier, the dual-close-loop engineering design with decoupled feed-forward control is applied in the 3-phase voltage source rectifier. The objective to be reached is to realize unity power factor at the input ac...
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