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针对6 000 m中国大洋多金属结核采矿系统,提出了一种动力吸振器与蓄能器复合作用的升沉补偿系统。分析说明了系统的组成及工作原理,建立了系统的数学模型;应用M atlab编程计算得到了动力吸振系统中吸振器的质量、弹簧刚度和阻尼系数;对系统进行了控制效果仿真研究。研究结果表明,在整个四级海况下,动力吸振器与蓄能器复合作用的升沉补偿系统能得到很好的补偿效果。
In view of the 6 000 m ocean-polymetallic nodule mining system in China, a heave compensation system combining dynamic vibration absorber and accumulator was proposed. The composition and working principle of the system are analyzed and the mathematical model of the system is established. The mass, spring stiffness and damping coefficient of the vibration absorber in the dynamic vibration absorption system are calculated and calculated by Mlablab. Simulation results of the control system are also given. The research results show that the heave compensation system with the combination of dynamic vibration absorber and accumulator can get a good compensation effect in the whole four-stage sea state.