axis series meaning in English

轴系

The control algorithms of both traditional and intelligent main - engine speed regulator are emphatically discussed in the thesis . the author established an simplified integrated mathematical model for marine main diesel engine , screw propeller and axis series with the mother type of large low speed diesel man b & w . the digital simulations for pi speed regulator are completed
本文讨论了主机速度控制的两种实现方法；论文以实船应用的manb & w大型低速柴油机为母型，建立了柴油主机、螺旋桨、轴系一体化的简化数学模型，并对常规柴油主机pi调速系统进行了数字仿真。