船舶电站双机并联系统的新型控制器研究

基于离散滑模控制理论设计了船舶电站双机并联系统的稳定和有功分配控制器。分析了变速趋近律的运动机理并给出了一种改进算法，通过引入衰减系数以加快趋近速度。只要不确定因素有界，即可保证闭环系统的鲁棒稳定性。通过调整变速趋近律自身参数，可以避免抖振并使系统具有良好的动态品质。仿真结果表明了本文方法的有效性。

Study of New Controller in Two-Generator Parallel Running System

The discrete time sliding mode controller design for stability and active power distribution of a two-generator parallel running system is discussed in this paper. The motion mechanism of discrete variable rate reaching law is analyzed and a revised algorithm, which has faster reaching speed by introducing a attenuation coefficient, is proposed. It is shown that the variable rate reaching law can avoid chattering and exhibit good dynamic performance by tuning parameters. Also, robust stability of the closed-loop system can be ensured if the uncertainties are bounded. Simulation results verify the effectiveness of the proposed method.